687 FNUS55 KBYZ 222016 FWFBYZ Fire Weather Planning Forecast for SCen and SErn Montana National Weather Service Billings MT 216 PM MDT Wed Jul 22 2020 .DISCUSSION... ...Hot, Low Relative Humidity, Gusty Winds and Scattered Thunderstorms Thursday... Monsoonal moisture will spread over the district tonight bringing isolated light showers and thunderstorms tonight, scattered over the western mountains. Wind gusts up to 40 mph possible near any shower/thunderstorm activity through midnight. Tonight will be very warm with poor RH recoveries in many areas. A disturbance will move through the area Thursday for better chance of showers and thunderstorms, though wetting rain chances remain low. Strong wind gusts (50 to 60 mph) will accompany thunderstorms. Typical summer pattern develops for Friday through the middle of next week with temperatures near 90 for highs, and a chance for afternoon and evening thunderstorms each day. Chambers MTZ123-231015- Gallatin National Forest- 216 PM MDT Wed Jul 22 2020 .Tonight... * Sky/weather...........Mostly cloudy with scattered showers and thunderstorms. * Min temperature.......58-68 at 5000 feet...51-61 at 7000 feet. * 24 hr trend.........9 degrees warmer. * Max humidity..........54-64 percent at 5000 feet...62-72 percent at 7000 feet. * 24 hr trend.........4 percent drier. * Wind (20 ft) * Slope/valley.........Southwest winds 5 to 15 mph. * Ridgetop.............Southwest 15 to 25 mph. * LAL...................3...9 to 15 strikes/15 min/cell. * CWR...................20 percent. .THURSDAY... * Sky/weather...........Partly sunny with scattered showers and thunderstorms in the morning, then cloudy with numerous showers and thunderstorms in the afternoon. * Max temperature.......80-89 at 5000 feet...67-77 at 7000 feet. * 24 hr trend.........7 degrees cooler. * Min humidity..........33-43 percent at 5000 feet...38-48 percent at 7000 feet. * 24 hr trend.........22 percent wetter. * Wind (20 ft) * Slope/valley.........Southwest winds 5 to 15 mph. * Ridgetop.............Southwest 10 to 20 mph. * LAL...................4...16 to 25 strikes/15 min/cell. * CWR...................40 percent. * Haines index..........4. .THURSDAY NIGHT... * Sky/weather...........Cloudy with numerous showers and thunderstorms likely in the evening, then partly cloudy overnight. * Min temperature.......50-60 at 5000 feet...46-56 at 7000 feet. * 24 hr trend.........5 degrees cooler. * Max humidity..........79-84 percent. * 24 hr trend.........11 percent wetter. * Wind (20 ft) * Slope/valley.........South winds 5 to 15 mph. * Ridgetop.............West 15 to 25 mph. * LAL...................4...16 to 25 strikes/15 min/cell. * CWR...................40 percent. .FRIDAY... * Sky/weather...........Sunny in the morning, then partly sunny with scattered showers and thunderstorms in the afternoon. * Max temperature.......78-88 at 5000 feet...66-76 at 7000 feet. * 24 hr trend.........1 degree cooler. * Min humidity..........30-36 percent at 5000 feet...33-43 percent at 7000 feet. * 24 hr trend.........8 percent drier. * Wind (20 ft) * Slope/valley.........Southwest winds 5 to 15 mph. * Ridgetop.............Southwest 15 to 25 mph. * LAL...................3...9 to 15 strikes/15 min/cell. * CWR...................20 percent. * Haines index..........3. .Forecast days 3 through 7...... .FRIDAY NIGHT...Partly cloudy. Scattered showers and thunderstorms. Lows 49 to 59. Southwest winds 5 to 10 mph. .SATURDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 47 to 57. Highs 77 to 87. Southwest winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 47 to 57. Highs 78 to 88. Southeast winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 51 to 61. Highs 82 to 92. East winds 5 to 10 mph. .TUESDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 52 to 62. Highs 83 to 93. .WEDNESDAY...Mostly sunny. Isolated showers and thunderstorms. Highs 82 to 91. $$ MTZ124-231015- Wheatland County/Sweet Grass County- 216 PM MDT Wed Jul 22 2020 .Tonight... * Sky/weather...........Mostly cloudy with isolated showers and thunderstorms. * Min