669 FNUS55 KCYS 101029 FWFCYS Fire Weather Planning Forecast for Southeast Wyoming/Western Nebraska National Weather Service Cheyenne WY 429 AM MDT Tue Aug 10 2021 RED FLAG WARNING IN EFFECT FROM LATE TUESDAY MORNING THROUGH EARLY TUESDAY EVENING FOR FIRE WEATHER ZONES 301...302...304...305...307... 308 AND 310... .DISCUSSION... A Red Flag Warning is in effect for the majority of the Fuel Ready Wyoming zones today. Deep mixing throughout the low and mid levels is expected this afternoon which will tap into wind speeds in the 25-35 knot range. Wind speeds aloft are expected to decrease by Wednesday and Thursday as a ridge of high pressure develops over the central Rockies. WYZ301-102245- Niobrara/Lower Elevations of Converse/Thunder Basin National Grassland- 429 AM MDT Tue Aug 10 2021 ...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MDT THIS EVENING... .TODAY... Sky/weather.........Sunny. Areas of smoke. Max temperature.....86-91. 24 hr trend......6 degrees warmer. Min humidity........5-11 percent. 24 hr trend......14 percent drier. 20-foot winds.......Southwest around 5 mph and gusty increasing to west around 15 mph with higher gusts in the afternoon. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 10 mph increasing to west around 20 mph in the afternoon. Mixing height.......2700-3600 ft AGL increasing to 9900-11300 ft AGL in the afternoon. Smoke dispersal.....Poor (23400 knot-ft) increasing to excellent (179900 knot-ft) in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth. .TONIGHT... Sky/weather.........Partly cloudy. Areas of smoke. Min temperature.....53-58. 24 hr trend......1 degree warmer. Max humidity........38-44 percent. 24 hr trend......24 percent drier. Humidity recovery...Poor. 20-foot winds.......Northwest 5 to 10 mph. Gusts up to 25 mph in the evening. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 20 mph decreasing to around 10 mph after midnight. Mixing height.......2000-4000 ft AGL decreasing to 800-1700 ft AGL after midnight. Smoke dispersal.....Poor to fair (12400-44300 knot-ft). Haines Index........4 or low potential for large plume dominated fire growth. .WEDNESDAY... Sky/weather.........Partly cloudy until 0900, then mostly sunny. Areas of smoke. Max temperature.....89-94. 24 hr trend......1 degree warmer. Min humidity........9-15 percent. 24 hr trend......4 percent wetter. 20-foot winds.......West 5 to 10 mph and gusty. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West 10 to 15 mph. Mixing height.......2300-3800 ft AGL increasing to 10000-10800 ft AGL in the afternoon. Smoke dispersal.....Poor (23300 knot-ft) increasing to very good (111100 knot-ft) in the afternoon. Haines Index........3 or very low potential for large plume dominated fire growth. .FORECAST DAYS 3 THROUGH 7... .THURSDAY...Clear. Areas of smoke in the evening. Lows in the upper 50s. Highs in the mid 80s. North winds around 10 mph. .FRIDAY...Mostly clear. Slight chance of rain and thunderstorms. Lows in the mid 50s. Highs in the mid 80s. East winds around 10 mph. .SATURDAY...Mostly clear. Slight chance of rain and thunderstorms. Lows in the upper 50s. Highs around 90. Southeast winds around 10 mph. .SUNDAY...Mostly clear. Lows in the upper 50s. Highs in the lower 90s. .MONDAY...Mostly clear. Slight chance of rain and thunderstorms. Lows in the upper 50s. Highs in the lower 90s. $$ WYZ302-102245- North Laramie Range/Medicine Bow NF- 429 AM MDT Tue Aug 10 2021 ...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MDT THIS EVENING... .TODAY... Sky/weather.........Sunny. Areas of smoke. Max temperature.....76-84. 24 hr trend......1 degree cooler. Min humidity........10 percent. 24 hr trend......5 percent drier. 20-foot winds.......West around 10 mph increasing to around 20 mph in the afternoon. Gusts up to 30 mph. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West around 15 mph increasing to around 25 mph in the afternoon. Mixing height.......2300-3500 ft AGL increasing to 10300-12000 ft AGL in the afternoon. Smoke dispersal.....Poor (32200 knot-ft) increasing to excellent (218800 knot-ft) in the afternoon. Haines Index........5 or moderate potential for large plume dominated fire growth. .TONIGHT... Sky/weather.........Partly cloudy. Areas of smoke. Min temperature.....51-57. 24 hr trend......6 degrees warmer. Max humidity........24-30 percent. 24 hr trend......32 percent drier. Humidity recovery...Poor. 20-foot winds.......West 5 to 10 mph. Gusts up to 30 mph decreasing to 15 mph after midnight. