| NWS Forecast for: Stephenson County Issued by: National Weather Service Quad Cities, IA/IL Last Update: 452 AM CDT Wed Jul 1 2026 | |
Today: Mostly sunny. Hot with highs in the lower 90s. Southwest winds 10 to 15 mph. Gusts up to 30 mph this afternoon. Heat index values up to 102. Tonight: Mostly clear. A slight chance of showers and thunderstorms after midnight. Humid with lows in the mid 70s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent. Heat index values up to 102 early in the evening. Thursday: Mostly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 80s. Southwest winds 10 to 15 mph. Chance of rain 50 percent. Heat index values up to 100. Thursday Night: Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight. Humid with lows in the lower 70s. Southwest winds 5 to 10 mph. Chance of rain 70 percent. Friday: Showers likely. A chance of thunderstorms in the afternoon. Hot with highs around 90. Southwest winds 5 to 10 mph. Chance of rain 70 percent. Friday Night: Showers and thunderstorms likely in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of rain 70 percent. Independence Day: Partly sunny. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 70 percent. Saturday Night: A chance of thunderstorms in the evening. Showers likely. Lows in the upper 60s. Chance of rain 70 percent. Sunday: Partly sunny. A chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 30 percent. Sunday Night Through Tuesday: Partly cloudy. Lows in the mid 60s. Highs in the upper 80s. | |
| Zone Forecast: Stephenson County | |
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