Hourly Weather Forecast - Johnston, IA

30% Chance of Rain

30% Chance of Rain

30% Chance of Rain

30% Chance of Light Rain

50% Chance of Storms

60% Chance of Storms

70% Chance of Storms

80% Chance of Storms

Thunderstorms

80% Chance of Light Rain

80% Chance of Light Rain

70% Chance of Light Rain

70% Chance Frozen Mix

70% Chance Frozen Mix

70% Chance of Flurries

70% Chance of Snow

80% Chance of Flurries

80% Chance of Flurries

Flurries

80% Chance of Flurries

70% Chance of Flurries

60% Chance of Flurries

50% Chance of Heavy Snow