temperature.......64-69. * 24 hr trend.........14 degrees warmer. * Max humidity..........56-61 percent. * 24 hr trend.........16 percent drier. * Wind (20 ft) * Plains...............West winds 10 to 20 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................10 percent. .THURSDAY... * Sky/weather...........Partly sunny with scattered showers and thunderstorms. * Max temperature.......84-89. * 24 hr trend.........6 degrees cooler. * Min humidity..........34-39 percent. * 24 hr trend.........15 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * LAL...................3...9 to 15 strikes/15 min/cell. * CWR...................30 percent. * Haines index..........4. .THURSDAY NIGHT... * Sky/weather...........Mostly cloudy. Scattered showers and thunderstorms in the evening. * Min temperature.......52-57. * 24 hr trend.........12 degrees cooler. * Max humidity..........83-88 percent. * 24 hr trend.........27 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * LAL...................3...9 to 15 strikes/15 min/cell. * CWR...................20 percent. .FRIDAY... * Sky/weather...........Mostly sunny. Scattered showers and thunderstorms in the afternoon. * Max temperature.......83-88. * 24 hr trend.........1 degree cooler. * Min humidity..........29-34 percent. * 24 hr trend.........5 percent drier. * Wind (20 ft) * Plains...............West winds 10 to 20 mph. * LAL...................3...9 to 15 strikes/15 min/cell. * CWR...................10 percent. * Haines index..........3. .Forecast days 3 through 7...... .FRIDAY NIGHT...Partly cloudy. Scattered showers and thunderstorms. Lows 51 to 56. West winds 5 to 15 mph. .SATURDAY...Mostly clear. Scattered showers and thunderstorms. Lows 48 to 53. Highs 80 to 85. Northwest winds 5 to 15 mph. .SUNDAY...Mostly clear. Lows 49 to 54. Highs 79 to 84. East winds 5 to 15 mph. .MONDAY...Mostly clear. Lows 52 to 57. Highs 83 to 88. Southeast winds 5 to 15 mph. .TUESDAY...Partly cloudy. Lows 54 to 59. Highs 86 to 91. .WEDNESDAY...Mostly sunny. Highs 86 to 91. $$ MTZ125-231015- Stillwater County- 216 PM MDT Wed Jul 22 2020 .Tonight... * Sky/weather...........Mostly cloudy with isolated showers and thunderstorms. * Min temperature.......65-70. * 24 hr trend.........9 degrees warmer. * Max humidity..........51-56 percent. * 24 hr trend.........14 percent drier. * Wind (20 ft) * Plains...............Northwest winds 10 to 20 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................10 percent. .THURSDAY... * Sky/weather...........Mostly cloudy in the morning then becoming mostly sunny. Scattered showers and thunderstorms. * Max temperature.......86-91. * 24 hr trend.........5 degrees cooler. * Min humidity..........32-37 percent. * 24 hr trend.........15 percent wetter. * Wind (20 ft) * Plains...............Southwest winds 5 to 15 mph. * LAL...................3...9 to 15 strikes/15 min/cell. * CWR...................20 percent. * Haines index..........4. .THURSDAY NIGHT... * Sky/weather...........Partly cloudy. Scattered showers and thunderstorms in the evening. * Min temperature.......55-60. * 24 hr trend.........10 degrees cooler. * Max humidity..........67-72 percent. * 24 hr trend.........16 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * LAL...................3...9 to 15 strikes/15 min/cell. * CWR...................10 percent. .FRIDAY... * Sky/weather...........Mostly sunny. Scattered showers and thunderstorms in the afternoon. * Max temperature.......84-89. * 24 hr trend.........2 degrees cooler. * Min humidity..........23-28 percent. * 24 hr trend.........9 percent drier. * Wind (20 ft) * Plains...............Northwest winds 5 to 10 mph in the morning shifting to the south 5 to 15 mph in the afternoon. * LAL...................3...9 to 15 strikes/15 min/cell. * CWR...................20 percent. * Haines index..........4. .Forecast days 3 through 7...... .FRIDAY NIGHT...Partly cloudy. Scattered showers and thunderstorms. Lows 55 to 60. West winds 5 to 10 mph. .SATURDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 51 to 56. Highs 81 to 86. Northwest