Sunday
Sunny
High:
39°F
Sunny, with a high near 39. Calm wind becoming east 5 to 8 mph in the afternoon.
Lewistown, MT Weather - Extended Forecast
Sunday Night
Mostly clear
Overnight low:
22°F
Mostly clear, with a low around 22. East southeast wind 5 to 10 mph, with gusts as high as 18 mph.
Monday
Mostly sunny
High:
45°F
Mostly sunny, with a high near 45. Calm wind becoming east southeast around 5 mph in the afternoon.
Monday Night
Partly cloudy
Overnight low:
27°F
Partly cloudy, with a low around 27. Southeast wind 5 to 10 mph becoming light south southeast after midnight.
Tuesday
Chance of rain
High:
45°F
Tuesday Night
Rain or snow likely
Overnight low:
24°F
Wednesday
Chance of snow
High:
38°F
Wednesday Night
Chance of snow
Overnight low:
20°F
Thursday
Chance of snow
High:
39°F
Thursday Night
Mostly cloudy
Overnight low:
21°F
Friday
Mostly sunny
High:
44°F