758
FPUS65 KTFX 190938
AFPTFX
CENTRAL AND SOUTHWEST MONTANA AREA FORECAST
NATIONAL WEATHER SERVICE GREAT FALLS MT
337 AM MDT SAT SEP 19 2026
MTZ301>314-316>318-200000-
CENTRAL MONTANA-
NATIONAL WEATHER SERVICE GREAT FALLS MT
337 AM MDT SAT SEP 19 2026
...FLASH FLOOD WATCH IN EFFECT THROUGH THIS EVENING FOR LITTLE
BELT AND HIGHWOOD MOUNTAINS...
TODAY...MOSTLY CLOUDY. CHANCE OF RAIN. HIGHS 60 TO 70
50 TO
60 IN THE MOUNTAINS.
TONIGHT
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 CLOUDY IN THE MORNING THEN CLEARING. HIGHS 65 TO
75...55 TO 65 IN THE MOUNTAINS.
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 50. HIGHS 70 TO 80.
MTZ315-319>330-200000-
SOUTHWEST MONTANA-
NATIONAL WEATHER SERVICE GREAT FALLS MT
337 AM MDT SAT SEP 19 2026
...FLOOD WATCH IN EFFECT THROUGH THIS AFTERNOON FOR HELENA
VALLEY...MEAGHER COUNTY VALLEYS...CANYON FERRY AREA...GALLATIN
VALLEY...
...FLASH FLOOD WATCH IN EFFECT THROUGH THIS EVENING FOR BIG BELT,
BRIDGER AND CASTLE MOUNTAINS...ELKHORN AND BOULDER MOUNTAINS...
...FLASH FLOOD WATCH IN EFFECT THROUGH THIS AFTERNOON FOR
NORTHWEST BEAVERHEAD COUNTY...
TODAY
PATCHY FOG IN THE MORNING. RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING, THEN RAIN SHOWERS LIKELY
AND CHANCE OF THUNDERSTORMS IN THE AFTERNOON. SOME THUNDERSTORMS
MAY PRODUCE HEAVY RAINFALL. HIGHS 55 TO 60...45 TO 55 IN THE
MOUNTAINS.
TONIGHT
MOSTLY CLOUDY. CHANCE OF RAIN THROUGH THE NIGHT.
PATCHY FOG AFTER MIDNIGHT. LOWS 35 TO 45.
SUNDAY
MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY IN THE
AFTERNOON THEN BECOMING MOSTLY CLEAR. PATCHY FOG IN THE MORNING.
HIGHS 60 TO 70...50 TO 60 IN THE MOUNTAINS.
MONDAY
MOSTLY CLEAR. LOWS 35 TO 45. HIGHS 65 TO 75.
TUESDAY
MOSTLY CLEAR. LOWS 40 TO 45. HIGHS 65 TO 75.
WEDNESDAY
MOSTLY CLEAR. LOWS 40 TO 50. HIGHS 65 TO 75.
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