Johnston, IA Weather Forecast & Current Conditions

Night: Partly sunny early, then becoming partly cloudy. Lows in the mid 20s. North winds 5 to 10 mph.

Day: Sunny. Highs in the lower 40s. North winds 5 to 10 mph.

Night: Clear. Lows in the lower 20s. Northeast winds around 5 mph in the evening, becoming light and variable.

Day: Sunny. Highs in the mid 40s. Light and variable winds, becoming southeast around 5 mph in the afternoon.

Night: Mostly clear. Lows in the mid 20s. Southeast winds around 5 mph in the evening, becoming light and variable.

Day: Sunny. Highs in the upper 40s.

Night: Clear. Lows in the upper 20s.

Day: Sunny. Highs around 50.

Night: Clear. Lows in the lower 30s.

Day: Sunny. Highs in the mid 50s.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 30s.

Day: Partly sunny. Highs in the upper 50s.

Night: Partly cloudy with a slight chance of showers in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the upper 40s. Chance of rain 30 percent.

Day: Mostly cloudy with a chance of showers in the morning, then partly sunny with a slight chance of showers in the afternoon. Highs around 60. Chance of rain 40 percent.

Night: Partly sunny early, then becoming partly cloudy. Lows in the mid 20s. North winds 5 to 10 mph.

Day: Sunny. Highs in the lower 40s. North winds 5 to 10 mph.

Night: Clear. Lows in the lower 20s. Northeast winds around 5 mph in the evening, becoming light and variable.

Day: Sunny. Highs in the mid 40s. Light and variable winds, becoming southeast around 5 mph in the afternoon.

Night: Mostly clear. Lows in the mid 20s. Southeast winds around 5 mph.

Day: Sunny. Highs in the upper 40s.

Night: Clear. Lows in the upper 20s.

Day: Sunny. Highs around 50.

Night: Clear. Lows in the lower 30s.

Day: Sunny. Highs in the lower 50s.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows around 40.

Day: Partly sunny. Highs in the upper 50s.

Night: Partly cloudy in the evening, then becoming mostly cloudy. A 30 percent chance of showers. Lows in the upper 40s.

Day: Partly sunny. A chance of showers, mainly in the morning. Highs in the upper 50s. Chance of rain 30 percent.

Night: Partly sunny early, then becoming partly cloudy. Lows in the mid 20s. North winds 10 to 15 mph, diminishing to around 5 mph after midnight.

Day: Sunny. Highs in the lower 40s. North winds 5 to 10 mph.

Night: Clear. Lows in the lower 20s. North winds around 5 mph in the evening, becoming light and variable.

Day: Sunny. Highs in the mid 40s. Light and variable winds, becoming southeast around 5 mph in the afternoon.

Night: Mostly clear. Lows in the mid 20s. Southeast winds around 5 mph.

Day: Sunny. Highs in the upper 40s.

Night: Clear. Lows in the upper 20s.

Day: Sunny. Highs in the lower 50s.

Night: Clear. Lows in the lower 30s.

Day: Sunny. Highs in the mid 50s.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows around 40.

Day: Partly sunny. Highs in the upper 50s.

Night: Partly cloudy with a slight chance of showers in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the upper 40s. Chance of rain 30 percent.

Day: Partly sunny. A chance of showers, mainly in the morning. Highs around 60. Chance of rain 30 percent.

Night: Partly sunny early, then becoming partly cloudy. Lows in the mid 20s. North winds 10 to 15 mph, diminishing to around 5 mph after midnight.

Day: Sunny. Highs in the lower 40s. North winds around 5 mph.

Night: Clear. Lows in the lower 20s. North winds around 5 mph in the evening, becoming light and variable.

Day: Sunny. Highs in the mid 40s. Light and variable winds, becoming southeast around 5 mph in the afternoon.

Night: Clear. Lows in the mid 20s. Light and variable winds.

Day: Sunny. Highs in the upper 40s.

Night: Clear. Lows in the upper 20s.

Day: Sunny. Highs around 50.

Night: Clear. Lows in the lower 30s.

Day: Sunny. Highs in the lower 50s.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 30s.

Day: Partly sunny. Highs in the mid 50s.

Night: Mostly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the mid 40s. Chance of rain 30 percent.