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West around 20 mph becoming northwest around 10 mph after midnight. Mixing height.......2200-4200 ft AGL decreasing to 800-1900 ft AGL after midnight. Smoke dispersal.....Poor to fair (9800-52600 knot-ft). Haines Index........5 or moderate potential for large plume dominated fire growth. .WEDNESDAY... Sky/weather.........Partly cloudy until 1200, then mostly sunny. Areas of smoke. Max temperature.....78-86. 24 hr trend......3 degrees warmer. Min humidity........9-15 percent. 24 hr trend......4 percent wetter. 20-foot winds.......West 5 to 10 mph and gusty. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West 5 to 10 mph. Mixing height.......2800-4400 ft AGL increasing to 9600-10600 ft AGL in the afternoon. Smoke dispersal.....Poor (20600 knot-ft) increasing to very good (106400 knot-ft) in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth. .FORECAST DAYS 3 THROUGH 7... .THURSDAY...Mostly clear. Areas of smoke in the evening. Lows in the upper 50s. Highs in the upper 70s. North winds around 10 mph. .FRIDAY...Mostly clear. Slight chance of rain and thunderstorms. Lows in the mid 50s. Highs in the upper 70s. East winds around 10 mph. .SATURDAY...Mostly clear. Slight chance of rain and thunderstorms. Lows in the mid 50s. Highs in the lower 80s. Winds generally less than 10 mph. .SUNDAY...Mostly clear. Slight chance of rain and thunderstorms. Lows in the mid 50s. Highs in the lower 80s. .MONDAY...Mostly clear. Slight chance of rain and thunderstorms. Lows in the mid 50s. Highs in the lower 80s. $$ WYZ303-102245- Central and Northern Carbon/Ferris-Seminoe-Shirley Mountains- 429 AM MDT Tue Aug 10 2021 .TODAY... Sky/weather.........Sunny. Areas of smoke. Max temperature.....79-84. 24 hr trend......2 degrees cooler. Min humidity........3-9 percent. 24 hr trend......4 percent drier. 20-foot winds.......Southwest around 10 mph with higher gusts increasing to west around 20 mph with gusts to around 35 mph in the afternoon. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West around 15 mph increasing to around 25 mph in the afternoon. Mixing height.......2000-3000 ft AGL increasing to 11400-12800 ft AGL in the afternoon. Smoke dispersal.....Poor (30000 knot-ft) increasing to excellent (289300 knot-ft) in the afternoon. Haines Index........5 or moderate potential for large plume dominated fire growth. .TONIGHT... Sky/weather.........Mostly clear. Areas of smoke. Min temperature.....50-55. 24 hr trend......2 degrees warmer. Max humidity........26-32 percent. 24 hr trend......23 percent drier. Humidity recovery...Poor. 20-foot winds.......West 5 to 10 mph. Gusts up to 30 mph decreasing to 15 mph after midnight. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West around 20 mph decreasing to around 10 mph after midnight. Mixing height.......4700-6700 ft AGL decreasing to 700-1600 ft AGL after midnight. Smoke dispersal.....Very good (103900 knot-ft) decreasing to poor (9900 knot-ft) after midnight. Haines Index........6 or high potential for large plume dominated fire growth. .WEDNESDAY... Sky/weather.........Mostly sunny. Areas of smoke. Max temperature.....81-86. 24 hr trend......1 degree warmer. Min humidity........6-12 percent. 24 hr trend......3 percent wetter. 20-foot winds.......West 10 to 15 mph and gusty. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West 10 to 15 mph. Mixing height.......1500-3400 ft AGL increasing to 9600-10900 ft AGL in the afternoon. Smoke dispersal.....Poor (20200 knot-ft) increasing to very good (122200 knot-ft) in the afternoon. Haines Index........5 or moderate potential for large plume dominated fire growth. .FORECAST DAYS 3 THROUGH 7... .THURSDAY...Mostly clear. Areas of smoke in the evening. Lows in the mid 50s. Highs in the mid 80s. Northeast winds around 10 mph. .FRIDAY...Mostly clear. Slight chance of rain and thunderstorms. Lows in the mid 50s. Highs in the lower 80s. East winds around 10 mph. .SATURDAY...Mostly clear. Slight chance of rain and thunderstorms. Lows in the mid 50s. Highs in the mid 80s. Winds generally less than 10 mph. .SUNDAY...Mostly clear. Slight chance of rain and thunderstorms. Lows in the mid 50s. Highs in the mid 80s. .MONDAY...Partly cloudy. Chance of rain and slight chance of thunderstorms. Lows in the mid 50s. Highs in the lower 80s. $$ WYZ304-102245- Southwest Carbon County- 429 AM MDT Tue Aug 10 2021 ...