Spot Forecast
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
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072 FNUS75 KRIW 171057 FWSRIW Spot Forecast for Leeds Creek...Teton Interagency Dispatch Center National Weather Service Riverton WY 457 AM MDT Sat Aug 17 2024 Forecast is based on forecast start time of 0600 MDT on August 17. If conditions become unrepresentative, contact the National Weather Service .DISCUSSION... Today will be a little warmer and drier for most of the day. However, a surge of monsoonal moisture will arrive around 1800, bringing wind and a chance of showers and thunderstorms. Expect a sudden wind increase gusting up to 30 mph out of the south or southwest when this arrives. Any showers or storms will end between 2200 and midnight, with winds becoming lighter overnight. Humidity recovery will be excellent tonight. Shower and thunderstorms chances return Sunday afternoon. These will have a slightly better chance of producing a wetting rain. ...Thunderstorms imply strong gusty and erratic winds... ...Haines index is high level haines both day and night... .TODAY... Sky/weather.........Sunny (10-20 percent) then becoming partly sunny (65-75 percent). CWR.................0 percent. Chance of pcpn......10 percent. LAL.................1. Max temperature.....Around 73. Min humidity........18 percent. Wind (20 ft)........Light winds until 1000, then southwest 8 to 11 mph with gusts to around 16 mph. Ridgetop wind.......Southeast 10 to 15 mph until 1100, then southwest 15 to 20 mph. Mixing height.......100 ft AGL increasing to over 10000 ft AGL by 1500. Transport winds.....South 10 to 15 mph until 1100, then southwest 16 to 22 mph. Smoke dispersal.....Poor increasing to excellent after 1200. Haines Index........5 to 6. TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........5 5 5 5 5 5 5 5 25 60 70 75 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............44 45 50 57 62 66 68 70 71 72 71 69 RH..............49 50 46 36 30 25 22 21 21 21 21 23 20 FT wind dir..SE SE SE S S SW SW SW SW SW SW SW 20 FT wind spd..5 5 5 6 8 8 10 11 10 10 10 9 20 FT wind gust.6 6 6 7 12 12 14 16 14 14 14 13 Ridge wind dir..SE SE SE S S SW SW SW SW SW SW SW Ridge wind spd..10 10 10 10 15 15 15 20 15 15 15 15 Mix hgt (kft)...0.1 0.1 0.1 0.5 2.5 5.0 8.0 9.0 9.5 10 11 10 Transp wind dir.SE SE SE S S SW SW SW SW SW SW SW Transp wind spd.10 10 10 12 15 16 21 22 21 21 18 16 Haines index....5 5 5 5 5 5 6 6 6 6 6 6 SDspl kt-ft/10002 2 1 7 32 72 146 175 174 181 167 141 .TONIGHT... Sky/weather.........Mostly cloudy (80-90 percent) then becoming partly cloudy (40-50 percent). Scattered rain showers and isolated thunderstorms in the evening. CWR.................0 percent. Chance of pcpn......40 percent. LAL.................2 until 2100, then 1. Min temperature.....Around 43. Max humidity........94 percent. Wind (20 ft)........South winds 10 to 15 mph with gusts to around 25 mph until 2300, then light downslope/downvalley. Gusty and erratic wind expected near thunderstorms. Ridgetop wind.......South around 30 mph decreasing to 10 to 15 mph after 2000. Mixing height.......6000 ft AGL decreasing to 100 ft AGL by 2100. Transport winds.....South 16 to 23 mph until 2300, then 12 to 13 mph. Smoke dispersal.....Good decreasing to poor by 2000. Haines Index........4 decreasing to 2 overnight. TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........80 80 90 90 75 50 45 40 50 50 50 40 Weather cov.....SCT ISO SCT SCT ISO ISO Weather type....RW RW RW RW RW RW Tstm cov........ISO ISO ISO CWR.............0 0 0 0 0 0 0 0 0 0 0 0 Chc of pcpn (%).40 20 30 30 20 20 10 10 10 10 10 10 LAL.............2 2 2 1 1 1 1 1 1 1 1 1 Temp............65 60 56 52 50 48 47 46 45 45 44 44 RH..............29 49 54 67 75 80 88 90 92 93 93 93 20 FT wind dir..SW S S S S S S S S S S S 20 FT wind spd..15 13 12 10 9 6 6 6 6 6 6 6 20 FT wind gust.25 20 17 14 13 10 7 7 7 7 7 10 Ridge wind dir..S S S S S S S S S S S S Ridge wind spd..30 25 15 15 15 15 10 10 10 10 10 15 Mix hgt (kft)...6.0 2.5 1.0 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 Transp wind dir.SW S S S S S S S S S S S Transp wind spd.23 20 17 17 16 13 12 12 12 12 12 13 Haines index....4 4 4 4 4 4 2 2 2 2 2 2 SDspl kt-ft/100084 49 15 3 3 2 2 2 2 2 2 2 .FORECAST DAYS 2 THROUGH 5... .SUNDAY... Partly cloudy. Chance of showers and thunderstorms in the afternoon and evening. Lows in the lower 40s. Highs around 70. West wind 4 to 8 mph. .MONDAY... Partly cloudy. Showers likely and chance of thunderstorms. Lows in the mid 40s. Highs in the upper 60s. Light winds. .TUESDAY... Mostly clear. Slight chance of showers and thunderstorms. Lows in the mid 40s. Highs in the upper 60s. South winds around 7 mph. .WEDNESDAY... Mostly clear. Lows in the mid 40s. Highs in the upper 60s. South winds around 9 mph. $$ Forecaster...Myers Requested by...Wade Laster Type of request...WILDFIRE .TAG 2420417.0/RIW .DELDT 08/17/24 .FormatterVersion 2.0.0 .EMAIL wade_laster@usda.gov