456  
FXUS65 KGGW 270811  
AFDGGW  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE GLASGOW MT  
ISSUED BY NATIONAL WEATHER SERVICE BILLINGS MT  
211 AM MDT TUE MAY 27 2025  
   
DISCUSSION
 
 
KEY MESSAGES:  
- ISOLATED RAIN SHOWERS POSSIBLE WEST TODAY.  
 
- OTHERWISE, MAINLY DRY CONDITIONS AND SLOWLY WARMING TEMPERATURES  
WILL CONTINUE THROUGH THURSDAY.  
 
- THERE WILL BE A CHANCE OF SHOWERS AND THUNDERSTORMS ON FRIDAY.  
 
WEATHER PATTERN OVERVIEW:  
 
UPPER LOW OVER THE UPPER MIDWEST WILL SLOWLY DRIFT EAST AS AN  
UPPER RIDGE BUILDS INTO THE NORTHERN ROCKIES. THIS WILL LEAD TO A  
GENERAL WARMING TREND ACROSS EASTERN MONTANA THIS WEEK.  
 
OVERALL, DRY CONDITIONS ARE ANTICIPATED THROUGH THE WEEK EVEN AS  
A FEW WEAK SHORTWAVES PUSH THROUGH THE RIDGE. THE FIRST WAVE TODAY COULD  
ISOLATED SHOWERS TO THE WEST. THE NEXT WAVE ON FRIDAY WILL BRING A  
CHANCE OF SHOWERS AND THUNDERSTORMS TO THE REGION.  
 
FORECAST CONFIDENCE & DEVIATIONS:  
 
PRETTY MUCH WENT WITH THE NBM THROUGH THE ENTIRE 7 DAY PERIOD.  
 
FORRESTER  
 

 
   
AVIATION
 
 
VFR. MID AND HIGH CLOUDS WILL MOVE INTO THE REGION FROM THE WEST TODAY  
AND REMAIN OVER NORTHEAST MONTANA TONIGHT. EAST TO SE WINDS WILL BE  
5 TO 15 KNOTS TODAY AND 5 TO 10 KNOTS TONIGHT.  
 
FORRESTER  
 

 
   
GGW WATCHES/WARNINGS/ADVISORIES
 
 
NONE.  

 
 

 
 
WEATHER.GOV/GLASGOW  
 
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