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FPUS65 KTFX 062139
AFPTFX

Central and Southwest Montana Area Forecast
National Weather Service Great Falls MT
338 PM MDT Sun Sep 6 2026

MTZ301>314-316>318-071200-
Central Montana-
National Weather Service Great Falls MT
338 PM MDT Sun Sep 6 2026

...FLOOD WATCH IN EFFECT THROUGH TUESDAY MORNING FOR East Glacier
Park Region...Northern High Plains...Eastern Glacier, Western
Toole, and Central Pondera...Eastern Toole and Liberty...Southern
Rocky Mountain Front...Southern High Plains...Eastern Pondera and
Eastern Teton...

.TONIGHT...Mostly cloudy. Chance of thunderstorms in the evening.
Chance of rain showers through the night. Slight chance of
thunderstorms after midnight. Patchy fog after midnight. Some
thunderstorms may be severe in the evening. Lows 45 to 55...40 to
50 in the mountains.
.LABOR DAY...Cloudy. Rain showers and slight chance of
thunderstorms. Highs 60 to 70...50 to 60 in the mountains. West
winds 20 to 25 mph with gusts to 40 mph in the afternoon.
.MONDAY NIGHT...Mostly cloudy. Chance of rain showers through the
night. Lows 45 to 50...35 to 45 in the mountains. West winds
20 to 30 mph with gusts to 45 mph.
.TUESDAY...Mostly cloudy. Chance of rain showers. Highs 55 to 65.
West winds 20 to 25 mph with gusts to 40 mph.
.WEDNESDAY...Mostly clear. Lows 40 to 45. Highs 65 to 75.
.THURSDAY...Mostly clear. Lows 45 to 55. Highs 70 to 80.
.FRIDAY...Mostly cloudy. Cooler. Chance of rain showers. Lows
45 to 50. Highs 55 to 65.

$$

MTZ315-319>330-071200-
Southwest Montana-
National Weather Service Great Falls MT
338 PM MDT Sun Sep 6 2026


.TONIGHT...Increasing clouds. Slight chance of rain showers in
the evening. Slight chance of thunderstorms through the night.
Chance of rain showers after midnight. Some thunderstorms may be
severe in the evening. Lows 40 to 50.
.LABOR DAY...Mostly cloudy in the morning then becoming partly
cloudy. Chance of rain showers and slight chance of thunderstorms
through the day. Highs 55 to 65...50 to 60 in the mountains. West
winds 20 to 25 mph in the afternoon. Gusts up to 40 mph.
.MONDAY NIGHT...Mostly clear. Colder. Lows 35 to 45...30 to 40 in
the mountains. Gusts up to 35 mph in the evening.
.TUESDAY...Mostly clear. 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.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 40 to 50. Highs 60 to 70.

$$