Sunday
Chance of showers and thunderstorms
High:
55°F
A 50 percent chance of showers, mainly after noon. Partly sunny, with a high near 55. West northwest wind 3 to 6 mph.
Lewistown, MT Weather - Tomorrow’s Forecast
Sunday Night
Showers
Overnight low:
34°F
Showers and possibly a thunderstorm before midnight, then showers likely. Low around 34. East southeast wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 80%.