winds 5 to 10 mph. .SUNDAY...Mostly clear. Isolated showers and thunderstorms. Lows 52 to 57. Highs 80 to 85. Northeast winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 55 to 60. Highs 83 to 88. East winds 5 to 10 mph. .TUESDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 56 to 61. Highs 86 to 91. .WEDNESDAY...Mostly sunny. Isolated showers and thunderstorms. Highs 87 to 92. $$ MTZ126-231015- Beartooth Ranger District Custer National Forest- 216 PM MDT Wed Jul 22 2020 .Tonight... * Sky/weather...........Mostly cloudy with scattered showers and thunderstorms. * Min temperature.......65-70 at 5000 feet...54-64 at 7000 feet. * 24 hr trend.........3 degrees warmer. * Max humidity..........41-51 percent at 5000 feet...50-60 percent at 7000 feet. * 24 hr trend.........16 percent drier. * Wind (20 ft) * Slope/valley.........Southwest winds 5 to 15 mph. * Ridgetop.............South 5 to 15 mph. * LAL...................3...9 to 15 strikes/15 min/cell. * CWR...................10 percent. .THURSDAY... * Sky/weather...........Partly sunny with scattered showers and thunderstorms. * Max temperature.......83-91 at 5000 feet...72-82 at 7000 feet. * 24 hr trend.........5 degrees cooler. * Min humidity..........24-34 percent at 5000 feet...35-45 percent at 7000 feet. * 24 hr trend.........16 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 15 mph. * Ridgetop.............Southwest 5 to 15 mph. * LAL...................3...9 to 15 strikes/15 min/cell. * CWR...................20 percent. * Haines index..........4. .THURSDAY NIGHT... * Sky/weather...........Partly cloudy. Scattered showers and thunderstorms in the evening. * Min temperature.......57-63 at 5000 feet...51-61 at 7000 feet. * 24 hr trend.........7 degrees cooler. * Max humidity..........56-61 percent. * 24 hr trend.........5 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 15 mph. * Ridgetop.............Southwest 20 to 35 mph. * LAL...................3...9 to 15 strikes/15 min/cell. * CWR...................Less than 10 percent. .FRIDAY... * Sky/weather...........Mostly sunny. Scattered showers and thunderstorms in the afternoon. * Max temperature.......82-90 at 5000 feet...71-81 at 7000 feet. * 24 hr trend.........1 degree cooler. * Min humidity..........17-26 percent at 5000 feet...26-36 percent at 7000 feet. * 24 hr trend.........10 percent drier. * Wind (20 ft) * Slope/valley.........Southwest winds 5 to 15 mph. Gusts up to 30 mph in the afternoon. * Ridgetop.............Southwest 20 to 35 mph. * LAL...................3...9 to 15 strikes/15 min/cell. * CWR...................20 percent. * Haines index..........5. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly clear. Scattered showers and thunderstorms. Lows 57 to 63. West winds 5 to 10 mph. .SATURDAY...Partly cloudy. Numerous showers and thunderstorms likely. Lows 54 to 59. Highs 79 to 86. Northwest winds 5 to 15 mph. .SUNDAY...Mostly clear. Isolated showers and thunderstorms. Lows 54 to 61. Highs 77 to 85. Northwest winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 57 to 63. Highs 80 to 87. North winds 5 to 10 mph. .TUESDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 59 to 64. Highs 82 to 90. .WEDNESDAY...Mostly sunny. Scattered showers and thunderstorms. Highs 81 to 89. $$ MTZ127-231015- Golden Valley County/Musselshell county- 216 PM MDT Wed Jul 22 2020 .Tonight... * Sky/weather...........Partly cloudy. * Min temperature.......68-73. * 24 hr trend.........1 degree cooler. * Max humidity..........43-48 percent. * 24 hr trend.........5 percent wetter. * Wind (20 ft) * Plains...............West winds 10 to 20 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. .THURSDAY... * Sky/weather...........Mostly cloudy with isolated showers and thunderstorms in the morning, then mostly sunny with scattered showers and thunderstorms in the afternoon. * Max temperature.......85-90. * 24 hr trend.........6 degrees cooler. * Min humidity..........28-33 percent. * 24 hr trend.........12 percent wetter. * Wind (20 ft) * Plains...............West winds 10 to 20 