Sunday
Mostly cloudy
High:
47°F
Mostly cloudy, with a high near 47. Southwest wind 16 to 20 mph, with gusts as high as 33 mph.
Lewistown, MT Weather - Extended Forecast
Sunday Night
Chance of rain
Overnight low:
36°F
A 30 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 36. West southwest wind 14 to 17 mph, with gusts as high as 28 mph.
Monday
Mostly sunny
High:
44°F
Mostly sunny, with a high near 44. Breezy, with a west wind 18 to 22 mph, with gusts as high as 36 mph.
Monday Night
Chance of rain
Overnight low:
31°F
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 31. Southwest wind 9 to 11 mph, with gusts as high as 22 mph.
Tuesday
Chance of rain or snow
High:
42°F
Tuesday Night
Chance of rain or snow
Overnight low:
27°F
Wednesday
Mostly sunny
High:
41°F
Wednesday Night
Partly cloudy
Overnight low:
26°F
Thursday
Mostly sunny
High:
48°F
Thursday Night
Partly cloudy
Overnight low:
29°F
Friday
Partly sunny
High:
43°F