Severe Weather in the Plains; Heavy Rainfall in the Ohio and Tennessee Valleys; Heat Wave in the Central U.S.

Numerous severe storms with a potential for severe wind gusts, tornadoes (some potentially strong), and very large hail are expected in parts of the central and northern Plains. Heavy rainfall may bring a flooding threat to parts of the northern Plains and from the Ohio Valley to the Southeast. Fire weather concerns persist in the Four Corners Region. Hot and humid expected in the central U.S.. Read More >

7-Day Zone Forecast for De Kalb County (Text-Only)
NWS Forecast for: De Kalb County
Issued by: National Weather Service Chicago, IL
Last Update: 337 AM CDT Tue Jun 9 2026
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Today: Mostly cloudy in the morning, then becoming partly cloudy. A slight chance of showers until late afternoon. A slight chance of thunderstorms early in the afternoon. Highs in the mid 80s. West winds 5 to 10 mph. Chance of precipitation 20 percent.

Tonight: Partly cloudy. A slight chance of showers and thunderstorms late in the evening. A chance of showers and thunderstorms after midnight. Lows in the lower 70s. West winds around 5 mph, becoming south after midnight. Chance of precipitation 40 percent.

Wednesday: Partly cloudy. A chance of showers and thunderstorms in the afternoon. Breezy with highs in the lower 90s. Southwest winds 15 to 20 mph with gusts up to 30 mph. Chance of precipitation 50 percent. Heat index values up to 101.

Wednesday Night: Partly cloudy in the evening, then becoming mostly cloudy. Showers and thunderstorms likely, mainly in the evening. Breezy with lows around 70. Southwest winds 15 to 20 mph with gusts up to 30 mph, diminishing to 10 to 15 mph after midnight. Chance of precipitation 70 percent.

Thursday: Mostly cloudy. A chance of showers and thunderstorms in the morning, then showers and thunderstorms in the afternoon. Breezy with highs in the upper 80s. Southwest winds 10 to 15 mph, increasing to 15 to 20 mph with gusts up to 30 mph in the afternoon. Chance of precipitation 90 percent.

Thursday Night: Mostly cloudy with showers and thunderstorms likely in the evening, then partly cloudy after midnight. Lows in the lower 60s. Chance of precipitation 70 percent.

Friday: Sunny. Highs in the upper 70s.

Friday Night: Clear. Lows around 60.

Saturday: Mostly sunny. Highs in the lower 80s.

Saturday Night: Mostly clear in the evening, then becoming partly cloudy. A chance of thunderstorms in the evening. A chance of showers. Lows in the upper 50s. Chance of precipitation 30 percent.

Sunday: Partly cloudy in the morning, then becoming mostly cloudy. Highs in the upper 70s.

Sunday Night: Partly cloudy. Lows in the mid 50s.

Monday: Partly cloudy. Highs in the mid 70s.







Zone Forecast: De Kalb County

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