mph. * LAL...................3...9 to 15 strikes/15 min/cell. * CWR...................10 percent. * Haines index..........4. .THURSDAY NIGHT... * Sky/weather...........Mostly cloudy with scattered showers and thunderstorms in the evening, then mostly clear overnight. * Min temperature.......61-66. * 24 hr trend.........7 degrees cooler. * Max humidity..........64-69 percent. * 24 hr trend.........21 percent wetter. * Wind (20 ft) * Plains...............West winds 10 to 20 mph. * LAL...................3...9 to 15 strikes/15 min/cell. * CWR...................10 percent. .FRIDAY... * Sky/weather...........Sunny. Isolated showers and thunderstorms in the afternoon. * Max temperature.......84-89. * 24 hr trend.........1 degree cooler. * Min humidity..........22-27 percent. * 24 hr trend.........6 percent drier. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph in the morning shifting to the south 5 to 10 mph in the afternoon. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................Less than 10 percent. * Haines index..........4. .Forecast days 3 through 7...... .FRIDAY NIGHT...Partly cloudy. Scattered showers and thunderstorms. Lows 60 to 65. West winds 5 to 10 mph. .SATURDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 57 to 62. Highs 79 to 84. North winds 5 to 15 mph. .SUNDAY...Mostly clear. Lows 57 to 62. Highs 79 to 84. East winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 60 to 65. Highs 82 to 87. East winds 5 to 10 mph. .TUESDAY...Partly cloudy. Lows 61 to 66. Highs 87 to 92. .WEDNESDAY...Mostly sunny. Highs 85 to 90. $$ MTZ128-231015- Yellowstone County- 216 PM MDT Wed Jul 22 2020 .Tonight... * Sky/weather...........Partly cloudy. * Min temperature.......69-74. * 24 hr trend.........8 degrees warmer. * Max humidity..........45-50 percent. * 24 hr trend.........15 percent drier. * Wind (20 ft) * Plains...............North winds 5 to 15 mph in the evening shifting to the west 10 to 20 mph overnight. * LAL...................1...no thunderstorms. * CWR...................Zero. .THURSDAY... * Sky/weather...........Mostly cloudy with isolated showers and thunderstorms in the morning, then mostly sunny with scattered showers and thunderstorms in the afternoon. * Max temperature.......91-96. * 24 hr trend.........5 degrees cooler. * Min humidity..........23-28 percent. * 24 hr trend.........11 percent wetter. * Wind (20 ft) * Plains...............West winds 10 to 20 mph. * LAL...................3...9 to 15 strikes/15 min/cell. * CWR...................10 percent. * Haines index..........4. .THURSDAY NIGHT... * Sky/weather...........Partly cloudy. Scattered showers and thunderstorms in the evening. * Min temperature.......60-65. * 24 hr trend.........9 degrees cooler. * Max humidity..........74-79 percent. * 24 hr trend.........29 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * LAL...................3...9 to 15 strikes/15 min/cell. * CWR...................Less than 10 percent. .FRIDAY... * Sky/weather...........Sunny. Isolated showers and thunderstorms in the afternoon. * Max temperature.......90-95. * 24 hr trend.........1 degree cooler. * Min humidity..........19-24 percent. * 24 hr trend.........4 percent drier. * Wind (20 ft) * Plains...............West winds 5 to 10 mph in the morning shifting to the south in the afternoon. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................Less than 10 percent. * Haines index..........4. .Forecast days 3 through 7...... .FRIDAY NIGHT...Partly cloudy. Isolated showers and thunderstorms. Lows 60 to 65. West winds 5 to 10 mph. .SATURDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 57 to 62. Highs 86 to 91. North winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 57 to 62. Highs 86 to 91. Northeast winds 5 to 15 mph. .MONDAY...Mostly clear. Lows 60 to 65. Highs 88 to 93. Northeast winds 5 to 15 mph. .TUESDAY...Partly cloudy. Lows 61 to 66. Highs 92 to 97. .WEDNESDAY...Mostly sunny. Highs 92 to 97. $$ MTZ129-231015- Crow Indian Reservation/Bighorn Canyon Rec Area- 216 PM MDT Wed Jul 22 2020 .Tonight... * Sky/weather...........Mostly