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Spot Forecast
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
284 FNUS75 KRIW 261059 FWSRIW Spot Forecast for Monument Rx...USDA Forest Service National Weather Service Riverton WY 459 AM MDT Wed Jun 26 2024 Forecast is based on ignition time of 0500 MDT on June 26. If conditions become unrepresentative, contact the National Weather Service .DISCUSSION... Today will be slightly cooler with chances for showers and thunderstorms throughout the day. The best chances will be in the morning, but a few storms may redevelop in the area late this afternoon. Chances for a wetting rain remain low today, but any storm that does go directly over the unit could produce brief, heavy rainfall. Gusty outflow winds are possible near any shower or storm. Rain chances increase on Thursday, with around a 30 percent chance of a wetting rain. ...Thunderstorms imply strong gusty and erratic winds... ...Haines index is high level haines both day and night... .TODAY... Sky/weather.........Mostly cloudy (65-75 percent) then becoming mostly sunny (30-40 percent). Scattered showers in the morning. Isolated thunderstorms possible in the afternoon. CWR.................15 percent. Chance of pcpn......30 percent. LAL.................1 until 1200, then 2 until 1300, then 1. Max temperature.....Around 74. Min humidity........36 percent. Wind (20 ft)........Generally favoring out of the west or northwest through the day 4 to 8 mph. Gusty and erratic winds expected near any thunderstorms. Ridgetop wind.......South around 5 mph until 0800, then northwest 10 to 15 mph until 1400, then west 10 to 15 mph. Mixing height.......Around 500 ft AGL increasing to 8500 ft AGL by 1600. Transport winds.....South 7 to 9 mph until 0900 then southwest 15 to 20 mph. Smoke dispersal.....Poor increasing to excellent after 1500. Haines Index........3 to 4. TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........85 82 86 72 86 88 69 52 56 38 32 41 Weather cov.....ISO ISO SCT SCT SCT SCT SCT ISO ISO ISO Weather type....RW RW RW RW RW RW RW RW RW RW Tstm cov........ ISO ISO ISO ISO CWR.............0 5 5 10 10 10 10 5 5 5 5 5 Chc of pcpn (%).20 20 30 30 30 30 30 15 10 10 15 15 LAL.............1 1 1 1 1 1 2 2 2 1 1 1 Temp............56 57 58 60 63 63 64 67 69 71 72 73 RH..............53 53 45 47 45 46 46 41 39 38 37 36 20 FT wind dir..S SW NW NW N NW NW W S W W W 20 FT wind spd..2 2 4 7 5 6 7 6 4 6 7 8 20 FT wind gust. 6 10 6 10 10 7 6 7 10 12 Ridge wind dir..S SW NW NW N NW NW W S W W W Ridge wind spd..5 5 10 15 10 15 15 10 10 10 15 15 Mix hgt (kft)...0.1 0.1 0.5 2.0 2.0 3.0 4.0 5.5 5.5 8.0 8.5 8.0 Transp wind dir.S S SW W SW SW SW SW SW SW W W Transp wind spd.7 7 9 14 10 13 14 15 18 21 21 22 Haines index....4 4 4 4 4 4 3 3 3 3 3 3 SDspl kt-ft/10001 1 4 25 19 31 50 69 87 146 149 151 .TONIGHT... Sky/weather.........Partly cloudy. Isolated showers and thunderstorms overnight. CWR.................1 percent. Chance of pcpn......20 percent. LAL.................1 until 0200, then 2. Min temperature.....Around 52. Max humidity........72 percent. Wind (20 ft)........West 5 to 10 mph becoming light downslope/downvalley after 2200. Gusty and erratic winds expected near any thunderstorms. Ridgetop wind.......West 10 to 15 mph. Mixing height.......7500 ft AGL decreasing to below 500 ft AGL after 2100. Transport winds.....West 14 to 21 mph until 2100, then northwest around 9 mph until 2200, then southwest 7 to 12 mph. Smoke dispersal.....Becoming poor by 2100. Haines Index........3. TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........57 44 54 35 51 39 58 65 61 67 79 80 Weather cov..... ISO ISO Weather type.... RW RW Tstm cov........ ISO ISO CWR.............0 0 0 0 0 0 0 0 0 0 0 0 Chc of pcpn (%).10 10 10 10 10 10 10 10 20 10 10 20 LAL.............1 1 1 1 1 1 2 2 2 2 2 2 Temp............73 71 69 65 62 60 59 57 56 54 54 53 RH..............36 40 43 50 56 58 61 64 65 69 70 71 20 FT wind dir..W W W W NW W W W W NW W S 20 FT wind spd..7 9 7 4 6 3 3 3 2 4 3 4 20 FT wind gust.10 13 10 6 7 4 4 4 6 4 6 Ridge wind dir..W W W W NW W W W W NW W S Ridge wind spd..15 15 15 10 10 10 10 10 5 10 10 10 Mix hgt (kft)...7.5 5.0 1.0 0.1 0.1 0.1 0.1 0.1 0.5 0.1 0.1 0.1 Transp wind dir.W W W NW W SW W SW SW SW SW S Transp wind spd.21 16 14 9 12 8 8 8 7 9 8 9 Haines index....3 3 3 3 3 3 3 3 3 3 3 3 SDspl kt-ft/1000132 69 11 2 2 2 2 1 2 2 2 2 .THURSDAY... Sky/weather.........Mostly sunny (40-50 percent). Scattered rain showers and thunderstorms through the day. CWR.................30 percent. Chance of pcpn......75 percent. LAL.................1 until 0900, then 2 until 1200, then 3. Max temperature.....Around 66. Min humidity........30 percent. Wind (20 ft)........Light winds becoming west 10 to 15 mph after 1100 with gusts to around 20 mph. Gusty and erratic winds expected near any thunderstorms. Ridgetop wind.......Southwest 10 to 15 mph until 1200, then west around 20 mph. Mixing height.......1000 ft AGL until 0900. 6500 ft AGL after 1600. Transport winds.....Southwest 8 to 17 mph until 1200, then west 20 to 25 mph. Smoke dispersal.....Poor until 0900. Very good after 1700. Haines Index........3. TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........67 59 56 44 51 59 29 31 33 35 31 26 Weather cov.....SCT SCT SCT SCT SCT SCT SCT SCT SCT SCT SCT SCT Weather type....RW RW RW RW RW RW RW RW RW RW RW RW Tstm cov........ ISO ISO ISO SCT SCT SCT SCT SCT SCT CWR.............20 20 20 20 20 20 20 20 20 20 20 20 Chc of pcpn (%).30 30 30 40 40 40 30 30 30 30 30 30 LAL.............1 1 1 2 2 2 3 3 3 3 3 3 Temp............52 54 56 58 60 60 61 62 63 64 64 64 RH..............72 72 71 68 64 63 62 56 49 43 39 34 20 FT wind dir..SW W SW SW SW SW SW SW W W W W 20 FT wind spd..3 3 4 5 7 9 11 11 12 12 13 14 20 FT wind gust.4 4 6 6 10 13 16 16 17 17 18 19 Ridge wind dir..SW W SW SW SW SW SW SW W W W W Ridge wind spd..10 10 10 10 15 15 20 20 20 20 20 20 Mix hgt (kft)...0.1 0.5 1.0 2.0 3.0 4.0 5.0 5.0 5.0 5.5 6.0 6.5 Transp wind dir.S S SW SW SW SW W W W W W W Transp wind spd.8 8 9 10 14 17 21 20 20 20 22 25 Haines index....3 3 3 3 3 3 3 3 3 3 3 3 SDspl kt-ft/10002 2 7 17 36 60 89 87 89 91 113 145 .FORECAST DAYS 3 THROUGH 5... .FRIDAY... Mostly clear. Lows around 40. Highs in the lower 60s. West winds around 7 mph. .SATURDAY... Warmer. Mostly clear. Lows in the lower 40s. Highs in the mid 70s. Southeast winds around 6 mph. .SUNDAY... Mostly clear. Lows around 50. Highs in the mid 70s. South winds around 8 mph. $$ Forecaster...Myers Requested by...Sam Roseberry Type of request...PRESCRIBED .TAG 2416722.0/RIW .DELDT 06/26/24 .FormatterVersion 2.0.0 .EMAIL samuel.roseberry@usda.gov