567
FXUS65 KGGW 040909
AFDGGW
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GLASGOW MT
209 AM MST WED FEB 4 2026
DISCUSSION
KEY MESSAGES:
- DRY AND MILD WEATHER IS EXPECTED TO CONTINUE.
- THURSDAY LOOKS TO BE THE WARMEST DAY AND QUITE WARM FOR
FEBRUARY ESPECIALLY OVER THE SOUTHERN ZONES.
WEATHER PATTERN OVERVIEW:
SHARP UPPER RIDGE OVER THE PACIFIC NW FLATTENS AND SPREADS EAST
LATER THIS WEEK, KEEPING MONTANA MILD AND DRY.
LOW CLOUDS WITH AREA OF FOG WILL BE OVER THE NE PART OF THE
FORECAST AREA THIS MORNING. A FEW LOCATIONS WILL HAVE DENSE FOG AT
TIMES. NOT SURE IF IT WILL COVER ENOUGH AREA TO WARRANT A DENSE
FOG ADVISORY. THE LOW CLOUDS WILL BE PUSHED EAST OF THE STATE BY
NOON TODAY WITH A WARM FRONT.
A VERY WARM AIRMASS FOR FEBRUARY WILL BE OVER MONTANA TONIGHT AND
THURSDAY WITH 850 MB TEMPERATURES +10 TO +12C. LINGERING SNOW
COVER WILL LIMIT TEMPERATURES SOMEWHAT IN THE NORTH. MEANWHILE,
BARE GROUND IN THE SOUTH WILL ALLOW FOR VERY WARM TEMPERATURES
ESPECIALLY ON THURSDAY. HIGH ON THURSDAY WILL DEPEND ON HOW MUCH
MIXING OCCURS WHICH IS MORE LIKELY IN THE SOUTH WHERE HIGHS WILL
BE IN THE 60S IN MOST AREAS AND NEAR 70 AROUND WINNETT. IF THE
WARM AIR ALOFT ENDS UP MIXING IN THE SNOW COVERED NORTH ON
THURSDAY, HIGHS WILL BE WARMER THEN THE 45 TO 50 IN THE CURRENT
FORECAST.
A BACK DOOR COLD FRONT WILL BRING SOMEWHAT COOLER TEMPERATURES ON
FRIDAY. THE RIDGE MOVES EAST AND FLATTENS ACROSS THE AREA OVER
THE WEEKEND WITH WARM AND DRY WEATHER.
A PACIFIC TROUGH MOVES IN ON MONDAY WITH CHANCES FOR LIGHT MIXED
PRECIPITATION.
FORECAST CONFIDENCE & DEVIATIONS:
CONFIDENCE IS HIGH IN ABOVE AVERAGE TEMPERATURES FOR THE AREA FOR THE
NEXT SEVERAL DAYS. HOWEVER, THE QUESTION OF MIXING ESPECIALLY ON
THURSDAY LOWERS THE CONFIDENCE ON THE TEMPERATURE FORECAST.
MINOR DEVIATIONS FROM THE NBM WERE MADE TO HIGH TEMPERATURE
THURSDAY, BLENDING WITH NBM75.
AVIATION
UPDATED: 0900Z
FLIGHT CAT RANGE: ANYWHERE FROM VFR TO VLIFR THIS MORNING. VFR
THIS AFTERNOON AND TONIGHT.
DISCUSSION: LOW CLOUDS COVERS AREAS ALONG AND EAST OF A LINE
THROUGH OPHEIM, WOLF POINT, AND WIBAUX AT 09Z. THE EDGE MAY DRIFT
SOMEWHAT FURTHER WEST THROUGH 12Z BEFORE BEING PUSHED EAST WITH A
WARM FRONT. THERE IS ALSO AREAS OF DENSE FOG WITH VISIBILITY OF
LESS THAN 1/4 MILE AT TIMES MAINLY ON THE WESTERN EDGE OF THESE
CLOUDS. OTHERWISE, THERE WILL BE SCT-BKN MID AND HIGH CLOUDS TODAY
FOLLOWED BY EITHER CLEAR SKIES OR SCATTERED MID LEVEL CLOUDS
TONIGHT.
WINDS: VARIABLE LESS THAN 10 KNOTS EARLY BECOMING SOUTH TO SE 5 TO
10 KNOTS THIS MORNING, WINDS WILL BECOME SW AND WEST 10 TO 15
KNOTS THIS AFTERNOON AND WEST TO NW 5 TO 15 KNOTS TONIGHT.
GGW WATCHES/WARNINGS/ADVISORIES
NONE.
WEATHER.GOV/GLASGOW
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