FPUS65 KTFX 210634
AFPTFX

Central and Southwest Montana Area Forecast
National Weather Service Great Falls MT
1233 AM MDT Tue Apr 21 2026

MTZ301>314-316>318-221200-
Central Montana-
National Weather Service Great Falls MT
1233 AM MDT Tue Apr 21 2026

...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE WEDNESDAY NIGHT
THROUGH THURSDAY AFTERNOON FOR Judith Basin County and Judith
Gap...Fergus County below 4500ft...Snowy and Judith Mountains...
...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY EVENING
THROUGH THURSDAY AFTERNOON FOR Little Belt and Highwood
Mountains...

.REST OF TONIGHT...Partly cloudy. Highs 75 to 80...65 to 75 in
the mountains. Lows 40 to 55.
.WEDNESDAY...Mostly cloudy. Chance of rain showers through the
day. Slight chance of thunderstorms in the afternoon. Highs 70 to
80...55 to 65 in the mountains. West winds 20 to 25 mph with
gusts to 35 mph in the afternoon.
.WEDNESDAY NIGHT...Cloudy, colder. Rain showers and slight chance
of thunderstorms in the evening, then rain and snow after
midnight. Lows 25 to 30. Northwest winds 20 to 30 mph with gusts
to 45 mph.
.THURSDAY...Mostly cloudy. Much colder. Chance of snow. Highs
35 to 40. Northwest winds 20 to 30 mph with gusts to 45 mph.
.FRIDAY...Mostly cloudy. Chance of snow. Lows 20 to 25. Highs
30 to 40.
.SATURDAY...Mostly cloudy. Slight chance of snow. Lows 20 to 25.
Highs 35 to 45.
.SUNDAY...Mostly cloudy. Slight chance of snow. Lows 20 to 25.
Highs 40 to 45.

$$

MTZ315-319>330-221200-
Southwest Montana-
National Weather Service Great Falls MT
1233 AM MDT Tue Apr 21 2026

...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY EVENING
THROUGH THURSDAY AFTERNOON FOR Big Belt, Bridger and Castle
Mountains...Gallatin and Madison County Mountains and Centennial
Mountains...

.REST OF TONIGHT...Partly cloudy. Highs 70 to 80...60 to 70 in
the mountains. Lows 35 to 45. South winds around 20 mph with
gusts to 40 mph.
.WEDNESDAY...Mostly cloudy. Snow showers with rain showers likely
through the day. Slight chance of thunderstorms in the afternoon.
Highs 55 to 65...45 to 55 in the mountains. South winds 20 to
30 mph with gusts to 45 mph.
.WEDNESDAY NIGHT...Cloudy, colder. Rain showers, snow showers and
slight chance of thunderstorms in the evening, then snow and rain
after midnight. Lows 30 to 35...25 to 30 in the mountains. West
winds 20 to 30 mph with gusts to 35 mph.
.THURSDAY...Mostly cloudy. Colder, snow. Highs 30 to 40.
Northwest winds 20 to 25 mph with gusts to 35 mph.
.FRIDAY...Snow likely. Lows 15 to 25. Highs 25 to 35.
.SATURDAY...Mostly cloudy. Slight chance of snow. Lows 15 to 20.
Highs 35 to 45.
.SUNDAY...Mostly cloudy. Slight chance of snow. Lows 20 to 25.
Highs 35 to 45.

$$