140
FPUS65 KTFX 122138
AFPTFX
CENTRAL AND SOUTHWEST MONTANA AREA FORECAST
NATIONAL WEATHER SERVICE GREAT FALLS MT
337 PM MDT TUE MAY 12 2026
MTZ301>314-316>318-131200-
CENTRAL MONTANA-
NATIONAL WEATHER SERVICE GREAT FALLS MT
337 PM MDT TUE MAY 12 2026
...HIGH WIND WATCH NOW IN EFFECT FROM WEDNESDAY EVENING THROUGH
THURSDAY EVENING FOR EAST GLACIER PARK REGION...NORTHERN HIGH
PLAINS...EASTERN GLACIER, WESTERN TOOLE, AND CENTRAL
PONDERA...SOUTHERN ROCKY MOUNTAIN FRONT...SOUTHERN HIGH PLAINS...
...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE WEDNESDAY NIGHT
THROUGH THURSDAY AFTERNOON FOR EASTERN TOOLE AND
LIBERTY...CASCADE COUNTY BELOW 5000FT...JUDITH BASIN COUNTY AND
JUDITH GAP...
...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE WEDNESDAY NIGHT
THROUGH THURSDAY EVENING FOR HILL COUNTY...NORTHERN BLAINE
COUNTY...WESTERN AND CENTRAL CHOUTEAU COUNTY...BEARS PAW
MOUNTAINS AND SOUTHERN BLAINE...FERGUS COUNTY BELOW
4500FT...SNOWY AND JUDITH MOUNTAINS...
TONIGHT
PARTLY CLOUDY. LOWS 45 TO 50.
WEDNESDAY
INCREASING CLOUDS. SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. SOME THUNDERSTORMS MAY BE SEVERE. HIGHS 80 TO 90...
65 TO 75 IN THE MOUNTAINS. SOUTH WINDS 20 TO 25 MPH WITH GUSTS TO
45 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. SOME THUNDERSTORMS MAY BE SEVERE.
LOWS 40 TO 50...25 TO 40 IN THE MOUNTAINS. WEST WINDS 25 TO
35 MPH WITH GUSTS TO 60 MPH.
THURSDAY
MOSTLY CLEAR. COOLER. CHANCE OF RAIN SHOWERS. HIGHS
60 TO 70. WEST WINDS 30 TO 40 MPH WITH GUSTS TO 60 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 35 TO 45. HIGHS 60 TO 70.
SATURDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS 35 TO 40.
HIGHS 55 TO 65.
SUNDAY
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW. LOWS 30 TO 40.
HIGHS 45 TO 55.
MTZ315-319>330-131200-
SOUTHWEST MONTANA-
NATIONAL WEATHER SERVICE GREAT FALLS MT
337 PM MDT TUE MAY 12 2026
...HIGH WIND WATCH NOW IN EFFECT FROM WEDNESDAY EVENING THROUGH
THURSDAY EVENING FOR UPPER BLACKFOOT AND MACDONALD PASS...
...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE WEDNESDAY NIGHT
THROUGH THURSDAY AFTERNOON FOR HELENA VALLEY...
...HIGH WIND WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH
WEDNESDAY EVENING FOR CANYON FERRY AREA...MISSOURI
HEADWATERS...MADISON RIVER VALLEY...GALLATIN VALLEY...NORTHWEST
BEAVERHEAD COUNTY...BEAVERHEAD AND WESTERN MADISON BELOW
6000FT...RUBY MOUNTAINS AND SOUTHERN BEAVERHEAD
MOUNTAINS...GALLATIN AND MADISON COUNTY MOUNTAINS AND CENTENNIAL
MOUNTAINS...
TONIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
EVENING. LOWS 45 TO 50.
WEDNESDAY
INCREASING CLOUDS. SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. HIGHS 80 TO 90...65 TO 75 IN THE MOUNTAINS.
SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 55 MPH IN THE
AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLOUDY. COLDER. CHANCE OF RAIN SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS. SOME THUNDERSTORMS MAY BE
SEVERE. LOWS 30 TO 40. WEST WINDS 20 TO 30 MPH WITH GUSTS TO
55 MPH.
THURSDAY
MOSTLY CLEAR. HIGHS 55 TO 65. WEST WINDS 20 TO 30 MPH
WITH GUSTS TO 50 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 35 TO 40. HIGHS 55 TO 65.
SATURDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW. LOWS
30 TO 40. HIGHS 50 TO 60.
SUNDAY
MOSTLY CLOUDY. CHANCE OF SNOW AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 25 TO 30. HIGHS 40 TO 50.
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