| NWS Forecast for: Stephenson County Issued by: National Weather Service Quad Cities, IA/IL Last Update: 306 AM CDT Wed Aug 12 2026 |  |
Today: Mostly cloudy. Areas of fog early this morning. Patchy fog this afternoon. A slight chance of showers and thunderstorms early. Showers and thunderstorms likely this morning, then a chance of showers and thunderstorms this afternoon. Humid with highs in the lower 80s. East winds around 5 mph, becoming south around 5 mph this afternoon. Chance of rain 70 percent. Tonight: Partly cloudy in the evening, then mostly cloudy with a slight chance of showers and thunderstorms after midnight. Patchy fog. Humid with lows in the upper 60s. Southeast winds around 5 mph. Chance of rain 20 percent. Thursday: Patchy fog in the morning. Showers likely with a chance of thunderstorms. Humid with highs in the upper 70s. East winds around 5 mph. Chance of rain 70 percent. Thursday Night: A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Humid with lows in the mid 60s. East winds 5 to 10 mph. Chance of rain 50 percent. Friday: Partly sunny. Humid with highs in the upper 70s. East winds 5 to 10 mph. Friday Night And Saturday: Showers likely with a chance of thunderstorms. Lows in the mid 60s. Highs in the lower 80s. Chance of rain 70 percent. Saturday Night: Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 50 percent. Sunday: Mostly cloudy. Highs around 80. Sunday Night: Partly cloudy. Lows in the lower 60s. Monday: Sunny. Highs in the upper 70s. Monday Night And Tuesday: Partly cloudy. Lows in the upper 50s. Highs in the upper 70s. | |
| Zone Forecast: Stephenson County | |
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