Weather in Lewistown, Montana, United States

7-Day Detailed Weather Forecast for Lewistown

Christmas Day

Temperature: 51°F

Wind Speed: 6 mph

Wind Direction: SW

Forecast: Mostly sunny. High near 51, with temperatures falling to around 44 in the afternoon. Southwest wind around 6 mph.

Tonight

Temperature: 35°F

Wind Speed: 9 mph

Wind Direction: SSW

Forecast: Partly cloudy, with a low around 35. South southwest wind around 9 mph.

Friday

Temperature: 51°F

Wind Speed: 5 to 21 mph

Wind Direction: SSW

Forecast: Mostly sunny. High near 51, with temperatures falling to around 41 in the afternoon. South southwest wind 5 to 21 mph, with gusts as high as 38 mph.

Friday Night

Temperature: 13°F

Wind Speed: 13 mph

Wind Direction: WSW

Forecast: A chance of snow after 11pm. Partly cloudy, with a low around 13. West southwest wind around 13 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New snow accumulation of less than half an inch possible.

Saturday

Temperature: 32°F

Wind Speed: 10 to 17 mph

Wind Direction: WNW

Forecast: A chance of snow before 5pm. Mostly cloudy, with a high near 32. West northwest wind 10 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 40%. New snow accumulation of less than half an inch possible.

Saturday Night

Temperature: -1°F

Wind Speed: 3 to 15 mph

Wind Direction: WNW

Forecast: Partly cloudy, with a low around -1. West northwest wind 3 to 15 mph, with gusts as high as 25 mph.

Sunday

Temperature: 27°F

Wind Speed: 3 mph

Wind Direction: WSW

Forecast: Sunny, with a high near 27. West southwest wind around 3 mph.

Sunday Night

Temperature: 15°F

Wind Speed: 2 to 6 mph

Wind Direction: SW

Forecast: Partly cloudy, with a low around 15. Southwest wind 2 to 6 mph.

Monday

Temperature: 44°F

Wind Speed: 7 mph

Wind Direction: WSW

Forecast: Mostly sunny, with a high near 44.

Monday Night

Temperature: 27°F

Wind Speed: 7 mph

Wind Direction: WSW

Forecast: Mostly cloudy, with a low around 27.

Tuesday

Temperature: 47°F

Wind Speed: 7 mph

Wind Direction: WSW

Forecast: A slight chance of rain and snow after 5pm. Partly sunny, with a high near 47.

Tuesday Night

Temperature: 26°F

Wind Speed: 7 mph

Wind Direction: WSW

Forecast: A slight chance of rain and snow before 11pm. Mostly cloudy, with a low around 26.

Wednesday

Temperature: 44°F

Wind Speed: 7 mph

Wind Direction: WSW

Forecast: Mostly cloudy, with a high near 44.

Wednesday Night

Temperature: 26°F

Wind Speed: 7 mph

Wind Direction: SW

Forecast: Mostly cloudy, with a low around 26.