clear in the evening then becoming mostly cloudy. * Min temperature.......66-72 at 5000 feet...61-67 at 7000 feet. * 24 hr trend.........3 degrees warmer. * Max humidity..........40-47 percent at 5000 feet...44-49 percent at 7000 feet. * 24 hr trend.........7 percent drier. * Wind (20 ft) * Slope/valley.........South winds 10 to 20 mph. * Ridgetop.............South 10 to 20 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. .THURSDAY... * Sky/weather...........Mostly cloudy in the morning then clearing. Isolated showers and thunderstorms. * Max temperature.......82-92 at 5000 feet...75-81 at 7000 feet. * 24 hr trend.........6 degrees cooler. * Min humidity..........22-32 percent at 5000 feet...30-38 percent at 7000 feet. * 24 hr trend.........10 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 10 to 20 mph. * Ridgetop.............West 10 to 20 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................10 percent. * Haines index..........4. .THURSDAY NIGHT... * Sky/weather...........Partly cloudy. Isolated showers and thunderstorms in the evening. * Min temperature.......60-65 at 5000 feet...55-61 at 7000 feet. * 24 hr trend.........7 degrees cooler. * Max humidity..........53-63 percent at 5000 feet...55-65 percent at 7000 feet. * 24 hr trend.........17 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 15 mph. * Ridgetop.............West 10 to 20 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................Less than 10 percent. .FRIDAY... * Sky/weather...........Sunny. Isolated showers and thunderstorms in the afternoon. * Max temperature.......81-91 at 5000 feet...74-81 at 7000 feet. * 24 hr trend.........1 degree warmer. * Min humidity..........16-26 percent at 5000 feet...22-28 percent at 7000 feet. * 24 hr trend.........6 percent drier. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. * Ridgetop.............Southwest 5 to 15 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................Less than 10 percent. * Haines index..........5. .Forecast days 3 through 7...... .FRIDAY NIGHT...Partly cloudy. Scattered showers and thunderstorms. Lows 59 to 65. Southwest winds 5 to 10 mph. .SATURDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 55 to 61. Highs 77 to 87. North winds 5 to 15 mph. .SUNDAY...Mostly clear. Lows 56 to 62. Highs 76 to 86. East winds 5 to 15 mph. .MONDAY...Mostly clear. Lows 60 to 66. Highs 79 to 89. East winds 5 to 10 mph. .TUESDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 61 to 66. Highs 81 to 91. .WEDNESDAY...Mostly sunny. Isolated showers and thunderstorms. Highs 81 to 91. $$ MTZ130-231015- Northern Rosebud/Northern Treasure Counties- 216 PM MDT Wed Jul 22 2020 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......68-73. * 24 hr trend.........5 degrees warmer. * Max humidity..........52-57 percent. * 24 hr trend.........14 percent drier. * Wind (20 ft) * Plains...............Southeast winds 5 to 15 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. .THURSDAY... * Sky/weather...........Mostly cloudy in the morning then becoming mostly sunny. Isolated showers and thunderstorms. * Max temperature.......95-100. * 24 hr trend.........6 degrees cooler. * Min humidity..........23-28 percent. * 24 hr trend.........8 percent wetter. * Wind (20 ft) * Plains...............West winds 10 to 20 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................10 percent. * Haines index..........4. .THURSDAY NIGHT... * Sky/weather...........Mostly clear. Isolated showers and thunderstorms in the evening. * Min temperature.......61-66. * 24 hr trend.........7 degrees cooler. * Max humidity..........78-83 percent. * 24 hr trend.........26 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................Less than 10 percent. .FRIDAY... * Sky/weather...........Sunny. * Max temperature.......94-99. * 24 hr trend.........1 degree cooler. * Min humidity..........19-24 percent. * 24 hr trend.........4 percent drier. * Wind (20 ft) * Plains...............West winds 5 to 10 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. * Haines