306
FPUS65 KTFX 181833
AFPTFX

Central and Southwest Montana Area Forecast
National Weather Service Great Falls MT
1233 PM MDT Sat Jul 18 2026

MTZ301>314-316>318-190000-
Central Montana-
National Weather Service Great Falls MT
1233 PM MDT Sat Jul 18 2026


.REST OF TODAY...Sunny. Highs 90 to 95...75 to 85 in the
mountains.
.TONIGHT...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 60 to 65...50 to 60 in the mountains.
.SUNDAY...Sunny then becoming mostly clear. Highs 85 to 95...
75 to 85 in the mountains. West winds around 20 mph in the
afternoon.
.MONDAY...Mostly clear. Lows 55 to 60. Highs 75 to 85.
.TUESDAY...Partly cloudy. Lows 55 to 60. Highs 80 to 90.
.WEDNESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 55 to 65. Highs 85 to 95.

$$

MTZ315-319>330-190000-
Southwest Montana-
National Weather Service Great Falls MT
1233 PM MDT Sat Jul 18 2026


.REST OF TODAY...Sunny. Slight chance of showers and
thunderstorms. Highs 85 to 95...75 to 85 in the mountains.
.TONIGHT...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows 50 to 60.
.SUNDAY...Sunny then becoming partly cloudy. Slight chance of
showers and thunderstorms in the afternoon and evening. Highs
85 to 95...75 to 85 in the mountains.
.MONDAY...Partly cloudy. Lows 50 to 60. Highs 80 to 90.
.TUESDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 55 to 60. Highs 75 to 85.
.WEDNESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows 55 to 60. Highs 75 to 85.

$$