| NWS Forecast for: De Kalb County Issued by: National Weather Service Chicago, IL Last Update: 214 PM CDT Sat May 16 2026 | |
Tonight: Mostly cloudy. A chance of showers until early morning. A chance of thunderstorms. Showers likely late. Lows in the upper 50s. South winds 5 to 10 mph. Chance of precipitation 60 percent. Sunday: Mostly cloudy. A slight chance of showers and thunderstorms early in the morning. Breezy with highs in the mid 80s. Southeast winds 10 to 15 mph, increasing to south 15 to 20 mph in the afternoon. Gusts up to 30 mph. Chance of precipitation 20 percent. Sunday Night: Mostly clear in the evening, then becoming partly cloudy. Breezy with lows in the mid 60s. South winds 10 to 15 mph with gusts up to 30 mph. Monday: A slight chance of thunderstorms in the morning. Showers. A chance of thunderstorms in the afternoon. Breezy with highs in the lower 80s. South winds 15 to 20 mph with gusts up to 35 mph. Chance of precipitation 80 percent. Monday Night: Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers in the evening. A chance of thunderstorms. Showers likely after midnight. Breezy with lows in the mid 60s. South winds 10 to 15 mph, increasing to 15 to 20 mph after midnight. Gusts up to 30 mph. Chance of precipitation 60 percent. Tuesday: Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Windy with highs in the lower 80s. Chance of precipitation 70 percent. Tuesday Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 40s. Chance of precipitation 20 percent. Wednesday: Mostly cloudy. Highs in the mid 60s. Wednesday Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 40s. Thursday: Partly cloudy. Highs in the mid 60s. Thursday Night: Partly cloudy. Lows in the mid 40s. Friday: Mostly cloudy in the morning, then becoming partly cloudy. Highs in the upper 60s. Friday Night: Partly cloudy. Lows in the upper 40s. Saturday: Partly cloudy. Highs in the mid 70s. | |
| Zone Forecast: De Kalb County | |
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