| NWS Forecast for: De Kalb County Issued by: National Weather Service Chicago, IL Last Update: 120 PM CDT Sat Oct 17 2026 |  |
This Afternoon: Sunny. Highs in the upper 50s. Southwest winds 5 to 10 mph. Tonight: Clear. Patchy frost after midnight. Lows in the mid 30s. South winds 5 to 10 mph. Sunday: Sunny. Highs in the lower 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Sunday Night: Clear. Lows in the upper 30s. South winds 5 to 10 mph. Monday: Mostly sunny. Highs in the mid 60s. South winds around 5 mph. Monday Night: Mostly clear. Lows in the lower 40s. Tuesday: Mostly sunny. Highs in the upper 60s. Tuesday Night: Mostly clear. Lows in the mid 40s. Wednesday: Partly cloudy in the morning, then becoming sunny. Highs in the lower 70s. Wednesday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 40s. Thursday: Partly cloudy in the morning, then becoming mostly sunny. Highs in the lower 70s. Thursday Night: Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 40s. Friday: Partly cloudy in the morning, then becoming mostly sunny. Highs in the lower 70s. | |
| Zone Forecast: De Kalb County | |
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