FNUS75 KTFX 191128

FWSTFX



Spot Forecast for Arrowleaf...MT DNRC

National Weather Service Great Falls MT

528 AM MDT Thu Mar 19 2026



Forecast is based on ignition time of 0600 MDT on March 19. 

If conditions become unrepresentative...contact the National Weather

Service.



...HIGH WIND WARNING IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

...HIGH WIND WATCH IN EFFECT FROM FRIDAY MORNING THROUGH SATURDAY

MORNING...



The primary concern will continue to be periods of strong, gusty 

winds and temperatures trending towards unseasonably mild levels 

through Saturday. Today's winds will be exceptionally strong with 

routine gusts over 75 mph. A Pacific trough and cold front will 

bring more scattered shower activity on Saturday followed by a 

slight cool down. 



.DISCUSSION...



.TODAY...



Sky/weather.........Mostly sunny (25-35 percent). 

CWR.................0 percent. 

Chance of thunder...0 percent. 

Max temperature.....59-64. 

Min humidity........25-30 percent. 

Wind (20 ft)........ 

 Slope/valley.......Very windy. West winds 40 to 50 mph with gusts 

                    70 to 80 mph. 

Mixing height.......3500 ft AGL. 

Transport winds.....West around 55 mph. 



.TONIGHT...



Sky/weather.........Partly cloudy (40-50 percent). 

CWR.................5 percent. 

Chance of thunder...0 percent. 

Min temperature.....44-49. 

Max humidity........48-53 percent. 

Wind (20 ft)........ 

 Slope/valley.......Windy. Southwest winds 20 to 30 mph. Gusts up 

                    to 60 mph decreasing to 45 mph overnight. 

Mixing height.......1000 ft AGL. 

Transport winds.....West around 30 mph. 



.FRIDAY...



Sky/weather.........Mostly sunny (35-45 percent). Slight chance of 

                    rain showers in the afternoon. 

CWR.................5 percent. 

Chance of thunder...2 percent. 

Max temperature.....61-66. 

Min humidity........30-35 percent. 

Wind (20 ft)........ 

 Slope/valley.......Windy. Southwest winds 20 to 25 mph with gusts 

                    to around 45 mph increasing to west 35 to 45 

                    mph with gusts to around 65 mph in the 

                    afternoon. 

Mixing height.......6000 ft AGL. 

Transport winds.....West around 45 mph. 



.OUTLOOK FOR THURSDAY MARCH 26 THROUGH WEDNESDAY APRIL 01...



Above average temperatures and near average precipitation is 

favored heading towards the end of March.



$$

Forecaster...Greely

Requested by...Bob Culbreth

Type of request...PRESCRIBED

.TAG 2605663.5/TFX

.DELDT 03/19/26

.FormatterVersion 2.0.0

.EMAIL bob.culbreth@mt.gov, tfx.ops@noaa.gov