953
FXUS65 KGGW 030946
AFDGGW
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GLASGOW MT
246 AM MST TUE FEB 3 2026
DISCUSSION
KEY MESSAGES:
- A DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM THIS MORNING
FOR AREAS ALONG AND EAST OF MT 24.
- ANOTHER CHANCE FOR WINTRY MIX IS FORECAST FOR TODAY.
- OTHERWISE, DRY AND MILD WEATHER IS EXPECTED STARTING ON
WEDNESDAY AND CONTINUE THROUGH THE WEEKEND.
WEATHER PATTERN OVERVIEW:
A WARM FRONT WILL MOVE EAST ACROSS THE FORECAST AREA THIS MORNING
WHILE A COLD FRONT WILL DROP SOUTH FROM CANADA THIS AFTERNOON AS A
SHORTWAVE TROUGH THE AREA ON NW FLOW ALOFT. LOW CLOUDS AND DENSE
FOG HAS COVERED AREAS EAST OF OPHEIM, GLASGOW AND TERRY OVERNIGHT
AND IS EXPECTED TO LINGER INTO THE DAYLIGHT HOURS OF THIS MORNING.
A DENSE FOG ADVISORY IS IN EFFECT UNTIL 10 AM THIS MORNING.
MEANWHILE, THE WARM FRONT THIS MORNING WILL BRING A CHANCE OF A
WINTRY MIX OF LIGHT RAIN, FREEZING RAIN AND LIGHT SNOW DEPENDING
ON TEMPERATURES. THEN, THE COLD FRONT THIS AFTERNOON WILL BRING A
CHANCE OF LIGHT RAIN AND LIGHT SNOW MAINLY IN THE EAST.
CLOUD COVER OVER MOST OF THE FORECAST AREA TONIGHT WILL LIMIT THE
CHANCES FOR FOG ACROSS THE AREA.
UPPER RIDGE WILL BUILD INTO THE AREA ON WEDNESDAY WITH VERY WARM
AIR FOR EARLY FEBRUARY. LINGERING SNOW COVER IN THE NORTH WILL
LIMIT TEMPERATURES THERE. AT THIS POINT. THURSDAY IS EXPECTED TO
BE THE WARMEST DAY AHEAD OF A DRY BACK DOOR COLD FRONT THURSDAY
NIGHT. TEMPERATURES WILL BE SOMEWHAT COOLER ON FRIDAY BUT STILL
WELL ABOVE NORMAL. THE ABOVE NORMAL TEMPERATURES WILL CONTINUE
THROUGH THE WEEKEND DRY WEATHER.
FORECAST CONFIDENCE & DEVIATIONS:
CONFIDENCE IS LOW IN FREEZING RAIN POSSIBILITIES ACROSS PORTIONS
OF THE AREA THIS TOMORROW MORNING AND LOW ON PRECIPITATION
CHANCES THIS AFTERNOON.
CONFIDENCE IS HIGH IN ABOVE AVERAGE TEMPERATURES FOR THE AREA FOR THE
NEXT SEVERAL DAYS.
NO DEVIATIONS FROM THE NBM AT THIS TIME.
AVIATION
UPDATED: 0930Z
FLIGHT CAT RANGE: VFR TO VLIFR.
DISCUSSION: A STATIONARY FRONT OVERNIGHT FROM WHITEWATER TO
GLASGOW TO TERRY ALLOWED LOW CLOUDS TO SET UP IN THESE LOCATIONS
AND AREAS TO THE EAST OF THIS LINE. DENSE FOG AND LOW CLOUDS HAS
BROUGHT LIFR AND VLIFR CONDITION OVERNIGHT WHICH WILL CONTINUE
UNTIL 15 TO 17Z THIS MORNING. THE FRONT WILL MOVE EAST AS A WARM
FRONT THIS MORNING AND PUSH THE LOW CLOUDS TO THE EAST AND LIFT
THE FOG. THERE WILL BE A CHANCE OF LIGHT SNOW OR FREEZING RAIN
WITH THE WARM FRONT THIS MORNING. CONDITIONS WILL IMPROVE TO VFR
BY LATE MORNING WITH A MIX OF LOW AND MID LEVEL CLOUDS.
A COLD FRONT WILL MOVE SOUTH ACROSS THE REGION THIS AFTERNOON
WITH CHANCES FOR LIGHT RAIN OR LIGHT SNOW IN THE EAST. LOW CLOUDS
WITH THE FRONT WILL BRING MVFR CEILINGS FOR MOST OF THE TAF SITES
TONIGHT. KGGW HAS A GOOD CHANCE OF REMAINING VFR.
WIND: VARIABLE LESS THAN 10 KNOTS EARLY BECOMING NW 5 TO 15 KNOTS
THIS MORNING AND AFTERNOON. NW WINDS WILL DIMINISH THIS EVENING
AND BECOME LIGHT AND VARIABLE AFTER 06Z.
GGW WATCHES/WARNINGS/ADVISORIES
DENSE FOG ADVISORY UNTIL 10 AM MST THIS MORNING FOR CENTRAL AND
SOUTHERN VALLEY-DANIELS-DAWSON-EASTERN ROOSEVELT-MCCONE-NORTHERN
VALLEY-PRAIRIE-RICHLAND-SHERIDAN-WESTERN ROOSEVELT-WIBAUX.
WEATHER.GOV/GLASGOW
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