7-Day Zone Forecast for Johnson County (Text-Only)
NWS Forecast for: Johnson County
Issued by: National Weather Service Quad Cities, IA/IL
Last Update: 842 PM CDT Mon May 4 2026


Tonight: Partly cloudy with a chance of showers and thunderstorms this evening, then mostly cloudy with a slight chance of showers after midnight. Lows in the mid 40s. Northwest winds 10 to 15 mph. Chance of rain 30 percent.

Tuesday: Partly sunny in the morning, then becoming mostly cloudy. Much cooler with highs in the upper 50s. North winds 5 to 10 mph.

Tuesday Night: Mostly cloudy. Lows around 40. North winds 5 to 10 mph.

Wednesday: Partly sunny. Highs in the mid 50s. North winds 5 to 10 mph.

Wednesday Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 30s. Northwest winds 5 to 10 mph.

Thursday Through Friday: Partly cloudy. Highs in the mid 60s. Lows in the mid 40s.

Friday Night And Saturday: Mostly clear. Lows in the mid 40s. Highs in the lower 70s.

Saturday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 40s.

Sunday: Partly sunny with a chance of showers. Highs in the upper 60s. Chance of rain 40 percent.

Sunday Night And Monday: Partly cloudy. Lows in the mid 40s. Highs in the upper 60s.







Zone Forecast: Johnson County

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