


Suppression Forecast
Issued by NWS Cheyenne, WY
Issued by NWS Cheyenne, WY
579 FNUS75 KCYS 050034 FWSCYS Spot Forecast for Beaver Dam...Casper Dispatch National Weather Service Cheyenne WY 634 PM MDT Fri Jul 4 2025 If conditions become unrepresentative, contact the National Weather Service at (307) 772-2227 .DISCUSSION... Westerly flow aloft will prevail, with isolated to widely scattered showers and thunderstorms until 900 PM this evening, producing gusty and erratic winds, but little if any rainfall. Saturday will be nearly cloud free with dry conditions, and relatively light winds. .REST OF TONIGHT... Sky/weather.........Partly cloudy (35-45 percent). Slight chance of thunderstorms early in the evening. Slight chance of rain showers in the evening. CWR.................5 percent. LAL................. Min temperature.....Around 45. Max humidity........76 percent. Wind (20 ft)........Southwest winds 5 to 10 mph shifting to the south early in the morning. Gusty and erratic winds expected near thunderstorms early in the evening. Mixing height.......400 ft AGL. Transport winds.....Southwest 12 to 20 mph decreasing to 7 to 10 mph in the late evening and overnight. Smoke dispersal.....Fair (44100 knot-ft) early in the evening decreasing to poor (2500 knot-ft) late in the night. Haines Index........MISSING. TIME (MDT) 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P 11P Sky (%).........41 41 37 37 37 34 34 34 38 38 38 Weather cov.....SCH SCH SCH SCH SCH Weather type....RW RW RW RW RW Tstm cov........SCH SCH CWR.............10 10 10 10 10 0 0 0 0 0 0 LAL.............M M M M M M M M M M M Temp............62 58 55 52 51 50 48 47 47 46 46 RH..............43 49 57 63 66 68 74 76 74 73 71 20 FT wind dir..W W SW W W W W SW S S S 20 FT wind spd..10 8 7 7 6 6 5 5 5 5 5 20 FT wind gust.17 15 13 12 10 9 9 8 8 8 9 Mix hgt (kft)...3.6 0.9 0.5 0.5 0.5 0.4 0.4 0.4 0.4 0.4 0.5 Transp wind dir.W SW SW SW SW SW S S SW S S Transp wind spd.20 12 10 9 8 7 7 8 7 9 9 Haines index....M M M M M M M M M M M SDspl kt-ft/100044 13 5 4 3 3 3 3 3 4 3 .SATURDAY... Sky/weather.........Sunny (15-25 percent). CWR.................4 percent. LAL................. Max temperature.....Around 72. Min humidity........20 percent. Wind (20 ft)........Southwest winds 6 to 10 mph shifting to the west around 10 mph late in the afternoon. Mixing height.......10200 ft AGL. Transport winds.....Southwest 8 to 17 mph shifting to the west 20 to 22 mph in the afternoon. Smoke dispersal.....Poor (3600 knot-ft) early in the morning increasing to good (98800 knot-ft) in the afternoon increasing to very good (105000 knot-ft) early in the morning increasing to excellent (152600 knot-ft) in the afternoon in the afternoon. Haines Index........MISSING. TIME (MDT) MID 1AM 2AM 3AM 4AM 5AM 6AM 7AM 8AM 9AM 10A 11A Sky (%).........17 17 17 9 9 9 27 27 27 32 32 32 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............45 48 53 59 66 68 68 70 71 71 72 70 RH..............73 65 54 45 34 31 29 26 24 22 20 22 20 FT wind dir..S S SW SW SW SW SW SW W W W W 20 FT wind spd..6 6 6 7 7 8 9 10 10 10 10 10 20 FT wind gust.9 10 10 12 13 15 17 18 18 18 18 18 Mix hgt (kft)...0.5 0.8 2.1 3.8 5.4 8.1 9.6 9.6 9.7 10 8.6 8.8 Transp wind dir.S S SW W W W W W W W W W Transp wind spd.9 8 8 14 15 17 20 21 21 21 22 22 Haines index....M M M M M M M M M M M M SDspl kt-ft/10004 7 16 43 64 99 133 152 153 143 132 105 $$ Forecaster...Rubin Requested by...Casper Dispatch Type of request...WILDFIRE .TAG 2517355.0/CYS .DELDT 07/04/25 .FormatterVersion 2.0.0 .EMAIL wycpc@firenet.gov