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MDT THIS EVENING... .TODAY... Sky/weather.........Sunny. Areas of smoke. Max temperature.....82-87. 24 hr trend......2 degrees warmer. Min humidity........10 percent. 24 hr trend......5 percent drier. 20-foot winds.......Southwest around 5 mph and gusty increasing to west around 20 mph with higher gusts in the afternoon. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 10 mph increasing to west around 25 mph in the afternoon. Mixing height.......1300-2300 ft AGL increasing to 13300-14900 ft AGL in the afternoon. Smoke dispersal.....Poor (14100 knot-ft) increasing to excellent (308800 knot-ft) in the afternoon. Haines Index........5 or moderate potential for large plume dominated fire growth. .TONIGHT... Sky/weather.........Mostly clear. Areas of smoke. Min temperature.....48-53. 24 hr trend......1 degree warmer. Max humidity........27-33 percent. 24 hr trend......11 percent drier. Humidity recovery...Poor. 20-foot winds.......Northwest around 15 mph and gusty shifting to the north after midnight. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West around 20 mph becoming northwest around 10 mph after midnight. Mixing height.......6200-8200 ft AGL decreasing to 600-1200 ft AGL after midnight. Smoke dispersal.....Very good (117900 knot-ft) decreasing to poor (7300 knot-ft) after midnight. Haines Index........5 or moderate potential for large plume dominated fire growth. .WEDNESDAY... Sky/weather.........Mostly sunny. Areas of smoke. Max temperature.....83-88. 24 hr trend......1 degree warmer. Min humidity........9 percent. 24 hr trend......2 percent drier. 20-foot winds.......Southwest around 5 mph shifting to the west in the afternoon. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West 5 to 10 mph. Mixing height.......1200-2500 ft AGL increasing to 10500-11600 ft AGL in the afternoon. Smoke dispersal.....Poor (8800 knot-ft) increasing to very good (107900 knot-ft) in the afternoon. Haines Index........5 or moderate potential for large plume dominated fire growth. .FORECAST DAYS 3 THROUGH 7... .THURSDAY...Mostly clear. Areas of smoke in the evening. Lows in the lower 50s. Highs in the upper 80s. Northeast winds around 10 mph. .FRIDAY...Mostly clear. Lows in the mid 50s. Highs in the upper 80s. Northeast winds around 10 mph. .SATURDAY...Mostly clear. Lows in the mid 50s. Highs in the upper 80s. Northeast winds around 10 mph. .SUNDAY...Mostly clear. Slight chance of rain and thunderstorms. Lows in the mid 50s. Highs in the upper 80s. .MONDAY...Partly cloudy with chance of rain and thunderstorms. Lows in the mid 50s. Highs in the mid 80s. $$ WYZ305-102245- Sierra Madre Range/Medicine Bow NF- 429 AM MDT Tue Aug 10 2021 ...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MDT THIS EVENING... .TODAY... Sky/weather.........Sunny. Areas of smoke. Max temperature.....71-81. 24 hr trend......2 degrees cooler. Min humidity........7-13 percent. 24 hr trend......5 percent drier. 20-foot winds.......Southwest around 10 mph increasing to west around 20 mph in the afternoon. Gusts up to 30 mph. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West 20 to 25 mph. Mixing height.......2800-3700 ft AGL increasing to 11800-13600 ft AGL in the afternoon. Smoke dispersal.....Fair (49600 knot-ft) increasing to excellent (300200 knot-ft) in the afternoon. Haines Index........5 or moderate potential for large plume dominated fire growth. .TONIGHT... Sky/weather.........Mostly clear. Areas of smoke. Min temperature.....47-53. 24 hr trend......2 degrees warmer. Max humidity........23-29 percent. 24 hr trend......9 percent drier. Humidity recovery...Poor. 20-foot winds.......West 5 to 10 mph. Gusts up to 25 mph decreasing to 15 mph after midnight. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West 15 to 20 mph. Mixing height.......5100-7100 ft AGL decreasing to 1200-3100 ft AGL after midnight. Smoke dispersal.....Very good (106900 knot-ft) decreasing to poor (25400 knot-ft) after midnight. Haines Index........6 or high potential for large plume dominated fire growth. .WEDNESDAY... Sky/weather.........Mostly sunny. Areas of smoke. Max temperature.....74-82. 24 hr trend......3 degrees warmer. Min humidity........10 percent. 24 hr trend......2 percent drier. 20-foot winds.......West 5 to 10 mph and gusty. