| NWS Forecast for: Johnson County Issued by: National Weather Service Quad Cities, IA/IL Last Update: 232 PM CDT Sun Apr 19 2026 |  |
This Afternoon: Sunny. Near steady temperature in the lower 50s. Northwest winds around 15 mph with gusts up to 25 mph. Tonight: Clear. Widespread frost after midnight. Lows in the upper 20s. North winds 5 to 10 mph with gusts up to 20 mph, becoming northeast after midnight. Monday: Widespread frost in the morning. Sunny. Highs around 60. Southeast winds 10 to 15 mph. Monday Night: Mostly clear in the evening, then becoming partly cloudy. Not as cool with lows in the upper 40s. South winds 10 to 15 mph. Tuesday: Sunny. Much warmer with highs in the upper 70s. Southwest winds 10 to 15 mph. Tuesday Night And Wednesday: Mostly clear. Lows in the lower 50s. Highs in the upper 70s. Wednesday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s. Thursday: Mostly sunny. A chance of showers and thunderstorms in the afternoon. Breezy with highs in the mid 70s. Chance of rain 40 percent. Thursday Night: Showers with a chance of thunderstorms in the evening, then showers likely after midnight. Lows in the lower 50s. Chance of rain 90 percent. Friday: Mostly sunny with a 50 percent chance of showers. Not as warm with highs in the mid 60s. Friday Night And Saturday: Partly cloudy. Lows in the mid 40s. Highs in the lower 60s. | |
| Zone Forecast: Johnson County | |
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