7-Day Zone Forecast for Rock Island County (Text-Only)
NWS Forecast for: Rock Island County
Issued by: National Weather Service Quad Cities, IA/IL
Last Update: 521 PM CDT Sun Aug 30 2026
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Tonight: Mostly cloudy. Lows in the lower 70s. South winds 10 to 15 mph with gusts up to 25 mph.

Monday: Mostly sunny. A slight chance of showers and thunderstorms in the morning. Warmer with highs in the lower 90s. Southwest winds 10 to 15 mph. Chance of rain 20 percent. Heat index values up to 100 in the afternoon.

Monday Night: Partly cloudy in the evening, then clearing. Humid with lows in the mid 70s. South winds 5 to 10 mph.

Tuesday: Sunny, hot with highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 104 in the afternoon.

Tuesday Night: Mostly clear. Humid with lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 102 early in the evening.

Wednesday And Wednesday Night: Mostly clear. Hot. Highs in the mid 90s. Lows in the mid 70s. Heat index values up to 105.

Thursday: Mostly sunny. A chance of showers and thunderstorms in the morning. Highs in the upper 80s. Chance of rain 30 percent.

Thursday Night: Partly cloudy. A chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of rain 40 percent.

Friday: Mostly sunny. Highs in the upper 80s.

Friday Night Through Saturday Night: Mostly clear. Lows in the upper 60s. Highs in the upper 80s.

Sunday: Mostly sunny. Highs in the mid 80s.







Zone Forecast: Rock Island County

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