Lewistown, MT Weather - Extended Forecast

Monday

Sunny

High:
82°F

Sunny, with a high near 82. West wind 5 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.

Monday Night

Partly cloudy

Overnight low:
53°F

Partly cloudy, with a low around 53. North wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.

Tuesday

Mostly sunny

High:
84°F

Mostly sunny, with a high near 84. Light southeast wind becoming east 5 to 9 mph in the afternoon.

Tuesday Night

Partly cloudy

Overnight low:
56°F

Partly cloudy, with a low around 56. East wind 5 to 13 mph, with gusts as high as 22 mph.

Wednesday

Mostly sunny

High:
88°F

Wednesday Night

Chance of showers

Overnight low:
57°F

Thursday

Chance of showers

High:
88°F

Thursday Night

Slight chance of thunderstorms

Overnight low:
57°F

Friday

Mostly sunny

High:
91°F