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: 156 AM CST Wed Mar 4 2026




Early This Morning: Cloudy. Areas of fog. Temperatures in the lower 30s. East winds 5 to 10 mph.

Today: Cloudy. Areas of fog early in the morning. A slight chance of rain showers late. Highs in the upper 40s. East winds 5 to 10 mph. Chance of precipitation 20 percent.

Tonight: Cloudy. A slight chance of showers in the evening. A chance of showers after midnight, then showers likely late. Patchy fog in the late evening and early morning. Areas of fog late. Near steady temperature in the lower 40s. East winds around 5 mph. Chance of precipitation 60 percent.

Thursday: Cloudy. Areas of fog early in the morning. Patchy fog in the late morning and afternoon. A slight chance of thunderstorms early in the morning. Showers likely in the morning. A slight chance of showers in the afternoon. Highs in the lower 50s. Northeast winds around 5 mph. Chance of precipitation 70 percent.

Thursday Night: Mostly cloudy. Patchy fog. Lows in the lower 40s. Southeast winds 5 to 10 mph.

Friday: Patchy fog in the morning. Showers with a slight chance of thunderstorms. Breezy with highs in the lower 70s. Southeast winds 10 to 15 mph, increasing to south 15 to 20 mph in the afternoon. Gusts up to 30 mph. Chance of precipitation 80 percent.

Friday Night: Showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. Breezy with lows in the upper 40s. Chance of precipitation near 100 percent.

Saturday: Mostly cloudy with a slight chance of showers in the morning, then partly cloudy in the afternoon. Breezy with highs in the mid 50s. Chance of precipitation 20 percent.

Saturday Night: Mostly clear. Lows in the mid 30s.

Sunday: Partly cloudy in the morning, then clearing. Breezy with highs around 60.

Sunday Night: Mostly clear. Lows in the lower 40s.

Monday: Mostly sunny. Highs in the upper 60s.

Monday Night: Mostly clear in the evening, then partly cloudy with a chance of showers after midnight. Lows in the lower 50s. Chance of precipitation 30 percent.

Tuesday: Mostly cloudy. A chance of showers in the morning, then showers likely in the afternoon. Breezy with highs in the upper 60s. Chance of precipitation 70 percent.







Zone Forecast: De Kalb County

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