![National Oceanic and Atmospheric Administration](/build/images/header/noaa.d87e0251.png)
![National Weather Service](/build/images/header/nws.4e6585d8.png)
![United States Department of Commerce](/build/images/header/doc.b38ba91a.png)
Spot Forecast
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
110 FNUS75 KRIW 061128 FWSRIW Spot Forecast for Horsecreek Fire...USFS National Weather Service Riverton WY 528 AM MDT Sat Jul 6 2024 Forecast is based on forecast start time of 0600 MDT on July 06. If conditions become unrepresentative, contact the National Weather Service .DISCUSSION... Winds will be gusty today and will start early. Winds will be generally from the west through the day, running 15 to 20 mph, with gusts 25 to 30 mph after 1300. Humidity will hover around 30 percent most of the afternoon, which will continue into the evening. Skies will remain mostly sunny. A brief shower is not out of the question, but chances are very low and limited to after 1600. Winds will remain gusty through the evening, before becoming downslope around 5mph after 0100. Humidity recovery will only reach 60 percent just before dawn. Sunday will see light upslope flow under 5mph through 1200, then west winds will again increase to 10 to 15 mph, with gusts around 20 mph in the afternoon. Conditions will not be quite as dry, with humidity staying above 30 percent through the day. Skies remain mostly sunny. ...Thunderstorms imply strong gusty and erratic winds... ...Haines index is high level haines both day and night... .TODAY... Sky/weather.........Sunny (0-10 percent). CWR.................0 percent. Chance of pcpn......10 percent. LAL.................1. Max temperature.....Around 61. Min humidity........25 percent. Wind (20 ft)........Light winds until 0800. Winds west 15 to 20 mph with gusts to around 25 mph after 1300. Ridgetop wind.......Northwest 10 to 15 mph until 1000. West 25 to 30 mph after 1600. Mixing height.......8000 ft AGL after 1500. Transport winds.....Northwest 12 to 21 mph until 1200, then west 23 to 28 mph. Smoke dispersal.....Poor until 0900. Excellent after 1600. Haines Index........3 to 4. TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........5 5 0 0 0 5 5 5 5 5 5 10 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 10 LAL.............1 1 1 1 1 1 1 1 1 1 1 1 Temp............42 43 47 49 51 53 55 57 57 59 59 60 RH..............48 49 45 44 39 35 32 33 33 28 27 25 20 FT wind dir..NW NW W W W W W W W W W W 20 FT wind spd..6 6 7 8 11 13 15 17 17 17 18 17 20 FT wind gust.10 11 12 14 17 18 22 23 24 25 25 25 Ridge wind dir..NW NW W W W W W W W W W W Ridge wind spd..10 15 15 15 20 20 25 25 25 25 30 25 Mix hgt (kft)...0.1 0.1 0.1 1.0 3.0 4.5 5.0 6.0 6.5 7.0 7.5 8.0 Transp wind dir.NW NW W W W W W W W W W W Transp wind spd.12 13 14 15 18 21 23 25 26 26 28 26 Haines index....3 3 3 3 3 3 4 4 4 4 4 4 SDspl kt-ft/10000 0 0 15 48 78 100 130 155 163 180 183 .TONIGHT... Sky/weather.........Partly cloudy (25-35 percent) then becoming mostly clear (5-15 percent). CWR.................0 percent. Chance of pcpn......10 percent. LAL.................1. Min temperature.....Around 40. Max humidity........60 percent. Wind (20 ft)........West winds 8 to 17 mph with gusts to around 24 mph until 2400, then light downslope. Ridgetop wind.......West 20 to 25 mph until 2200, then around 15 mph until 2400, then north. Mixing height.......8000 ft AGL until 1900. Transport winds.....West 17 to 26 mph until 2300, then northwest 12 to 15 mph. Smoke dispersal.....Excellent until 1900. Poor after 2000. Haines Index........4 to 5. TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........15 20 35 40 45 25 20 15 15 10 5 10 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 10 10 10 0 0 0 0 0 0 LAL.............1 1 1 1 1 1 1 1 1 1 1 1 Temp............60 59 58 53 51 50 49 47 45 45 43 42 RH..............26 28 30 36 39 39 39 43 47 47 53 55 20 FT wind dir..W W W W W NW N N N N N N 20 FT wind spd..17 15 13 11 10 8 7 6 6 6 6 6 20 FT wind gust.24 22 19 17 16 12 11 10 10 10 10 10 Ridge wind dir..W W W W W NW N N N N N N Ridge wind spd..25 25 20 20 15 15 15 15 10 10 10 10 Mix hgt (kft)...8.0 6.0 0.5 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 Transp wind dir.W W W W W NW N N N NW N N Transp wind spd.26 23 21 18 17 15 14 13 12 12 12 12 Haines index....5 5 5 5 5 5 4 4 4 4 4 4 SDspl kt-ft/1000179 116 10 0 0 0 0 0 0 0 0 0 .SUNDAY... Sky/weather.........Sunny (5-15 percent). CWR.................0 percent. Chance of pcpn......10 percent. LAL.................1. Max temperature.....Around 60. Min humidity........33 percent. Wind (20 ft)........Light winds until 1200, then northwest 8 to 11 mph. Gusts up to 21 mph. Ridgetop wind.......Northeast around 10 mph until 1200, then northwest 15 to 20 mph. Mixing height.......6500 ft AGL after 1400. Transport winds.....North 9 to 12 mph until 1200, then northwest 15 to 18 mph. Smoke dispersal.....Poor until 0900. Good early in the morning increasing to very good in the afternoon after 1500. Haines Index........3 to 4. TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........10 10 5 0 10 15 10 5 5 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 10 10 10 10 10 LAL.............1 1 1 1 1 1 1 1 1 1 1 1 Temp............41 43 46 48 50 51 53 55 56 58 58 59 RH..............59 60 55 56 52 48 43 38 35 33 33 33 20 FT wind dir..NE N N E E N NW NW NW NW NW NW 20 FT wind spd..6 6 5 6 5 4 8 11 11 11 11 11 20 FT wind gust.10 10 10 10 11 13 14 14 16 17 17 17 Ridge wind dir..NE N N E E N NW NW NW NW NW NW Ridge wind spd..10 10 10 10 10 10 15 20 20 20 20 20 Mix hgt (kft)...0.1 0.1 0.1 1.5 3.0 3.5 4.5 5.0 6.0 6.5 6.5 6.0 Transp wind dir.NE N N N N N NW NW N N N N Transp wind spd.12 12 10 12 10 9 15 18 18 18 18 18 Haines index....3 3 3 3 3 3 4 4 4 4 4 4 SDspl kt-ft/10000 0 2 16 26 30 60 84 94 104 102 100 .FORECAST DAYS 3 THROUGH 5... .MONDAY... Mostly clear. Lows in the lower 40s. Highs in the mid 60s. Southwest winds around 7 mph. .TUESDAY... Mostly clear. Lows in the mid 40s. Highs in the upper 60s. Light winds. .WEDNESDAY... Mostly clear. Lows in the upper 40s. Highs in the lower 70s. Southwest winds around 8 mph. $$ Forecaster...Straub Requested by...Matthew Bell Type of request...WILDFIRE .TAG 2417316.10/RIW .DELDT 07/06/24 .FormatterVersion 2.0.0 .EMAIL matthew_bell2@usda.gov