Weather Forecast for
Grundy County, IL


Tonight: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. East wind around 5 mph becoming calm in the evening.

Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 84. East wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. East southeast wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.

Monday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 86. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

Monday Night: Showers and possibly a thunderstorm before 4am, then showers likely. Low around 70. South southeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%.

Tuesday: A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 88. Chance of precipitation is 40%.

Tuesday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.

Wednesday: Mostly sunny and hot, with a high near 95.

Wednesday Night: A chance of showers and thunderstorms after 1am. Mostly clear, with a low around 74.

Thursday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 94.

Thursday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 71.

Friday: Sunny, with a high near 91.

Friday Night: A chance of showers. Partly cloudy, with a low around 67.

Saturday: A chance of showers and thunderstorms. Mostly sunny, with a high near 88.

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