381
FPUS65 KTFX 190424
AFPTFX
CENTRAL AND SOUTHWEST MONTANA AREA FORECAST
NATIONAL WEATHER SERVICE GREAT FALLS MT
1023 PM MDT FRI SEP 18 2026
MTZ301>314-316>318-191200-
CENTRAL MONTANA-
NATIONAL WEATHER SERVICE GREAT FALLS MT
1023 PM MDT FRI SEP 18 2026
...FLASH FLOOD WATCH IN EFFECT THROUGH SATURDAY EVENING FOR
LITTLE BELT AND HIGHWOOD MOUNTAINS...
REST OF TONIGHT
MOSTLY CLOUDY. CHANCE OF RAIN AFTER MIDNIGHT.
LOWS 50 TO 55...45 TO 50 IN THE MOUNTAINS.
SATURDAY
MOSTLY CLOUDY. CHANCE OF RAIN THROUGH THE DAY. HIGHS
60 TO 70...50 TO 60 IN THE MOUNTAINS.
SATURDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. CHANCE OF RAIN THROUGH THE NIGHT. LOWS 45 TO 50...
40 TO 45 IN THE MOUNTAINS.
SUNDAY
MOSTLY CLEAR. HIGHS 65 TO 75.
MONDAY
MOSTLY CLEAR. LOWS 45 TO 50. HIGHS 70 TO 80.
TUESDAY
MOSTLY CLEAR. LOWS 45 TO 50. HIGHS 70 TO 80.
WEDNESDAY
MOSTLY CLEAR. LOWS 45 TO 55. HIGHS 70 TO 80.
MTZ315-319>330-191200-
SOUTHWEST MONTANA-
NATIONAL WEATHER SERVICE GREAT FALLS MT
1023 PM MDT FRI SEP 18 2026
...FLOOD WATCH IN EFFECT THROUGH SATURDAY AFTERNOON FOR HELENA
VALLEY...MEAGHER COUNTY VALLEYS...CANYON FERRY AREA...GALLATIN
VALLEY...
...FLASH FLOOD WATCH IN EFFECT THROUGH SATURDAY EVENING FOR BIG
BELT, BRIDGER AND CASTLE MOUNTAINS...ELKHORN AND BOULDER
MOUNTAINS...
...FLASH FLOOD WATCH IN EFFECT THROUGH SATURDAY AFTERNOON FOR
NORTHWEST BEAVERHEAD COUNTY...
REST OF TONIGHT
CHANCE OF THUNDERSTORMS LATE IN THE EVENING.
RAIN SHOWERS THROUGH THE NIGHT. SLIGHT CHANCE OF THUNDERSTORMS
AFTER MIDNIGHT. PATCHY DENSE FOG AFTER MIDNIGHT. SOME
THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL LATE IN THE EVENING.
SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL AFTER MIDNIGHT.
LOWS 40 TO 50.
SATURDAY
CLOUDY. PATCHY DENSE FOG IN THE MORNING. RAIN SHOWERS
LIKELY AND CHANCE OF THUNDERSTORMS THROUGH THE DAY. SOME
THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL. HIGHS 55 TO 60...45 TO
55 IN THE MOUNTAINS.
SATURDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN THROUGH THE
NIGHT. PATCHY FOG AFTER MIDNIGHT. LOWS 40 TO 50...35 TO 45 IN THE
MOUNTAINS.
SUNDAY
PARTLY CLOUDY. HIGHS 60 TO 70.
MONDAY
MOSTLY CLEAR. LOWS 40 TO 45. HIGHS 65 TO 75.
TUESDAY
PARTLY CLOUDY. LOWS 40 TO 50. HIGHS 65 TO 75.
WEDNESDAY
MOSTLY CLEAR. LOWS 40 TO 50. HIGHS 65 TO 75.
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