Weather in Lewistown, Montana, United States

7-Day Detailed Weather Forecast for Lewistown

This Afternoon

Temperature: 37°F

Wind Speed: 13 to 20 mph

Wind Direction: WSW

Forecast: Mostly sunny. High near 37, with temperatures falling to around 32 in the afternoon. West southwest wind 13 to 20 mph, with gusts as high as 30 mph.

Tonight

Temperature: 25°F

Wind Speed: 8 to 14 mph

Wind Direction: SSW

Forecast: Partly cloudy. Low around 25, with temperatures rising to around 28 overnight. South southwest wind 8 to 14 mph, with gusts as high as 23 mph.

Sunday

Temperature: 41°F

Wind Speed: 7 mph

Wind Direction: SSE

Forecast: A chance of snow between 11am and 2pm, then a chance of rain and snow. Mostly cloudy. High near 41, with temperatures falling to around 36 in the afternoon. South southeast wind around 7 mph. Chance of precipitation is 50%.

Sunday Night

Temperature: 31°F

Wind Speed: 7 mph

Wind Direction: S

Forecast: A chance of rain and snow. Cloudy, with a low around 31. South wind around 7 mph. Chance of precipitation is 40%.

Monday

Temperature: 44°F

Wind Speed: 5 to 9 mph

Wind Direction: WSW

Forecast: A chance of rain before 11am. Partly sunny, with a high near 44. West southwest wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

Monday Night

Temperature: 26°F

Wind Speed: 6 mph

Wind Direction: SSW

Forecast: Mostly cloudy, with a low around 26. South southwest wind around 6 mph.

Tuesday

Temperature: 48°F

Wind Speed: 6 mph

Wind Direction: S

Forecast: Mostly cloudy, with a high near 48. South wind around 6 mph.

Tuesday Night

Temperature: 30°F

Wind Speed: 6 mph

Wind Direction: SSE

Forecast: Mostly cloudy, with a low around 30. South southeast wind around 6 mph.

Wednesday

Temperature: 53°F

Wind Speed: 6 to 12 mph

Wind Direction: S

Forecast: A slight chance of rain after 5pm. Partly sunny, with a high near 53.

Wednesday Night

Temperature: 24°F

Wind Speed: 7 to 12 mph

Wind Direction: WSW

Forecast: A slight chance of rain before 8pm, then a slight chance of rain and snow. Mostly cloudy, with a low around 24.

Christmas Day

Temperature: 39°F

Wind Speed: 8 mph

Wind Direction: WSW

Forecast: A slight chance of snow before 11am. Partly sunny, with a high near 39.

Thursday Night

Temperature: 24°F

Wind Speed: 7 mph

Wind Direction: SSW

Forecast: A slight chance of snow after 11pm. Mostly cloudy, with a low around 24.

Friday

Temperature: 42°F

Wind Speed: 6 to 12 mph

Wind Direction: WSW

Forecast: A slight chance of snow before 11am. Partly sunny, with a high near 42.

Friday Night

Temperature: 22°F

Wind Speed: 12 mph

Wind Direction: W

Forecast: Partly cloudy, with a low around 22.