Lewistown, MT Weather - Extended Forecast

Sunday

Sunny

High:
68°F

Sunny, with a high near 68. East southeast wind 3 to 7 mph.

Sunday Night

Mostly clear

Overnight low:
42°F

Mostly clear, with a low around 42. East southeast wind 6 to 10 mph, with gusts as high as 18 mph.

Memorial Day

Sunny

High:
71°F

Sunny, with a high near 71. Southeast wind 6 to 9 mph.

Monday Night

Mostly clear

Overnight low:
44°F

A slight chance of showers after midnight. Mostly clear, with a low around 44. East southeast wind 6 to 10 mph, with gusts as high as 18 mph.

Tuesday

Mostly sunny

High:
72°F

Tuesday Night

Chance of showers and thunderstorms

Overnight low:
46°F

Wednesday

Sunny

High:
74°F

Wednesday Night

Chance of showers and thunderstorms

Overnight low:
47°F

Thursday

Mostly sunny

High:
78°F