731
FXUS65 KGGW 041951
AFDGGW
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GLASGOW MT
151 PM MDT SUN OCT 4 2026
KEY MESSAGES
- FAIR CONDITIONS ARE EXPECTED TO PERSIST THROUGH THIS WEEK.
- COOLER TEMPERATURES AND LOW CHANCES FOR PRECIPITATION ARE
EXPECTED THIS WEEKEND.
DISCUSSION
AN UPPER-LEVEL RIDGE OVER THE WESTERN US WILL REMAIN OVERHEAD
THROUGH THURSDAY. FAIR CONDITIONS ARE EXPECTED TO PERSIST.
AN UPPER-LEVEL TROUGH IS EXPECTED TO DIG OVER MONTANA SOMETIME
BETWEEN FRIDAY AND SATURDAY. TIMING OF THE TROUGH BETWEEN THE GFS
AND ECMWF IS INCONSISTENT, BUT INCREASED CLOUD COVERAGE, COOLER
TEMPERATURES, AND POSSIBLE PRECIPITATION ARE EXPECTED THIS
WEEKEND.
FORECAST CONFIDENCE & DEVIATIONS:
- NO CHANGES WERE MADE FROM THE NBM.
- THERE IS LOW CONFIDENCE IN PRECIPITATION CHANCES THIS WEEKEND.
DON
AVIATION
LAST UPDATED: 1830Z
FLIGHT CAT RANGE: VFR
SKIES: FAIR WITH FEW MID-LEVEL CLOUDS OVER THE NEXT 24-HOUR
PERIOD.
WINDS: SE AT 08 TO 12 KT AT ALL STATIONS, WITH GUSTS TO 22 KT AT
KGGW AND KSDY. WINDS WILL VEER SW AND DECREASE TO 05 TO 10 KT BY
TOMORROW MORNING. INTERMITTENT PERIODS OF LIGHT AND VARIABLE WINDS
ARE LIKELY OVERNIGHT.
GGW WATCHES/WARNINGS/ADVISORIES
NONE.
WEATHER.GOV/GLASGOW
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