####018002309#### FNUS75 KTFX 251121 FWSTFX Spot Forecast for Rotten ridge unit 7...USFS National Weather Service Great Falls MT 521 AM MDT Thu Apr 25 2024 Forecast is based on ignition time of 0600 MDT on April 25. If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION... Expect passing clouds all day today. It will be slightly cooler. There is a chance for a passing shower tonight, with higher probabilities of light rain Friday thru Sun, about 0.40 to 0.70 inches of rainfall will be possible. Snow levels will generally be above 6000 feet. .TODAY... Sky/weather.........Partly sunny (55-65 percent). Chance of rain towards evening. CWR.................Less than 5 percent. LAL.................1. Max temperature.....57-62. Min humidity........27-32 percent. Wind (20 ft)........ Slope/valley.......West winds around 5 to 10 mph. Mixing height.......7500 ft AGL. Transport winds.....West around 10 mph. Haines Index........2 or very low potential for large plume dominated fire growth. .TONIGHT... Sky/weather.........Mostly cloudy (75-85 percent). Chance of rain. CWR.................15 percent. LAL.................1. Min temperature.....37-42. Max humidity........68-73 percent. Wind (20 ft)........ Slope/valley.......North winds around 5 mph. Mixing height.......500 ft AGL. Transport winds.....North around 5 mph. .FRIDAY... Sky/weather.........Cloudy (85-95 percent). Chance of rain in the morning, then rain likely in the afternoon. CWR.................65 percent. LAL.................1. Max temperature.....48-53. Min humidity........Near 60 percent. Wind (20 ft)........ Slope/valley.......Northwest winds up to 5 mph shifting to the northeast in the afternoon. Mixing height.......2000 ft AGL. Transport winds.....North around 10 mph. Haines Index........2 or very low potential for large plume dominated fire growth. $$ Forecaster...Brusda Requested by...Kyle Marquardt Type of request...PRESCRIBED .TAG 2412282.0/TFX .DELDT 04/25/24 .FormatterVersion 2.0.0 .EMAIL kyle.marquardt@usda.gov