Tuesday
Mostly sunny
High:
42°F
Mostly sunny, with a high near 42. Light and variable wind becoming south southeast around 6 mph in the afternoon.
Lewistown, MT Weather - Extended Forecast
Tuesday Night
Mostly cloudy
Overnight low:
23°F
Mostly cloudy, with a low around 23. Southeast wind 6 to 9 mph.
Wednesday
Mostly sunny
High:
56°F
Mostly sunny, with a high near 56. South southeast wind 6 to 8 mph.
Wednesday Night
Chance of rain
Overnight low:
32°F
A chance of rain. Mostly cloudy, with a low around 32. East southeast wind 7 to 11 mph, with gusts as high as 18 mph.
Thursday
Rain
High:
50°F
Thursday Night
Rain or snow likely
Overnight low:
23°F
Friday
Chance of snow
High:
38°F
Friday Night
Chance of snow
Overnight low:
21°F
Saturday
Mostly sunny
High:
48°F