| NWS Forecast for: De Kalb County Issued by: National Weather Service Chicago, IL Last Update: 330 AM CDT Thu Apr 2 2026 | |
Today: Showers and a chance of thunderstorms. Windy. Highs in the upper 60s. Southeast winds 15 to 25 mph with gusts up to 35 mph, increasing to south 20 to 30 mph with gusts up to 45 mph in the afternoon. Chance of precipitation near 100 percent. Tonight: Mostly cloudy. Showers likely with a chance of thunderstorms early in the evening, then a chance of showers with a slight chance of thunderstorms late in the evening. Windy with lows in the mid 40s. Southwest winds 15 to 25 mph with gusts up to 40 mph, becoming west 15 to 20 mph with gusts up to 30 mph after midnight. Chance of precipitation 70 percent. Friday: Mostly cloudy. A chance of showers in the afternoon. A slight chance of thunderstorms late. Highs in the mid 60s. Northwest winds 5 to 10 mph, increasing to east 10 to 15 mph in the afternoon. Chance of precipitation 30 percent. Friday Night: Showers with a chance of thunderstorms. Lows in the mid 40s. Temperature rising into the lower 50s after midnight. East winds 10 to 15 mph, becoming southeast after midnight. Chance of precipitation near 100 percent. Saturday: Mostly cloudy. A chance of showers in the morning. Breezy with highs in the upper 50s. Temperature falling into the upper 40s in the afternoon. Southwest winds 15 to 20 mph, becoming west 15 to 25 mph in the afternoon. Chance of precipitation 30 percent. Saturday Night: Mostly cloudy and breezy. Lows in the lower 30s. Sunday: Mostly cloudy in the morning, then clearing. Highs in the lower 50s. Sunday Night: Mostly clear. Lows in the lower 30s. Monday: Partly cloudy. Highs in the lower 50s. Monday Night: Partly cloudy. Lows in the upper 20s. Tuesday: Mostly cloudy. Highs in the upper 40s. Tuesday Night: Mostly cloudy. Lows in the lower 30s. Wednesday: Mostly cloudy and breezy. Highs in the lower 60s. | |
| Zone Forecast: De Kalb County | |
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