Sunday
Mostly sunny
High:
53°F
Mostly sunny, with a high near 53. Windy, with a west northwest wind 24 to 29 mph increasing to 31 to 36 mph in the afternoon. Winds could gust as high as 55 mph.
Lewistown, MT Weather - Extended Forecast
Sunday Night
Mostly clear
Overnight low:
27°F
Mostly clear, with a low around 27. West southwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 31 mph.
Monday
Mostly cloudy
High:
50°F
Mostly cloudy, with a high near 50. South wind around 6 mph.
Monday Night
Chance of rain or snow
Overnight low:
33°F
A chance of rain and snow before 3am, then a chance of rain. Mostly cloudy, with a low around 33. Southeast wind around 6 mph.
Tuesday
Chance of rain
High:
55°F
Tuesday Night
Mostly cloudy
Overnight low:
31°F
Wednesday
Partly sunny
High:
58°F
Wednesday Night
Mostly cloudy
Overnight low:
39°F
Thursday
Chance of rain
High:
57°F