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West around 15 mph. Mixing height.......4100-5500 ft AGL increasing to 9500-11000 ft AGL in the afternoon. Smoke dispersal.....Fair (53800 knot-ft) increasing to very good (114400 knot-ft) in the afternoon. Haines Index........5 or moderate potential for large plume dominated fire growth. .FORECAST DAYS 3 THROUGH 7... .THURSDAY...Mostly clear. Areas of smoke in the evening. Lows in the lower 50s. Highs in the lower 80s. East winds around 5 mph. .FRIDAY...Mostly clear. Slight chance of rain and thunderstorms. Lows in the lower 50s. Highs around 80. East winds around 10 mph. .SATURDAY...Mostly clear. Slight chance of rain and thunderstorms. Lows in the lower 50s. Highs in the upper 70s. Winds generally less than 10 mph. .SUNDAY...Mostly clear. Slight chance of rain and thunderstorms. Lows in the lower 50s. Highs in the upper 70s. .MONDAY...Partly cloudy with chance of rain and thunderstorms. Lows in the lower 50s. Highs in the mid 70s. $$ WYZ306-102245- Upper North Platte River Basin- 429 AM MDT Tue Aug 10 2021 .TODAY... Sky/weather.........Sunny. Areas of smoke. Max temperature.....79-84. 24 hr trend......1 degree cooler. Min humidity........6-12 percent. 24 hr trend......4 percent drier. 20-foot winds.......Southwest around 10 mph and gusty increasing to west around 20 mph with higher gusts in the afternoon. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West around 15 mph increasing to around 30 mph in the afternoon. Mixing height.......2900-3600 ft AGL increasing to 12700-14200 ft AGL in the afternoon. Smoke dispersal.....Poor (39800 knot-ft) increasing to excellent (324400 knot-ft) in the afternoon. Haines Index........6 or high potential for large plume dominated fire growth. .TONIGHT... Sky/weather.........Mostly clear. Areas of smoke. Min temperature.....47-52. 24 hr trend......1 degree warmer. Max humidity........26-32 percent. 24 hr trend......13 percent drier. Humidity recovery...Poor. 20-foot winds.......West around 10 mph and gusty shifting to the south after midnight. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West around 20 mph becoming southwest around 10 mph after midnight. Mixing height.......4200-6200 ft AGL decreasing to 900-1600 ft AGL after midnight. Smoke dispersal.....Good (95100 knot-ft) decreasing to poor (9100 knot-ft) after midnight. Haines Index........6 or high potential for large plume dominated fire growth. .WEDNESDAY... Sky/weather.........Mostly sunny. Areas of smoke. Max temperature.....81-86. 24 hr trend......1 degree warmer. Min humidity........10 percent. 24 hr trend......1 percent drier. 20-foot winds.......West 10 to 15 mph and gusty. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West 10 to 15 mph. Mixing height.......2800-4700 ft AGL increasing to 10800-11800 ft AGL in the afternoon. Smoke dispersal.....Poor (31100 knot-ft) increasing to very good (136800 knot-ft) in the afternoon. Haines Index........5 or moderate potential for large plume dominated fire growth. .FORECAST DAYS 3 THROUGH 7... .THURSDAY...Mostly clear. Areas of smoke in the evening. Lows in the lower 50s. Highs in the mid 80s. Southeast winds around 10 mph. .FRIDAY...Mostly clear. Slight chance of rain and thunderstorms. Lows in the lower 50s. Highs in the mid 80s. East winds around 10 mph. .SATURDAY...Mostly clear. Slight chance of rain and thunderstorms. Lows in the lower 50s. Highs in the mid 80s. Winds generally less than 10 mph. .SUNDAY...Mostly clear. Slight chance of rain and thunderstorms. Lows in the lower 50s. Highs in the mid 80s. .MONDAY...Partly cloudy with chance of rain and thunderstorms. Lows in the lower 50s. Highs in the lower 80s. $$ WYZ307-102245- Snowy Range/Medicine Bow NF- 429 AM MDT Tue Aug 10 2021 ...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MDT THIS EVENING... .TODAY... Sky/weather.........Sunny. Areas of smoke. Max temperature.....69-77. 24 hr trend......4 degrees cooler. Min humidity........8-14 percent. 24 hr trend......4 percent drier. 20-foot winds.......Southwest around 10 mph increasing to west around 20 mph in the afternoon. Gusts up to 35 mph. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West around 20 mph increasing to around 30 mph in the afternoon. Mixing height.......3000-3800 ft AGL increasing to 11100-13100 ft AGL in the afternoon. Smoke dispersal.....Good (66300 knot-ft) increasing to excellent (311600 knot-ft) in the afternoon. Haines Index........6 or high potential for large plume dominated fire growth. .TONIGHT... Sky/weather.........Clear. Areas of smoke. Min temperature.....41-49. 