| NWS Forecast for: Johnson County Issued by: National Weather Service Quad Cities, IA/IL Last Update: 546 PM CDT Mon Sep 14 2026 | |
Tonight: Mostly cloudy. Showers with a chance of thunderstorms after midnight. Locally heavy rainfall possible after midnight. Warmer. Near steady temperature around 70. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 90 percent. Tuesday: Mostly cloudy. Showers with a chance of thunderstorms in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Humid. Near steady temperature in the lower 70s. West winds 5 to 10 mph, becoming northwest in the afternoon. Chance of rain 90 percent. Tuesday Night: Mostly cloudy. A chance of showers after midnight. Lows around 60. North winds 5 to 10 mph. Chance of rain 50 percent. Wednesday: Showers, mainly in the morning. Highs in the mid 70s. East winds 5 to 10 mph. Chance of rain 90 percent. Wednesday Night: Mostly cloudy. A chance of showers and thunderstorms in the evening, then showers after midnight. Humid with lows in the mid 60s. East winds around 5 mph. Chance of rain 80 percent. Thursday: Showers likely in the morning, then partly sunny in the afternoon. Highs in the lower 80s. Chance of rain 70 percent. Thursday Night: Mostly cloudy. A chance of showers after midnight. Lows in the mid 60s. Chance of rain 50 percent. Friday: Mostly cloudy with a chance of showers and thunderstorms in the morning, then mostly sunny in the afternoon. Highs in the lower 80s. Chance of rain 50 percent. Friday Night Through Saturday Night: Partly cloudy with a chance of showers. Lows in the upper 60s. Highs in the lower 80s. Chance of rain 50 percent. Sunday: Partly sunny with a chance of showers. Highs in the upper 70s. Chance of rain 50 percent. Sunday Night And Monday: Mostly cloudy. Lows around 60. Highs in the mid 70s. | |
| Zone Forecast: Johnson County | |
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