index..........4. .Forecast days 3 through 7...... .FRIDAY NIGHT...Partly cloudy. Scattered showers and thunderstorms. Lows 61 to 66. South winds 5 to 10 mph. .SATURDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 57 to 62. Highs 90 to 95. North winds 5 to 10 mph. .SUNDAY...Mostly clear. Lows 57 to 62. Highs 86 to 91. East winds 5 to 10 mph. .MONDAY...Clear. Lows 59 to 64. Highs 89 to 94. East winds 5 to 10 mph. .TUESDAY...Partly cloudy. Lows 61 to 66. Highs 94 to 99. .WEDNESDAY...Mostly sunny. Highs 93 to 98. $$ MTZ131-231015- Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest- 216 PM MDT Wed Jul 22 2020 .Tonight... * Sky/weather...........Mostly clear in the evening then becoming mostly cloudy. * Min temperature.......68-73. * 24 hr trend.........6 degrees warmer. * Max humidity..........48-53 percent. * 24 hr trend.........20 percent drier. * Wind (20 ft) * Slope/valley.........Southeast winds 10 to 20 mph. * Ridgetop.............South 10 to 20 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. .THURSDAY... * Sky/weather...........Partly sunny in the morning then clearing. Isolated showers and thunderstorms. * Max temperature.......92-97. * 24 hr trend.........5 degrees cooler. * Min humidity..........19-24 percent. * 24 hr trend.........8 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 10 to 20 mph. * Ridgetop.............West 5 to 15 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................10 percent. * Haines index..........4. .THURSDAY NIGHT... * Sky/weather...........Mostly clear. Isolated showers and thunderstorms in the evening. * Min temperature.......63-68. * 24 hr trend.........5 degrees cooler. * Max humidity..........63-68 percent. * 24 hr trend.........15 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 15 mph. * Ridgetop.............West 5 to 15 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................Less than 10 percent. .FRIDAY... * Sky/weather...........Sunny. Isolated showers and thunderstorms in the afternoon. * Max temperature.......92-97. * 24 hr trend.........Unchanged. * Min humidity..........17-22 percent. * 24 hr trend.........2 percent drier. * Wind (20 ft) * Slope/valley.........Northwest winds 5 to 15 mph. * Ridgetop.............South 5 to 15 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................Less than 10 percent. * Haines index..........5. .Forecast days 3 through 7...... .FRIDAY NIGHT...Partly cloudy. Isolated showers and thunderstorms. Lows 62 to 67. Northeast winds 5 to 10 mph. .SATURDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 58 to 63. Highs 88 to 93. North winds 5 to 15 mph. .SUNDAY...Mostly clear. Isolated showers and thunderstorms. Lows 58 to 63. Highs 85 to 90. East winds 5 to 15 mph. .MONDAY...Mostly clear. Lows 61 to 66. Highs 86 to 91. East winds 5 to 10 mph. .TUESDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 61 to 66. Highs 92 to 97. .WEDNESDAY...Sunny. Highs 89 to 94. $$ MTZ132-231015- Custer County- 216 PM MDT Wed Jul 22 2020 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......67-72. * 24 hr trend.........9 degrees warmer. * Max humidity..........60-65 percent. * 24 hr trend.........19 percent drier. * Wind (20 ft) * Plains...............Southeast winds 10 to 20 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. .THURSDAY... * Sky/weather...........Partly sunny. Isolated showers and thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon. * Max temperature.......89-94. * 24 hr trend.........4 degrees cooler. * Min humidity..........27-32 percent. * 24 hr trend.........6 percent wetter. * Wind (20 ft) * Plains...............South winds 10 to 20 mph. * LAL...................3...9 to 15 strikes/15 min/cell. * CWR...................10 percent. * Haines index..........4. .THURSDAY NIGHT... * Sky/weather...........Mostly clear. Isolated showers and thunderstorms in the evening. * Min temperature.......62-67. * 24 hr trend.........5 degrees cooler. * Max humidity..........68-73 percent. * 24 hr trend.........8 percent wetter. