Weather in Lewistown, Montana, United States

7-Day Detailed Weather Forecast for Lewistown

This Afternoon

Temperature: 53°F

Wind Speed: 8 mph

Wind Direction: SE

Forecast: Partly sunny. High near 53, with temperatures falling to around 46 in the afternoon. Southeast wind around 8 mph.

Tonight

Temperature: 29°F

Wind Speed: 3 to 7 mph

Wind Direction: SSE

Forecast: A chance of rain between 8pm and 5am, then freezing rain likely. Mostly cloudy. Low around 29, with temperatures rising to around 33 overnight. South southeast wind 3 to 7 mph. Chance of precipitation is 60%. Little or no ice accumulation expected.

Christmas Day

Temperature: 47°F

Wind Speed: 6 mph

Wind Direction: SW

Forecast: A chance of freezing rain before 8am, then a chance of rain between 8am and 5pm. Partly sunny. High near 47, with temperatures falling to around 42 in the afternoon. Southwest wind around 6 mph. Chance of precipitation is 50%. Little or no ice accumulation expected.

Thursday Night

Temperature: 34°F

Wind Speed: 6 to 10 mph

Wind Direction: SW

Forecast: Mostly cloudy, with a low around 34. Southwest wind 6 to 10 mph.

Friday

Temperature: 49°F

Wind Speed: 10 to 14 mph

Wind Direction: SW

Forecast: Partly sunny, with a high near 49. Southwest wind 10 to 14 mph, with gusts as high as 25 mph.

Friday Night

Temperature: 8°F

Wind Speed: 14 mph

Wind Direction: W

Forecast: A chance of snow after 11pm. Mostly cloudy, with a low around 8. West wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

Saturday

Temperature: 26°F

Wind Speed: 10 to 14 mph

Wind Direction: WNW

Forecast: A chance of snow before 11am. Partly sunny, with a high near 26. West northwest wind 10 to 14 mph, with gusts as high as 24 mph.

Saturday Night

Temperature: 3°F

Wind Speed: 5 to 10 mph

Wind Direction: W

Forecast: Mostly cloudy, with a low around 3. West wind 5 to 10 mph, with gusts as high as 20 mph.

Sunday

Temperature: 34°F

Wind Speed: 6 mph

Wind Direction: WSW

Forecast: Partly sunny, with a high near 34.

Sunday Night

Temperature: 20°F

Wind Speed: 7 mph

Wind Direction: WSW

Forecast: Partly cloudy, with a low around 20.

Monday

Temperature: 48°F

Wind Speed: 9 mph

Wind Direction: WSW

Forecast: Mostly sunny, with a high near 48.

Monday Night

Temperature: 29°F

Wind Speed: 9 mph

Wind Direction: WSW

Forecast: Mostly cloudy, with a low around 29.

Tuesday

Temperature: 51°F

Wind Speed: 7 to 10 mph

Wind Direction: WSW

Forecast: Mostly cloudy, with a high near 51.

Tuesday Night

Temperature: 27°F

Wind Speed: 6 to 9 mph

Wind Direction: WSW

Forecast: Mostly cloudy, with a low around 27.