


NWS Forecast for: Jefferson County Issued by: National Weather Service Quad Cities, IA/IL Last Update: 558 AM CDT Fri Aug 15 2025 | ![]() |
Today: Mostly sunny. Hot with highs in the lower 90s. South winds 5 to 10 mph. Heat index values up to 101 this afternoon. Tonight: Partly cloudy. A slight chance of showers and thunderstorms in the evening. Humid with lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 20 percent. Heat index values up to 100 early in the evening. Saturday: Sunny, hot with highs in the lower 90s. South winds 5 to 10 mph. Heat index values up to 108 in the afternoon. Saturday Night: Mostly clear. Humid with lows in the lower 70s. South winds around 5 mph. Heat index values up to 107 early in the evening. Sunday: Sunny, hot with highs in the lower 90s. South winds 5 to 10 mph. Heat index values up to 105. Sunday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 70s. Heat index values up to 105 early in the evening. Monday: Sunny, hot with highs in the lower 90s. Heat index values up to 105. Monday Night And Tuesday: Partly cloudy. A chance of showers and thunderstorms. Lows in the lower 70s. Highs in the upper 80s. Chance of rain 40 percent. Heat index values up to 105. Tuesday Night And Wednesday: Partly cloudy. Lows in the upper 60s. Highs in the lower 80s. Wednesday Night And Thursday: Mostly clear. Lows in the lower 60s. Highs in the lower 80s. | |
Zone Forecast: Jefferson County | |
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