081
FPUS65 KTFX 052138
AFPTFX

Central and Southwest Montana Area Forecast
National Weather Service Great Falls MT
337 PM MDT Sat Sep 5 2026

MTZ301>314-316>318-061200-
Central Montana-
National Weather Service Great Falls MT
338 PM MDT Sat Sep 5 2026


.TONIGHT...Increasing clouds. Chance of rain showers in the
evening. Slight chance of thunderstorms through the night. Slight
chance of rain showers after midnight. Patchy fog after midnight.
Lows 45 to 55...40 to 50 in the mountains.
.SUNDAY...Mostly cloudy. Patchy fog in the morning. Chance of
rain showers and slight chance of thunderstorms through the day.
Highs 65 to 75...60 to 70 in the mountains.
.SUNDAY NIGHT...Cloudy.  and patchy fog. Rain showers and slight
chance of thunderstorms. Lows 45 to 55...40 to 50 in the
mountains.
.LABOR DAY...Cloudy. Patchy fog. Rain showers and slight chance
of thunderstorms. Highs 60 to 70.
.TUESDAY...Mostly cloudy. Chance of rain showers. Lows 45 to 50.
Highs 60 to 70.
.WEDNESDAY...Mostly clear. Lows 40 to 45. Highs 70 to 80.
.THURSDAY...Mostly clear. Lows 45 to 50. Highs 70 to 80.

$$

MTZ315-319>330-061200-
Southwest Montana-
National Weather Service Great Falls MT
338 PM MDT Sat Sep 5 2026


.TONIGHT...Mostly clear. Patchy fog after midnight. Lows 40 to
50.
.SUNDAY...Partly cloudy. Areas of fog in the morning. Highs 70 to
80...60 to 70 in the mountains.
.SUNDAY NIGHT...Mostly cloudy. Rain showers likely and slight
chance of thunderstorms through the night. Patchy fog after
midnight. Lows 40 to 50.
.LABOR DAY...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms. Highs 55 to 65. Southwest winds around
20 mph with gusts to 40 mph.
.TUESDAY...Mostly clear. Lows 35 to 40. Highs 60 to 70.
.WEDNESDAY...Mostly clear. Lows 35 to 45. Highs 65 to 75.
.THURSDAY...Mostly clear. Lows 40 to 50. Highs 70 to 80.

$$