475
FPUS65 KTFX 182343
AFPTFX
CENTRAL AND SOUTHWEST MONTANA AREA FORECAST
NATIONAL WEATHER SERVICE GREAT FALLS MT
542 PM MDT SAT JUL 18 2026
MTZ301>314-316>318-191200-
CENTRAL MONTANA-
NATIONAL WEATHER SERVICE GREAT FALLS MT
542 PM MDT SAT JUL 18 2026
...SEVERE THUNDERSTORM WATCH 497 IN EFFECT UNTIL 10 PM MDT THIS
EVENING FOR EAST GLACIER PARK REGION...NORTHERN HIGH
PLAINS...EASTERN GLACIER, WESTERN TOOLE, AND CENTRAL
PONDERA...EASTERN TOOLE AND LIBERTY...HILL COUNTY...NORTHERN
BLAINE COUNTY...SOUTHERN ROCKY MOUNTAIN FRONT...SOUTHERN HIGH
PLAINS...EASTERN PONDERA AND EASTERN TETON...WESTERN AND CENTRAL
CHOUTEAU COUNTY...BEARS PAW MOUNTAINS AND SOUTHERN
BLAINE...CASCADE COUNTY BELOW 5000FT...JUDITH BASIN COUNTY AND
JUDITH GAP...FERGUS COUNTY BELOW 4500FT...GATES OF THE
MOUNTAINS...LITTLE BELT AND HIGHWOOD MOUNTAINS...SNOWY AND JUDITH
MOUNTAINS...
TONIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 60 TO 65...50 TO 60 IN THE
MOUNTAINS.
SUNDAY...SUNNY. HIGHS 85 TO 95
75 TO 85 IN THE MOUNTAINS. WEST
WINDS AROUND 20 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 50 TO 60.
MONDAY
MOSTLY CLEAR. HIGHS 75 TO 85.
TUESDAY
PARTLY CLOUDY. LOWS 55 TO 60. HIGHS 80 TO 90.
WEDNESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 55 TO 65. HIGHS 85 TO 95.
THURSDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 60 TO 65. HIGHS 85 TO 95.
MTZ315-319>330-191200-
SOUTHWEST MONTANA-
NATIONAL WEATHER SERVICE GREAT FALLS MT
542 PM MDT SAT JUL 18 2026
...SEVERE THUNDERSTORM WATCH 497 IN EFFECT UNTIL 10 PM MDT THIS
EVENING FOR UPPER BLACKFOOT AND MACDONALD PASS...HELENA
VALLEY...BIG BELT, BRIDGER AND CASTLE MOUNTAINS...MEAGHER COUNTY
VALLEYS...ELKHORN AND BOULDER MOUNTAINS...CANYON FERRY
AREA...MISSOURI HEADWATERS...MADISON RIVER VALLEY...GALLATIN
VALLEY...BEAVERHEAD AND WESTERN MADISON BELOW 6000FT...RUBY
MOUNTAINS AND SOUTHERN BEAVERHEAD MOUNTAINS...GALLATIN AND
MADISON COUNTY MOUNTAINS AND CENTENNIAL MOUNTAINS...
TONIGHT
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING. LOWS 50 TO 60.
SUNDAY
SUNNY. SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS 85 TO 95...75 TO 85 IN THE MOUNTAINS.
SUNDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS.
LOWS 50 TO 60.
MONDAY
MOSTLY CLEAR. HIGHS 80 TO 90.
TUESDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 55 TO 60. HIGHS 75 TO 85.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 55 TO 60. HIGHS 75 TO 85.
THURSDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 55 TO 60. HIGHS 75 TO 85.
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