Sunday
Partly sunny
High:
57°F
Partly sunny, with a high near 57. South southwest wind 3 to 6 mph.
Lewistown, MT Weather - Extended Forecast
Sunday Night
Mostly cloudy
Overnight low:
33°F
Mostly cloudy, with a low around 33. West southwest wind 7 to 9 mph.
Monday
Mostly sunny
High:
48°F
Mostly sunny, with a high near 48. Breezy, with a west wind 11 to 16 mph increasing to 17 to 22 mph in the morning. Winds could gust as high as 33 mph.
Monday Night
Mostly cloudy
Overnight low:
28°F
Mostly cloudy, with a low around 28. West wind 8 to 15 mph, with gusts as high as 26 mph.
Tuesday
Mostly sunny
High:
47°F
Tuesday Night
Partly cloudy
Overnight low:
27°F
Wednesday
Mostly sunny
High:
55°F
Wednesday Night
Partly cloudy
Overnight low:
34°F
Thursday
Sunny
High:
58°F