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Spot Forecast
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
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073 FNUS75 KTFX 142306 FWSTFX Spot Forecast for Black Canyon...DNRC County Assist Team National Weather Service Great Falls MT 506 PM MDT Wed Aug 14 2024 Forecast is based on forecast start time of 1800 MDT on August 14. If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION... A brief period of upper level ridging builds in tonight allowing for a brief dry spell in wake of isolated showers and thunderstorms this afternoon and early evening. The ridging is quickly displaced by an upper level disturbance arriving late Thursday. Isolated showers and thunderstorms will be around Thursday afternoon, with better chances for precipitation arriving Thursday evening and overnight. .TONIGHT... Sky/weather.........Mostly clear (20-30 percent). Slight chance for a shower or thunderstorm early evening. CWR.................0 percent. LAL.................1. Min temperature.....51-56. Max humidity........65-70 percent. Wind (20 ft)........ Slope/valley.......Down slope/valley around 5 mph. Gusty and erratic winds expected near thunderstorms. Ridgetop...........North around 10 mph, becoming light and variable. .THURSDAY... Sky/weather.........Sunny, with increasing clouds late day. Isolated showers and thunderstorms in the afternoon. CWR.................5 percent. LAL.................1. Max temperature.....75-80. Min humidity........21-26 percent. Wind (20 ft)........ Slope/valley.......Up slope/valley around 5 mph after sunrise, becoming east-southeast around 5 mph in the afternoon. Ridgetop...........Southeast 5 to 10 mph. Haines Index........3 or very low potential for large plume dominated fire growth early in the morning. .THURSDAY NIGHT... Sky/weather.........Mostly cloudy (65-75 percent). Rain showers likely overnight, with a chance of thunderstorms through the night. CWR.................5 percent. LAL.................3. Min temperature.....53-58. Max humidity........69-74 percent. Wind (20 ft)........ Slope/valley.......Variable around 5 mph. Gusty and erratic winds expected near thunderstorms. Ridgetop...........East 5 to 10 mph increasing to south 20 to 25 mph early in the evening. $$ Forecaster...McDowell Requested by...Tom Kohley Type of request...WILDFIRE .TAG 2420044.5/TFX .DELDT 08/14/24 .FormatterVersion 2.0.0 .EMAIL tom_kohley@firenet.gov,mtgdc@firenet.gov, tfx.ops@noaa.gov