477
FXUS65 KGGW 162025
AFDGGW
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GLASGOW MT
225 PM MDT THU JUL 16 2026
KEY MESSAGES
- UPPER RIDGING WILL BRING WIDESPREAD 90 DEGREE TEMPERATURES
THROUGH THE WEEKEND AND ISOLATED TRIPLE DIGITS ON SUNDAY.
- DAILY CHANCES FOR ISOLATED THUNDERSTORMS, ESPECIALLY DURING THE
LATE EVENING AND NIGHTTIME HOURS.
DISCUSSION
WEATHER PATTERN OVERVIEW:
HIGH PRESSURE CENTERED OVER THE CENTRAL ROCKIES WILL CONTINUE TO
BRING VERY WARM TEMPERATURES WITH WIDESPREAD 90 DEGREE
TEMPERATURES THROUGH THE WEEKEND AND ISOLATED TRIPLE DIGITS ON
SUNDAY. THIS UPPER RIDGING IS EXPECTED TO BE THE DOMINANT FORCE
OVER THE WESTERN U.S., EXTENDING INTO EASTERN MONTANA, THROUGH
THE FORECAST CYCLE.
WEAK EMBEDDED SHORTWAVES COUPLED WITH DEEP MONSOONAL MOISTURE
WILL ALSO BE PRESENT AS WELL BRINGING HIGH PWATS AND DAILY CHANCES
FOR SHOWERS AND THUNDERSTORMS. THAT SAID, THE PREDICTABILITY OF
SPECIFIC TIMING AND PLACEMENT FOR CONVECTIVE BEHAVIOR WILL BE
DIFFICULT AT LARGER TIME SCALES.
FORECAST CONFIDENCE & DEVIATIONS:
BROUGHT IN STRONGER INFLUENCE FROM HRRR FOR POPS TODAY TO BETTER
MATCH NEIGHBORS. OTHERWISE, FOLLOWED NBM.
AVIATION
UPDATED: 1930Z
FLIGHT CATEGORY: VFR
DISCUSSION: DRY WEATHER CONDITIONS FOR TAF SITES TODAY OVERALL. A
WEAK DISTURBANCE COULD BRING ISOLATED SHOWERS TOMORROW EVENING.
WIND: NORTH AROUND 10 KTS DURING THE AFTERNOON, VEERING EAST AT
10 TO 15 KTS BY THE MORNING TOMORROW.
GGW WATCHES/WARNINGS/ADVISORIES
NONE.
WEATHER.GOV/GLASGOW
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