Lewistown, MT Weather - Extended Forecast

Wednesday

Sunny

High:
89°F

Sunny, with a high near 89. West wind 6 to 10 mph, with gusts as high as 20 mph.

Wednesday Night

Mostly clear

Overnight low:
53°F

Mostly clear, with a low around 53. West wind 6 to 8 mph.

Thursday

Sunny

High:
77°F

Sunny, with a high near 77. West wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 18 mph.

Thursday Night

Partly cloudy

Overnight low:
50°F

Partly cloudy, with a low around 50.

Friday

Mostly sunny

High:
80°F

Friday Night

Slight chance of thunderstorms

Overnight low:
54°F

Saturday

Mostly sunny

High:
81°F

Saturday Night

Slight chance of thunderstorms

Overnight low:
54°F

Sunday

Sunny

High:
83°F