Saturday
Chance of rain
High:
59°F
A 50 percent chance of rain. Mostly cloudy, with a high near 59. East southeast wind 9 to 14 mph, with gusts as high as 20 mph.
Lewistown, MT Weather - Extended Forecast
Saturday Night
Chance of rain
Overnight low:
37°F
A 40 percent chance of rain. Mostly cloudy, with a low around 37. East southeast wind 7 to 13 mph, with gusts as high as 20 mph.
Sunday
Chance of rain
High:
60°F
A 40 percent chance of rain, mainly after noon. Partly sunny, with a high near 60. South wind 6 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
Chance of rain
Overnight low:
37°F
A slight chance of rain before midnight. Mostly cloudy, with a low around 37. Southwest wind 9 to 11 mph, with gusts as high as 18 mph.
Monday
Chance of rain
High:
59°F
Monday Night
Chance of rain
Overnight low:
34°F
Tuesday
Mostly sunny
High:
59°F
Tuesday Night
Chance of rain
Overnight low:
35°F
Wednesday
Mostly sunny
High:
66°F