759  
FNUS75 KTFX 291228  
FWSTFX  
 
SPOT FORECAST FOR DALTON RX...USFS  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
628 AM MDT THU MAY 29 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 1000 MDT ON MAY 29.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
WARM AND DRY CONDITIONS ARE EXPECTED THROUGH THIS AFTERNOON  
BEFORE A PACIFIC COLD FRONT BRINGS A QUICK ROUND OF SCATTERED  
SHOWERS AND THUNDERSTORMS AND A WESTERLY WIND SHIFT BY THIS  
EVENING. THE PRIMARY HAZARD WITH THESE SHOWERS AND THUNDERSTORMS  
WILL BE STRONG, ERRATIC, AND GUSTY WINDS IN EXCESS OF 40 MPH.  
THERE IS AROUND A 50 PERCENT CHANCE FOR WING GUSTS EXCEEDING 35  
MPH BETWEEN 1800 AND 2100 LOCAL TIME. WESTERLY BREEZES LINGER INTO  
THE OVERNIGHT HOURS WITH LIGHTER WINDS AND DRY CONDITIONS  
EXPECTED ON FRIDAY.  
   
REST OF TODAY  
 
SKY/WEATHER.........SUNNY (10-20 PERCENT). SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS IN THE AFTERNOON.  
CWR.................5 PERCENT.  
CHANCE OF THUNDER...INCREASING TO 20 PERCENT BY LATE IN THE AFTERNOON.  
MAX TEMPERATURE.....74-79.  
MIN HUMIDITY........23-28 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHWEST WINDS 5 TO 15 MPH SHIFTING TO THE  
WEST IN THE AFTERNOON. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON.  
MIXING HEIGHT.......9500 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 10 TO 15 MPH.  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT). CHANCE OF RAIN  
SHOWERS AND THUNDERSTORMS IN THE EVENING.  
CWR.................15 PERCENT.  
CHANCE OF THUNDER...30 PERCENT DECREASING TO LESS THAN 10 PERCENT AFTER MIDNIGHT.  
MIN TEMPERATURE.....44-49.  
MAX HUMIDITY........69-74 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......WEST WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 25  
MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR  
THUNDERSTORMS IN THE EVENING.  
MIXING HEIGHT.......0 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 15 TO 20 MPH.  
   
FRIDAY  
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
MAX TEMPERATURE.....69-74.  
MIN HUMIDITY........18-23 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......WEST WINDS AROUND 5 MPH.  
MIXING HEIGHT.......6000 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.  
 
 
FORECASTER...WILSON  
REQUESTED BY...NICK BOUCHER  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2514930.0/TFX  
.DELDT 05/29/25  
.FORMATTERVERSION 2.0.0  
.EMAIL NICHOLAS.BOUCHER@USDA.GOV,JAREL.KURTZ@USDA.GOV,DONALD.ILES@USDA.GOV, TFX.OPS@NOAA.GOV  
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