FPUS65 KTFX 200634
AFPTFX

Central and Southwest Montana Area Forecast
National Weather Service Great Falls MT
1233 AM MDT Wed May 20 2026

MTZ301>314-316>318-211200-
Central Montana-
National Weather Service Great Falls MT
1233 AM MDT Wed May 20 2026


.REST OF TONIGHT...Mostly cloudy. Chance of rain showers. Chance
of thunderstorms in the afternoon. Highs 50 to 60...45 to 55 in
the mountains. Lows 30 to 40. 
.THURSDAY...Mostly cloudy. Highs 55 to 65...45 to 55 in the
mountains. 
.THURSDAY NIGHT...Partly cloudy. Lows 35 to 40...30 to 35 in the
mountains. 
.FRIDAY...Partly cloudy. Highs 60 to 70. 
.SATURDAY...Partly cloudy. Lows 40 to 45. Highs 70 to 80. 
.SUNDAY...Partly cloudy. Lows 45 to 50. Highs 75 to 85. 
.MEMORIAL DAY...Partly cloudy. Chance of rain. Lows 45 to 55.
Highs 75 to 85. 

$$

MTZ315-319>330-211200-
Southwest Montana-
National Weather Service Great Falls MT
1233 AM MDT Wed May 20 2026


.REST OF TONIGHT...Chance of showers and thunderstorms in the
afternoon. Rain showers, snow showers and slight chance of
thunderstorms in the evening, then chance of rain and snow after
midnight. Highs 55 to 60...45 to 55 in the mountains. Lows 30 to
35. 
.THURSDAY...Mostly cloudy in the morning then becoming partly
cloudy. Chance of snow. Highs 50 to 60...40 to 50 in the
mountains. 
.THURSDAY NIGHT...Mostly clear. Lows 25 to 35. 
.FRIDAY...Partly cloudy. Highs 55 to 65. 
.SATURDAY...Mostly clear. Lows 35 to 40. Highs 65 to 75. 
.SUNDAY...Partly cloudy. Lows 40 to 45. Highs 70 to 80. 
.MEMORIAL DAY...Partly cloudy. Lows 40 to 50. Highs 70 to 80. 

$$