Lewistown, MT Weather - Extended Forecast

Sunday

Chance of snow

High:
27°F

A 20 percent chance of snow. Partly sunny, with a high near 27. Wind chill values as low as zero. Calm wind becoming west northwest around 6 mph in the afternoon.

Sunday Night

Mostly cloudy

Overnight low:
11°F

Mostly cloudy, with a low around 11. Light and variable wind becoming south around 6 mph after midnight.

Monday

Chance of snow

High:
47°F

A slight chance of snow before noon, then a chance of rain and snow between noon and 3pm, then a chance of rain after 3pm. Cloudy, with a high near 47. Southwest wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

Monday Night

Chance of rain

Overnight low:
37°F

A 30 percent chance of rain. Mostly cloudy, with a low around 37. West wind 14 to 18 mph, with gusts as high as 30 mph.

Tuesday

Mostly cloudy

High:
58°F

Tuesday Night

Mostly cloudy, breezy

Overnight low:
42°F

Wednesday

Partly sunny

High:
64°F

Wednesday Night

Mostly cloudy

Overnight low:
43°F

Thursday

Partly sunny

High:
69°F

Thursday Night

Mostly cloudy

Overnight low:
46°F

Friday

Partly sunny

High:
70°F