FPUS65 KTFX 190634
AFPTFX

Central and Southwest Montana Area Forecast
National Weather Service Great Falls MT
1233 AM MDT Tue May 19 2026

MTZ301>314-316>318-201200-
Central Montana-
National Weather Service Great Falls MT
1233 AM MDT Tue May 19 2026


.REST OF TONIGHT...Partly cloudy. Chance of rain showers and
slight chance of thunderstorms in the afternoon. Slight chance of
rain in the evening. Highs 60 to 65...45 to 55 in the mountains.
Lows 25 to 40. 
.WEDNESDAY...Cloudy. Chance of rain in the morning. Slight chance
of thunderstorms in the afternoon. Highs 55 to 60...45 to 55 in
the mountains. 
.WEDNESDAY NIGHT...Mostly cloudy. Chance of rain through the
night. Lows 35 to 40...30 to 35 in the mountains. 
.THURSDAY...Partly cloudy. Chance of rain. Highs 55 to 65. 
.FRIDAY...Partly cloudy. Lows 35 to 40. Highs 60 to 70. 
.SATURDAY...Partly cloudy. Lows 40 to 45. Highs 70 to 80. 
.SUNDAY...Partly cloudy. Lows 45 to 50. Highs 70 to 80. 

$$

MTZ315-319>330-201200-
Southwest Montana-
National Weather Service Great Falls MT
1233 AM MDT Tue May 19 2026


.REST OF TONIGHT...Partly cloudy. Slight chance of rain and snow
in the afternoon and evening. Highs 55 to 60...45 to 55 in the
mountains. Lows 25 to 40...20 to 35 in the mountains. 
.WEDNESDAY...Mostly cloudy. Slight chance of thunderstorms in the
afternoon. Highs 55 to 65...45 to 55 in the mountains. 
.WEDNESDAY NIGHT...Mostly cloudy. Rain showers and slight chance
of thunderstorms in the evening. Snow through the night. Rain
after midnight. Lows 30 to 40. 
.THURSDAY...Partly cloudy. Chance of rain and snow. Highs 50 to
60. 
.FRIDAY...Partly cloudy. Lows 30 to 35. Highs 55 to 65. 
.SATURDAY...Partly cloudy. Lows 35 to 40. Highs 65 to 75. 
.SUNDAY...Partly cloudy. Lows 40 to 45. Highs 65 to 75. 

$$