Weather in Lewistown, Montana, United States

7-Day Detailed Weather Forecast for Lewistown

Overnight

Temperature: 29°F

Wind Speed: 6 to 9 mph

Wind Direction: WSW

Forecast: Mostly cloudy. Low around 29, with temperatures rising to around 33 overnight. West southwest wind 6 to 9 mph.

Monday

Temperature: 47°F

Wind Speed: 5 to 10 mph

Wind Direction: WSW

Forecast: Partly sunny. High near 47, with temperatures falling to around 41 in the afternoon. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.

Monday Night

Temperature: 26°F

Wind Speed: 7 to 10 mph

Wind Direction: W

Forecast: A chance of rain and snow before 11pm. Mostly cloudy, with a low around 26. West wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

Tuesday

Temperature: 44°F

Wind Speed: 10 to 25 mph

Wind Direction: WSW

Forecast: Mostly sunny, with a high near 44. West southwest wind 10 to 25 mph, with gusts as high as 39 mph.

Tuesday Night

Temperature: 31°F

Wind Speed: 13 to 18 mph

Wind Direction: WSW

Forecast: Mostly cloudy, with a low around 31. West southwest wind 13 to 18 mph, with gusts as high as 32 mph.

Wednesday

Temperature: 41°F

Wind Speed: 13 to 21 mph

Wind Direction: WSW

Forecast: Mostly sunny, with a high near 41. West southwest wind 13 to 21 mph, with gusts as high as 32 mph.

Wednesday Night

Temperature: 21°F

Wind Speed: 7 to 14 mph

Wind Direction: WSW

Forecast: Partly cloudy, with a low around 21. West southwest wind 7 to 14 mph, with gusts as high as 24 mph.

Thursday

Temperature: 37°F

Wind Speed: 7 to 16 mph

Wind Direction: WSW

Forecast: Mostly sunny, with a high near 37. West southwest wind 7 to 16 mph, with gusts as high as 26 mph.

Thursday Night

Temperature: 21°F

Wind Speed: 13 mph

Wind Direction: W

Forecast: Mostly cloudy, with a low around 21.

Friday

Temperature: 38°F

Wind Speed: 12 to 16 mph

Wind Direction: W

Forecast: Mostly sunny, with a high near 38.

Friday Night

Temperature: 24°F

Wind Speed: 12 mph

Wind Direction: W

Forecast: Mostly cloudy, with a low around 24.

Saturday

Temperature: 49°F

Wind Speed: 12 mph

Wind Direction: W

Forecast: Partly sunny, with a high near 49.

Saturday Night

Temperature: 31°F

Wind Speed: 9 mph

Wind Direction: WSW

Forecast: Partly cloudy, with a low around 31.

Sunday

Temperature: 53°F

Wind Speed: 12 mph

Wind Direction: WSW

Forecast: Partly sunny, with a high near 53.