Weather in Lewistown, Montana, United States

7-Day Detailed Weather Forecast for Lewistown

This Afternoon

Temperature: 37°F

Wind Speed: 12 mph

Wind Direction: W

Forecast: Mostly sunny. High near 37, with temperatures falling to around 30 in the afternoon. West wind around 12 mph, with gusts as high as 21 mph.

Tonight

Temperature: 19°F

Wind Speed: 14 mph

Wind Direction: W

Forecast: A chance of snow before midnight. Mostly cloudy, with a low around 19. West wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

Friday

Temperature: 37°F

Wind Speed: 10 to 17 mph

Wind Direction: WNW

Forecast: Partly sunny. High near 37, with temperatures falling to around 34 in the afternoon. West northwest wind 10 to 17 mph, with gusts as high as 29 mph.

Friday Night

Temperature: 26°F

Wind Speed: 10 to 15 mph

Wind Direction: W

Forecast: Mostly cloudy, with a low around 26. West wind 10 to 15 mph, with gusts as high as 25 mph.

Saturday

Temperature: 48°F

Wind Speed: 9 to 13 mph

Wind Direction: W

Forecast: Mostly sunny, with a high near 48. West wind 9 to 13 mph, with gusts as high as 23 mph.

Saturday Night

Temperature: 32°F

Wind Speed: 10 mph

Wind Direction: WSW

Forecast: Mostly cloudy, with a low around 32. West southwest wind around 10 mph, with gusts as high as 18 mph.

Sunday

Temperature: 54°F

Wind Speed: 10 to 15 mph

Wind Direction: WSW

Forecast: Mostly sunny, with a high near 54. West southwest wind 10 to 15 mph, with gusts as high as 28 mph.

Sunday Night

Temperature: 36°F

Wind Speed: 13 mph

Wind Direction: WSW

Forecast: Mostly cloudy, with a low around 36. West southwest wind around 13 mph, with gusts as high as 23 mph.

Monday

Temperature: 56°F

Wind Speed: 12 to 22 mph

Wind Direction: W

Forecast: Partly sunny, with a high near 56.

Monday Night

Temperature: 37°F

Wind Speed: 14 to 18 mph

Wind Direction: W

Forecast: Mostly cloudy, with a low around 37.

Tuesday

Temperature: 54°F

Wind Speed: 10 to 15 mph

Wind Direction: WNW

Forecast: Mostly cloudy, with a high near 54.

Tuesday Night

Temperature: 34°F

Wind Speed: 6 to 10 mph

Wind Direction: W

Forecast: Mostly cloudy, with a low around 34.

Wednesday

Temperature: 57°F

Wind Speed: 6 to 10 mph

Wind Direction: W

Forecast: Mostly sunny, with a high near 57.

Wednesday Night

Temperature: 33°F

Wind Speed: 13 mph

Wind Direction: W

Forecast: A slight chance of rain and snow after 5am. Mostly clear, with a low around 33.