Spot Forecast
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
924 FNUS75 KTFX 241639 FWSTFX Spot Forecast for Dalton 39A...USFS National Weather Service Great Falls MT 1039 AM MDT Tue Sep 24 2024 Forecast is based on ignition time of 1000 MDT on September 25. If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION... Southwesterly flow will set up over the region on Wednesday with winds remaining under 15 mph through the afternoon. By late Wednesday into early Thursday, a cold front will push through the region shifting winds to the west. The strongest winds are expected between midnight and noon on Thursday with a 50% chance of gusts exceeding 30 mph and a 20% chance of gusts exceeding 40 mph. Breezy conditions will continue through most of the day before diminishing to light and variable after sunset. Dry conditions will persist over the next couple days with a less than 15% chance of isolated showers near the burn site early Thursday morning. .WEDNESDAY... Sky/weather.........Sunny (5-15 percent). CWR.................0 percent. LAL.................1. Max temperature.....74-79. Min humidity........21-26 percent. Wind (20 ft)........ Slope/valley.......Southwest winds around 10 mph. Mixing height.......8000 ft AGL. Transport winds.....Southwest around 25 mph. Haines Index........3 or very low potential for large plume dominated fire growth. .WEDNESDAY NIGHT... Sky/weather.........Partly cloudy (30-40 percent). CWR.................5 percent. LAL.................1. Min temperature.....44-49. Max humidity........71-76 percent. Wind (20 ft)........ Slope/valley.......West winds 5 to 10 mph. Mixing height.......0 ft AGL. Transport winds.....West around 15 mph. Haines Index........ .THURSDAY... Sky/weather.........Mostly sunny (20-30 percent). CWR.................0 percent. LAL.................1. Max temperature.....60-65. Min humidity........29-34 percent. Wind (20 ft)........ Slope/valley.......West winds around 10 mph with gusts to around 25 mph. Mixing height.......5000 ft AGL. Transport winds.....West around 20 mph. Haines Index........3 or very low potential for large plume dominated fire growth. $$ Forecaster...Glinskas Requested by...Nick Boucher Type of request...PRESCRIBED .TAG 2422964.0/TFX .DELDT 09/24/24 .FormatterVersion 2.0.0 .EMAIL nicholas.boucher@usda.gov,donald.iles@usda.gov,jason.l.gilbert@usda.gov,jarel.kurtz@usda.gov,tfx.ops@noaa.gov