24 hr trend......1 degree warmer. Max humidity........27-33 percent. 24 hr trend......14 percent drier. Humidity recovery...Poor. 20-foot winds.......West 5 to 10 mph. Gusts up to 30 mph decreasing to 20 mph after midnight. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West 20 to 25 mph. Mixing height.......4700-6400 ft AGL decreasing to 2300-4300 ft AGL after midnight. Smoke dispersal.....Very good (123700 knot-ft) decreasing to fair (57300 knot-ft) after midnight. Haines Index........6 or high potential for large plume dominated fire growth. .WEDNESDAY... Sky/weather.........Mostly sunny. Areas of smoke. Max temperature.....72-80. 24 hr trend......3 degrees warmer. Min humidity........11 percent. 24 hr trend......2 percent drier. 20-foot winds.......West 10 to 15 mph with higher gusts. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West around 15 mph. Mixing height.......4100-5400 ft AGL increasing to 9300-11300 ft AGL in the afternoon. Smoke dispersal.....Good (71800 knot-ft) increasing to very good (130900 knot-ft) in the afternoon. Haines Index........6 or high potential for large plume dominated fire growth. .FORECAST DAYS 3 THROUGH 7... .THURSDAY...Mostly clear. Areas of smoke in the evening. Lows in the upper 40s. Highs in the upper 70s. Southeast winds around 10 mph. .FRIDAY...Mostly clear. Chance of rain and thunderstorms. Lows in the upper 40s. Highs in the mid 70s. East winds around 10 mph. .SATURDAY...Mostly clear. Chance of rain and thunderstorms. Lows in the upper 40s. Highs in the mid 70s. Winds generally less than 10 mph. .SUNDAY...Mostly clear. Chance of rain and thunderstorms. Lows in the upper 40s. Highs in the mid 70s. .MONDAY...Partly cloudy with chance of rain and thunderstorms. Lows in the upper 40s. Highs in the lower 70s. $$ WYZ308-102245- Laramie Valley/Shirley Basin- 429 AM MDT Tue Aug 10 2021 ...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MDT THIS EVENING... .TODAY... Sky/weather.........Sunny. Areas of smoke. Max temperature.....79-84. 24 hr trend......2 degrees cooler. Min humidity........4-10 percent. 24 hr trend......4 percent drier. 20-foot winds.......West around 10 mph and gusty increasing to around 20 mph with higher gusts in the afternoon. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West around 15 mph increasing to around 25 mph in the afternoon. Mixing height.......1900-3200 ft AGL increasing to 11500-13500 ft AGL in the afternoon. Smoke dispersal.....Poor (32300 knot-ft) increasing to excellent (287200 knot-ft) in the afternoon. Haines Index........5 or moderate potential for large plume dominated fire growth. .TONIGHT... Sky/weather.........Mostly clear. Areas of smoke. Min temperature.....46-51. 24 hr trend......2 degrees cooler. Max humidity........30-36 percent. 24 hr trend......17 percent drier. Humidity recovery...Poor. 20-foot winds.......West 5 to 10 mph. Gusts up to 30 mph in the evening. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West around 20 mph decreasing to around 10 mph after midnight. Mixing height.......1800-3800 ft AGL decreasing to 600-1600 ft AGL after midnight. Smoke dispersal.....Poor to fair (9500-50200 knot-ft). Haines Index........6 or high potential for large plume dominated fire growth. .WEDNESDAY... Sky/weather.........Mostly sunny until 0900, then partly cloudy until 1200, then mostly sunny. Areas of smoke. Max temperature.....82-87. 24 hr trend......3 degrees warmer. Min humidity........6-12 percent. 24 hr trend......1 percent wetter. 20-foot winds.......West around 5 mph increasing to around 15 mph in the afternoon. Gusts up to 20 mph. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West 10 to 15 mph. Mixing height.......1600-3600 ft AGL increasing to 9900-11900 ft AGL in the afternoon. Smoke dispersal.....Poor (21800 knot-ft) increasing to very good (133400 knot-ft) in the afternoon. Haines Index........5 or moderate potential for large plume dominated fire growth. .FORECAST DAYS 3 THROUGH 7... .THURSDAY...Mostly clear. Areas of smoke in the evening. Lows around 50. Highs in the lower 80s. Northeast winds around 10 mph. .FRIDAY...Mostly clear. Chance of rain and thunderstorms. Lows in the lower 50s. Highs around 80. East winds around 10 mph. .SATURDAY...Mostly clear. Chance of rain and thunderstorms. Lows around 50. Highs in the lower 80s. Winds generally less than 10 mph. .SUNDAY...Mostly clear. Slight chance of rain and thunderstorms. Lows in the lower 50s. Highs in the lower 80s. .MONDAY...Partly cloudy with chance of rain and thunderstorms. Lows in the lower 50s. Highs in the lower 80s. $$ WYZ309-102245- South Laramie Range/Medicine Bow NF- 429 AM MDT Tue Aug 10 2021 .TODAY... Sky/weather.........Sunny. Areas of smoke. Max temperature.....80-88. 