115  
FXUS65 KGGW 290858  
AFDGGW  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE GLASGOW MT  
258 AM MDT SUN JUN 29 2025  
   
DISCUSSION
 
 
KEY MESSAGES:  
 
1) SEASONABLY WARM AND MAINLY DRY WEATHER ARE EXPECTED OVER THE  
NEXT COUPLE OF DAYS.  
 
2) A MORE ACTIVE WEATHER PATTERN IS EXPECTED TO EMERGE BY THE  
MIDDLE OF THE WEEK EXTENDING INTO THE 4TH OF JULY HOLIDAY PERIOD  
WITH DAILY CHANCES FOR SHOWERS AND THUNDERSTORMS RETURNING.  
 
WEATHER PATTERN OVERVIEW:  
 
MOSTLY SUNNY TO PARTLY CLOUDY SKIES ARE EXPECTED TODAY AND LOOK  
FOR SEASONABLY WARM AND DRY WEATHER TO TAKE HOLD OVER THE NEXT  
COUPLE OF DAYS. FOR TODAY SPECIFICALLY, BREEZY NORTHWEST WINDS MAY  
BE BORDERLINE LAKE WIND ADVISORY CRITERIA FOR FORT PECK LAKE IN  
THE AFTERNOON. HOWEVER, THE STRONGEST WINDS ARE EXPECTED TO REMAIN  
JUST NORTHEAST OF THE LAKE AND DURATION WILL BE LIMITED. THUS,  
HAVE HELD OFF ON HEADLINES FOR NOW.  
 
ENSEMBLES SHOW UPPER RIDGING SLIDING EAST AHEAD OF THE NEXT LOW  
PRESSURE SYSTEM FOR THE MIDWEEK. THIS WILL SET UP A MORE ACTIVE  
WEATHER PATTERN HEADING INTO THE 4TH OF JULY HOLIDAY. IN SHORT,  
EXPECT DAILY CHANCES FOR THUNDERSTORMS TO RETURN IN THE AFTERNOON  
AND EVENING HOURS FOR THE SECOND HALF OF THIS WEEK.  
FORECAST CONFIDENCE & DEVIATIONS:  
 
NBM WAS USED FOR THE FORECAST POPULATION WITH MINIMAL DEVIATION  
NEEDED TO CAPTURE EXPECTED TRENDS. CONFIDENCE IS HIGH ON MAINLY  
WARM AND DRY WEATHER THROUGH THE NEXT COUPLE OF DAYS. CONFIDENCE  
IS DESCRIBED AS GROWING ON INCREASING CHANCES FOR THUNDERSTORMS TO  
RETURN EACH DAY STARTING MIDWEEK.  
 

 
   
AVIATION
 
 
LAST UPDATED: JUNE 29, 2025 AT 0845Z  
 
FLIGHT CATEGORY: VFR  
 
DISCUSSION: HIGH PRESSURE ACROSS THE AREA WILL MEAN MOSTLY SUNNY  
TO PARTLY CLOUDY SKIES.  
 
WINDS: WEST TO NORTHWEST WINDS WILL RANGE FROM 5 TO 10 KTS EARLY  
THIS MORNING, INCREASING TO 5 TO 15 KTS THIS AFTERNOON. GUSTS TO  
20 TO 25 KTS ARE EXPECTED AT TIMES NEAR KGDV AND KSDY DURING THE  
AFTERNOON.  
 

 
   
GGW WATCHES/WARNINGS/ADVISORIES
 
 
NONE.  

 
 

 
 
WEATHER.GOV/GLASGOW  
 
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