Tuesday
Chance of showers
High:
78°F
A slight chance of showers before 8am, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 78. Southeast wind around 5 mph becoming calm. Chance of precipitation is 40%.
Lewistown, MT Weather - Tomorrow’s Forecast
Tuesday Night
Slight chance of thunderstorms
Overnight low:
51°F
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 51. North northeast wind around 5 mph becoming light and variable after midnight. Chance of precipitation is 20%.