025
FPUS65 KTFX 210634
AFPTFX
CENTRAL AND SOUTHWEST MONTANA AREA FORECAST
NATIONAL WEATHER SERVICE GREAT FALLS MT
1233 AM MDT THU MAY 21 2026
MTZ301>314-316>318-221200-
CENTRAL MONTANA-
NATIONAL WEATHER SERVICE GREAT FALLS MT
1233 AM MDT THU MAY 21 2026
REST OF TONIGHT
MOSTLY CLOUDY. CHANCE OF RAIN AFTER MIDNIGHT.
SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. PATCHY FOG IN THE
MORNING. HIGHS 55 TO 60...45 TO 55 IN THE MOUNTAINS. LOWS 35 TO
40...25 TO 35 IN THE MOUNTAINS.
FRIDAY...PARTLY CLOUDY. HIGHS 65 TO 70
50 TO 60 IN THE
MOUNTAINS.
FRIDAY NIGHT...PARTLY CLOUDY. LOWS 40 TO 45
35 TO 40 IN THE
MOUNTAINS.
SATURDAY
MOSTLY CLEAR. HIGHS 70 TO 80.
SUNDAY
PARTLY CLOUDY. LOWS 45 TO 50. HIGHS 75 TO 85.
MEMORIAL DAY
PARTLY CLOUDY. CHANCE OF RAIN. LOWS 45 TO 50.
HIGHS 75 TO 85.
TUESDAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS 45 TO 55. HIGHS 70 TO 80.
MTZ315-319>330-221200-
SOUTHWEST MONTANA-
NATIONAL WEATHER SERVICE GREAT FALLS MT
1233 AM MDT THU MAY 21 2026
REST OF TONIGHT
SNOW AND RAIN AFTER MIDNIGHT, THEN CHANCE OF
SNOW SHOWERS AND RAIN IN THE MORNING. SLIGHT CHANCE OF RAIN
SHOWERS, THUNDERSTORMS AND SNOW SHOWERS IN THE AFTERNOON. HIGHS
50 TO 55...40 TO 50 IN THE MOUNTAINS. LOWS 25 TO 35.
FRIDAY...PARTLY CLOUDY. HIGHS 60 TO 65
50 TO 60 IN THE
MOUNTAINS.
FRIDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS
30 TO 40.
SATURDAY
MOSTLY CLEAR. HIGHS 65 TO 75.
SUNDAY
PARTLY CLOUDY. LOWS 40 TO 45. HIGHS 65 TO 75.
MEMORIAL DAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS 40 TO
45. HIGHS 70 TO 80.
TUESDAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS 40 TO 50. HIGHS 60 TO 70.
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