Day: Mostly cloudy with a chance of showers in the morning, then partly sunny with a slight chance of showers in the afternoon. Highs in the upper 50s. Chance of rain 40 percent.

Night: Partly sunny early, then becoming partly cloudy. Lows in the mid 20s. North winds 10 to 15 mph, diminishing to around 5 mph after midnight.

Day: Sunny. Highs in the lower 40s. North winds around 5 mph.

Night: Clear. Lows in the lower 20s. Northeast winds around 5 mph in the evening, becoming light and variable.

Day: Sunny. Highs in the mid 40s. Southeast winds around 5 mph.

Night: Mostly clear. Lows in the mid 20s. Southeast winds around 5 mph in the evening, becoming light and variable.

Day: Sunny. Highs in the upper 40s.

Night: Clear. Lows in the upper 20s.

Day: Sunny. Highs around 50.

Night: Clear. Lows in the lower 30s.

Day: Sunny. Highs in the lower 50s.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 30s.

Day: Partly sunny. Highs in the upper 50s.

Night: Mostly cloudy with a 40 percent chance of showers. Lows in the mid 40s.

Day: Mostly cloudy with a chance of showers in the morning, then partly sunny with a slight chance of showers in the afternoon. Highs in the upper 50s. Chance of rain 40 percent.

Night: Partly sunny early, then becoming partly cloudy. Lows in the mid 20s. North winds 5 to 10 mph.

Day: Sunny. Highs in the lower 40s. North winds 5 to 10 mph.

Night: Clear. Lows in the lower 20s. North winds around 5 mph in the evening, becoming light and variable.

Day: Sunny. Highs in the mid 40s. Light and variable winds.

Night: Clear. Lows in the mid 20s. Light and variable winds.

Day: Sunny. Highs in the upper 40s.

Night: Clear. Lows in the upper 20s.

Day: Sunny. Highs around 50.

Night: Clear. Lows around 30.

Day: Sunny. Highs in the mid 50s.

Night: Mostly clear. Lows in the upper 30s.

Day: Mostly sunny. Highs in the upper 50s.

Night: Mostly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the mid 40s. Chance of rain 30 percent.

Day: Mostly cloudy with a chance of showers in the morning, then partly sunny with a slight chance of showers in the afternoon. Highs around 60. Chance of rain 40 percent.

Night: Partly cloudy. Lows in the mid 20s. North winds 5 to 10 mph.

Day: Sunny. Highs in the lower 40s. North winds 5 to 10 mph.

Night: Clear. Lows in the lower 20s. Northeast winds around 5 mph in the evening, becoming light and variable.

Day: Sunny. Highs in the mid 40s. Southeast winds around 5 mph.

Night: Mostly clear. Lows in the mid 20s. Southeast winds around 5 mph.

Day: Sunny. Highs in the upper 40s.

Night: Clear. Lows in the upper 20s.

Day: Sunny. Highs around 50.

Night: Clear. Lows in the lower 30s.

Day: Sunny. Highs in the lower 50s.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 40s.

Day: Partly sunny. Highs in the upper 50s.

Night: Partly cloudy in the evening, then becoming mostly cloudy. A 30 percent chance of showers. Lows in the upper 40s.

Day: Partly sunny. A chance of showers, mainly in the morning. Highs around 60. Chance of rain 30 percent.

Night: Partly sunny early, then becoming partly cloudy. Lows in the upper 20s. North winds 10 to 15 mph.

Day: Sunny. Highs in the lower 40s. North winds 5 to 10 mph.

Night: Clear. Lows in the lower 20s. North winds around 5 mph in the evening, becoming light and variable.

Day: Sunny. Highs in the mid 40s. Light and variable winds.

Night: Clear. Lows in the mid 20s. Light and variable winds.

Day: Sunny. Highs in the upper 40s.

Night: Clear. Lows in the upper 20s.

Day: Sunny. Highs in the lower 50s.

Night: Clear. Lows in the lower 30s.

Day: Sunny. Highs in the mid 50s.

Night: Mostly clear. Lows in the upper 30s.

Day: Mostly sunny. Highs in the upper 50s.

Night: Partly cloudy with a slight chance of showers in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the upper 40s. Chance of rain 30 percent.

