Lewistown, MT Weather - Extended Forecast

Friday

Chance of rain or snow

High:
48°F

A slight chance of rain before 8am, then a slight chance of rain and snow between 8am and 11am, then a chance of snow after 11am. Mostly cloudy, with a high near 48. West southwest wind 15 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

Friday Night

Chance of snow

Overnight low:
20°F

A 30 percent chance of snow before 11pm. Partly cloudy, with a low around 20. West wind around 10 mph, with gusts as high as 20 mph. Little or no snow accumulation expected.

Saturday

Mostly sunny

High:
37°F

Mostly sunny, with a high near 37. West wind 10 to 17 mph, with gusts as high as 28 mph.

Saturday Night

Partly cloudy

Overnight low:
23°F

Partly cloudy, with a low around 23. South southwest wind around 11 mph, with gusts as high as 22 mph.

Sunday

Partly sunny

High:
44°F

Sunday Night

Chance of rain or snow

Overnight low:
29°F

Monday

Chance of rain or snow

High:
44°F

Monday Night

Chance of rain or snow

Overnight low:
24°F

Tuesday

Chance of snow

High:
43°F

Tuesday Night

Mostly cloudy

Overnight low:
26°F

Wednesday

Chance of rain or snow

High:
46°F