856
FPUS65 KTFX 070533
AFPTFX

Central and Southwest Montana Area Forecast
National Weather Service Great Falls MT
1133 PM MDT Sun Sep 6 2026

MTZ301>314-316>318-071200-
Central Montana-
National Weather Service Great Falls MT
1133 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...
...SEVERE THUNDERSTORM WATCH 662 IN EFFECT UNTIL 1 AM MDT
MONDAY FOR Northern Blaine County...Bears Paw Mountains and
Southern Blaine...Judith Basin County and Judith Gap...Fergus
County below 4500ft...Snowy and Judith Mountains...

.REST OF TONIGHT...Mostly cloudy. Chance of thunderstorms late 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 with damaging winds,
large hail, and heavy rainfall late in the evening. Some
thunderstorms may produce damaging winds, large hail, and heavy
rainfall after midnight. Lows 45 to 55...40 to 50 in the
mountains.
.LABOR DAY...Mostly cloudy. Rain showers and chance of
thunderstorms. Some thunderstorms may produce heavy rainfall.
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. 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. Rain showers. Highs 55 to 65. West
winds 20 to 25 mph with gusts to 35 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
40 to 50. Highs 55 to 65.

$$

MTZ315-319>330-071200-
Southwest Montana-
National Weather Service Great Falls MT
1133 PM MDT Sun Sep 6 2026


.REST OF TONIGHT...Mostly cloudy. Slight chance of thunderstorms
through the night. Chance of rain showers after midnight. Some
thunderstorms may be severe with damaging winds and large hail
late in the evening. Some thunderstorms may produce damaging
winds and large hail after midnight. Lows 40 to 50.
.LABOR DAY...Mostly cloudy in the morning then becoming partly
cloudy. Chance of rain showers and slight chance of
thunderstorms. Highs 55 to 65...50 to 60 in the mountains. West
winds 20 to 25 mph in the afternoon. Gusts up to 35 mph.
.MONDAY NIGHT...Mostly clear. Colder. Lows 30 to 40. Gusts up to
35 mph in the evening.
.TUESDAY...Mostly clear. Highs 55 to 65.
.WEDNESDAY...Clear. Lows 35 to 40. Highs 65 to 75.
.THURSDAY...Mostly clear. Lows 40 to 50. Highs 70 to 80.
.FRIDAY...Partly cloudy. Slight chance of rain showers. Lows
40 to 50. Highs 60 to 70.

$$