Spot Forecast
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
745 FNUS75 KTFX 190909 FWSTFX Spot Forecast for Toehead Rx...Montana DNRC National Weather Service Great Falls MT 309 AM MDT Wed Jun 19 2024 Forecast is based on ignition time of 0900 MDT on June 19. If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION... Southwesterly flow aloft will help to support unsettled conditions through the remainder of the work week, with daily chances for showers and thunderstorms, mainly from noon through the early evening hours. Friday has the highest chance for wetting rainfall across the incident area, with a 35% chance of a tenth of an inch or more. High temperatures through Friday will be near to slightly below normal, with terrain driven winds through the afternoon hours on Thursday. Drier and warming conditions are then expected over the weekend, with high temperatures on Sunday climbing into the mid-80s to low 90s. .TODAY... Sky/weather.........Mostly sunny (30-40 percent). Chance of rain showers and slight chance of thunderstorms in the afternoon. CWR.................5 percent. LAL.................2. Max temperature.....64-69. Min humidity........32-37 percent. Wind (20 ft)........ Slope/valley.......Light winds becoming upslope/up-valley 3 to 7 mph in the afternoon. Gusty and erratic winds expected near thunderstorms in the afternoon. Mixing height.......9500 ft AGL. Transport winds.....Southwest around 10 mph. Haines Index........3 or very low potential for large plume dominated fire growth. .TONIGHT... Sky/weather.........Mostly clear (10-20 percent). Slight chance of showers and thunderstorms in the evening. CWR.................0 percent. LAL.................1. Min temperature.....37-42. Max humidity........82-87 percent. Wind (20 ft)........ Slope/valley.......Downslope/down-valley up to 5 mph. Gusty and erratic winds expected near thunderstorms in the evening. Mixing height.......1000 ft AGL. Transport winds.....North around 5 mph. Haines Index........ .THURSDAY... Sky/weather.........Mostly sunny (35-45 percent). Slight chance of showers and thunderstorms in the afternoon. CWR.................5 percent. LAL.................1. Max temperature.....73-78. Min humidity........25-30 percent. Wind (20 ft)........ Slope/valley.......Light winds becoming upslope/up-valley 3 to 7 mph in the afternoon. Gusty and erratic winds expected near thunderstorms in the afternoon. Mixing height.......9500 ft AGL. Transport winds.....Southeast around 10 mph. Haines Index........3 or very low potential for large plume dominated fire growth. .THURSDAY NIGHT... Sky/weather.........Partly cloudy (35-45 percent) then becoming mostly cloudy (50-60 percent). Slight chance of showers and thunderstorms. CWR.................5 percent. LAL.................2. Min temperature.....46-51. Max humidity........83-88 percent. Wind (20 ft)........ Slope/valley.......North winds up to 10 mph. Gusty and erratic winds expected near thunderstorms. Mixing height.......500 ft AGL. Transport winds.....North around 10 mph. Haines Index........ $$ Forecaster...Moldan Requested by...Charlie Ewart Type of request...PRESCRIBED .TAG 2416376.0/TFX .DELDT 06/19/24 .FormatterVersion 2.0.0 .EMAIL charlie.ewart@mt.gov, tfx.ops@noaa.gov