


Suppression Forecast
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
334 FNUS75 KRIW 261129 FWSRIW Spot Forecast for Horse...USFS National Weather Service Riverton WY 529 AM MDT Sat Jul 26 2025 Forecast is based on forecast start time of 0600 MDT on July 26. If conditions become unrepresentative, contact the National Weather Service .DISCUSSION... Today will be another warm and mainly dry day. A weak weather system will move trough the area and may bring a shower or thunderstorm, mainly between 1200 and 1800. The chance is only 1 out of 6. However, little rain is expected with any shower or storm. Any shower or storm could have wind gusts past 40 mph. Relative humidity and temperatures will be similar to yesterdays values. A southwest breeze will develop after 1100 with gusts to 18 mph possible. Mixing and smoke dispersal will be become excellent after morning inversions break between 0900 and 1100. The next decent chance of a wetting rain looks to be on Wednesday. ...Thunderstorms imply strong gusty and erratic winds... .TODAY... Sky/weather.........Partly sunny (55-65 percent). Slight chance of showers and thunderstorms in the afternoon. CWR.................0 percent. Chance of pcpn......20 percent. Chance of thunder...15 percent. Max temperature.....Around 72. Min humidity........16 percent. Wind (20 ft)........Light winds until 1100, then southwest 8 to 12 mph with gusts to 18 mph. Gusty and erratic winds expected near thunderstorms in the afternoon. Ridgetop wind.......Southwest 10 to 15 mph. Mixing height.......1500 ft AGL until 1000, increasing to 11550 ft AGL by 1200. Transport winds.....Southwest 9 to 16 mph. Smoke dispersal.....Poor until 1000, becoming excellent by 1200. TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........60 70 55 55 60 60 65 65 70 70 60 50 Weather cov..... SCH SCH SCH SCH SCH Weather type.... RW RW RW RW RW Tstm cov........ SCH SCH SCH SCH SCH CWR.............0 0 0 0 0 0 0 0 0 0 0 0 Chc of pcpn (%).0 0 0 0 0 10 10 20 20 20 20 20 Chc of thdr (%).0 0 0 0 0 0 10 20 20 20 20 20 Temp............48 47 53 60 66 69 71 72 72 72 70 71 RH..............35 40 34 26 20 18 16 17 18 20 22 21 20 FT wind dir..W SW SW SW SW SW SW SW SW SW SW SW 20 FT wind spd..4 4 4 4 5 6 7 9 11 11 12 11 20 FT wind gust.6 6 6 6 7 10 11 13 16 16 18 16 Ridge wind dir..W SW SW SW SW SW SW SW SW SW SW SW Ridge wind spd..10 10 10 10 10 15 15 15 15 15 15 15 Mix hgt (kft)...0.5 0.5 0.5 1.5 6.5 10 12 12 12 11 11 8.5 Transp wind dir.SW SW SW S SW SW SW SW S SW SW SW Transp wind spd.9 9 9 9 12 14 14 15 16 15 15 15 SDspl kt-ft/10005 5 5 13 65 119 138 148 158 136 138 109 .TONIGHT... Sky/weather.........Mostly clear (20-30 percent). CWR.................0 percent. Chance of pcpn......10 percent. Chance of thunder...5 percent. Min temperature.....Around 47. Max humidity........32 percent. Wind (20 ft)........Southwest winds around 8 mph until 1900, then light. Ridgetop wind.......Southwest 10 to 15 mph. Mixing height.......5500 ft AGL until 2000, then 500 ft AGL. Transport winds.....Southwest 9 to 15 mph. Smoke dispersal.....Good until 2000, then poor. TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........40 35 30 25 15 10 5 10 15 20 15 15 Weather cov..... Weather type.... Tstm cov........ CWR.............0 0 0 0 0 0 0 0 0 0 0 0 Chc of pcpn (%).10 10 10 0 0 0 0 0 0 0 0 0 Chc of thdr (%).10 10 10 0 0 0 0 0 0 0 0 0 Temp............68 67 66 61 56 53 51 51 50 50 48 48 RH..............26 26 27 30 32 32 31 30 29 28 27 26 20 FT wind dir..SW SW SW SW W SW SW SW SW SW SW SW 20 FT wind spd..8 6 6 5 5 5 5 5 4 4 4 4 20 FT wind gust.12 10 8 7 7 7 7 7 6 6 6 6 Ridge wind dir..SW SW SW SW W SW SW SW SW SW SW SW Ridge wind spd..15 15 10 10 10 10 10 10 10 10 10 10 Mix hgt (kft)...7.0 5.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 Transp wind dir.SW SW SW W SW SW SW S S S SW SW Transp wind spd.15 13 12 10 10 10 10 10 9 10 10 9 SDspl kt-ft/100094 62 7 5 5 5 5 5 5 5 5 5 .SUNDAY... Sky/weather.........Sunny (5-15 percent). CWR.................0 percent. Chance of pcpn......0 percent. Chance of thunder...0 percent. Max temperature.....Around 73. Min humidity........15 percent. Wind (20 ft)........Light winds until 1100, then southwest 7 to 9 mph with gusts to around 14 mph. Ridgetop wind.......Southwest 10 to 15 mph. Mixing height.......1000 ft AGL until 0900. 11000 ft AGL after 1200. Transport winds.....Southwest 10 to 18 mph until 1200, then 20 to 21 mph. Smoke dispersal.....Poor until 0900. Excellent after 1300. TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........15 15 5 5 5 5 5 5 10 10 10 15 Weather cov..... Weather type.... Tstm cov........ CWR.............0 0 0 0 0 0 0 0 0 0 0 0 Chc of pcpn (%).0 0 0 0 0 0 0 0 0 0 0 0 Chc of thdr (%).0 0 0 0 0 0 0 0 0 0 0 0 Temp............47 49 53 59 64 67 70 72 73 73 73 72 RH..............26 26 26 23 21 19 17 16 15 15 15 15 20 FT wind dir..SW SW SW S S S SW SW SW SW SW SW 20 FT wind spd..5 5 5 5 6 7 8 9 9 9 9 9 20 FT wind gust.7 7 7 7 8 11 13 14 14 14 14 14 Ridge wind dir..SW SW SW S S S SW SW SW SW SW SW Ridge wind spd..10 10 10 10 10 15 15 15 15 15 15 15 Mix hgt (kft)...0.5 0.5 1.0 2.5 6.0 8.0 11 11 11 11 11 11 Transp wind dir.SW SW S S S S S SW SW SW SW SW Transp wind spd.10 10 10 12 17 18 20 20 21 21 21 20 SDspl kt-ft/10005 5 8 23 88 129 176 180 195 200 197 183 .FORECAST DAYS 3 THROUGH 5... .MONDAY... Mostly clear. Lows in the upper 40s. Highs in the upper 70s. Light winds. .TUESDAY... Mostly clear. Lows around 50. Highs in the mid 70s. Light winds. .WEDNESDAY... Partly cloudy. Chance of showers and thunderstorms. Lows around 50. Highs in the lower 70s. South winds around 7 mph. $$ Forecaster...Hattings Requested by...Jacob Noren Type of request...WILDFIRE .TAG 2518019.11/RIW .DELDT 07/26/25 .FormatterVersion 2.0.0 .EMAIL jacob.noren@usda.gov