FPUS65 KTFX 211839
AFPTFX

Central and Southwest Montana Area Forecast
National Weather Service Great Falls MT
1238 PM MDT Tue Apr 21 2026

MTZ301>314-316>318-220000-
Central Montana-
National Weather Service Great Falls MT
1238 PM 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 TODAY...Partly cloudy. Highs 75 to 80...65 to 75 in the
mountains.
.TONIGHT...Mostly cloudy. Lows 45 to 55...40 to 50 in the
mountains.
.WEDNESDAY...Increasing clouds. Slight chance of thunderstorms in
the afternoon. Highs 65 to 75...55 to 65 in the mountains. West
winds 20 to 30 mph with gusts to 40 mph in the afternoon and
evening.
.THURSDAY...Much colder. Rain and chance of snow. Lows 25 to 35.
Highs 35 to 45.
.FRIDAY...Mostly cloudy. Chance of snow. Lows 20 to 25. Highs
30 to 40.
.SATURDAY...Mostly cloudy. Chance of snow. Lows 20 to 25. Highs
35 to 40.

$$

MTZ315-319>330-220000-
Southwest Montana-
National Weather Service Great Falls MT
1238 PM 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 TODAY...Mostly cloudy. Highs 70 to 80...60 to 70 in the
mountains.
.TONIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows 35 to 50.
.WEDNESDAY...Increasing clouds. Cooler. Snow and rain through the
day. Slight chance of thunderstorms in the afternoon. Highs 50 to
60...40 to 50 in the mountains. Southwest winds 20 to 30 mph.
Gusts up to 50 mph decreasing to 40 mph in the evening.
.THURSDAY...Snow. Lows 25 to 35. Highs 35 to 45.
.FRIDAY...Snow likely. Lows 20 to 25. Highs 25 to 35.
.SATURDAY...Mostly cloudy. Slight chance of snow. Lows 15 to 20.
Highs 30 to 40.

$$