606
FXUS65 KGGW 170811
AFDGGW
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GLASGOW MT
211 AM MDT WED JUN 17 2026
KEY MESSAGES
- MUCH COOLER, WETTER, AND WIDESPREAD WINDY CONDITIONS EXPECTED
TODAY, WITH LAKE WIND ADVISORY CONDITIONS.
- NEAR AVERAGE TEMPERATURES AND UNSETTLED WEATHER RETURN LATE IN THE
WEEK.
DISCUSSION
WEATHER PATTERN OVERVIEW:
BLOCKING HUDSON BAY LOW MAINTAINS CYCLONIC NORTHWEST FLOW ACROSS
THE NORTHERN PLAINS THROUGH THE PERIOD. ANOTHER SHORTWAVE DROPS
THROUGH THE FLOW TODAY, ALONG WITH COLD AIR ADVECTION FOR WINDS
STRONG ENOUGH TO CONTINUE LAKE WIND ADVISORY THROUGH THE DAY.
WITH THE UNSTABLE NORTHWEST FLOW, POTENTIAL FOR SHOWERS AND
A FEW THUNDERSTORMS WILL CONTINUE TODAY.
AIRMASS WILL START TO WARM AND DRY INTO THE END OF THE WEEK WITH
INCREASING INFLUENCE FROM THE WESTERN RIDGE.
FORECAST CONFIDENCE & DEVIATIONS:
NO SIGNIFICANT CHANGES FROM THE NBM.
AVIATION
VFR. SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED THROUGH THE
TAF PERIOD WITH MVFR CONDITIONS POSSIBLE WHERE HEAVIER RAIN
OCCURS.
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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