| NWS Forecast for: Jefferson County Issued by: National Weather Service Quad Cities, IA/IL Last Update: 127 PM CDT Thu Jun 4 2026 | |
This Afternoon: Mostly sunny. Near steady temperature in the upper 80s. South winds 10 to 15 mph. Tonight: Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. Lows in the mid 60s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent. Friday: Mostly cloudy with showers with a chance of thunderstorms in the morning, then mostly sunny in the afternoon. Humid with highs in the mid 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent. Friday Night: A chance of thunderstorms. Showers with lows in the mid 60s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 80 percent. Saturday: A chance of showers in the morning. Partly sunny. Humid with highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of rain 30 percent. Saturday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 60s. Sunday Through Monday: Showers likely with a chance of thunderstorms. Highs in the upper 80s. Lows in the mid 60s. Chance of rain 70 percent. Monday Night: Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the mid 60s. Chance of rain 50 percent. Tuesday: Partly sunny. Hot with highs in the lower 90s. Heat index values up to 100 in the afternoon. Tuesday Night And Wednesday: Partly cloudy. Hot. Lows in the upper 60s. Highs in the mid 90s. Heat index values up to 110. | |
| Zone Forecast: Jefferson County | |
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