7-Day Forecast 41.92°N 88.76°W (Text-Only)
NWS Forecast for: De Kalb IL
Issued by: National Weather Service Chicago, IL
Last Update: 7:41 pm CDT Jul 12, 2025


Overnight: Mostly clear, with a low around 61. West northwest wind around 5 mph.

Sunday: Mostly sunny, with a high near 82. Calm wind becoming west around 5 mph in the morning.

Sunday Night: Mostly clear, with a low around 63. West northwest wind around 5 mph becoming calm.

Monday: Sunny, with a high near 87. Southwest wind 5 to 10 mph.

Monday Night: Mostly clear, with a low around 68. Southwest wind around 5 mph becoming calm.

Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85.

Tuesday Night: A slight chance of showers and thunderstorms, then a chance of showers after 1am. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.

Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 85.

Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66.

Thursday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 81.

Thursday Night: A chance of showers. Mostly cloudy, with a low around 62.

Friday: Mostly cloudy, with a high near 79.

Friday Night: Partly cloudy, with a low around 62.

Saturday: Partly sunny, with a high near 81.



De Kalb IL
 41.92°N 88.76°W

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