Weather Forecast for
Jefferson County, IL


Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 10pm. Low around 69. Light and variable wind. Chance of precipitation is 90%.

Friday: Showers and thunderstorms before 1pm, then showers and possibly a thunderstorm, mainly after 1pm. High near 82. South southeast wind 5 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%.

Friday Night: Showers and thunderstorms before 2am, then a chance of showers and thunderstorms after 3am. Low around 69. Southwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 80%.

Saturday: A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. Calm wind. Chance of precipitation is 40%.

Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 72. Light and variable wind. Chance of precipitation is 60%.

Sunday: Sunny, with a high near 92. South wind 3 to 7 mph.

Sunday Night: Clear, with a low around 75. South wind around 6 mph becoming calm after midnight.

Monday: Sunny, with a high near 95. Calm wind becoming south southwest around 5 mph in the afternoon.

Monday Night: Clear, with a low around 75. South wind around 5 mph becoming calm in the evening.

Tuesday: Sunny and hot, with a high near 97. Light south southwest wind.

Tuesday Night: Clear, with a low around 76. Calm wind.

Wednesday: Sunny and hot, with a high near 97. Calm wind.

Wednesday Night: Mostly clear, with a low around 76. Calm wind.

Thursday: A slight chance of showers and thunderstorms. Sunny, with a high near 96. Calm wind.

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