Spot Forecast
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
769 FNUS75 KTFX 201704 FWSTFX Spot Forecast for Bull Sweats 9...USFS National Weather Service Great Falls MT 1104 AM MDT Mon May 20 2024 Forecast is based on ignition time of 0600 MDT on May 21. If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION... Light precipitation will affect the burn area today and Tuesday. Generally expect less than 0.05 inches today and again on Tuesday. A steady rain is likely to develop on Wednesday afternoon or evening, with the steady rain continuing into Thursday. Snow levels will generally be above 5000 feet, but it could lower to near 4500 feet in the early morning hours. There is the potential for 1 inch to a high end 2 inch rainfall from Wed afternoon into Thursday over the burn area. .TUESDAY... Sky/weather.........Partly sunny (55-65 percent). Slight chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. CWR.................5 percent. LAL.................2. Max temperature.....61-66. Min humidity........25-30 percent. Wind (20 ft)........ Slope/valley.......Southwest winds up to 5 mph shifting to the west around 10 to 20 mph in the afternoon. Gusty and erratic winds expected near thunderstorms in the afternoon. Mixing height.......8500 ft AGL. Transport winds.....West around 10 mph. Haines Index........3 or very low potential for large plume dominated fire growth. .TUESDAY NIGHT... Sky/weather.........Partly cloudy (45-55 percent) then becoming mostly cloudy (60-70 percent). Slight chance of showers and thunderstorms in the evening. CWR.................5 percent. LAL.................2. Min temperature.....38-43. Max humidity........65-70 percent. Wind (20 ft)........ Slope/valley.......West winds around 10 mph in the evening becoming light. Gusty and erratic winds expected near thunderstorms in the evening. Mixing height.......500 ft AGL. Transport winds.....South around 10 mph. .WEDNESDAY... Sky/weather.........Mostly cloudy (80-90 percent). Chance of rain in the morning, then rain showers and slight chance of thunderstorms in the afternoon. CWR.................60 percent. LAL.................2. Max temperature.....57-62. Min humidity........41-46 percent. Wind (20 ft)........ Slope/valley.......Light winds becoming west 10 to 15 mph in the afternoon. Gusty and erratic winds expected near thunderstorms in the afternoon. Mixing height.......4000 ft AGL. Transport winds.....South around 10 mph. Haines Index........2 or very low potential for large plume dominated fire growth. $$ Forecaster...Brusda Requested by...Jake FitzGerald Type of request...PRESCRIBED .TAG 2414731.0/TFX .DELDT 05/20/24 .FormatterVersion 2.0.0 .EMAIL jake.fitzgerald@usda.gov