Day: Mostly cloudy with a chance of showers in the morning, then partly sunny with a slight chance of showers in the afternoon. Highs in the lower 60s. Chance of rain 30 percent.

Night: Partly sunny early, then becoming partly cloudy. Lows in the mid 20s. North winds 10 to 15 mph, diminishing to around 5 mph after midnight.

Day: Sunny. Highs in the lower 40s. North winds around 5 mph.

Night: Mostly clear. Lows around 20. Light and variable winds.

Day: Sunny. Highs in the mid 40s. Light and variable winds, becoming southeast around 5 mph in the afternoon.

Night: Mostly clear. Lows in the lower 20s. Southeast winds around 5 mph in the evening, becoming light and variable.

Day: Sunny. Highs in the upper 40s.

Night: Clear. Lows in the upper 20s.

Day: Sunny. Highs around 50.

Night: Clear. Lows in the lower 30s.

Day: Sunny. Highs in the mid 50s.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows around 40.

Day: Partly sunny. Highs in the upper 50s.

Night: Mostly cloudy with a 40 percent chance of showers. Lows in the mid 40s.

Day: Mostly cloudy with a chance of showers in the morning, then partly sunny with a slight chance of showers in the afternoon. Highs in the upper 50s. Chance of rain 40 percent.

Night: Mostly cloudy. Lows in the mid 20s. North winds 5 to 10 mph.

Day: Sunny. Highs in the lower 40s. North winds 5 to 10 mph.

Night: Clear. Lows in the lower 20s. North winds around 5 mph in the evening, becoming light and variable.

Day: Sunny. Highs in the mid 40s. Light and variable winds.

Night: Clear. Lows in the mid 20s. Light and variable winds.

Day: Sunny. Highs in the upper 40s.

Night: Clear. Lows in the mid 20s.

Day: Sunny. Highs around 50.

Night: Clear. Lows around 30.

Day: Sunny. Highs in the lower 50s.

Night: Mostly clear. Lows in the upper 30s.

Day: Partly sunny. Highs in the mid 50s.

Night: Mostly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the mid 40s. Chance of rain 30 percent.

Day: Mostly cloudy in the morning, then becoming partly sunny. A 40 percent chance of showers. Highs in the upper 50s.

Night: Partly cloudy. Lows in the mid 20s. North winds 5 to 10 mph.

Day: Sunny. Highs in the lower 40s. North winds around 5 mph.

Night: Mostly clear. Lows in the lower 20s. Northeast winds around 5 mph in the evening, becoming light and variable.

Day: Sunny. Highs in the mid 40s. Southeast winds around 5 mph.

Night: Mostly clear. Lows in the mid 20s. Southeast winds around 5 mph.

Day: Sunny. Highs in the upper 40s.

Night: Clear. Lows in the upper 20s.

Day: Sunny. Highs around 50.

Night: Clear. Lows in the mid 30s.

Day: Sunny. Highs in the lower 50s.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 40s.

Day: Partly sunny. Highs in the upper 50s.

Night: Mostly cloudy with a 40 percent chance of showers. Lows in the upper 40s.

Day: Mostly cloudy with a chance of showers in the morning, then mostly sunny with a slight chance of showers in the afternoon. Highs in the upper 50s. Chance of rain 30 percent.

Night: Partly cloudy. Lows in the mid 20s. North winds 5 to 10 mph.

Day: Sunny. Highs in the lower 40s. North winds 5 to 10 mph.

Night: Clear. Lows in the lower 20s. Northeast winds around 5 mph in the evening, becoming light and variable.

Day: Sunny. Highs in the mid 40s. Southeast winds around 5 mph.

Night: Mostly clear. Lows in the mid 20s. Southeast winds around 5 mph.

Day: Sunny. Highs in the upper 40s.

Night: Mostly clear. Lows in the upper 20s.

Day: Sunny. Highs in the upper 40s.

Night: Clear. Lows in the mid 30s.

Day: Sunny. Highs in the lower 50s.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 40s.

Day: Partly sunny. Highs in the mid 50s.

Night: Partly cloudy in the evening, then becoming mostly cloudy. A 30 percent chance of showers. Lows in the upper 40s.

Day: Partly sunny. A chance of showers, mainly in the morning. Highs in the upper 50s. Chance of rain 30 percent.

