| NWS Forecast for: De Kalb County Issued by: National Weather Service Chicago, IL Last Update: 651 AM CDT Tue Oct 13 2026 | |
Today: Mostly sunny. Highs in the upper 70s. West winds 5 to 10 mph. Tonight: A chance of showers and thunderstorms early in the evening, then showers and thunderstorms likely in the late evening and early morning. A chance of showers and thunderstorms late. Lows around 60. North winds 5 to 10 mph. Chance of precipitation 70 percent. Wednesday: Mostly cloudy. A slight chance of showers in the morning. Near steady temperature in the lower 60s. Northeast winds 5 to 10 mph. Chance of precipitation 20 percent. Wednesday Night: Mostly cloudy. A chance of rain after midnight. Lows in the mid 50s. Northeast winds around 10 mph. Chance of precipitation 40 percent. Thursday: Rain with a chance of thunderstorms. Highs around 60. East winds 5 to 10 mph. Chance of precipitation 90 percent. Thursday Night: Mostly cloudy. A chance of rain in the evening. Lows in the mid 40s. Chance of precipitation 50 percent. Friday: Partly cloudy and breezy. Highs in the mid 50s. Friday Night: Clear. Lows in the mid 30s. Saturday: Sunny. Highs in the upper 50s. Saturday Night: Clear. Lows in the upper 30s. Sunday: Sunny. Highs in the mid 60s. Sunday Night: Partly cloudy. Lows in the mid 40s. Monday: Mostly cloudy in the morning, then becoming partly cloudy. Highs in the upper 60s. | |
| Zone Forecast: De Kalb County | |
Visit your local NWS office at: https://www.weather.gov/lot |