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................Less than 10 percent. .FRIDAY... * Sky/weather...........Sunny. Isolated showers and thunderstorms in the afternoon. * Max temperature.......88-93. * 24 hr trend.........1 degree cooler. * Min humidity..........26-31 percent. * 24 hr trend.........1 percent drier. * Wind (20 ft) * Plains...............West winds 5 to 10 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................Less than 10 percent. * Haines index..........5. .Forecast days 3 through 7...... .FRIDAY NIGHT...Partly cloudy. Scattered showers and thunderstorms. Lows 61 to 66. East winds 5 to 10 mph. .SATURDAY...Mostly clear. Scattered showers and thunderstorms. Lows 56 to 61. Highs 85 to 90. North winds 5 to 10 mph. .SUNDAY...Mostly clear. Isolated showers and thunderstorms. Lows 56 to 61. Highs 79 to 84. East winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 57 to 62. Highs 82 to 87. East winds 5 to 10 mph. .TUESDAY...Mostly clear. Lows 61 to 66. Highs 87 to 92. .WEDNESDAY...Sunny. Highs 85 to 90. $$ MTZ133-231015- Sioux Ranger District Custer National Forest- 216 PM MDT Wed Jul 22 2020 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......65-70. * 24 hr trend.........6 degrees warmer. * Max humidity..........76-81 percent. * 24 hr trend.........3 percent drier. * Wind (20 ft) * Plains...............Southeast winds 10 to 20 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. .THURSDAY... * Sky/weather...........Partly sunny. Isolated showers and thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon. * Max temperature.......94-99. * 24 hr trend.........1 degree warmer. * Min humidity..........27-32 percent. * 24 hr trend.........1 percent wetter. * Wind (20 ft) * Plains...............South winds 10 to 20 mph. * LAL...................3...9 to 15 strikes/15 min/cell. * CWR...................20 percent. * Haines index..........4. .THURSDAY NIGHT... * Sky/weather...........Mostly clear. * Min temperature.......62-67. * 24 hr trend.........3 degrees cooler. * Max humidity..........66-71 percent. * 24 hr trend.........10 percent drier. * Wind (20 ft) * Plains...............West winds 5 to 15 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. .FRIDAY... * Sky/weather...........Mostly sunny. * Max temperature.......92-97. * 24 hr trend.........2 degrees cooler. * Min humidity..........30-35 percent. * 24 hr trend.........3 percent wetter. * Wind (20 ft) * Plains...............Northwest winds 5 to 15 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. * Haines index..........4. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly cloudy. Isolated showers and thunderstorms. Lows 61 to 66. Northeast winds 5 to 10 mph. .SATURDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 57 to 62. Highs 90 to 95. North winds 5 to 15 mph. .SUNDAY...Partly cloudy. Scattered showers and thunderstorms. Lows 55 to 60. Highs 82 to 87. East winds 5 to 15 mph. .MONDAY...Mostly clear. Lows 56 to 61. Highs 84 to 89. East winds 5 to 15 mph. .TUESDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 59 to 64. Highs 89 to 94. .WEDNESDAY...Sunny. Highs 88 to 93. $$ WYZ274-231015- Sheridan County- 216 PM MDT Wed Jul 22 2020 .Tonight... * Sky/weather...........Mostly clear in the evening then becoming mostly cloudy. * Min temperature.......66-71. * 24 hr trend.........11 degrees warmer. * Max humidity..........49-54 percent. * 24 hr trend.........21 percent drier. * Wind (20 ft) * Slope/valley.........South winds 5 to 15 mph. * Ridgetop.............South 10 to 20 mph. * LAL...................1...no thunderstorms. * CWR...................Zero. .THURSDAY... * Sky/weather...........Mostly sunny. Isolated showers and thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon. * Max temperature.......93-98. * 24 hr trend.........4 degrees cooler. * Min humidity..........20-25 percent. * 24 hr trend.........7 percent wetter. * Wind (20 ft) * Slope/valley.........West winds 5 to 15 mph. * Ridgetop.............West 5 to 15 mph. * LAL...................3...9 to 15 strikes/15 min/cell. * CWR...................10 