570
FXUS65 KGGW 150729
AFDGGW
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GLASGOW MT
129 AM MDT SUN MAR 15 2026
KEY MESSAGES
- COLDER THAN NORMAL TEMPERATURES WILL PERSIST THROUGH MONDAY.
OVERNIGHT WIND CHILLS WILL BE NEAR ZERO.
- TEMPERATURES WILL WARM SHARPLY ON TUESDAY. SNOWMELT WILL SLOW
WARMING ACROSS THE SOUTHWEST.
- WARM AND DRY CONDITIONS ARE EXPECTED THROUGH THE END OF THE
WEEK.
DISCUSSION
WEATHER PATTERN OVERVIEW:
SHORTWAVE TROUGH MOVING THROUGH THE NORTHERN PLAINS, TAKING THE
RECENT WINTER STORM EASTWARD TO THE GREAT LAKES. COLD HIGH
PRESSURE IS PULLED SOUTHWARD TO KEEP TEMPERATURES BELOW NORMAL FRO
THE NEXT FEW DAYS. WIND CHILLS WILL BE DROP TO NEAR ZERO OR BELOW
ZERO FOR THIS MORNING AND MONDAY MORNING.
RIDGE OVER THE EAST PACIFIC WILL SLIDE EASTWARD BRINGING VERY WARM
TEMPERATURES INTO THE REGION. A CHINOOK ON TUESDAY WILL BRING
RAPID WARMING AND RESULT IN QUICK SNOWMELT. AREA CREEKS, STREAMS,
AND RIVERS WILL NEED TO BE WATCHED FOR ICE BREAKING UP AND WATER
LEVEL RISING DUE TO RAPID SNOWMELT. ESPECIALLY THROUGH CENTRAL AND
SOUTHERN MONTANA. THIS RIDGE REMAINS OVER THE WEST THROUGH THE END
OF THE WEEK WITH WARM AND GENERALLY DRY WEATHER.
FORECAST CONFIDENCE & DEVIATIONS:
CONFIDENCE FOR TEMPERATURES ON TUESDAY IS MODERATE, WITH SOME
SIGNIFICANT SNOW ACROSS PORTIONS OF THE REGION. THIS COULD SLOW
WARMING IN THESE AREAS.
AVIATION
MVFR WITH OCCASIONAL IFR CONDITIONS WITH THE LAST BANDS OF SNOW
EXIT THE REGION THIS MORNING. CONDITIONS WILL IMPROVE TO VFR
DURING THE LATE MORNING HOURS WITH A COLD HIGH PRESSURE PASSING
OVER THE REGION.
GGW WATCHES/WARNINGS/ADVISORIES
NONE.
WEATHER.GOV/GLASGOW
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