Weather in Lewistown, Montana, United States

7-Day Detailed Weather Forecast for Lewistown

Overnight

Temperature: 23°F

Wind Speed: 7 mph

Wind Direction: SSE

Forecast: Cloudy. Low around 23, with temperatures rising to around 30 overnight. South southeast wind around 7 mph. New snow accumulation of less than half an inch possible.

Wednesday

Temperature: 49°F

Wind Speed: 8 to 20 mph

Wind Direction: SW

Forecast: Snow before 8am, then rain and snow between 8am and 9am, then rain and snow. Cloudy, with a high near 49. Southwest wind 8 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of less than half an inch possible.

Wednesday Night

Temperature: 37°F

Wind Speed: 21 mph

Wind Direction: W

Forecast: A chance of rain. Cloudy. Low around 37, with temperatures rising to around 42 overnight. West wind around 21 mph, with gusts as high as 29 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.

Thursday

Temperature: 49°F

Wind Speed: 10 to 25 mph

Wind Direction: WNW

Forecast: Rain before 2pm, then rain and snow. Cloudy, with a high near 49. West northwest wind 10 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Thursday Night

Temperature: 6°F

Wind Speed: 3 to 10 mph

Wind Direction: NW

Forecast: Snow. Cloudy, with a low around 6. Northwest wind 3 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

Friday

Temperature: 17°F

Wind Speed: 6 mph

Wind Direction: ENE

Forecast: Snow. Cloudy, with a high near 17. East northeast wind around 6 mph. Chance of precipitation is 90%. New snow accumulation of 8 to 12 inches possible.

Friday Night

Temperature: -3°F

Wind Speed: 7 mph

Wind Direction: N

Forecast: Snow likely. Cloudy, with a low around -3. North wind around 7 mph. New snow accumulation of 3 to 7 inches possible.

Saturday

Temperature: 22°F

Wind Speed: 2 to 6 mph

Wind Direction: W

Forecast: A chance of snow before 5pm. Mostly cloudy, with a high near 22. West wind 2 to 6 mph. New snow accumulation of less than half an inch possible.

Saturday Night

Temperature: 8°F

Wind Speed: 8 mph

Wind Direction: S

Forecast: Mostly cloudy, with a low around 8.

Sunday

Temperature: 45°F

Wind Speed: 10 mph

Wind Direction: SW

Forecast: Partly sunny, with a high near 45.

Sunday Night

Temperature: 25°F

Wind Speed: 7 to 10 mph

Wind Direction: SW

Forecast: Mostly cloudy, with a low around 25.

Monday

Temperature: 43°F

Wind Speed: 7 to 10 mph

Wind Direction: SW

Forecast: Partly sunny, with a high near 43.

Monday Night

Temperature: 28°F

Wind Speed: 13 mph

Wind Direction: SW

Forecast: Mostly cloudy, with a low around 28.

Tuesday

Temperature: 47°F

Wind Speed: 15 mph

Wind Direction: WSW

Forecast: A chance of rain and snow after 11am. Mostly sunny, with a high near 47.