339
FXUS65 KGGW 010710
AFDGGW
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GLASGOW MT
110 AM MDT FRI MAY 1 2026
KEY MESSAGES
- EXPECT WARMER TEMPERATURES TODAY INTO THE WEEKEND WITH DRY
CONDITIONS THROUGH SATURDAY.
- A COLD FRONT ARRIVES SUNDAY NIGHT/MONDAY WITH A SLIGHT COOL
DOWN AND ISOLATED SHOWERS.
- ANOTHER SLOW WARM UP IS EXPECTED LATE INTO THE WORK WEEK WITH
MOSTLY DRY CONDITIONS.
DISCUSSION
WEATHER PATTERN OVERVIEW:
ASIDE FROM A FEW MID LEVEL CLOUDS, QUIET WEATHER WILL BE IN STORE
FOR TODAY THROUGH SATURDAY ACROSS NE MONTANA. UPPER RIDGING WILL
NOSE ITS WAY IN FROM THE WEST ALLOWING LARGE SCALE SUBSIDENCE AND
WARMING TEMPERATURES. MEAN NBM GUIDANCE CONTINUES TO SHOW SUPPORT
FOR HIGHS IN THE 60S AND 70S DURING THIS TIME.
A COLD FRONT ARRIVES SUNDAY NIGHT/MONDAY MORNING ON NW FLOW ALOFT.
A FEW ISOLATED SHOWERS MAY PRECEDE THE FRONT SUNDAY AFTERNOON,
BUT THEN SHOWERS HOLD TILL ABOUT MONDAY AND TAPER OFF. THERE WILL
NOT BE ANY WETTING RAINS WITH THIS ACTIVITY AS NOT EVEN A FEW
HUNDREDTHS HAVE MADE IT INTO ANY OF THE QPF FIELDS.
TUESDAY THROUGH THURSDAY CONDITIONS GO DRY AND AS A NEW RIDGE TO
THE WEST SLOWLY EXPANDS FROM THE PCNW TO THE FRONT RANGE AND
CENTRAL MONTANA.
FORECAST CONFIDENCE & DEVIATIONS:
LITTLE TO NO DEVIATIONS WERE OBSERVED.
HIGH CONFIDENCE IN WARMER TEMPERATURES AND DRY WEATHER THROUGH
SATURDAY.
CONFIDENCE IS LOW AT LARGER TIME SCALES INTO NEXT WEEK ON TIMING
AND PLACEMENT OF PRECIPITATION CHANCES.
GAH
AVIATION
LAST UPDATED: 0700Z
FLIGHT CAT RANGE: VFR.
DISCUSSION: QUIET WEATHER LOOKS TO CONTINUE WITH FEW MID TO HIGH
LEVEL CLOUD.
WIND: LIGHT AND VARIABLE THROUGH THE MORNING. BECOMING W TO NW AT
5 TO 10 KTS THIS AFTERNOON. BACKING TO S TO SW THIS EVENING.
GAH
GGW WATCHES/WARNINGS/ADVISORIES
NONE.
WEATHER.GOV/GLASGOW
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