690
FXUS65 KGGW 060638
AFDGGW
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GLASGOW MT
1138 PM MST THU MAR 5 2026
KEY MESSAGES
- TEMPERATURES REMAIN ABOVE NORMAL FOR FRIDAY THROUGH SUNDAY, WITH
TEMPERATURES A BIT CLOSER TO NORMAL FROM MONDAY THROUGH FRIDAY.
- SNOW SHOWERS THROUGH TONIGHT BRING UP TO AN INCH OF
ACCUMULATION, AND THEN PRECIPITATION CHANCES START UP AGAIN ON
SUNDAY.
- GUSTY WINDS ARE EXPECTED THIS WEEKEND. THERE IS A HIGH WIND
WATCH FOR SATURDAY NIGHT THROUGH SUNDAY EVENING FOR SOUTHWEST
PHILLIPS COUNTY.
DISCUSSION
WEATHER PATTERN OVERVIEW:
SOUTHWEST FLOW AND A STATIONARY FRONT OVER CENTRAL MONTANA IS
FORCING SOME MOISTURE TO FALL THROUGH EARLY THIS MORNING BEFORE IT
GRADUALLY PUSHES EAST. MODEL CONSENSUS HAS BEEN CONSISTENT FOR
SNOW AMOUNTS OF A HALF INCH TO AN INCH TO BE COMMON.
TODAY, THE FLOW IS EXPECTED TO BE POST-FRONTAL FROM THE NORTHWEST
WITH SOME CHINOOK WARMING. FOR SATURDAY AND SUNDAY, A TIGHT
PRESSURE GRADIENT WILL MOST LIKELY SET UP OVER THE AREA TO BRING
MUCH ABOVE NORMAL TEMPERATURES. THERE IS A DECENT CHANCE OF GUSTS
REACHING 50 MPH OVER PHILLIPS AND PETROLEUM COUNTY ON SUNDAY. THE
75TH PERCENTILE FOR WIND GUSTS ON SUNDAY GET UP TO AROUND 55 TO 60
MPH.
ON SUNDAY EVENING, AN UPPER TROUGH IN CANADA IS EXPECTED TO PUSH
SOUTHWARD AND REMAIN OVER THE AREA DURING MOST OF THE WEEK TO
BRING CHANCES FOR PRECIPITATION, WITH WEDNESDAY LOOKING TO BE THE
ONLY DAY WITHOUT PRECIPITATION CHANCES ACCORDING TO THE LATEST
GFS ENSEMBLE. THERE IS MOSTLY A BATTLE BETWEEN RAIN AND SNOW AS
TEMPERATURES FLUCTUATE AROUND THE FREEZING MARK.
FORECAST CONFIDENCE & DEVIATIONS:
NO DEVIATIONS WERE MADE.
THERE IS HIGH CONFIDENCE IN ACCUMULATING SNOW OCCURRING OVER THE
SOUTHEAST PART OF THE AREA THROUGH 8 AM THIS MORNING.
THERE IS MODERATE TO HIGH CONFIDENCE IN TEMPERATURES OVER THE NEXT
FEW DAYS.
THERE IS MODERATE CONFIDENCE OF A HIGH WIND WARNING BEING ISSUED
FOR SUNDAY OVER THE LITTLE ROCKIES, WITH LOW CONFIDENCE ELSEWHERE.
THERE IS MODERATE CONFIDENCE OF RAIN AND SNOW OPPORTUNITIES
OCCURRING FOR MONDAY, TUESDAY, THURSDAY, AND FRIDAY FOR SOME PARTS
OF THE AREA. THERE IS LOW CONFIDENCE ON LOCATION AND AMOUNTS AT
THIS TIME FOR THOSE DAYS.
AVIATION
LAST UPDATE: 0700Z
FLIGHT CAT RANGE: VFR TO IFR
DISCUSSION: MVFR CONDITIONS WILL GENERALLY BE MAINTAINED THROUGH
AROUND 18Z TODAY BEFORE VFR CONDITIONS TAKE HOLD. SNOW HAS ENDED
FOR KGGW, BUT ALL OTHER SITES WILL CONTINUE TO SEE SNOW
OPPORTUNITIES THROUGH ABOUT 12Z AS THIS ACTIVITY ENDS FROM
NORTHWEST TO SOUTHEAST.
WINDS: NORTH NORTHWEST AT 5 TO 10 KNOTS BECOMING NORTHWEST AT 6 TO
13 KNOTS AFTER 18Z.
GGW WATCHES/WARNINGS/ADVISORIES
HIGH WIND WATCH FROM SATURDAY EVENING THROUGH SUNDAY EVENING FOR
SOUTHWEST PHILLIPS.
WEATHER.GOV/GLASGOW
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