Weather in Lewistown, Montana, United States

7-Day Detailed Weather Forecast for Lewistown

Today

Temperature: 78°F

Wind Speed: 6 mph

Wind Direction: SW

Forecast: Sunny, with a high near 78. Southwest wind around 6 mph.

Tonight

Temperature: 47°F

Wind Speed: 6 to 9 mph

Wind Direction: SSW

Forecast: Mostly cloudy. Low around 47, with temperatures rising to around 51 overnight. South southwest wind 6 to 9 mph.

Monday

Temperature: 73°F

Wind Speed: 8 to 21 mph

Wind Direction: WNW

Forecast: Sunny, with a high near 73. West northwest wind 8 to 21 mph, with gusts as high as 31 mph.

Monday Night

Temperature: 41°F

Wind Speed: 2 to 17 mph

Wind Direction: N

Forecast: Mostly clear, with a low around 41. North wind 2 to 17 mph, with gusts as high as 24 mph.

Tuesday

Temperature: 77°F

Wind Speed: 5 mph

Wind Direction: SE

Forecast: Sunny, with a high near 77. Southeast wind around 5 mph.

Tuesday Night

Temperature: 47°F

Wind Speed: 6 to 9 mph

Wind Direction: SE

Forecast: Mostly clear, with a low around 47. Southeast wind 6 to 9 mph.

Wednesday

Temperature: 88°F

Wind Speed: 5 to 10 mph

Wind Direction: S

Forecast: Mostly sunny, with a high near 88. South wind 5 to 10 mph, with gusts as high as 21 mph.

Wednesday Night

Temperature: 50°F

Wind Speed: 10 mph

Wind Direction: SW

Forecast: A chance of showers and thunderstorms before midnight, then a slight chance of rain. Mostly cloudy, with a low around 50. Southwest wind around 10 mph, with gusts as high as 20 mph.

Thursday

Temperature: 74°F

Wind Speed: 12 to 23 mph

Wind Direction: WNW

Forecast: A chance of rain before noon, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 74.

Thursday Night

Temperature: 46°F

Wind Speed: 7 to 17 mph

Wind Direction: W

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

Friday

Temperature: 72°F

Wind Speed: 8 to 20 mph

Wind Direction: W

Forecast: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72.

Friday Night

Temperature: 43°F

Wind Speed: 7 to 16 mph

Wind Direction: W

Forecast: A chance of rain before midnight. Partly cloudy, with a low around 43.

Saturday

Temperature: 70°F

Wind Speed: 7 to 16 mph

Wind Direction: WSW

Forecast: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 70.

Saturday Night

Temperature: 41°F

Wind Speed: 10 to 15 mph

Wind Direction: W

Forecast: A slight chance of rain before midnight. Mostly cloudy, with a low around 41.