Spot Forecast
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
054 FNUS75 KTFX 131128 FWSTFX Spot Forecast for Dalton Rx...USFS National Weather Service Great Falls MT 528 AM MDT Mon May 13 2024 Forecast is based on ignition time of 1000 MDT on May 13. If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION... Warmth continues today ahead of a cold front that will sweep through the area on Tuesday. Expect mostly dry conditions through the morning, but the afternoon will bring the development of a few showers and thunderstorms in the area. Expect showers and thunderstorms to begin to develop over the mountains around 1400, with some of the showers and storms producing some gusty and erratic outflow winds. The threat of showers and thunderstorms will continue through the overnight and into the day on Tuesday, with winds shifting from the west to the north around sunrise on Tuesday. Rain showers will taper off Tuesday evening as drier air works into the area. .REST OF TODAY... Sky/weather.........Mostly sunny (25-35 percent). Chance of rain showers and slight chance of thunderstorms in the afternoon. CWR.................15 percent. LAL.................2. Max temperature.....62-67. Min humidity........27-32 percent. Wind (20 ft)........ Slope/valley.......West winds 10 to 15 mph. Gusty and erratic winds expected near thunderstorms in the afternoon. Mixing height.......9000 ft AGL. Transport winds.....West around 20 mph. Haines Index........3 or very low potential for large plume dominated fire growth. .TONIGHT... Sky/weather.........Partly cloudy (40-50 percent) then becoming mostly cloudy (60-70 percent). Slight chance of rain showers overnight. CWR.................5 percent. LAL.................1. Min temperature.....40-45. Max humidity........73-78 percent. Wind (20 ft)........ Slope/valley.......West winds 10 to 15 mph. Mixing height.......1000 ft AGL. Transport winds.....West around 15 mph. Haines Index........ .TUESDAY... Sky/weather.........Mostly cloudy (65-75 percent). Chance of rain showers in the morning, then rain showers likely and chance of thunderstorms in the afternoon. CWR.................30 percent. LAL.................3. Max temperature.....54-59. Min humidity........46-51 percent. Wind (20 ft)........ Slope/valley.......Northwest winds around 10 mph. Gusty and erratic winds expected near thunderstorms in the afternoon. Mixing height.......4500 ft AGL. Transport winds.....Northwest around 15 mph. Haines Index........2 or very low potential for large plume dominated fire growth. $$ Forecaster...Ludwig Requested by...Nick Boucher Type of request...PRESCRIBED .TAG 2413871.0/TFX .DELDT 05/13/24 .FormatterVersion 2.0.0 .EMAIL nicholas.boucher@usda.gov,dillon.krier@usda.gov,jarel.kurtz@usda.gov, tfx.ops@noaa.gov