405
FXUS65 KGGW 312017
AFDGGW
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GLASGOW MT
117 PM MST SAT JAN 31 2026
DISCUSSION
KEY MESSAGES:
- ABOVE AVERAGE TEMPERATURES AND BREEZY CONDITIONS TODAY.
- ANOTHER DISTURBANCE WILL BRING WINTRY MIX ON MONDAY, MOSTLY IN
THE FAR NORTHEAST PART OF THE AREA.
WEATHER PATTERN OVERVIEW:
A WARM FRONT THIS AFTERNOON HAS ALLOWED TEMPERATURES TO WARM ABOVE
FREEZING WITH BREEZY CONDITIONS. A COLD FRONT WILL SWING THROUGH
TO DROP TEMPERATURES DOWN FOR TOMORROW ABOUT TEN DEGREES FOR MOST
LOCATIONS. THE NEXT WAVE OF MOISTURE IS SUPPOSED TO MOVE IN MONDAY
WITH AN ASSOCIATED SHORTWAVE TROUGH. PRECIPITATION AMOUNTS ARE
LIKELY TO REMAIN BELOW ONE TENTH OF AN INCH.
ABOVE NORMAL TEMPERATURES ARE EXPECTED FOR SEVERAL DAYS INTO THE
WORK WEEK FOLLOWING THE SYSTEM ON MONDAY AS A RIDGE BUILDS INTO
THE AREA. THERE IS POTENTIAL FOR THURSDAY TO BE THE WARMEST DAY,
WITH SPRING LIKE TEMPERATURES EXPECTED ACROSS CENTRAL MONTANA.
FORECAST CONFIDENCE & DEVIATIONS:
DEVIATIONS FROM NBM INCLUDED NBM90 WINDS AND WIND GUSTS ON DAY 1
INTO DAY 2 FOR THE LITTLE ROCKIES, GLASGOW, AND FORT PECK.
THERE IS MODERATE CONFIDENCE OF PRECIPITATION AMOUNTS REMAINING
BELOW 0.1 INCHES ON MONDAY.
CONFIDENCE IS HIGH IN ABOVE AVERAGE TEMPERATURES FOR HIGHS
STARTING TODAY THROUGH THE WORK WEEK.
CONFIDENCE IS LOW IN FREEZING RAIN OCCURRING IN THE EAST ON
MONDAY, AND CONFIDENCE IS MODERATE THAT SNOW WILL OCCUR.
AVIATION
UPDATED: 2100Z
FLIGHT CAT RANGE: VFR - MVFR
DISCUSSION: WARM AND BREEZY CONDITIONS HAVE TAKEN HOLD. ALTHOUGH
VFR CONDITIONS ARE OVER TAF SITES CURRENTLY, A COLD FRONT WILL
MOVE THROUGH THIS EVENING. THERE IS MODERATE TO HIGH CONFIDENCE
(50 TO 70 PERCENT) OF MVFR CONDITIONS OCCURRING FROM 6Z TO 12Z,
AND THEN THERE IS MODERATE CONFIDENCE (50 PERCENT) OF ALL SITES
REACHING IFR CONDITIONS FROM 12Z TO 20Z. THEN VFR IS EXPECTED
AFTER 20Z.
WIND: WEST NORTHWEST 20 TO 30 KNOTS WITH GUSTS TO 40 KNOTS,
DECREASING TO 8 TO 13 KNOTS AFTER 03Z, BECOMING LIGHT AND VARIABLE
AFTER 12Z. KGGW WILL THEN BECOME SOUTHEAST AT 7 TO 12 KNOTS AFTER
18Z.
LLWS: THERE IS MODERATE CONFIDENCE OF WESTERLY LOW LEVEL WIND
SHEAR FROM 00Z TO 12Z.
GGW WATCHES/WARNINGS/ADVISORIES
NONE.
WEATHER.GOV/GLASGOW
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