854 FNUS75 KCYS 082217 FWSCYS Spot Forecast for Green Ridge...Medicine Bow National Forest National Weather Service Cheyenne WY 417 PM MDT Mon Sep 8 2025 If conditions become unrepresentative, contact the National Weather Service at (307) 772-2227 .DISCUSSION... ...Put discussion text here... Winds will continue to be from the northwest at 15 to 20 mph with gusts up to 30-40 mph. Shortly after 6pm winds will continue being from the northwest at 10 to 15 mph but the wind gusts will drop off. Light showers may move over the area from the West-Northwest but little rain is expected from these showers. Wind gusts from these showers may briefly gust between 40 to 50 mph under these showers. There is a signal for a nocturnal inversion setting up tonight leading to poor smoke dispersal and winds under 10 mph. Tuesday, heavier rain showers are expected in the afternoon after 2pm near the Northern Laramie range. There is a slight chance for these showers to produce lightning as more energy is put into the atmosphere. RH values are expected to range between 20 to 25 percent on Tuesday. .REST OF TODAY... Sky/weather.........Partly sunny (60-70 percent). CWR.................0 percent. LAL................. Max temperature.....Around 80. Min humidity........19 percent. Wind (20 ft)........Northwest winds around 10 mph. Mixing height.......10200 ft AGL. Transport winds.....Northwest around 23 mph. Smoke dispersal.....Excellent (203200 knot-ft). Haines Index........MISSING. TIME (MDT) 5PM Sky (%).........63 Weather cov..... Weather type.... Tstm cov........ CWR.............0 LAL.............M Temp............78 RH..............19 20 FT wind dir..NW 20 FT wind spd..10 20 FT wind gust.21 Mix hgt (kft)...10 Transp wind dir.NW Transp wind spd.23 Haines index....M SDspl kt-ft/1000203 .TONIGHT... Sky/weather.........Mostly cloudy (50-60 percent) then becoming partly cloudy (30-40 percent). CWR.................1 percent. LAL................. Min temperature.....Around 55. Max humidity........47 percent. Wind (20 ft)........Northwest winds 6 to 9 mph shifting to the west around 5 mph late in the evening, then becoming light late in the evening becoming southwest around 5 mph overnight becoming light becoming southwest around 5 mph after 3 am. Mixing height.......300 ft AGL. Transport winds.....Northwest 10 to 18 mph shifting to the west 7 to 9 mph in the late evening and overnight. Smoke dispersal.....Good (99700 knot-ft) early in the evening decreasing to poor (2100 knot-ft) late in the night. Haines Index........MISSING. TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........61 53 44 36 30 32 37 28 24 26 29 38 Weather cov..... Weather type.... Tstm cov........ CWR.............0 0 0 0 0 0 0 0 0 0 0 0 LAL.............M M M M M M M M M M M M Temp............78 73 68 66 65 63 63 62 61 60 58 57 RH..............19 25 29 32 33 35 35 35 38 37 40 43 20 FT wind dir..NW NW W W W SW SW SW SW SW SW SW 20 FT wind spd..9 7 6 5 3 3 3 5 3 5 5 5 20 FT wind gust.20 15 13 10 8 9 9 8 9 9 9 9 Mix hgt (kft)...6.2 0.9 0.5 0.4 0.5 0.4 0.4 0.4 0.3 0.4 0.3 0.3 Transp wind dir.NW NW NW W W W W W W W W W Transp wind spd.18 13 12 10 8 9 9 8 8 7 8 7 Haines index....M M M M M M M M M M M M SDspl kt-ft/1000100 10 5 4 3 3 3 3 2 2 2 2 .TUESDAY... Sky/weather.........Mostly sunny (40-50 percent). Chance of rain showers in the afternoon. Slight chance of thunderstorms late in the afternoon. CWR.................6 percent. LAL................. Max temperature.....Around 78. Min humidity........25 percent. Wind (20 ft)........West winds around 5 mph early in the morning becoming light, then becoming southwest around 5 mph late in the morning shifting to the southeast 6 to 7 mph. Gusty and erratic winds expected near thunderstorms late in the afternoon. Mixing height.......8300 ft AGL increasing to 10500 ft AGL in the afternoon. Transport winds.....Southwest 6 to 8 mph shifting to the south 5 to 14 mph in the late morning and afternoon. Smoke dispersal.....Poor (1600 knot-ft) early in the morning increasing to good (94100 knot-ft) in the afternoon. Haines Index........MISSING. TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........37 43 30 35 28 25 35 46 51 64 69 63 Weather cov..... CHC CHC CHC CHC CHC CHC Weather type.... RW RW RW RW RW RW Tstm cov........ SCH SCH SCH CWR.............0 0 0 0 0 0 10 10 10 10 10 10 LAL.............M M M M M M M M M M M M Temp............57 56 60 65 70 72 75 76 76 77 76 75 RH..............43 47 41 37 32 31 28 26 26 25 27 29 20 FT wind dir..W W W W SW SE E SE SE SE S S 20 FT wind spd..5 5 3 3 5 6 7 7 7 7 7 7 20 FT wind gust.9 8 7 6 7 9 12 14 15 15 16 15 Mix hgt (kft)...0.3 0.3 0.3 0.9 1.8 3.6 8.3 11 10 8.3 8.1 6.6 Transp wind dir.W W SW S S S SW SW SW SW S S Transp wind spd.8 8 6 5 6 8 9 10 10 12 12 14 Haines index....M M M M M M M M M M M M SDspl kt-ft/10002 2 2 4 9 25 66 94 93 83 82 79 $$ Forecaster...McLaughlin Requested by...Lee Burke Type of request...WILDFIRE .TAG 2521587.0/CYS .DELDT 09/08/25 .FormatterVersion 2.0.0 .EMAIL wycpc@firenet.gov