180
FXUS65 KGGW 282000
AFDGGW
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GLASGOW MT
200 PM MDT WED MAY 28 2025
DISCUSSION
KEY MESSAGES:
- GENERALLY DRY CONDITIONS AND SLOWLY WARMING TEMPERATURES WILL
CONTINUE THROUGH SATURDAY.
- SUNDAY WILL BE THE WARMEST DAY WITH A CHANCE OF AFTERNOON AND
EVENING THUNDERSTORMS.
- WIDESPREAD RAIN AND COOLER TEMPERATURES POSSIBLE STARTING
SUNDAY NIGHT AND CONTINUING FOR SEVERAL DAYS.
WEATHER PATTERN OVERVIEW:
UPPER LOW OVER THE UPPER MIDWEST WILL SLOWLY DRIFT EAST AS AN
UPPER RIDGE BUILDS INTO THE NORTHERN ROCKIES. THIS WILL LEAD TO A
GENERAL WARMING TREND ACROSS EASTERN MONTANA THE NEXT SEVERAL
DAYS. A WEAK SHORTWAVE WILL SLIDE THROUGH THE RIDGE ON FRIDAY,
WITH A FEW SHOWERS AND THUNDERSTORMS POSSIBLE MAINLY ACROSS THE
NORTH. COLD FRONT WITH THE WAVE WILL BRING STRONGER NORTHWEST
WINDS, WHICH MAY BE ENOUGH FOR A LAKE WIND ADVISORY. BEYOND THIS
WEEKEND, AN UPPER TROUGH/LOW MOVING INTO THE PACIFIC NORTHWEST
WILL DISPLACE THE RIDGE, AND LEAD TO COOLER AND WETTER WEATHER FOR
THE FIRST WEEK OF JUNE.
FORECAST CONFIDENCE & DEVIATIONS:
HIGH CONFIDENCE ON THE WARMING TREND THROUGH SUNDAY. LOW
CONFIDENCE OF ANY PRECIPITATION CHANCES UNTIL SUNDAY NIGHT.
PRETTY MUCH WENT WITH THE NBM THROUGH THE ENTIRE 7 DAY PERIOD.
AVIATION
LAST UPDATED: 0230Z
FLIGHT CAT RANGE: VFR.
DISCUSSION: THERE WILL BE SOME DAYTIME CUMULUS ALONG A NORTH-
SOUTH FRONTAL BOUNDARY THIS AFTERNOON. HAZE IN MID AND HIGH
LEVELS FROM A WILDFIRE IN SASKATCHEWAN WILL ALSO BE VISIBLE TODAY
AND TONIGHT ESPECIALLY ACROSS KSDY AND KGDV.
WIND: E TO SE AT 5 TO 10KTS THROUGH THE AFTERNOON CALMING TO 5 TO
10 KTS THIS EVENING THEN VEERING S TO SE THURSDAY MORNING.
GAH
GGW WATCHES/WARNINGS/ADVISORIES
NONE.
WEATHER.GOV/GLASGOW
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