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Spot Forecast
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
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138 FNUS75 KTFX 152310 FWSTFX Spot Forecast for Black Mountain...USFS National Weather Service Great Falls MT 510 PM MDT Thu Aug 15 2024 Forecast is based on forecast start time of 0600 MDT on August 16. If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION... Southwesterly flow aloft will allow for another round of primarily afternoon showers and thunderstorms around the wildfire Friday into early Friday night. Upper level ridging builds in for Saturday, allowing for a dry day, though an afternoon shower or thunderstorm cannot quite be ruled out. .FRIDAY... Sky/weather.........Partly sunny (50-60 percent). Slight chance of showers and thunderstorms in the morning, then chance of showers and thunderstorms in the afternoon. CWR.................5 percent. LAL.................3. Max temperature.....65-70. Min humidity........33-38 percent. Wind (20 ft)........ Slope/valley.......West winds around 5 mph. Gusty and erratic winds expected near thunderstorms. Ridgetop...........Southwest around 10 mph. Haines Index........3 or very low potential for large plume dominated fire growth. .FRIDAY NIGHT... Sky/weather.........Partly cloudy (35-45 percent). Slight chance of showers and thunderstorms in the evening. CWR.................10 percent. LAL.................2. Min temperature.....51-56. Max humidity........65-70 percent. Wind (20 ft)........ Slope/valley.......Northwest winds around 5 mph shifting to the northeast overnight. Gusty and erratic winds expected near thunderstorms in the evening. Ridgetop...........Southwest around 5 mph. Haines Index........ .SATURDAY... Sky/weather.........Sunny (5-15 percent). CWR.................0 percent. LAL.................1. Max temperature.....74-79. Min humidity........19-24 percent. Wind (20 ft)........ Slope/valley.......Light winds becoming southwest around 5 mph in the afternoon. Ridgetop...........Southwest around 10 mph. Haines Index........3 or very low potential for large plume dominated fire growth. $$ Forecaster...McDowell Requested by...Jordan Bloxham Type of request...WILDFIRE .TAG 2419200.76/TFX .DELDT 08/15/24 .FormatterVersion 2.0.0 .EMAIL jbloxham@blm.gov, tfx.ops@noaa.gov