418
FPUS65 KTFX 182138
AFPTFX
CENTRAL AND SOUTHWEST MONTANA AREA FORECAST
NATIONAL WEATHER SERVICE GREAT FALLS MT
337 PM MDT TUE AUG 18 2026
MTZ301>314-316>318-191200-
CENTRAL MONTANA-
NATIONAL WEATHER SERVICE GREAT FALLS MT
337 PM MDT TUE AUG 18 2026
TONIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. PATCHY SMOKE THROUGH THE NIGHT.
LOWS 50 TO 60...45 TO 55 IN THE MOUNTAINS.
WEDNESDAY...PARTLY CLOUDY. PATCHY SMOKE. HIGHS 80 TO 85
70 TO
80 IN THE MOUNTAINS.
WEDNESDAY NIGHT
PARTLY CLOUDY. PATCHY SMOKE IN THE EVENING.
LOWS 50 TO 60.
THURSDAY
MOSTLY CLEAR. HIGHS 75 TO 85.
FRIDAY
MOSTLY CLEAR. LOWS 50 TO 55. HIGHS 80 TO 90.
SATURDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 55 TO 60. HIGHS 80 TO 90.
SUNDAY
MOSTLY CLEAR. SLIGHT CHANCE OF RAIN SHOWERS. LOWS 55 TO
60. HIGHS 75 TO 85.
MTZ315-319>330-191200-
SOUTHWEST MONTANA-
NATIONAL WEATHER SERVICE GREAT FALLS MT
337 PM MDT TUE AUG 18 2026
TONIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. SLIGHT
CHANCE OF RAIN SHOWERS IN THE EVENING. LOWS 45 TO 55.
WEDNESDAY...SUNNY. HIGHS 75 TO 85
65 TO 75 IN THE MOUNTAINS.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS 45 TO 55.
THURSDAY
MOSTLY CLEAR. HIGHS 75 TO 85.
FRIDAY
PARTLY CLOUDY. CHANCE OF RAIN SHOWERS. LOWS 50 TO 55.
HIGHS 75 TO 85.
SATURDAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS 55 TO 60. HIGHS 75 TO 85.
SUNDAY
PARTLY CLOUDY. LOWS 50 TO 55. HIGHS 70 TO 80.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page