FPUS65 KTFX 220504
AFPTFX

Central and Southwest Montana Area Forecast
National Weather Service Great Falls MT
1103 PM MDT Fri Aug 21 2026

MTZ301>314-316>318-221200-
Central Montana-
National Weather Service Great Falls MT
1103 PM MDT Fri Aug 21 2026


.REST OF TONIGHT...Partly cloudy late in the evening then
becoming mostly cloudy. Lows 55 to 65. 
.SATURDAY...Mostly cloudy. Slight chance of showers and
thunderstorms through the day. Highs 85 to 90...75 to 85 in the
mountains. 
.SATURDAY NIGHT...Mostly cloudy. Slight chance of showers and
thunderstorms. Lows 55 to 65...50 to 60 in the mountains. 
.SUNDAY...Partly cloudy. Chance of showers and thunderstorms.
Highs 80 to 90. 
.MONDAY...Mostly clear. Lows 50 to 60. Highs 75 to 80. 
.TUESDAY...Mostly clear. Lows 50 to 55. Highs 75 to 85. 
.WEDNESDAY...Partly cloudy. Slight chance of rain showers. Lows
50 to 60. Highs 80 to 90. 

$$

MTZ315-319>330-221200-
Southwest Montana-
National Weather Service Great Falls MT
1103 PM MDT Fri Aug 21 2026


.REST OF TONIGHT...Mostly cloudy. Slight chance of showers and
Thunderstorms. Lows 55 to 60. 
.SATURDAY...Mostly cloudy. Slight chance of Thunderstorms in the
morning. Chance of showers through the day. Chance of
thunderstorms in the afternoon. Highs 80 to 85...70 to 80 in the
mountains. 
.SATURDAY NIGHT...Mostly cloudy in the evening then becoming
partly cloudy. Chance of showers and thunderstorms. Lows 50 to
60. 
.SUNDAY...Partly cloudy. Chance of showers and thunderstorms.
Highs 75 to 85. 
.MONDAY...Mostly clear. Lows 45 to 55. Highs 75 to 85. 
.TUESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 50 to 55. Highs 75 to 85. 
.WEDNESDAY...Mostly cloudy. Slight chance of showers and
thunderstorms. Lows 50 to 55. Highs 75 to 85. 

$$