| NWS Forecast for: De Kalb County Issued by: National Weather Service Chicago, IL Last Update: 1108 AM CST Sat Mar 7 2026 |  |
| Rest Of Today: Cloudy. A slight chance of drizzle late in the morning. Breezy. Highs in the upper 50s. Temperature falling into the lower 40s in the afternoon. West winds 15 to 20 mph with gusts up to 30 mph. Tonight: Mostly cloudy in the evening, then clearing. Lows in the lower 30s. West winds 10 to 15 mph with gusts up to 25 mph, becoming southwest 5 to 10 mph after midnight. Sunday: Mostly sunny and breezy. Highs in the lower 60s. Southwest winds 15 to 20 mph with gusts up to 30 mph. Sunday Night: Clear, breezy with lows in the mid 40s. Southwest winds 15 to 20 mph with gusts up to 30 mph. Monday: Sunny. Highs around 70. Southwest winds 15 to 20 mph, diminishing to 10 to 15 mph in the afternoon. Monday Night: Clear. Lows in the lower 40s. Tuesday: Mostly sunny with a slight chance of showers in the morning, then mostly cloudy with showers likely in the afternoon. Highs in the mid 60s. Chance of precipitation 70 percent. Tuesday Night: Showers with a slight chance of thunderstorms in the evening, then showers likely after midnight. Lows in the upper 30s. Chance of precipitation 90 percent. Wednesday: Cloudy with a chance of showers. A chance of snow showers in the afternoon. Breezy with highs in the mid 40s. Chance of precipitation 50 percent. Wednesday Night: Mostly cloudy in the evening, then clearing. Lows in the mid 20s. Thursday: Partly cloudy in the morning, then becoming mostly cloudy. Highs in the mid 40s. Thursday Night: Cloudy. A chance of rain and snow showers after midnight. Breezy with lows in the mid 30s. Chance of precipitation 30 percent. Friday: Mostly cloudy and breezy. Highs in the mid 50s. | |
| Zone Forecast: De Kalb County | |
Visit your local NWS office at: https://www.weather.gov/lot |