516
FXUS65 KGGW 140642
AFDGGW
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GLASGOW MT
1242 AM MDT FRI AUG 14 2026
KEY MESSAGES
- PERIODS OF RAIN WITH ISOLATED EMBEDDED THUNDER WILL CONTINUE FOR
FRIDAY ALONG WITH BELOW AVERAGE TEMPERATURES.
- RAIN CHANCES WILL DIMINISH IN COVERAGE THIS WEEKEND WHILE
TEMPERATURES STEADILY RISE BACK TO NEAR NORMAL BY SUNDAY AND
MONDAY.
DISCUSSION
WEATHER PATTERN OVERVIEW:
PERIODS OF RAIN WITH EMBEDDED THUNDER LOOK TO CONTINUE TODAY
BEFORE DIMINISHING FROM WEST TO EAST TONIGHT AS LOW PRESSURE
SHIFTS AWAY FROM THE REGION. AN ADDITIONAL 0.25" TO 0.50" OF
RAINFALL ACCUMULATION ARE POSSIBLE WITH THE STEADIER SHOWERS
BEFORE DIMINISHING.
PRECIPITATION CHANCES WILL BE MORE ISOLATED OVER THE WEEKEND WHILE
TEMPERATURES LOOK TO REBOUND. HIGHS BY SUNDAY INTO MONDAY SHOULD
PUSH BACK INTO THE 80S FOR MUCH OF NE MONTANA THANKS TO SOME
RIDGING EXTENDING OVER THE AREA WITH THE AXIS REMAINING TO THE
WEST.
THAT RIDGE LOOKS TO FLATTEN BY MONDAY NIGHT AND TUESDAY AS THE
NEXT TROUGH SETS UP OVER THE PACIFIC NORTHWEST. THIS WILL ALLOW
FOR THE NEXT CHANCE FOR STEADIER AND MORE WIDESPREAD RAIN SHOWERS
TO OVERTAKE THE REGION.
FORECAST CONFIDENCE & DEVIATIONS:
TEMPERATURES WERE ADJUSTED FOR FRIDAY MORNING LOWS IN COORDINATION
WITH NEIGHBORS. POPS WERE ALSO ADJUSTED OVER THE SHORT TERM FOR
COLLABORATION AND CONSISTENCY. OVERALL, NBM HELD THE LINE THROUGH
MUCH OF THE FORECAST PERIOD. CONFIDENCE IS HIGH ON COOL AND WET
WEATHER CONTINUING FOR FRIDAY WITH SHOWERS DIMINISHING OVER THE
WEEKEND.
AVIATION
LAST UPDATE: FRIDAY AUGUST 14 AT 0615Z.
FLIGHT CAT RANGE: MVFR TO IFR.
DISCUSSION: RAIN WILL CONTINUE AT TIMES WITH REDUCED VISIBILITY IN
THE STEADIER SHOWERS ALONG WITH ASSOCIATED LOW STRATUS.
WIND: WINDS WILL BECOME NORTH TO NORTHWEST BY FRIDAY AFTERNOON AT
5 TO 15 KTS, DIMINISHING TO UNDER 10 KTS AT NIGHT.
GGW WATCHES/WARNINGS/ADVISORIES
NONE.
WEATHER.GOV/GLASGOW
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