Lewistown, MT Weather - Extended Forecast

Wednesday

Sunny

High:
88°F

Sunny, with a high near 88. Southeast wind around 5 mph becoming calm in the morning.

Wednesday Night

Partly cloudy

Overnight low:
55°F

Partly cloudy, with a low around 55. Southeast wind 5 to 9 mph.

Thursday

Mostly sunny

High:
92°F

Mostly sunny, with a high near 92. Calm wind becoming south southwest around 6 mph in the afternoon.

Thursday Night

Chance of showers

Overnight low:
56°F

A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 56. South wind 6 to 9 mph.

Friday

Mostly sunny

High:
86°F

Friday Night

Chance of showers

Overnight low:
54°F

Saturday

Mostly sunny

High:
83°F

Saturday Night

Chance of showers

Overnight low:
49°F

Sunday

Chance of showers

High:
72°F

Sunday Night

Partly cloudy

Overnight low:
45°F

Monday

Sunny

High:
79°F