207
FXUS65 KGGW 140743
AFDGGW
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GLASGOW MT
143 AM MDT THU MAY 14 2026
KEY MESSAGES
- A RED FLAG WARNING IS IN EFFECT UNTIL 9 PM FRIDAY EVENING.
- A HIGH WIND WARNING IS IN EFFECT THROUGH MIDNIGHT TONIGHT.
STRONG WEST WINDS ARE EXPECTED TODAY WITH STRONG LOW PRESSURE
OVER SOUTHERN SASKATCHEWAN.
- STRONG WEST WINDS WILL CONTINUE ON FRIDAY BUT THEY WILL BE NOT
AS STRONG AS THEY WILL BE TODAY.
DISCUSSION
WEATHER PATTERN OVERVIEW:
STACKED SURFACE AND UPPER LOW WILL DRIFT ACROSS SOUTHERN
SASKATCHEWAN TODAY. THIS WILL BRING STRONG WEST WINDS ACROSS NE
MONTANA WITH COOLER TEMPERATURES. WILL KEEP HIGH WIND WARNING IN
EFFECT TODAY AND THROUGH MIDNIGHT TONIGHT FOR THE HIGH WINDS.
WRAP AROUND SHOWERS AROUND THIS LOW COULD BRING A FEW SHOWERS AT
TIMES TODAY ALONG THE CANADIAN BORDER.
WITH THE SUSTAINED WINDS BEING HIGHER THAN THE MIN RH FOR MOST OF
TODAY AND FRIDAY, WILL KEEP THE RED FLAG WARNING IN EFFECT INTO
FRIDAY EVENING. NASA GREENNESS MAPS WERE SHOWING GREENNESS IN THE
SW ZONES, BUT TO KEEP THINGS SIMPLE, WILL MAINTAIN THE WARNING FOR
ALL AREAS.
WHILE WINDS WILL DROP BELOW HIGH WIND WARNING CRITERIA TONIGHT,
THEY WILL REMAIN STRONG ON FRIDAY WITH WEST WINDS 25 TO 35 MPH
WITH GUSTS TO 40 TO 50 MPH. A LAKE WIND ADVISORY IS EXPECTED FOR
FORT PECK LAKE ON FRIDAY. A SHORTWAVE TROUGH ON ZONAL FLOW ALOFT
WILL BRING A CHANCE FOR SHOWERS ALONG THE CANADIAN BORDER FRIDAY
AFTERNOON.
WINDS WILL DIMINISH FRIDAY NIGHT WITH HIGH PRESSURE MOVING INTO
THE AREA AND LIGHT WINDS ARE EXPECTED ON SATURDAY.
UPPER TROUGH WILL MOVE THROUGH THE AREA BETWEEN SUNDAY AND TUESDAY
WITH CHANCES FOR SHOWERS AND COOLER TEMPERATURES.
FORECAST CONFIDENCE & DEVIATIONS:
NO DEVIATIONS WERE MADE.
THERE IS HIGH CONFIDENCE IN WINDY CONDITIONS TODAY AND FRIDAY.
THERE IS LOW CONFIDENCE ON TIMING ANY SHOWERS ACROSS THE REGION.
AVIATION
LAST UPDATED: 0800Z
FLIGHT CAT RANGE: VFR MOST OF THE TIME, AREAS OF MVFR AND IFR
TODAY.
DISCUSSION:
STRONG LOW PRESSURE OVER SOUTHERN SASKATCHEWAN TODAY WILL PRODUCE
STRONG WEST WINDS. VISIBILITY REDUCTIONS WILL OCCUR AT TIMES WITH
BLOWING DUST WHICH WILL CREATE AREAS OF MVFR AND IFR CONDITIONS.
THERE WILL BE VARYING AMOUNTS OF CLOUDS TODAY AS A DRY SLOT WILL
CLEAR SKIES THIS MORNING. EITHER WRAP AROUND MOISTURE OR DAY TIME
CUMULUS WILL BRING SOME LOW VFR AND MID LEVEL CLOUDS BACK INTO THE
REGION DURING THE DAY. SKIES WILL BE MOSTLY CLEAR TONIGHT.
WINDS: WEST 25 TO 35 KNOTS WITH GUSTS TO 40 TO 50 KNOTS TODAY,
DIMINISHING TO 15 TO 25 KNOTS WITH GUSTS TO 30 KNOTS TONIGHT.
EQUIPMENT: NO OBS FROM KSDY. TAF WILL BE AMD NOT SKED UNTIL OBS
RETURN.
FIRE WEATHER
CRITICAL FIRE WEATHER WILL CONTINUE TODAY AND FRIDAY ACROSS
NORTHEAST MONTANA. STRONG WEST WINDS 25 TO 50 MPH WITH GUSTS TO
50 TO 70 MPH ARE EXPECTED TODAY WITH MIN RH IN THE 20S IN MOST
AREAS AND IN THE 30S NEAR THE CANADIAN BORDER. THE STRONGEST
WINDS TODAY WILL BE NORTH OF THE MISSOURI RIVER.
WEST WINDS ON FRIDAY WILL BE 25 TO 35 MPH WITH GUSTS TO 40 TO 50
MPH WITH MIN RH IN THE 20S IN MOST AREAS AND IN THE 30S NEAR THE
CANADIAN BORDER.
GGW WATCHES/WARNINGS/ADVISORIES
HIGH WIND WARNING UNTIL MIDNIGHT MDT TONIGHT FOR CENTRAL AND
SOUTHEAST PHILLIPS-CENTRAL AND SOUTHERN VALLEY-DANIELS-DAWSON-
EASTERN ROOSEVELT-GARFIELD-MCCONE-NORTHERN PHILLIPS-NORTHERN
VALLEY-PETROLEUM-PRAIRIE-RICHLAND-SHERIDAN-SOUTHWEST PHILLIPS-
WESTERN ROOSEVELT-WIBAUX.
RED FLAG WARNING UNTIL 9 PM MDT FRIDAY FOR
DAWSON/MCCONE/PRAIRIE/RICHLAND/WIBAUX COUNTIES-FORT PECK
RESERVATION AND DANIELS/ROOSEVELT/SHERIDAN COUNTIES-NORTHERN
VALLEY AND NORTHERN PHILLIPS COUNTIES-SOUTHERN PETROLEUM AND
SOUTHERN GARFIELD COUNTIES-THE LITTLE ROCKIES-THE LOWER MISSOURI
RIVER BREAKS INCLUDING THE CHARLES M RUSSELL NATIONAL WILDLIFE
REFUGE.
WEATHER.GOV/GLASGOW
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