928
FXUS65 KGGW 092015
AFDGGW
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GLASGOW MT
215 PM MDT FRI OCT 9 2026
KEY MESSAGES
- A WEATHER SYSTEM HAS A CHANCE OF BRINGING MIXED PRECIPITATION TO
THE REGION SUNDAY THROUGH MONDAY.
- COLDER TEMPERATURES FOLLOW FRIDAY NIGHT'S STRONG COLD FRONTAL
PASSAGE AND LINGER THROUGH NEXT WEEK.
- HEAVIEST RAINFALL EXPECTED SOUTH OF THE MISSOURI RIVER.
- ANOTHER CHANCE OF RAIN MOVES IN FOR WEDNESDAY AND THURSDAY,
GLANCING THE SE ZONES.
DISCUSSION
METEOROLOGICAL OVERVIEW:
HIGH TEMPERATURES IN THE 80S ARE POSSIBLE TODAY, DUE TO WEAK
RIDGING ALOFT WITH SHORTWAVE RIDGES EMBEDDED, COUPLED WITH A WARM
FRONTAL PASSAGE THIS AFTERNOON WILL CAUSE TEMPERATURES TO SPIKE
TO POTENTIAL RECORD BREAKING VALUES UPWARDS OF MID-80S. IT WILL
DEPEND ON HOW MUCH DIURNAL HEATING CAN BE SUPPLIED ONCE CLOUD
COVERAGE SCATTERS OUT OF THE REGION.
AFTER A VERY WARM AFTERNOON, A COLD FRONT ASSOCIATED WITH A
DIGGING UPPER TROUGH WILL BRING MUCH COOLER AIR INTO THE CWA THIS
WEEKEND. MOISTURE TRANSPORT AHEAD OF THE UPPER TROUGH WILL BRING
IN RAIN BEGINNING SATURDAY NIGHT.
IT IS BECOMING INCREASINGLY LIKELY THAT THIS INCOMING WEATHER
SYSTEM ON SUNDAY WILL BRING AT LEAST 0.1 INCH OF QPF TO OUR CWA,
WITH WETTER CONDITIONS OVER THE SOUTHERN ZONES. RAIN IS EXPECTED
WITH A POSSIBLE WINTRY MIX.
PRECIPITATION IS EXPECTED TO MOVE OUT LATE MONDAY.
TUESDAY AND BEYOND: DRIER AND SOMEWHAT WARMER CONDITIONS ARE
EXPECTED TUESDAY. ANOTHER SYSTEM BRUSHES MAINLY THE SOUTHEAST
ZONES WEDNESDAY AND THURSDAY. TEMPERATURES ARE EXPECTED TO BE NEAR
SEASONABLE NORMS.
FORECAST CONFIDENCE & DEVIATIONS:
CONFIDENCE IS LOW WITH PRECIPITATION TYPE.
CONFIDENCE IS HIGH WITH TEMPERATURES.
CONFIDENCE IS LOW WITH RESPECT TO THE TRACK OF THE LOW PRESSURE
CENTER WEDNESDAY AND THURSDAY.
FIN
AVIATION
LAST UPDATED: 2015Z
FLIGHT CAT RANGE: VFR
VFR CONDITIONS PREVAIL DURING THIS TAF PERIOD. CEILINGS REMAIN OVER
12,000 FT BUT LLWS AT KGDV AND KSDY MAY BE POSSIBLE LATE TONIGHT.
A COLD FRONT MOVES IN FROM THE NW LATE TONIGHT AND EARLY SATURDAY
TO BRING NW WINDS WITH GUSTS UP TO AROUND 20 KTS.
FIN
GGW WATCHES/WARNINGS/ADVISORIES
NONE.
WEATHER.GOV/GLASGOW
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