023
FXUS65 KGGW 151900
AFDGGW
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GLASGOW MT
100 PM MDT SAT AUG 15 2026
KEY MESSAGES
- NEAR TO SLIGHTLY BELOW NORMAL TEMPERATURES ARE EXPECTED THROUGH
THE UPCOMING WEEK.
- OCCASIONAL CHANCES FOR SHOWERS CAN BE EXPECTED IN THE LATE
AFTERNOON TO OVERNIGHT HOURS THROUGH TUESDAY. DRY CONDITIONS ARE
CURRENTLY EXPECTED BEYOND TUESDAY.
DISCUSSION
WEATHER PATTERN OVERVIEW:
THE WESTERN UPPER RIDGE WILL REMAIN FAIRLY FLAT THROUGH MIDWEEK
WITH A SERIES OF WEAK SHORTWAVES PUSHING ALONG THE INTERNATIONAL
BORDER. THIS WILL KEEP TEMPERATURES SLIGHTLY BELOW NORMAL AND
BRING SCATTERED SHOWERS AND A FEW THUNDERSTORMS INTO MONTANA. THE
TIMING OF THE WAVES INDICATE LATE AFTERNOON TO OVERNIGHT
PRECIPITATION.
UPPER RIDGE BUILDS INTO THE AREA FOR WEDNESDAY, THURSDAY AND
FRIDAY WITH A RETURN TO WARMER AND DRIER CONDITIONS FOR THE END OF
THE WEEK.
FORECAST CONFIDENCE & DEVIATIONS:
MAIN DEVIATIONS TO THE NBM WERE TO SPREAD POPS ACROSS A LARGER
AREA FOR SUNDAY NIGHT THROUGH MONDAY NIGHT.
AVIATION
GENERALLY VFR CONDITIONS EXPECTED THROUGH THE TAF PERIOD. THE
CUMULUS FIELD OVER THE REGION THIS AFTERNOON COULD BRIEFLY DROP
CEILINGS TO MVFR, BUT SHOULD CLEAR THIS EVENING.
GGW WATCHES/WARNINGS/ADVISORIES
NONE.
WEATHER.GOV/GLASGOW
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