Hourly Weather Forecast - Lewistown, MT

60% Chance of Heavy Snow

70% Chance of Heavy Snow

70% Chance of Heavy Snow

70% Chance of Heavy Snow

70% Chance of Heavy Snow

60% Chance of Heavy Snow

60% Chance of Heavy Snow

50% Chance of Heavy Snow

50% Chance of Heavy Snow

50% Chance of Heavy Snow

50% Chance of Heavy Snow

40% Chance of Snow

30% Chance of Snow

Mostly Cloudy

Mostly Cloudy

Cloudy

Cloudy

Cloudy

Cloudy

Cloudy

Cloudy

Foggy

Foggy