166
FXUS65 KGGW 101933
AFDGGW
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GLASGOW MT
133 PM MDT TUE MAR 10 2026
KEY MESSAGES
- HIGH WIND WATCH IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY
AFTERNOON FOR ALL OF NORTHEAST MONTANA.
- A WINTER STORM WATCH IS IN EFFECT FOR PETROLEUM, GARFIELD AND
SOUTHWEST PHILIPS COUNTIES LATE THURSDAY NIGHT THROUGH SATURDAY.
THIS SYSTEM COULD BRING A SIGNIFICANT IMPACT TO NEWBORN
LIVESTOCK.
- EXPECT WIND CHILLS POSSIBLY BELOW ZERO SUNDAY MORNING.
DISCUSSION
WEATHER PATTERN OVERVIEW:
A WEAK WAVE ON NEARLY ZONAL FLOW ALOFT TONIGHT COULD BRING SOME
LIGHT SNOW TO MAINLY ALONG THE CANADIAN BORDER. LITTLE TO NO
ACCUMULATION IS EXPECTED.
TEMPERATURES WILL MODERATE SOME THE NEXT 2 DAYS. THE NORTHERN
HIGH PLAINS WILL REMAIN UNDER THE INFLUENCE OF NORTHERN STREAM
ZONAL FLOW, WHICH WILL SEND PACIFIC MOISTURE OUR WAY LATE IN THE
WEEK AND THE WEEKEND.
A WARM FRONT WILL MOVE INTO NE MONTANA WEDNESDAY NIGHT WITH SOME
OVERRUNNING MOISTURE BRINGING SNOW THAT WILL MIX WITH RAIN IN SOME
AREAS SOUTH OF THE MISSOURI RIVER. THE SURFACE LOW MOVES ALONG THE
MT/CANADA BORDER THURSDAY MORNING WITH A COLD FRONT MOVING SOUTH
THROUGH THE FORECAST BETWEEN LATE MORNING AND MID AFTERNOON. THERE
WILL BE HIGH WINDS AND RAIN AND SNOW OCCURRING DURING THE DAY ON
THURSDAY. A HIGH WIND WATCH HAS BEEN ISSUED FOR THE ENTIRE CWA
THURSDAY, BUT STARTING EARLIEST IN SW PHILLIPS COUNTY. THE WATCH
EXPIRES AT 6 PM. WINDS WILL DIMINISH THURSDAY EVENING AS THE LOW
MOVES TO THE EAST.
BETWEEN THURSDAY NIGHT AND SATURDAY, THE FRONT WILL BE QUASI-
STATIONARY TO THE SOUTH AND WEST CLOSE ENOUGH TO THE FORECAST AREA
THAT OVERRUNNING MOISTURE WILL BRING FREQUENT SNOW WITH SIGNIFICANT
ACCUMULATIONS POSSIBLE, MAINLY IN THE SOUTHWESTERN 3 ZONES OF THE
CWA. A WINTER STORM WATCH HAS BEEN ISSUED TO AMOUNTS UP TO 12
INCHES.
THIS HAS THE POTENTIAL TO BE A LONG DURATION SIGNIFICANT EVENT
WITH IMPACTS TO TRAVEL AND MAY CAUSE STRESS ON NEWBORN LIVESTOCK.
THOSE WITH TRAVEL PLANS OR INTERESTS IN THE AREA WILL WANT TO
MONITOR FOR FORECAST UPDATES IN THE COMING DAYS AS THIS LATE
WINTER SEASON STORM TAKES SHAPE.
FORECAST CONFIDENCE & DEVIATIONS:
BLENDED NBM90 WITH WINDS AND GUSTS FOR THURSDAY AND THURSDAY
EVENING.
BLENDED SREF WITH POPS FOR TONIGHT.
CONFIDENCE IN SNOW AMOUNTS HAVE INCREASED SLIGHTLY STARTING
THURSDAY NIGHT BUT THE CONFIDENCE LEVEL IS MODERATE AT BEST.
AMOUNTS AND PLACEMENT WILL CONTINUE TO BE TWEAKED THROUGH THIS
WEEK. TFJ
AVIATION
UPDATED: 1930Z
FLIGHT CAT RANGE: VFR
DISCUSSION: REMNANTS OF SNOW SHOWERS DEVELOPING THIS AFTERNOON
OVER NORTH-CENTRAL MONTANA THIS AFTERNOON WILL MOVE EAST OVER THE
TAF SITES TONIGHT. THERE MAY BE SOME LIGHT SNOW SHOWERS LEFTOVER
AND SOME LOW-VFR CLOUDS BUT NOTHING MORE IS EXPECTED.
WIND: LIGHT AND VARIABLE TONIGHT BECOMING W 8 TO 15 KTS AFTER 06Z.
TFJ
GGW WATCHES/WARNINGS/ADVISORIES
HIGH WIND WATCH FROM THURSDAY MORNING THROUGH THURSDAY AFTERNOON
FOR CENTRAL AND SOUTHEAST PHILLIPS-CENTRAL AND SOUTHERN VALLEY-
DANIELS-DAWSON-EASTERN ROOSEVELT-GARFIELD-MCCONE-NORTHERN
PHILLIPS-NORTHERN VALLEY-PETROLEUM-PRAIRIE-RICHLAND-SHERIDAN-
WESTERN ROOSEVELT-WIBAUX.
WINTER STORM WATCH FROM LATE THURSDAY NIGHT THROUGH SATURDAY
AFTERNOON FOR GARFIELD-PETROLEUM-SOUTHWEST PHILLIPS.
HIGH WIND WATCH FROM THURSDAY MORNING THROUGH THURSDAY AFTERNOON
FOR SOUTHWEST PHILLIPS.
WEATHER.GOV/GLASGOW
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