24 hr trend......7 degrees cooler. Min humidity........5-11 percent. 24 hr trend......4 percent drier. 20-foot winds.......West around 10 mph increasing to around 20 mph in the afternoon. Gusts up to 30 mph. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West around 15 mph increasing to around 25 mph in the afternoon. Mixing height.......1900-3200 ft AGL increasing to 12400-14400 ft AGL in the afternoon. Smoke dispersal.....Poor (35500 knot-ft) increasing to excellent (273300 knot-ft) in the afternoon. Haines Index........6 or high potential for large plume dominated fire growth. .TONIGHT... Sky/weather.........Mostly clear. Areas of smoke. Min temperature.....51-57. 24 hr trend......1 degree warmer. Max humidity........21-27 percent. 24 hr trend......22 percent drier. Humidity recovery...Poor. 20-foot winds.......West around 10 mph. Gusts up to 30 mph in the evening. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....Northwest 15 to 20 mph. Mixing height.......1500-3500 ft AGL. Smoke dispersal.....Poor to good (24600-60000 knot-ft). Haines Index........6 or high potential for large plume dominated fire growth. .WEDNESDAY... Sky/weather.........Mostly sunny. Areas of smoke. Max temperature.....82-88. 24 hr trend......1 degree warmer. Min humidity........11 percent. 24 hr trend......2 percent wetter. 20-foot winds.......West around 10 mph and gusty. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West 10 to 15 mph. Mixing height.......2700-4700 ft AGL increasing to 11100-12400 ft AGL in the afternoon. Smoke dispersal.....Poor (34300 knot-ft) increasing to very good (136400 knot-ft) in the afternoon. Haines Index........5 or moderate potential for large plume dominated fire growth. .FORECAST DAYS 3 THROUGH 7... .THURSDAY...Mostly clear. Areas of smoke in the evening. Lows in the mid 50s. Highs in the lower 80s. Northwest winds around 10 mph. .FRIDAY...Partly cloudy with chance of rain and thunderstorms. Lows in the mid 50s. Highs in the upper 70s. East winds around 10 mph. .SATURDAY...Partly cloudy. Chance of rain and thunderstorms. Lows in the mid 50s. Highs in the lower 80s. Southeast winds around 10 mph. .SUNDAY...Mostly clear. Slight chance of rain and thunderstorms. Lows in the mid 50s. Highs in the lower 80s. .MONDAY...Mostly clear with chance of rain and thunderstorms. Lows in the mid 50s. Highs in the lower 80s. $$ WYZ310-102245- Platte/Goshen/Central and Eastern Laramie- 429 AM MDT Tue Aug 10 2021 ...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MDT THIS EVENING... .TODAY... Sky/weather.........Mostly sunny. Areas of smoke. Max temperature.....88-93. 24 hr trend......Unchanged. Min humidity........6-12 percent. 24 hr trend......6 percent drier. 20-foot winds.......West around 5 mph and gusty increasing to around 15 mph with higher gusts in the afternoon. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West 10 to 15 mph. Mixing height.......1300-2300 ft AGL increasing to 11500-13500 ft AGL in the afternoon. Smoke dispersal.....Poor (10200 knot-ft) increasing to excellent (185400 knot-ft) in the afternoon. Haines Index........5 or moderate potential for large plume dominated fire growth. .TONIGHT... Sky/weather.........Mostly clear. Areas of smoke. Min temperature.....52-57. 24 hr trend......1 degree warmer. Max humidity........31-37 percent. 24 hr trend......42 percent drier. Humidity recovery...Poor. 20-foot winds.......West 5 to 10 mph. Gusts up to 25 mph decreasing to 15 mph after midnight. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....Northwest 10 to 15 mph. Mixing height.......2000-4000 ft AGL decreasing to 400-1300 ft AGL after midnight. Smoke dispersal.....Poor to fair (9000-46000 knot-ft). Haines Index........5 or moderate potential for large plume dominated fire growth. .WEDNESDAY... Sky/weather.........Partly cloudy until 1200, then mostly sunny. Areas of smoke. Max temperature.....89-94. 24 hr trend......1 degree warmer. Min humidity........7-13 percent. 24 hr trend......3 percent wetter. 