Lewistown, MT Weather - Extended Forecast

Wednesday

Chance of snow

High:
25°F

A 50 percent chance of snow, mainly before 11am. Patchy blowing snow before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 25. Blustery, with a west northwest wind around 23 mph, with gusts as high as 37 mph. New snow accumulation of 1 to 3 inches possible.

Wednesday Night

Mostly clear

Overnight low:
8°F

Mostly clear, with a low around 8. West southwest wind 6 to 16 mph, with gusts as high as 28 mph.

Thursday

Mostly sunny

High:
36°F

Mostly sunny, with a high near 36. West southwest wind 6 to 10 mph, with gusts as high as 20 mph.

Thursday Night

Snow

Overnight low:
19°F

Snow, mainly after 11pm. Low around 19. West northwest wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Friday

Snow likely

High:
26°F

Friday Night

Chance of snow

Overnight low:
7°F

Saturday

Chance of snow

High:
16°F

Saturday Night

Partly cloudy

Overnight low:
-1°F

Sunday

Mostly sunny

High:
26°F

Sunday Night

Partly cloudy

Overnight low:
11°F

Monday

Mostly sunny

High:
37°F