Tuesday
Mostly sunny
High:
65°F
A 30 percent chance of rain after noon. Mostly sunny, with a high near 65. Breezy, with a south southwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.
Lewistown, MT Weather - Extended Forecast
Tuesday Night
Chance rain/snow and blustery
Overnight low:
25°F
A chance of rain before 9pm, then a chance of rain and snow between 9pm and midnight, then a slight chance of snow after midnight. Mostly cloudy, with a low around 25. Blustery, with a west northwest wind 17 to 23 mph, with gusts as high as 39 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Wednesday
Chance of snow
High:
43°F
A 20 percent chance of snow before noon. Partly sunny, with a high near 43. West northwest wind 17 to 20 mph, with gusts as high as 31 mph.
Wednesday Night
Partly cloudy
Overnight low:
22°F
Partly cloudy, with a low around 22. North northwest wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 24 mph.
Thursday
Mostly sunny
High:
51°F
Thursday Night
Mostly clear
Overnight low:
27°F
Friday
Sunny
High:
62°F
Friday Night
Partly cloudy
Overnight low:
36°F
Saturday
Mostly sunny
High:
65°F
Saturday Night
Chance of rain
Overnight low:
34°F
Sunday
Rain or snow likely
High:
51°F