Weather in Lewistown, Montana, United States

7-Day Detailed Weather Forecast for Lewistown

This Afternoon

Temperature: 49°F

Wind Speed: 14 mph

Wind Direction: WSW

Forecast: Partly sunny. High near 49, with temperatures falling to around 45 in the afternoon. West southwest wind around 14 mph, with gusts as high as 25 mph.

Tonight

Temperature: 33°F

Wind Speed: 10 to 14 mph

Wind Direction: SW

Forecast: Partly cloudy. Low around 33, with temperatures rising to around 37 overnight. Southwest wind 10 to 14 mph, with gusts as high as 24 mph.

Monday

Temperature: 50°F

Wind Speed: 12 to 17 mph

Wind Direction: SW

Forecast: Partly sunny. High near 50, with temperatures falling to around 47 in the afternoon. Southwest wind 12 to 17 mph, with gusts as high as 30 mph.

Monday Night

Temperature: 35°F

Wind Speed: 17 to 22 mph

Wind Direction: WSW

Forecast: Partly cloudy, with a low around 35. West southwest wind 17 to 22 mph, with gusts as high as 39 mph.

Tuesday

Temperature: 47°F

Wind Speed: 10 to 21 mph

Wind Direction: WSW

Forecast: Mostly sunny, with a high near 47. West southwest wind 10 to 21 mph, with gusts as high as 37 mph.

Tuesday Night

Temperature: 33°F

Wind Speed: 10 to 18 mph

Wind Direction: SW

Forecast: Rain likely after 5am. Mostly cloudy, with a low around 33. Southwest wind 10 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 60%.

Wednesday

Temperature: 48°F

Wind Speed: 18 to 33 mph

Wind Direction: WSW

Forecast: Rain likely before 11am, then a chance of rain and snow. Mostly cloudy, with a high near 48. West southwest wind 18 to 33 mph, with gusts as high as 49 mph. New snow accumulation of less than half an inch possible.

Wednesday Night

Temperature: 12°F

Wind Speed: 6 to 25 mph

Wind Direction: W

Forecast: A slight chance of snow before 11pm. Mostly cloudy, with a low around 12. West wind 6 to 25 mph, with gusts as high as 41 mph.

Thursday

Temperature: 38°F

Wind Speed: 6 to 10 mph

Wind Direction: SSW

Forecast: A chance of snow after 5pm. Partly sunny, with a high near 38.

Thursday Night

Temperature: 27°F

Wind Speed: 10 to 15 mph

Wind Direction: SSW

Forecast: A chance of snow before 11pm, then a chance of rain and snow. Mostly cloudy, with a low around 27.

Friday

Temperature: 45°F

Wind Speed: 10 to 15 mph

Wind Direction: W

Forecast: A chance of rain and snow. Partly sunny, with a high near 45.

Friday Night

Temperature: 21°F

Wind Speed: 10 mph

Wind Direction: W

Forecast: A chance of snow. Mostly cloudy, with a low around 21.

Saturday

Temperature: 37°F

Wind Speed: 10 mph

Wind Direction: WSW

Forecast: A slight chance of snow before 11am. Mostly sunny, with a high near 37.

Saturday Night

Temperature: 20°F

Wind Speed: 9 mph

Wind Direction: WSW

Forecast: Partly cloudy, with a low around 20.