971
FXUS65 KGGW 261838
AFDGGW
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GLASGOW MT
1138 AM MST THU FEB 26 2026
KEY MESSAGES
- A HIGH WIND WARNING FOR STRONG WINDS IS IN EFFECT FOR IN
PHILLIPS COUNTY THROUGH TONIGHT. POTENTIAL FOR AN EXPANSION TO
OTHER LOCATIONS TONIGHT.
- A WINTER WEATHER ADVISORY AND WARNING HAVE BEEN ISSUED FOR
VARIOUS PORTIONS OF THE AREA FOR FRIDAY INTO SATURDAY.
- THERE IS A STRONG LIKELIHOOD OF A TRANSITION BACK TO WARMER
THAN NORMAL TEMPERATURES NEXT WEEK.
DISCUSSION
WEATHER PATTERN OVERVIEW:
NORTHEAST MONTANA IS BETWEEN A STRONG UPPER TROUGH IN CANADA AND
AN UPPER RIDGE OVER THE WESTERN CONUS. THIS WILL ALLOW FOR STRONG
WEST TO NORTHWEST WINDS TO AFFECT THE AREA THROUGH EARLY TOMORROW
MORNING. THEN A SHORTWAVE TROUGH IS EXPECTED TO MOVE THROUGH
FRIDAY INTO SATURDAY, BRINGING ACCUMULATING SNOW FOR MOST OF THE
AREA. THE LITTLE ROCKIES AREA HAS THE BEST CHANCE TO EXCEED 6
INCHES OF SNOW IN THAT PERIOD. A GOOD PORTION OF THE AREA HAS
POTENTIAL TO SEE 1 TO 4 INCHES OF SNOW, WITH AMOUNTS GENERALLY
BELOW THIS IN THE NORTHEAST PART OF THE AREA. THIS WILL BRING DOWN
TEMPERATURES TO NEAR OR SLIGHTLY BELOW AVERAGE ON SATURDAY. THERE
IS A DECENT AMOUNT OF UNCERTAINTY FOR TEMPERATURES ON SUNDAY
FOLLOWING FRESH SNOWFALL. THEN TEMPERATURES ARE EXPECTED TO
REBOUND BACK ABOVE NORMAL NEXT WEEK.
FORECAST CONFIDENCE & DEVIATIONS:
FOR DEVIATIONS, A MANUAL INCREASE IN WINDS TO REACH 50 KNOTS IN
THE LITTLE ROCKIES. INCREASED POPS ON DAY 2 AND DAY 3 TO ALIGN
WITH THE WINTER WEATHER ADVISORY AND WARNING.
THERE IS MODERATE TO HIGH CONFIDENCE ON WINDS AND WIND GUSTS
THROUGH TOMORROW MORNING. THERE IS MODERATE CONFIDENCE ON WHETHER
OR NOT THE HIGH WIND WARNING WILL NEED TO BE EXPANDED TO OTHER
ZONES. THERE IS HIGH CONFIDENCE ON TEMPERATURES THROUGH SATURDAY,
THEN MODERATE CONFIDENCE AFTERWARD. THERE IS MODERATE TO HIGH
CONFIDENCE OF THE SNOWFALL FORECAST THROUGH SUNDAY. CONFIDENCE IS
HIGH FOR WARMER THAN NORMAL TEMPERATURES NEXT WEEK.
AVIATION
LATEST UPDATE: 1830Z
CONDITIONS: VFR, THEN MVFR LATE TOMORROW.
SYNOPSIS: VFR WITH DRY WEATHER THROUGH 12Z. A SHORTWAVE TROUGH AND
SURFACE COLD FRONT WILL COME THROUGH AFTER 12Z, WHICH BRINGS
MODERATE CONFIDENCE OF SNOW SHOWERS DURING THE DAY. THERE IS HIGH
CONFIDENCE OF MVFR CONDITIONS AFFECTING ALL TAF SITES AFTER 00Z
SATURDAY AS THE LIKELIHOOD FOR SNOW IS HIGHER IN THE EVENING THAN
IN THE MORNING.
WINDS:
LLWS: THERE IS HIGH CONFIDENCE OF LOW LEVEL WIND SHEAR AFFECTING
TAF SITES FROM AROUND 00Z THROUGH 15Z FRIDAY GENERALLY.
GGW WATCHES/WARNINGS/ADVISORIES
HIGH WIND WARNING UNTIL 8 AM MST FRIDAY FOR CENTRAL AND
SOUTHEAST PHILLIPS-NORTHERN PHILLIPS-SOUTHWEST PHILLIPS.
WINTER WEATHER ADVISORY FROM 8 AM FRIDAY TO 11 AM MST SATURDAY
FOR CENTRAL AND SOUTHEAST PHILLIPS-CENTRAL AND SOUTHERN VALLEY-
DAWSON-GARFIELD-MCCONE-NORTHERN PHILLIPS-NORTHERN VALLEY-
PETROLEUM-PRAIRIE-WIBAUX.
WINTER STORM WARNING FROM 8 AM FRIDAY TO 11 AM MST SATURDAY FOR
SOUTHWEST PHILLIPS.
WEATHER.GOV/GLASGOW
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