Night: Mostly cloudy early, then clearing. Lows in the mid 20s. North winds 5 to 10 mph.

Day: Sunny. Highs in the lower 40s. North winds 5 to 10 mph.

Night: Clear. Lows in the lower 20s. Northeast winds around 5 mph in the evening, becoming light and variable.

Day: Sunny. Highs in the mid 40s. Light and variable winds, becoming southeast around 5 mph in the afternoon.

Night: Mostly clear. Lows in the mid 20s. Southeast winds around 5 mph.

Day: Sunny. Highs in the upper 40s.

Night: Clear. Lows in the upper 20s.

Day: Sunny. Highs in the upper 40s.

Night: Clear. Lows in the lower 30s.

Day: Sunny. Highs in the lower 50s.

Night: Mostly clear. Lows around 40.

Day: Partly sunny. Highs in the mid 50s.

Night: Partly cloudy with a slight chance of showers in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the upper 40s. Chance of rain 30 percent.

Day: Partly sunny. A chance of showers in the morning. Highs in the upper 50s. Chance of rain 30 percent.

Night: Partly sunny early, then becoming partly cloudy. Lows in the mid 20s. North winds 10 to 15 mph, diminishing to around 5 mph after midnight.

Day: Sunny. Highs in the lower 40s. North winds around 5 mph.

Night: Clear. Lows in the lower 20s. Northeast winds around 5 mph in the evening, becoming light and variable.

Day: Sunny. Highs in the mid 40s. Light and variable winds, becoming south around 5 mph in the afternoon.

Night: Mostly clear. Lows in the mid 20s. Southeast winds around 5 mph.

Day: Sunny. Highs in the upper 40s.

Night: Clear. Lows in the upper 20s.

Day: Sunny. Highs in the upper 40s.

Night: Clear. Lows in the lower 30s.

Day: Sunny. Highs in the lower 50s.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 30s.

Day: Partly sunny. Highs in the mid 50s.

Night: Mostly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the mid 40s. Chance of rain 30 percent.

Day: Mostly cloudy with a chance of showers in the morning, then partly sunny with a slight chance of showers in the afternoon. Highs in the upper 50s. Chance of rain 40 percent.

Night: Partly cloudy. Lows in the mid 20s. North winds 10 to 15 mph, diminishing to around 5 mph after midnight.

Day: Sunny. Highs in the lower 40s. North winds 5 to 10 mph.

Night: Clear. Lows in the lower 20s. North winds around 5 mph in the evening, becoming light and variable.

Day: Sunny. Highs in the mid 40s. Light and variable winds, becoming southeast around 5 mph in the afternoon.

Night: Mostly clear. Lows in the mid 20s. Southeast winds around 5 mph.

Day: Sunny. Highs in the upper 40s.

Night: Clear. Lows in the upper 20s.

Day: Sunny. Highs around 50.

Night: Clear. Lows in the lower 30s.

Day: Sunny. Highs in the mid 50s.

Night: Mostly clear. Lows in the upper 30s.

Day: Mostly sunny. Highs in the upper 50s.

Night: Partly cloudy with a slight chance of showers in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the upper 40s. Chance of rain 30 percent.

Day: Mostly cloudy with a chance of showers in the morning, then partly sunny with a slight chance of showers in the afternoon. Highs around 60. Chance of rain 30 percent.

Night: Partly cloudy. Lows in the mid 20s. North winds 5 to 10 mph.

Day: Sunny. Highs in the lower 40s. North winds 5 to 10 mph.

Night: Clear. Lows in the lower 20s. Northeast winds around 5 mph in the evening, becoming light and variable.

Day: Sunny. Highs in the mid 40s. Southeast winds around 5 mph.

Night: Mostly clear. Lows in the mid 20s. Southeast winds around 5 mph.

Day: Sunny. Highs in the upper 40s.

Night: Mostly clear. Lows in the upper 20s.

Day: Sunny. Highs in the upper 40s.

Night: Clear. Lows in the lower 30s.

Day: Sunny. Highs in the lower 50s.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows around 40.

Day: Partly sunny. Highs in the mid 50s.

Night: Partly cloudy in the evening, then becoming mostly cloudy. A 30 percent chance of showers. Lows in the upper 40s.

Day: Partly sunny. A slight chance of showers in the morning. Highs in the upper 50s. Chance of rain 20 percent.

