133
FXUS65 KGGW 220820
AFDGGW
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GLASGOW MT
220 AM MDT WED OCT 22 2025
DISCUSSION
KEY MESSAGES:
- THE MAJORITY OF THE FORECAST IS MOSTLY DRY WITH A WARMING TREND
THIS WEEK THROUGH SATURDAY.
- BETTER CHANCES FOR RAIN BEGIN SATURDAY NIGHT AND CONTINUE INTO
EARLY NEXT WEEK, WITH MODERATE UNCERTAINTY.
WEATHER PATTERN OVERVIEW:
TODAY, HIGH PRESSURE IS SLOWLY BUILDING INTO THE REGION, LEADING
TO MOSTLY CLEAR SKIES, DRY CONDITIONS AND LIGHT E TO SE WINDS. THE
PROLONGED RIDGE OF HIGH PRESSURE THIS WEEK WILL LEAD TO WARMER
THAN NORMAL TEMPERATURES AND A DRY FORECAST ALL THE WAY THROUGH
SATURDAY.
BEGINNING THIS SATURDAY EVENING THE NEXT LOW PRESSURE SYSTEM FROM
THE PACIFIC NORTHWEST WILL ADVANCE UP AND OVER THE NORTHERN
ROCKIES TO INTRODUCE MULTIPLE PERIODS OF UNSETTLED WEATHER FOR OUR
REGION. SLOWLY IMPROVING MODEL DATA SUGGEST COOLING TEMPERATURES
THROUGH WEDNESDAY WITH MAYBE A LOW QPF SHOWER OR TWO SUNDAY
THROUGH MONDAY.
FORECAST CONFIDENCE & DEVIATIONS:
NO DEVIATIONS FROM NBM WERE OBSERVED.
HIGH CONFIDENCE IN THE DRY AND WARMING PATTERN TODAY THROUGH
SATURDAY MORNING.
MODERATE CONFIDENCE IN PRECIP AND TEMPS SUNDAY ONWARD.
AVIATION
LAST UPDATED: 0800Z
FLIGHT CAT RANGE: VFR
DISCUSSION: HIGH PRESSURE WILL BE OVER THE AREA THROUGH THE TAF CYCLE.
EXPECT MAINLY CLEAR TO PARTLY CLOUDY SKIES WITH MID TO HIGH CLOUDS.
WIND: LIGHT AND VARIABLE THIS MORNING. BECOMING SE TO E AT 5 TO 10
KTS THIS AFTERNOON THROUGH TONIGHT.
GAH
GGW WATCHES/WARNINGS/ADVISORIES
NONE.
WEATHER.GOV/GLASGOW
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