Area Forecast Product
Issued by NWS Great Falls, MT

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286
FPUS65 KTFX 220919
AFPTFX

Central and Southwest Montana Area Forecast
National Weather Service Great Falls MT
318 AM MDT Tue Sep 22 2026

MTZ301>314-316>318-230000-
Central Montana-
National Weather Service Great Falls MT
318 AM MDT Tue Sep 22 2026


.TODAY...Sunny. Highs 75 to 80...65 to 75 in the mountains.
.TONIGHT...Mostly cloudy. Lows 50 to 55...45 to 50 in the
mountains.
.WEDNESDAY...Partly cloudy in the morning then clearing. Highs
70 to 80...60 to 70 in the mountains.
.THURSDAY...Mostly clear. Lows 45 to 50. Highs 75 to 85.
.FRIDAY...Partly cloudy. Chance of rain showers. Lows 50 to 55.
Highs 75 to 85.
.SATURDAY...Partly cloudy. Cooler. Chance of rain showers. Lows
45 to 50. Highs 55 to 65.

$$

MTZ315-319>330-230000-
Southwest Montana-
National Weather Service Great Falls MT
318 AM MDT Tue Sep 22 2026


.TODAY...Increasing clouds. Highs 65 to 75...60 to 70 in the
mountains.
.TONIGHT...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms. Lows 40 to 50.
.WEDNESDAY...Mostly clear. Highs 65 to 75...55 to 65 in the
mountains.
.THURSDAY...Mostly clear. Lows 40 to 50. Highs 65 to 75.
.FRIDAY...Partly cloudy. Lows 45 to 50. Highs 65 to 75.
.SATURDAY...Partly cloudy. Slight chance of rain showers. Lows
40 to 45. Highs 55 to 65.

$$