411  
FNUS75 KTFX 182237  
FWSTFX  
 
SPOT FORECAST FOR BLACK EAGLE DAM...CASCADE COUNTY EMERGENCY  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
337 PM MST WED DEC 18 2024  
 
FORECAST IS BASED ON FORECAST START TIME OF 1600 MST ON DECEMBER 18.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
..HIGH WIND WARNING IN EFFECT UNTIL MIDNIGHT MST TONIGHT  
 
A FAST MOVING WEATHER SYSTEM AND ATTENDANT COLD FRONT WILL  
CONTINUE TO BRING STRONG GUSTY WINDS TO THE BLACK EAGLE DAM AREA  
THROUGH THE EVENING HOURS. THE STRONGEST AND MOST PERSISTENT WINDS  
ARE EXPECTED THROUGH 1900 LOCAL TIME BEFORE SLOWLY TAPERING OFF  
THROUGH MIDNIGHT TONIGHT. EXPECT SUSTAINED WIND SPEEDS OF 35 TO 45  
MPH FOR THE REMAINDER OF THE AFTERNOON, WITH GUSTS GENERALLY IN  
45 TO 60 MPH RANGE. THERE IS STILL AROUND A 15% CHANCE GUSTS CAN  
EXCEED 70 MPH, PARTICULARLY DURING ANY SHOWERS. LITTLE TO NO  
PRECIPITATION IS EXPECTED WITH THIS SHOWER ACTIVITY, BUT THEY MAY  
TRANSFER STRONGER WINDS FROM THE UPPER LEVELS TO THE SURFACE. ALSO  
THE WEST SOUTHWEST WIND DIRECTION WILL BECOME MORE WESTERLY  
HEADING TOWARDS THE EVENING HOURS.  
   
DISCUSSION  
 
   
REST OF TODAY  
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). PATCHY BLOWING  
DUST. SLIGHT CHANCE OF SHOWERS.  
CHANCE OF PCPN......20 PERCENT.  
CHANCE OF LIGHTNING.5 PERCENT  
MAX TEMPERATURE.....52-57.  
MIN HUMIDITY........31-36 PERCENT.  
SURFACE WINDS (MPH).VERY WINDY. WESTERLY WINDS 35 TO 45 MPH WITH GUSTS  
TO AROUND 60 MPH.  
PCPN AMOUNT.........0.00 INCHES.  
SNOWFALL AMOUNT.....0.0 INCHES.  
VISIBILITY..........10.  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT).  
CHANCE OF PCPN......10 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT  
MIN TEMPERATURE.....19-24.  
MAX HUMIDITY........61-66 PERCENT.  
SURFACE WINDS (MPH).WINDY. WEST WINDS 25 TO 35 MPH WITH GUSTS TO  
AROUND 50 MPH DECREASING TO 10 TO 20 MPH  
OVERNIGHT.  
PCPN AMOUNT.........0.00 INCHES.  
SNOWFALL AMOUNT.....0.0 INCHES.  
VISIBILITY..........10.  
 
 
FORECASTER...GREELY  
REQUESTED BY...JOE ZAHARA  
TYPE OF REQUEST...OTHER  
.TAG 2428753.0/TFX  
.DELDT 12/18/24  
.FORMATTERVERSION 2.0.0  
.EMAIL JZAHARA@CASCADECOUNTYMT.GOV, TFX.OPS@NOAA.GOV  
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