517
FPUS65 KTFX 201858
AFPTFX
CENTRAL AND SOUTHWEST MONTANA AREA FORECAST
NATIONAL WEATHER SERVICE GREAT FALLS MT
1258 PM MDT MON APR 20 2026
MTZ301>314-316>318-210000-
CENTRAL MONTANA-
NATIONAL WEATHER SERVICE GREAT FALLS MT
1258 PM MDT MON APR 20 2026
...WINTER STORM WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH
THURSDAY AFTERNOON FOR JUDITH BASIN COUNTY AND JUDITH
GAP...FERGUS COUNTY BELOW 4500FT...SNOWY AND JUDITH MOUNTAINS...
...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH
THURSDAY AFTERNOON FOR LITTLE BELT AND HIGHWOOD MOUNTAINS...
REST OF TODAY...SUNNY. HIGHS 70 TO 75
60 TO 70 IN THE
MOUNTAINS.
TONIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS 40 TO
45.
TUESDAY...INCREASING CLOUDS. HIGHS 75 TO 80
65 TO 75 IN THE
MOUNTAINS.
WEDNESDAY
RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS.
LOWS 45 TO 50. HIGHS 65 TO 75.
THURSDAY
MUCH COLDER. RAIN AND CHANCE OF SNOW. LOWS 30 TO 35.
HIGHS 35 TO 45.
FRIDAY
MOSTLY CLOUDY. CHANCE OF SNOW. LOWS 20 TO 25. HIGHS
35 TO 45.
MTZ315-319>330-210000-
SOUTHWEST MONTANA-
NATIONAL WEATHER SERVICE GREAT FALLS MT
1258 PM MDT MON APR 20 2026
...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH
THURSDAY AFTERNOON FOR BIG BELT, BRIDGER AND CASTLE
MOUNTAINS...GALLATIN AND MADISON COUNTY MOUNTAINS AND CENTENNIAL
MOUNTAINS...
REST OF TODAY...PARTLY CLOUDY. HIGHS 65 TO 75
55 TO 65 IN THE
MOUNTAINS.
TONIGHT
PARTLY CLOUDY. LOWS 35 TO 45.
TUESDAY...INCREASING CLOUDS. HIGHS 70 TO 80
60 TO 70 IN THE
MOUNTAINS. SOUTH WINDS 20 TO 25 MPH WITH GUSTS TO 40 MPH IN THE
AFTERNOON.
WEDNESDAY
COOLER. RAIN, SNOW AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 35 TO 45. HIGHS 50 TO 60.
THURSDAY
COLDER, SNOW. LOWS 30 TO 35. HIGHS 35 TO 45.
FRIDAY
MOSTLY CLOUDY. CHANCE OF SNOW. LOWS 20 TO 25. HIGHS
30 TO 40.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page