210
FXUS65 KGGW 232110
AFDGGW
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GLASGOW MT
310 PM MDT THU APR 23 2026
KEY MESSAGES
- HIGH WIND WARNING CONTINUES UNTIL 8PM ACROSS NE MONTANA FOR
GUSTS UP TO 60 MPH, GUSTS UP TO 50 MPH CONTINUE INTO FRIDAY.
- WINTER WEATHER ADVISORY FOR SNOW SHOWERS ACROSS MOST OF NE
MONTANA FROM 3 AM FRIDAY TO NOON SATURDAY.
- TEMPERATURES GRADUALLY START TO WARM CLOSER TO NORMAL NEXT WEEK.
DISCUSSION
WEATHER PATTERN OVERVIEW:
A DYNAMIC LOW PRESSURE SYSTEM CONTINUES TO PRODUCE HIGH WINDS THIS
AFTERNOON WHILE THERE IS A LULL IN PRECIPITATION. CONTINUED
NORTHWEST FLOW INTO SATURDAY WITH WRAP AROUND MOISTURE WILL LIKELY
PRODUCE IMPACTFUL PERIODS OF SNOW SHOWERS, ESPECIALLY DURING THE
DAYTIME HOURS FRIDAY NEAR THE CANADIAN BORDER. FOR NOW, HAVE
COVERED THIS WITH A WINTER WEATHER ADVISORY. HOWEVER, IF SNOWFALL
RATES AND BLOWING SNOW OUTPERFORM, AN UPGRADE IN HEADLINES WILL
BE CONSIDERED. NORTHERN VALLEY COUNTY LOOKS TO BE HIT HARDEST
AGAIN WITH FORECAST SNOWFALL AMOUNTS AROUND 3-4" AND HIGH
TEMPERATURES ONLY IN THE 20S FRIDAY MAKING A LESS WET, BLOWABLE
SNOW MORE LIKELY.
MUCH COOLER WEATHER LOOKS TO STICK AROUND THROUGH NEXT WEEK, WITH
LOWS TO STAY AT OR BELOW FREEZING THROUGH THE FORECAST CYCLE. A
FEW SHORTWAVES LEND TO CONTINUED CHANCES FOR RAIN OR SNOW SHOWERS
AT TIMES.
FORECAST CONFIDENCE & DEVIATIONS:
INCREASED PRECIPITATION CHANCES AND WINDS SLIGHTLY THROUGH
SATURDAY MORNING TO BETTER CAPTURE THE STRONG NORTHWEST FLOW AND
SNOW SHOWER ACTIVITY. CONFIDENCE IS LOW AT THIS TIME FOR AREAS OF
BLIZZARD CONDITIONS TO BE OBSERVED AGAIN ON FRIDAY. CONFIDENCE IS
HIGH FOR GUSTY WINDS ON FRIDAY TO REMAIN BETWEEN LAKE WIND
ADVISORY AND HIGH WIND WARNING THRESHOLDS.
AVIATION
UPDATED: 2030Z
FLIGHT CONDITION: VFR TO LIFR
DISCUSSION: FOLLOWING A PERIOD OF VFR AND PARTIAL CLEARING THIS
EVENING, SNOW SHOWERS RETURN BY 12Z FRIDAY TO PRIMARILY IMPACT
KGGW AND KOLF. THE MAIN IMPACT WILL BE BRIEF PERIODS OF HEAVIER
SNOW AND BLOWING SNOW PRODUCING VISIBILITY LESS THAN A MILE AT
TIMES. THERE IS HIGH CONFIDENCE FOR CEILINGS DOWN TO AT LEAST MVFR
FRIDAY, WHILE MOSTLY VFR AT KGDV AND KSDY.
WIND: NW THROUGH THE CYCLE, 15 TO 25 KTS WITH GUSTS AROUND 35 KTS.
GGW WATCHES/WARNINGS/ADVISORIES
HIGH WIND WARNING UNTIL 8 PM MDT THIS EVENING FOR CENTRAL AND
SOUTHEAST PHILLIPS-CENTRAL AND SOUTHERN VALLEY-DANIELS-DAWSON-
EASTERN ROOSEVELT-GARFIELD-MCCONE-NORTHERN PHILLIPS-NORTHERN
VALLEY-PETROLEUM-PRAIRIE-RICHLAND-SHERIDAN-SOUTHWEST PHILLIPS-
WESTERN ROOSEVELT-WIBAUX.
WINTER WEATHER ADVISORY FROM 3 AM FRIDAY TO NOON MDT SATURDAY
FOR CENTRAL AND SOUTHEAST PHILLIPS-CENTRAL AND SOUTHERN VALLEY-
DANIELS-DAWSON-EASTERN ROOSEVELT-GARFIELD-MCCONE-NORTHERN
PHILLIPS-NORTHERN VALLEY-PRAIRIE-RICHLAND-SHERIDAN-SOUTHWEST
PHILLIPS-WESTERN ROOSEVELT.
WEATHER.GOV/GLASGOW
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