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Spot Forecast
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
979 FNUS75 KTFX 241604 FWSTFX Spot Forecast for Dalton 39A...USFS National Weather Service Great Falls MT 1004 AM MDT Mon Jun 24 2024 Forecast is based on ignition time of 0800 MDT on June 25. If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION... Surface high pressure will slide over the Northern Rockies Tuesday, bringing mostly clear skies, light winds, and warm and dry air to the burn site on Tuesday. Expect wind gusts to top out around 10 to 15 mph as RH values dip into the upper teens. Wednesday will bring warmer air into the area, along with some moisture and the chance of a thunderstorm or two in the afternoon (20-40%). .TUESDAY... Sky/weather.........Sunny (0-10 percent). CWR.................0 percent. LAL.................1. Max temperature.....74-79. Min humidity........15-20 percent. Wind (20 ft)........ Slope/valley.......West winds up to 5 mph. Mixing height.......7000 ft AGL. Transport winds.....West around 15 mph. Haines Index........3 or very low potential for large plume dominated fire growth. .TUESDAY NIGHT... Sky/weather.........Mostly clear (10-20 percent). CWR.................0 percent. LAL.................1. Min temperature.....49-54. Max humidity........53-58 percent. Wind (20 ft)........ Slope/valley.......North winds around 5 mph shifting to the northeast overnight. Mixing height.......0 ft AGL. Transport winds.....Northeast around 10 mph. Haines Index........ .WEDNESDAY... Sky/weather.........Sunny (10-20 percent) then becoming partly sunny (55-65 percent). CWR.................5 percent. LAL.................1. Max temperature.....76-81. Min humidity........24-29 percent. Wind (20 ft)........ Slope/valley.......Southeast winds around 5 mph shifting to the south in the afternoon. Mixing height.......7500 ft AGL. Transport winds.....South around 15 mph. Haines Index........4 or low potential for large plume dominated fire growth. $$ Forecaster...Ludwig Requested by...Nick Boucher Type of request...PRESCRIBED .TAG 2416600.0/TFX .DELDT 06/24/24 .FormatterVersion 2.0.0 .EMAIL donald.iles@usda.gov,jason.l.gilbert@usda.gov,nicholas.boucher@usda.gov,jarel.kurtz@usda.gov, tfx.ops@noaa.gov