629
FXUS65 KGGW 140548
AFDGGW
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GLASGOW MT
1148 PM MDT TUE OCT 13 2026
KEY MESSAGES
- DRY WEATHER WILL CONTINUE THROUGH THURSDAY WITH TEMPERATURES
REMAINING BELOW NORMAL.
- WARMER TEMPERATURES WILL RETURN FOR FRIDAY AND HIGHS PUSHING
BACK INTO THE 70S ACROSS NE MONTANA BY SATURDAY.
DISCUSSION
A CLOSED LOW WILL TRACK WELL SOUTH OF THE REGION WEDNESDAY NIGHT
INTO THURSDAY. MEANWHILE DURING THIS SAME TIME PERIOD A SHORTWAVCE
TROUGH WILL TRACK SOUTHEAST FROM CANADA INTO THE DAKOTAS ALONG THE
NORTHERN BRANCH OF THIS SPLIT FLOW REGIME WITH A COLD FRONT. THIS
WILL BRING GUSTY NORTHWEST WINDS TO NE MONTANA ON THURSDAY THOUGH
PRECIPITATION CHANCES WILL REMAIN TO THE EAST WITH THAT WAVE.
ON FRIDAY, NBM BEGINS TO ADVANCE AN UPPER RIDGE ACROSS THE WESTERN
U.S. AS THE CLOSED LOW BECOMES ABORBED BY A DEEPENING TROUGH
ACROSS THE CENTRAL CONUS. THIS WILL LEND TO WARM AND DRY
CONDITIONS FOR THE CWA FRIDAY INTO SATURDAY, AS HIGHS RETURN TO
THE 70S AS THE WEEKEND GETS UNDERWAY. THE NEXT COLD FRONT WILL
APPROACH ON SATURDAY EVENING.
FORECAST CONFIDENCE & DEVIATIONS:
NBM WAS USED FOR THE FORECAST CYCLE WITH LITTLE IN THE WAY OF
DEVIATIONS THIS TIME AROUND DUE TO AN OVERALL BENIGN WEATHER
PATTERN ASIDE FROM CONSISTENCY ADJUSTMENTS FOR COLLABORATION WITH
SURROUNDING OFFICES.
AVIATION
LAST UPDATED: 0545Z
FLIGHT CAT RANGE: VFR TO PREVAIL, MVFR/IFR POSSIBLE IN FOG.
DISCUSSION: DRY WEATHER WILL LEND TO EXCELLENT FLYING CONDITIONS
OVERNIGHT SAVE FOR PATCHY FOG AND LOW STRATUS ACROSS AREA
TERMINALS, MAINLY EARLY WEDNESDAY MORNING.
WINDS: LIGHT AND VARIABLE WINDS WILL BECOME SOUTH TO SOUTHWEST
AFTER 18Z WEDNESDAY.
GGW WATCHES/WARNINGS/ADVISORIES
NONE.
WEATHER.GOV/GLASGOW
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