Weather in Lewistown, Montana, United States

7-Day Detailed Weather Forecast for Lewistown

This Afternoon

Temperature: 86°F

Wind Speed: 14 mph

Wind Direction: WNW

Forecast: Sunny, with a high near 86. West northwest wind around 14 mph, with gusts as high as 24 mph.

Tonight

Temperature: 55°F

Wind Speed: 3 to 12 mph

Wind Direction: SSW

Forecast: Mostly clear, with a low around 55. South southwest wind 3 to 12 mph, with gusts as high as 22 mph.

Sunday

Temperature: 90°F

Wind Speed: 5 to 9 mph

Wind Direction: WSW

Forecast: Sunny, with a high near 90. West southwest wind 5 to 9 mph, with gusts as high as 18 mph.

Sunday Night

Temperature: 55°F

Wind Speed: 5 to 8 mph

Wind Direction: ESE

Forecast: Mostly clear, with a low around 55. East southeast wind 5 to 8 mph.

Monday

Temperature: 87°F

Wind Speed: 5 to 10 mph

Wind Direction: WNW

Forecast: A slight chance of rain showers after noon. Sunny, with a high near 87. West northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Monday Night

Temperature: 50°F

Wind Speed: 8 to 12 mph

Wind Direction: NNE

Forecast: A chance of showers and thunderstorms before midnight, then showers and thunderstorms likely. Mostly cloudy, with a low around 50. North northeast wind 8 to 12 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

Tuesday

Temperature: 63°F

Wind Speed: 8 to 14 mph

Wind Direction: ENE

Forecast: Showers and thunderstorms likely. Mostly cloudy, with a high near 63. East northeast wind 8 to 14 mph, with gusts as high as 23 mph.

Tuesday Night

Temperature: 47°F

Wind Speed: 6 to 14 mph

Wind Direction: ENE

Forecast: Showers and thunderstorms likely. Mostly cloudy, with a low around 47. East northeast wind 6 to 14 mph, with gusts as high as 23 mph.

Wednesday

Temperature: 61°F

Wind Speed: 8 mph

Wind Direction: ENE

Forecast: A chance of rain showers. Partly sunny, with a high near 61.

Wednesday Night

Temperature: 42°F

Wind Speed: 5 to 8 mph

Wind Direction: ESE

Forecast: Mostly cloudy, with a low around 42.

Thursday

Temperature: 70°F

Wind Speed: 5 to 8 mph

Wind Direction: SE

Forecast: Sunny, with a high near 70.

Thursday Night

Temperature: 46°F

Wind Speed: 8 mph

Wind Direction: SE

Forecast: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 46.

Friday

Temperature: 81°F

Wind Speed: 3 to 7 mph

Wind Direction: ESE

Forecast: Sunny, with a high near 81.

Friday Night

Temperature: 52°F

Wind Speed: 7 mph

Wind Direction: SE

Forecast: Mostly clear, with a low around 52.