Weather in Lewistown, Montana, United States

7-Day Detailed Weather Forecast for Lewistown

Today

Temperature: 45°F

Wind Speed: 10 to 28 mph

Wind Direction: WSW

Forecast: Rain and snow likely before 4pm. Mostly cloudy. High near 45, with temperatures falling to around 25 in the afternoon. West southwest wind 10 to 28 mph, with gusts as high as 39 mph. Chance of precipitation is 60%. New snow accumulation of less than half an inch possible.

Tonight

Temperature: 0°F

Wind Speed: 13 to 23 mph

Wind Direction: NW

Forecast: A slight chance of snow after 5am. Mostly cloudy. Low around 0, with temperatures rising to around 5 overnight. Wind chill values as low as -10. Northwest wind 13 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 20%. New snow accumulation of less than half an inch possible.

Wednesday

Temperature: 11°F

Wind Speed: 13 mph

Wind Direction: NW

Forecast: Snow likely. Mostly cloudy. High near 11, with temperatures falling to around 6 in the afternoon. Wind chill values as low as -14. Northwest wind around 13 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Wednesday Night

Temperature: -5°F

Wind Speed: 6 to 12 mph

Wind Direction: NW

Forecast: Snow likely. Cloudy, with a low around -5. Wind chill values as low as -12. Northwest wind 6 to 12 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Thursday

Temperature: 17°F

Wind Speed: 6 mph

Wind Direction: NNE

Forecast: A chance of snow before 5pm. Partly sunny, with a high near 17. North northeast wind around 6 mph. Chance of precipitation is 40%. New snow accumulation of less than half an inch possible.

Thursday Night

Temperature: 0°F

Wind Speed: 2 to 6 mph

Wind Direction: SSE

Forecast: Partly cloudy, with a low around 0. South southeast wind 2 to 6 mph.

Friday

Temperature: 28°F

Wind Speed: 5 mph

Wind Direction: W

Forecast: A slight chance of snow between 11am and 5pm. Partly sunny, with a high near 28. West wind around 5 mph.

Friday Night

Temperature: 7°F

Wind Speed: 5 mph

Wind Direction: W

Forecast: Mostly cloudy, with a low around 7. West wind around 5 mph.

Saturday

Temperature: 27°F

Wind Speed: 6 mph

Wind Direction: WNW

Forecast: Mostly sunny, with a high near 27.

Saturday Night

Temperature: 6°F

Wind Speed: 5 mph

Wind Direction: ESE

Forecast: Partly cloudy, with a low around 6.

Sunday

Temperature: 34°F

Wind Speed: 5 to 9 mph

Wind Direction: SE

Forecast: Mostly sunny, with a high near 34.

Sunday Night

Temperature: 16°F

Wind Speed: 9 mph

Wind Direction: SSE

Forecast: Partly cloudy, with a low around 16.

Monday

Temperature: 47°F

Wind Speed: 9 mph

Wind Direction: SW

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

Monday Night

Temperature: 23°F

Wind Speed: 8 mph

Wind Direction: SW

Forecast: A chance of rain and snow. Mostly cloudy, with a low around 23. New snow accumulation of less than half an inch possible.