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FXUS65 KGGW 171944
AFDGGW
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GLASGOW MT
144 PM MDT WED JUN 17 2026
KEY MESSAGES
- COOLER AND WETTER CONDITIONS EXPECTED TODAY, WITH A GRADUAL WARM
UP THROUGH THE END OF THE WEEK.
- NEAR AVERAGE TEMPERATURES AND UNSETTLED WEATHER TOMORROW AND
FRIDAY, THEN COOLING OFF AGAIN SUNDAY AND MONDAY.
DISCUSSION
WEATHER PATTERN OVERVIEW:
BLOCKING HUDSON BAY LOW MAINTAINS CYCLONIC NORTHWEST FLOW ACROSS
THE NORTHERN PLAINS THROUGH THE PERIOD BRINGING DAILY CHANCES FOR
AFTERNOON SHOWERS AND GENERAL THUNDERSTORMS. BY FRIDAY AN UPPER
LEVEL RIDGE STARTS TO BUILD, BRINGING WARMER AND DRIER CONDITIONS
TO THE REGION.
FORECAST CONFIDENCE & DEVIATIONS:
NO CHANGES FROM THE NBM.
AVIATION
UPDATED: 1900Z
FLIGHT CAT RANGE: VFR
DISCUSSION: SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP
THROUGH THE AFTERNOON, DIMINISHING AFTER 4Z. MVFR CONDITIONS ARE
POSSIBLE WHERE HEAVIER RAIN OCCURS.
WINDS: NW AT 20 TO 25 KTS, GUSTING 35 TO 40 KTS, LIGHTENING AFTER
3Z TONIGHT BECOMING W NW AT 5 TO 10 KTS.
GGW WATCHES/WARNINGS/ADVISORIES
LAKE WIND ADVISORY UNTIL 8 PM MDT THIS EVENING FOR CENTRAL AND
SOUTHEAST PHILLIPS-CENTRAL AND SOUTHERN VALLEY-GARFIELD-MCCONE-
PETROLEUM.
WEATHER.GOV/GLASGOW
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