20-foot winds.......Northwest 5 to 10 mph and gusty. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West 5 to 10 mph. Mixing height.......1500-3000 ft AGL increasing to 10200-11700 ft AGL in the afternoon. Smoke dispersal.....Poor (14300 knot-ft) increasing to good (95800 knot-ft) in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth. .FORECAST DAYS 3 THROUGH 7... .THURSDAY...Mostly clear. Areas of smoke in the evening. Lows in the mid 50s. Highs in the upper 80s. North winds around 10 mph. .FRIDAY...Partly cloudy with slight chance of rain and thunderstorms. Lows in the mid 50s. Highs in the lower 80s. East winds around 10 mph. .SATURDAY...Partly cloudy. Slight chance of rain and thunderstorms. Lows in the upper 50s. Highs in the upper 80s. Southeast winds around 10 mph. .SUNDAY...Mostly clear. Slight chance of rain and thunderstorms. Lows in the upper 50s. Highs in the upper 80s. .MONDAY...Mostly clear. Slight chance of rain and thunderstorms. Lows in the upper 50s. Highs around 90. $$ NEZ311-102245- Pine Ridge/Nebraska National Forest/Oglala National Grasslands- 429 AM MDT Tue Aug 10 2021 .TODAY... Sky/weather.........Sunny. Areas of smoke. Max temperature.....90-95. 24 hr trend......2 degrees warmer. Min humidity........8-14 percent. 24 hr trend......10 percent drier. 20-foot winds.......Southwest around 5 mph increasing to around 15 mph with higher gusts in the afternoon. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....Southeast around 5 mph increasing to west around 15 mph in the afternoon. Mixing height.......2800-3300 ft AGL increasing to 9900-11500 ft AGL in the afternoon. Smoke dispersal.....Poor (11500 knot-ft) increasing to very good (133100 knot-ft) in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth. .TONIGHT... Sky/weather.........Mostly clear. Areas of smoke. Min temperature.....55-60. 24 hr trend......3 degrees warmer. Max humidity........35-41 percent. 24 hr trend......27 percent drier. Humidity recovery...Poor. 20-foot winds.......West 5 to 10 mph. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....Northwest 10 to 15 mph. Mixing height.......4000-6000 ft AGL decreasing to 500-1400 ft AGL after midnight. Smoke dispersal.....Good (68600 knot-ft) decreasing to poor (9100 knot-ft) after midnight. Haines Index........5 or moderate potential for large plume dominated fire growth. .WEDNESDAY... Sky/weather.........Partly cloudy until 0900, then mostly sunny. Areas of smoke. Max temperature.....92-97. 24 hr trend......3 degrees warmer. Min humidity........15 percent. 24 hr trend......1 percent wetter. 20-foot winds.......Northwest 5 to 10 mph and gusty. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West around 10 mph. Mixing height.......2300-3900 ft AGL increasing to 10800-11400 ft AGL in the afternoon. Smoke dispersal.....Poor (25800 knot-ft) increasing to very good (109700 knot-ft) in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth. .FORECAST DAYS 3 THROUGH 7... .THURSDAY...Mostly clear. Areas of smoke in the evening. Lows in the upper 50s. Highs in the upper 80s. Northeast winds around 10 mph. .FRIDAY...Mostly clear. Slight chance of rain and thunderstorms. Lows in the mid 50s. Highs in the upper 80s. East winds around 10 mph. .SATURDAY...Mostly clear. Slight chance of rain and thunderstorms. Lows in the upper 50s. Highs in the lower 90s. South winds around 10 mph. .SUNDAY...Mostly clear. Slight chance of rain and thunderstorms. Lows around 60. Highs in the lower 90s. .MONDAY...Mostly clear. Lows around 60. Highs in the mid 90s. $$ NEZ312-102245- Box Butte/South Sioux- 429 AM MDT Tue Aug 10 2021 .TODAY... Sky/weather.........Sunny. Areas of smoke. Max temperature.....89-94. 24 hr trend......1 degree warmer. Min humidity........14 percent. 24 hr trend......5 percent drier. 20-foot winds.......East around 5 mph and gusty increasing to southwest around 15 mph with higher gusts in the afternoon. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....Southeast around 10 mph shifting to the west in the afternoon. Mixing height.......2500-3000 ft AGL increasing to 9800-11100 ft AGL in the afternoon. Smoke dispersal.....Poor (14600 knot-ft) increasing to very good (124600 knot-ft) in the afternoon. Haines Index........5 or moderate potential for large plume dominated fire growth. .TONIGHT... Sky/weather.........Mostly clear. Areas of smoke. Min temperature.....52-57. 24 hr trend......1 degree warmer. Max humidity........39-45 percent. 