Sunday
Sunny
High:
68°F
Sunny, with a high near 68. East southeast wind 3 to 7 mph.
Lewistown, MT Weather - Extended Forecast
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