275
FXUS65 KGGW 151832
AFDGGW
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GLASGOW MT
1232 PM MDT THU OCT 15 2026
KEY MESSAGES
- GUSTY NW WINDS ARE ANTICIPATED TODAY. A LAKE WIND ADVISORY IS IN
EFFECT TILL 5 PM.
- AFTER A COOLER THAN NORMAL DAY TODAY, TEMPS WILL PEAK SATURDAY,
WELL ABOVE NORMAL.
- STARTING SUNDAY, TEMPS WILL HOVER NEAR OR SLIGHTLY ABOVE
NORMAL. DRY CONDITIONS ARE EXPECTED THROUGHOUT THE NEXT 7 DAYS.
DISCUSSION
A COLD FRONT ASSOCIATED WITH A SURFACE LOW IN SOUTH- CENTRAL
CANADA HAS MOVED THROUGH NORTHEAST MONTANA THIS MORNING. STRONG
NORTHWEST FLOW ALOFT AND A TIGHT PRESSURE GRADIENT IS
STRENGTHENING WINDS OUT OF THE NORTHWEST THROUGH THIS EVENING
BEFORE BECOMING LIGHT AND VARIABLE TONIGHT. A LAKE WIND ADVISORY
REMAINS IN EFFECT UNTIL 5 PM MDT.
THE UPPER-LEVEL TROUGH WILL RAPIDLY EXIT EASTWARD OVERNIGHT INTO
FRIDAY MORNING AHEAD OF A STRONG UPPER- LEVEL RIDGE OVER THE
WESTERN UNITED STATES. AS A RESULT, WARM AND DRY CONDITIONS ARE
EXPECTED THIS WEEKEND. MINOR EMBEDDED DISTURBANCES ALOFT MAY
SLIGHTLY ENHANCE SOUTHWEST WINDS, BUT NO SIGNIFICANT DEVIATIONS
FROM THE RIDGE- INDUCED WEATHER REGIME ARE EXPECTED.
BEYOND A DRY FRONTAL PASSAGE THIS WEEKEND, WARMER AND DRIER
CONDITIONS SHOULD PERSIST THROUGH EARLY NEXT WEEK. MEANWHILE, AN
UPPER LOW OFF OF THE WEST COAST WILL DIG SOUTH INTO CENTRAL
CALIFORNIA MID-WEEK. CURRENT MODEL GUIDANCE IS KEEPING NORTHWEST
MONTANA RELATIVELY DRY DURING THIS PERIOD, AND LITTLE CHANGE TO
FORECAST QPF IS ANTICIPATED.
FORECAST CONFIDENCE & DEVIATIONS:
- THERE IS HIGH CONFIDENCE IN CONDITIONS REMAINING LARGELY BENIGN
THROUGHOUT THE FORECAST PERIOD
- NO DEVIATIONS FROM THE NBM
KENZ
AVIATION
LAST UPDATED: 1730Z
FLIGHT CAT RANGE: VFR
DISCUSSION: LOW CLOUD CEILINGS HAVE DROPPED SOUTH FROM CANADA
THIS MORNING AND WILL CONTINUE TO MOVE EAST INTO THE DAKOTAS THIS
EVENING. MVFR CLOUDS ARE CURRENTLY BEING OBSERVED OVER KSDY AND
KGDV BUT WILL CONTINUE LIFTING DURING THE DAY. CHANCES FOR
PRECIPITATION SHOULD STAY TO THE EAST OF THE AIRPORTS.
WIND: STRONG NORTHWEST FLOW AND GUSTY CONDITIONS ARE EXPECTED
THROUGH THIS EVENING. OVERNIGHT, WINDS WILL BECOME LIGHT AND
VARIABLE THEN INCREASE OUT OF THE SOUTH FRIDAY MORNING.
KENZ
GGW WATCHES/WARNINGS/ADVISORIES
LAKE WIND ADVISORY UNTIL 5 PM MDT THIS AFTERNOON FOR CENTRAL AND
SOUTHEAST PHILLIPS-CENTRAL AND SOUTHERN VALLEY-GARFIELD-MCCONE-
PETROLEUM.
WEATHER.GOV/GLASGOW
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