Night: Mostly cloudy. Lows in the mid 20s. North winds 10 to 15 mph, diminishing to around 5 mph after midnight.

Day: Sunny. Highs around 40. North winds around 5 mph.

Night: Clear. Lows in the lower 20s. North winds around 5 mph in the evening, becoming light and variable.

Day: Sunny. Highs in the mid 40s. Light and variable winds.

Night: Clear. Lows in the mid 20s. Light and variable winds.

Day: Sunny. Highs in the mid 40s.

Night: Clear. Lows in the upper 20s.

Day: Sunny. Highs in the upper 40s.

Night: Clear. Lows around 30.

Day: Sunny. Highs in the lower 50s.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 30s.

Day: Partly sunny. Highs in the mid 50s.

Night: Mostly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the mid 40s. Chance of rain 30 percent.

Day: Mostly cloudy in the morning, then becoming partly sunny. A 40 percent chance of showers. Highs in the upper 50s.

Night: Mostly cloudy this evening, then becoming partly cloudy. Lows in the lower 20s. North winds 10 to 15 mph, diminishing to around 5 mph after midnight.

Day: Sunny. Highs in the lower 40s. North winds around 5 mph.

Night: Mostly clear. Lows around 20. Northeast winds around 5 mph in the evening, becoming light and variable.

Day: Sunny. Highs in the mid 40s. Southeast winds around 5 mph.

Night: Mostly clear. Lows in the lower 20s. Southeast winds around 5 mph in the evening, becoming light and variable.

Day: Sunny. Highs in the upper 40s.

Night: Clear. Lows in the upper 20s.

Day: Sunny. Highs in the upper 40s.

Night: Clear. Lows in the lower 30s.

Day: Sunny. Highs in the lower 50s.

Night: Partly cloudy. Lows around 40.

Day: Partly sunny. Highs in the mid 50s.

Night: Mostly cloudy with a 40 percent chance of showers. Lows in the mid 40s.

Day: Mostly cloudy with a chance of showers in the morning, then partly sunny with a slight chance of showers in the afternoon. Highs in the upper 50s. Chance of rain 40 percent.

Night: Mostly cloudy. Lows in the mid 20s. North winds 10 to 15 mph, diminishing to around 5 mph after midnight.

Day: Sunny. Highs in the lower 40s. North winds 5 to 10 mph.

Night: Clear. Lows in the lower 20s. North winds around 5 mph in the evening, becoming light and variable.

Day: Sunny. Highs in the mid 40s. Light and variable winds.

Night: Clear. Lows in the mid 20s. Light and variable winds.

Day: Sunny. Highs in the upper 40s.

Night: Clear. Lows in the mid 20s.

Day: Sunny. Highs around 50.

Night: Clear. Lows in the upper 20s.

Day: Sunny. Highs in the lower 50s.

Night: Mostly clear. Lows in the mid 30s.

Day: Mostly sunny. Highs in the mid 50s.

Night: Mostly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the mid 40s. Chance of rain 30 percent.

Day: Mostly cloudy with a chance of showers in the morning, then partly sunny with a slight chance of showers in the afternoon. Highs in the upper 50s. Chance of rain 30 percent.

Night: Mostly cloudy. Lows in the upper 20s. North winds 10 to 15 mph.

Day: Sunny. Highs in the lower 40s. North winds 5 to 10 mph.

Night: Clear. Lows in the lower 20s. North winds around 5 mph in the evening, becoming light and variable.

Day: Sunny. Highs in the mid 40s. Light and variable winds.

Night: Clear. Lows in the mid 20s. Light and variable winds.

Day: Sunny. Highs in the upper 40s.

Night: Clear. Lows in the upper 20s.

Day: Sunny. Highs in the lower 50s.

Night: Clear. Lows around 30.

Day: Sunny. Highs in the mid 50s.

Night: Mostly clear. Lows in the upper 30s.

Day: Mostly sunny. Highs in the upper 50s.

Night: Partly cloudy with a slight chance of showers in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the mid 40s. Chance of rain 30 percent.

Day: Mostly cloudy with a chance of showers in the morning, then partly sunny with a slight chance of showers in the afternoon. Highs in the lower 60s. Chance of rain 30 percent.