Weather Forecast for
Union County, IL

Tonight: Increasing clouds, with a low around 71. South wind 7 to 13 mph, with gusts as high as 21 mph.

Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 88. South wind 11 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.

Monday Night: A 30 percent chance of showers and thunderstorms, mainly before 9pm. Mostly clear, then becoming mostly cloudy toward daybreak, with a low around 71. South wind 10 to 13 mph, with gusts as high as 22 mph.

Tuesday: A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 87. South southwest wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

Tuesday Night: Showers and possibly a thunderstorm. Low around 61. West southwest wind 5 to 8 mph becoming light and variable. Chance of precipitation is 90%.

Wednesday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 73. North wind around 9 mph. Chance of precipitation is 40%.

Wednesday Night: A slight chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 55. Northeast wind 6 to 9 mph. Chance of precipitation is 20%.

Thursday: A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 75. Northeast wind 6 to 8 mph.

Thursday Night: A chance of showers, mainly after 1am. Mostly cloudy, with a low around 58. East wind 3 to 7 mph.

Friday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77. Light and variable wind becoming south southwest around 5 mph in the afternoon.

Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Southwest wind around 5 mph becoming calm in the evening.

Saturday: A chance of showers and thunderstorms. Partly sunny, with a high near 82. Calm wind becoming south around 5 mph in the afternoon.

Saturday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 63. South wind around 5 mph becoming calm in the evening.

Sunday: A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Calm wind becoming south around 6 mph in the afternoon.

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