Weather in Lewistown, Montana, United States

7-Day Detailed Weather Forecast for Lewistown

Today

Temperature: 49°F

Wind Speed: 28 to 39 mph

Wind Direction: W

Forecast: A chance of rain before 11am, then patchy blowing dust and a slight chance of rain and snow. Partly sunny. High near 49, with temperatures falling to around 33 in the afternoon. West wind 28 to 39 mph, with gusts as high as 59 mph. Chance of precipitation is 50%. New snow accumulation of less than half an inch possible.

Tonight

Temperature: 18°F

Wind Speed: 10 to 37 mph

Wind Direction: WNW

Forecast: Patchy blowing dust before 10pm. Partly cloudy. Low around 18, with temperatures rising to around 22 overnight. West northwest wind 10 to 37 mph, with gusts as high as 58 mph. New snow accumulation of less than half an inch possible.

Thursday

Temperature: 42°F

Wind Speed: 8 to 13 mph

Wind Direction: SW

Forecast: A slight chance of snow after 5pm. Mostly sunny. High near 42, with temperatures falling to around 36 in the afternoon. Southwest wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

Thursday Night

Temperature: 31°F

Wind Speed: 13 to 21 mph

Wind Direction: SW

Forecast: A slight chance of snow before 8pm, then a chance of rain and snow. Mostly cloudy, with a low around 31. Southwest wind 13 to 21 mph, with gusts as high as 35 mph. Chance of precipitation is 30%.

Friday

Temperature: 47°F

Wind Speed: 10 to 20 mph

Wind Direction: W

Forecast: A chance of rain and snow. Mostly cloudy, with a high near 47. West wind 10 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 50%. New snow accumulation of less than half an inch possible.

Friday Night

Temperature: 19°F

Wind Speed: 10 mph

Wind Direction: W

Forecast: A chance of snow. Mostly cloudy, with a low around 19. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New snow accumulation of less than half an inch possible.

Saturday

Temperature: 37°F

Wind Speed: 8 to 14 mph

Wind Direction: W

Forecast: A slight chance of snow before 11am. Mostly sunny, with a high near 37. West wind 8 to 14 mph, with gusts as high as 24 mph.

Saturday Night

Temperature: 22°F

Wind Speed: 8 to 12 mph

Wind Direction: SW

Forecast: Partly cloudy, with a low around 22. Southwest wind 8 to 12 mph, with gusts as high as 21 mph.

Sunday

Temperature: 41°F

Wind Speed: 8 mph

Wind Direction: SSW

Forecast: A slight chance of snow after 5pm. Partly sunny, with a high near 41.

Sunday Night

Temperature: 25°F

Wind Speed: 8 mph

Wind Direction: S

Forecast: A slight chance of snow before 11pm, then a slight chance of rain and snow. Mostly cloudy, with a low around 25.

Monday

Temperature: 43°F

Wind Speed: 9 mph

Wind Direction: SW

Forecast: A slight chance of rain and snow before 5pm. Mostly cloudy, with a high near 43.

Monday Night

Temperature: 23°F

Wind Speed: 7 mph

Wind Direction: SW

Forecast: Mostly cloudy, with a low around 23.

Tuesday

Temperature: 42°F

Wind Speed: 7 mph

Wind Direction: SSW

Forecast: Partly sunny, with a high near 42.

Tuesday Night

Temperature: 26°F

Wind Speed: 6 mph

Wind Direction: SW

Forecast: Mostly cloudy, with a low around 26.