24 hr trend......34 percent drier. Humidity recovery...Poor. 20-foot winds.......Northwest 5 to 10 mph. Gusts up to 25 mph decreasing to 15 mph after midnight. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....West around 15 mph shifting to the north after midnight. Mixing height.......4500-6500 ft AGL decreasing to 500-1100 ft AGL after midnight. Smoke dispersal.....Good (73300 knot-ft) decreasing to poor (8900 knot-ft) after midnight. Haines Index........5 or moderate potential for large plume dominated fire growth. .WEDNESDAY... Sky/weather.........Partly cloudy until 0900, then mostly sunny. Areas of smoke. Max temperature.....91-96. 24 hr trend......2 degrees warmer. Min humidity........14 percent. 24 hr trend......Unchanged. 20-foot winds.......Northwest 5 to 10 mph and gusty. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 10 mph shifting to the west in the afternoon. Mixing height.......2200-3700 ft AGL increasing to 10700-11300 ft AGL in the afternoon. Smoke dispersal.....Poor (21400 knot-ft) increasing to good (91600 knot-ft) in the afternoon. Haines Index........3 or very low potential for large plume dominated fire growth. .FORECAST DAYS 3 THROUGH 7... .THURSDAY...Mostly clear. Areas of smoke in the evening. Lows in the upper 50s. Highs in the upper 80s. Northeast winds around 10 mph. .FRIDAY...Mostly clear. Slight chance of rain and thunderstorms. Lows in the mid 50s. Highs in the mid 80s. East winds around 10 mph. .SATURDAY...Partly cloudy. Slight chance of rain and thunderstorms. Lows in the upper 50s. Highs in the upper 80s. Southeast winds around 10 mph. .SUNDAY...Mostly clear. Slight chance of rain and thunderstorms. Lows in the upper 50s. Highs in the lower 90s. .MONDAY...Mostly clear. Lows in the upper 50s. Highs in the lower 90s. $$ NEZ313-102245- Scotts Bluff National Monument/Wildcat Hills- 429 AM MDT Tue Aug 10 2021 .TODAY... Sky/weather.........Sunny. Areas of smoke. Max temperature.....89-94. 24 hr trend......4 degrees cooler. Min humidity........10-16 percent. 24 hr trend......1 percent drier. 20-foot winds.......North around 5 mph and gusty increasing to west around 15 mph with higher gusts in the afternoon. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....North around 10 mph shifting to the west in the afternoon. Mixing height.......1500-2300 ft AGL increasing to 10000-12000 ft AGL in the afternoon. Smoke dispersal.....Poor (10700 knot-ft) increasing to very good (129200 knot-ft) in the afternoon. Haines Index........5 or moderate potential for large plume dominated fire growth. .TONIGHT... Sky/weather.........Mostly clear. Areas of smoke. Min temperature.....54-59. 24 hr trend......1 degree warmer. Max humidity........38-44 percent. 24 hr trend......38 percent drier. Humidity recovery...Poor. 20-foot winds.......West around 10 mph. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....Northwest 10 to 15 mph. Mixing height.......4600-6600 ft AGL decreasing to 400-1100 ft AGL after midnight. Smoke dispersal.....Good (71100 knot-ft) decreasing to poor (7800 knot-ft) after midnight. Haines Index........6 or high potential for large plume dominated fire growth. .WEDNESDAY... Sky/weather.........Mostly sunny. Areas of smoke. Max temperature.....91-96. 24 hr trend......2 degrees warmer. Min humidity........8-14 percent. 24 hr trend......1 percent drier. 20-foot winds.......Northwest 5 to 10 mph and gusty. LAL.................1. Chc of wetting rain.Zero percent. Transport winds.....North around 10 mph shifting to the west in the afternoon. Mixing height.......1300-1900 ft AGL increasing to 10600-11200 ft AGL in the afternoon. Smoke dispersal.....Poor (12400 knot-ft) increasing to good (78400 knot-ft) in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth. .FORECAST DAYS 3 THROUGH 7... .THURSDAY...Mostly clear. Areas of smoke in the evening. Lows in the upper 50s. Highs in the lower 90s. Northeast winds around 10 mph. .FRIDAY...Partly cloudy with chance of rain and thunderstorms. Lows in the upper 50s. Highs in the mid 80s. East winds around 10 mph. .SATURDAY...Partly cloudy. Chance of rain and thunderstorms. Lows in the upper 50s. Highs in the upper 80s. Southeast winds around 10 mph. .SUNDAY...Mostly clear. Slight chance of rain and thunderstorms. Lows in the upper 50s. Highs in the upper 80s. .MONDAY...Mostly clear. Slight chance of rain and thunderstorms. Lows in the upper 50s. Highs in the lower 90s. $$