percent. * Haines index..........4. .THURSDAY NIGHT... * Sky/weather...........Partly cloudy. Scattered showers and thunderstorms in the evening. * Min temperature.......58-63. * 24 hr trend.........8 degrees cooler. * Max humidity..........67-72 percent. * 24 hr trend.........18 percent wetter. * Wind (20 ft) * Slope/valley.........Southwest winds 5 to 15 mph. * Ridgetop.............West 5 to 15 mph. * LAL...................3...9 to 15 strikes/15 min/cell. * CWR...................Less than 10 percent. .FRIDAY... * Sky/weather...........Mostly sunny. Isolated showers and thunderstorms in the afternoon. * Max temperature.......93-98. * 24 hr trend.........Unchanged. * Min humidity..........16-21 percent. * 24 hr trend.........4 percent drier. * Wind (20 ft) * Slope/valley.........Southeast winds 5 to 10 mph. * Ridgetop.............Southwest 5 to 10 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................Less than 10 percent. * Haines index..........5. .Forecast days 3 through 7...... .FRIDAY NIGHT...Partly cloudy. Isolated showers and thunderstorms. Lows 58 to 63. West winds 5 to 10 mph. .SATURDAY...Mostly clear. Scattered showers and thunderstorms. Lows 53 to 58. Highs 89 to 94. Northwest winds 5 to 10 mph. .SUNDAY...Mostly clear. Isolated showers and thunderstorms. Lows 54 to 59. Highs 86 to 91. Southeast winds 5 to 10 mph. .MONDAY...Mostly clear. Lows 56 to 61. Highs 88 to 93. East winds 5 to 10 mph. .TUESDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 57 to 62. Highs 92 to 97. .WEDNESDAY...Mostly sunny. Isolated showers and thunderstorms. Highs 91 to 96. $$ WYZ284-231015- Bighorn National Forest- 216 PM MDT Wed Jul 22 2020 .Tonight... * Sky/weather...........Mostly cloudy. Isolated showers and thunderstorms overnight. * Min temperature.......56-61. * 24 hr trend.........10 degrees warmer. * Max humidity..........52-57 percent. * 24 hr trend.........17 percent drier. * Wind (20 ft) * At Burgess Jct.......South winds 5 to 15 mph. * LAL...................2...1 to 8 strikes/15 min/cell. * CWR...................Less than 10 percent. .THURSDAY... * Sky/weather...........Partly sunny with scattered showers and thunderstorms. * Max temperature.......73-78. * 24 hr trend.........5 degrees cooler. * Min humidity..........30-35 percent. * 24 hr trend.........10 percent wetter. * Wind (20 ft) * At Burgess Jct.......Southwest winds 5 to 15 mph. * LAL...................3...9 to 15 strikes/15 min/cell. * CWR...................20 percent. * Haines index..........4. .THURSDAY NIGHT... * Sky/weather...........Partly cloudy. Scattered showers and thunderstorms in the evening, then isolated showers and thunderstorms overnight. * Min temperature.......47-52. * 24 hr trend.........9 degrees cooler. * Max humidity..........67-72 percent. * 24 hr trend.........15 percent wetter. * Wind (20 ft) * At Burgess Jct.......Southwest winds 5 to 15 mph. * LAL...................3...9 to 15 strikes/15 min/cell. * CWR...................20 percent. .FRIDAY... * Sky/weather...........Mostly sunny. Scattered showers and thunderstorms in the afternoon. * Max temperature.......74-79. * 24 hr trend.........1 degree warmer. * Min humidity..........20-25 percent. * 24 hr trend.........10 percent drier. * Wind (20 ft) * At Burgess Jct.......Southwest winds 5 to 15 mph. * LAL...................3...9 to 15 strikes/15 min/cell. * CWR...................20 percent. * Haines index..........5. .Forecast days 3 through 7...... .FRIDAY NIGHT...Partly cloudy. Scattered showers and thunderstorms. Lows 46 to 51. Southwest winds 5 to 10 mph. .SATURDAY...Mostly clear. Scattered showers and thunderstorms. Lows 42 to 47. Highs 71 to 76. West winds 5 to 15 mph. .SUNDAY...Mostly clear. Isolated showers and thunderstorms. Lows 43 to 48. Highs 69 to 74. South winds 5 to 15 mph. .MONDAY...Mostly clear. Lows 45 to 50. Highs 71 to 76. Northeast winds 5 to 15 mph. .TUESDAY...Partly cloudy. Isolated showers and thunderstorms. Lows 46 to 51. Highs 74 to 79. .WEDNESDAY...Mostly sunny. Isolated showers and thunderstorms. Highs 71 to 76. $$ weather.gov/billings