965  
FWUS45 KMSO 010854  
SAGGPI  
 
HIGH ELEVATION GLACIER PARK FORECAST  
NATIONAL WEATHER SERVICE MISSOULA MT  
254 AM MDT THU JUN 1 2023  
   
SYNOPSIS  
 
ATMOSPHERIC INSTABILITY INCREASES THIS AFTERNOON, BRINGING THE  
THREAT FOR ISOLATED SHOWER AND THUNDERSTORM ACTIVITY. CUMULUS WILL  
BUILD OVER THE TERRAIN BETWEEN 11AM AND 1PM, WITH SHOWERS  
DEVELOPING THEREAFTER. THE PROBABILITY OF LIGHTNING INCREASES TO  
10-15 PERCENT BETWEEN 200-500PM MDT. A COLD FRONT WILL BRING A  
NORTH-NORTHEAST WIND SHIFT THIS EVENING, WITH GUSTS REACHING 15-20  
MPH.  
 
MTZ002-020015-  
GARDEN WALL-GLACIER PARK MT  
48.74N 113.72W ELEV. 7400 FT  
254 AM MDT THU JUN 1 2023  
 
DATE THU 06/01/23 FRI 06/02/23  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
 
TEMP 41 39 42 45 48 48 45 42 42 41 40 43 46 47  
RH 76 73 70 65 68 71 82 86 86 89 89 86 79 79  
WIND DIR SW SW W W W NE E NE NE NE NE NE NE NE  
WIND SPD 10 5 5 8 5 6 10 12 12 11 11 8 8 8  
CLOUDS 70 75 68 79 57 60 60 68 79 83 83 89 83 82  
POP 12HR 30 40 50  
QPF 12HR 0.03 0.04 0.08  
SNOW 12HR 00-00 00-00 00-00  
SNOLVL 12HR 9200 10100 9900  
 
 
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