Weather in Lewistown, Montana, United States

7-Day Detailed Weather Forecast for Lewistown

Tonight

Temperature: 25°F

Wind Speed: 8 to 14 mph

Wind Direction: NE

Forecast: Rain and snow likely. Cloudy. Low around 25, with temperatures rising to around 31 overnight. Northeast wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Monday

Temperature: 39°F

Wind Speed: 8 to 26 mph

Wind Direction: SW

Forecast: A chance of snow before 4pm. Mostly cloudy, with a high near 39. Southwest wind 8 to 26 mph, with gusts as high as 37 mph. Chance of precipitation is 50%. New snow accumulation of less than half an inch possible.

Monday Night

Temperature: 16°F

Wind Speed: 7 to 23 mph

Wind Direction: W

Forecast: Partly cloudy. Low around 16, with temperatures rising to around 20 overnight. West wind 7 to 23 mph, with gusts as high as 32 mph.

Tuesday

Temperature: 35°F

Wind Speed: 7 to 18 mph

Wind Direction: W

Forecast: A chance of snow after noon. Mostly sunny, with a high near 35. West wind 7 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

Tuesday Night

Temperature: 16°F

Wind Speed: 10 to 18 mph

Wind Direction: W

Forecast: A slight chance of snow before midnight. Partly cloudy, with a low around 16. West wind 10 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

Wednesday

Temperature: 44°F

Wind Speed: 9 to 18 mph

Wind Direction: WSW

Forecast: Partly sunny, with a high near 44. West southwest wind 9 to 18 mph, with gusts as high as 31 mph.

Wednesday Night

Temperature: 40°F

Wind Speed: 12 to 18 mph

Wind Direction: WSW

Forecast: A chance of rain and snow. Cloudy, with a low around 40. West southwest wind 12 to 18 mph, with gusts as high as 32 mph.

Thursday

Temperature: 48°F

Wind Speed: 22 to 32 mph

Wind Direction: W

Forecast: A chance of rain before 9am, then rain and snow likely between 9am and 3pm, then rain and snow likely. Cloudy, with a high near 48. West wind 22 to 32 mph, with gusts as high as 49 mph.

Thursday Night

Temperature: 23°F

Wind Speed: 6 to 18 mph

Wind Direction: WNW

Forecast: Snow. Cloudy, with a low around 23. New snow accumulation of 2 to 4 inches possible.

Friday

Temperature: 39°F

Wind Speed: 6 to 12 mph

Wind Direction: W

Forecast: Snow. Cloudy, with a high near 39. New snow accumulation of 1 to 3 inches possible.

Friday Night

Temperature: 19°F

Wind Speed: 10 mph

Wind Direction: SSE

Forecast: Snow likely. Cloudy, with a low around 19. New snow accumulation of less than one inch possible.

Saturday

Temperature: 37°F

Wind Speed: 8 to 13 mph

Wind Direction: WSW

Forecast: Snow. Cloudy, with a high near 37. New snow accumulation of 1 to 3 inches possible.

Saturday Night

Temperature: 13°F

Wind Speed: 6 to 13 mph

Wind Direction: NNW

Forecast: Snow. Cloudy, with a low around 13. New snow accumulation of 2 to 4 inches possible.

Sunday

Temperature: 32°F

Wind Speed: 6 mph

Wind Direction: WNW

Forecast: A chance of snow. Cloudy, with a high near 32. New snow accumulation of 1 to 3 inches possible.