786
FPUS65 KTFX 130553
AFPTFX
CENTRAL AND SOUTHWEST MONTANA AREA FORECAST
NATIONAL WEATHER SERVICE GREAT FALLS MT
1152 PM MDT TUE MAY 12 2026
MTZ301>314-316>318-131200-
CENTRAL MONTANA-
NATIONAL WEATHER SERVICE GREAT FALLS MT
1153 PM MDT TUE MAY 12 2026
...HIGH WIND WARNING IN EFFECT FROM 6 PM WEDNESDAY TO MIDNIGHT
MDT THURSDAY NIGHT FOR EAST GLACIER PARK REGION...NORTHERN HIGH
PLAINS...EASTERN GLACIER, WESTERN TOOLE, AND CENTRAL
PONDERA...SOUTHERN ROCKY MOUNTAIN FRONT...SOUTHERN HIGH PLAINS...
...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT WEDNESDAY NIGHT TO
6 PM MDT THURSDAY FOR EASTERN TOOLE AND LIBERTY...EASTERN PONDERA
AND EASTERN TETON...CASCADE COUNTY BELOW 5000FT...JUDITH BASIN
COUNTY AND JUDITH GAP...
...HIGH WIND WARNING IN EFFECT FROM 3 AM THURSDAY TO MIDNIGHT MDT
THURSDAY NIGHT 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...
REST OF TONIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. LOWS 45 TO 50.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS THROUGH THE
DAY. CHANCE OF THUNDERSTORMS IN THE AFTERNOON. SOME THUNDERSTORMS
MAY BE SEVERE WITH DAMAGING WINDS. HIGHS 85 TO 95...70 TO 80 IN
THE MOUNTAINS. SOUTHWEST WINDS 20 TO 25 MPH WITH GUSTS TO 45 MPH
IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLOUDY. COLDER. THUNDERSTORMS LIKELY
AND CHANCE OF RAIN SHOWERS. SOME THUNDERSTORMS MAY BE SEVERE WITH
DAMAGING WINDS. LOWS 40 TO 50...30 TO 40 IN THE MOUNTAINS. WEST
WINDS 25 TO 35 MPH INCREASING TO 30 TO 45 MPH AFTER MIDNIGHT.
GUSTS UP TO 65 MPH.
THURSDAY
MOSTLY CLEAR. COOLER. HIGHS 60 TO 70. WEST WINDS
30 TO 45 MPH WITH GUSTS TO 65 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 40 TO 45. HIGHS 55 TO 65.
SATURDAY
MOSTLY CLOUDY. LOWS 35 TO 40. HIGHS 50 TO 60.
SUNDAY
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW SHOWERS. LOWS
30 TO 35. HIGHS 45 TO 55.
MTZ315-319>330-131200-
SOUTHWEST MONTANA-
NATIONAL WEATHER SERVICE GREAT FALLS MT
1153 PM MDT TUE MAY 12 2026
...HIGH WIND WARNING IN EFFECT FROM 6 PM WEDNESDAY TO MIDNIGHT
MDT THURSDAY NIGHT FOR UPPER BLACKFOOT AND MACDONALD PASS...
...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE WEDNESDAY NIGHT
THROUGH THURSDAY AFTERNOON FOR HELENA VALLEY...
...HIGH WIND WARNING IN EFFECT FROM NOON TO 9 PM MDT WEDNESDAY
FOR BIG BELT, BRIDGER AND CASTLE MOUNTAINS...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...
REST OF TONIGHT
PARTLY CLOUDY. LOWS 45 TO 50.
WEDNESDAY
INCREASING CLOUDS. CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. SOME THUNDERSTORMS MAY PRODUCE DAMAGING WINDS IN THE
AFTERNOON. HIGHS 80 TO 90...65 TO 75 IN THE MOUNTAINS. SOUTHWEST
WINDS 20 TO 30 MPH WITH GUSTS TO 60 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING.
COLDER. CHANCE OF SHOWERS AND THUNDERSTORMS. SOME THUNDERSTORMS
MAY PRODUCE DAMAGING WINDS. LOWS 30 TO 40. WEST WINDS 25 TO
35 MPH DECREASING TO 20 TO 25 MPH AFTER MIDNIGHT. GUSTS UP TO
55 MPH.
THURSDAY
MOSTLY CLEAR. HIGHS 55 TO 65. WEST WINDS 20 TO 30 MPH
WITH GUSTS TO 55 MPH.
FRIDAY
MOSTLY CLEAR. LOWS 35 TO 40. HIGHS 55 TO 65.
SATURDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW
SHOWERS. LOWS 30 TO 35. HIGHS 45 TO 55.
SUNDAY
MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS, RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. LOWS 25 TO 30. HIGHS 40 TO 50.
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