Friday
Sunny
High:
85°F
Sunny, with a high near 85. South southeast wind 7 to 13 mph, with gusts as high as 22 mph.
Lewistown, MT Weather - Extended Forecast
Friday Night
Slight chance of thunderstorms
Overnight low:
47°F
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 47. South wind 10 to 15 mph becoming west northwest after midnight. Winds could gust as high as 26 mph.
Saturday
Sunny
High:
67°F
Sunny, with a high near 67. West wind 10 to 13 mph, with gusts as high as 22 mph.
Saturday Night
Partly cloudy
Overnight low:
41°F
Partly cloudy, with a low around 41. Northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 18 mph.
Sunday
Partly sunny
High:
67°F
Sunday Night
Chance of rain
Overnight low:
43°F
Monday
Chance of rain
High:
61°F
Monday Night
Partly cloudy
Overnight low:
39°F
Tuesday
Mostly sunny
High:
63°F
Tuesday Night
Partly cloudy
Overnight low:
41°F
Wednesday
Mostly sunny
High:
67°F