037
FXUS65 KGGW 071025
AFDGGW
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GLASGOW MT
425 AM MDT FRI AUG 7 2026
KEY MESSAGES
- HIGH PRESSURE WILL BRING SLIGHTLY COOLER CONDITIONS TO THE
REGION TODAY.
- INCREASED WINDS AND TEMPERATURES ALONG WITH LOW RH WILL CREATE
CRITICAL FIRE WEATHER CONDITIONS FOR SATURDAY AFTERNOON AND
EVENING IN THE SOUTHWEST. A FIRE WEATHER WATCH IS IN EFFECT.
- GENERALLY SEASONABLE TEMPERATURES WITH OCCASIONAL SHOWERS ARE
EXPECTED FOR NEXT WEEK.
DISCUSSION
WEATHER PATTERN OVERVIEW:
UPPER TROUGH WILL LINGER ACROSS CENTRAL CANADA THROUGH THE NEXT
WEEK WITH AN UPPER RIDGE OVER THE ROCKIES. VARIOUS SHORTWAVES WILL
BE MOVING THROUGH THE RIDGE OVER THE NEXT WEEK, GRADUALLY
FLATTENING OUT THE RIDGE. OVER TIME THIS WILL BRING COOLER
TEMPERATURES AND SCATTERED SHOWERS.
IN THE SHORT TERM, HIGH PRESSURE WILL BRING LIGHT WINDS TODAY.
SATURDAY WILL SEE A SLIGHT JUMP IN TEMPERATURES ALONG WITH WINDS
AS A LOW PRESSURE SYSTEM MOVES ACROSS SOUTHERN MONTANA. THIS ALSO
LEADS INTO CRITICAL FIRE CONDITIONS FOR THE SOUTHWEST FIRE ZONES,
AND A FIRE WEATHER WATCH IS IN EFFECT FOR SATURDAY AFTERNOON AND
EVENING.
AS THE UPPER RIDGE FLATTENS, AND FLOW TURNS ZONAL, SMOKE WILL
LIKELY RETURN TO NORTHEAST MONTANA FOR NEXT WEEK.
FORECAST CONFIDENCE & DEVIATIONS:
NO CHANGES TO THE NBM EXCEPT TO ADD SMOKE AND HAZE FOR DAY 2.
CONFIDENCE FOR UPGRADING THE FIRE WEATHER WATCH IS MODERATE,
MAINLY DEPENDENT ON THE WINDS.
AVIATION
FLIGHT CAT RANGE: VFR.
DISCUSSION: DRY CONDITIONS ARE EXPECTED THROUGH THE CYCLE. SMOKE
IS EXPECTED TO REMAIN OUT OF THE REGION UNTIL LATE ON SATURDAY
AFTERNOON.
GGW WATCHES/WARNINGS/ADVISORIES
FIRE WEATHER WATCH FROM SATURDAY AFTERNOON THROUGH SATURDAY
EVENING FOR SOUTHERN PETROLEUM AND SOUTHERN GARFIELD COUNTIES-
THE LOWER MISSOURI RIVER BREAKS INCLUDING THE CHARLES M RUSSELL
NATIONAL WILDLIFE REFUGE.
WEATHER.GOV/GLASGOW
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