| NWS Forecast for: De Kalb County Issued by: National Weather Service Chicago, IL Last Update: 921 PM CST Sat Dec 27 2025 | |
Rest Of Tonight: Cloudy. Areas of fog late in the evening. Widespread dense fog after midnight. Areas of drizzle. Scattered showers after midnight. Numerous showers late. Lows in the lower 40s. Southeast winds 10 to 15 mph, diminishing to 5 to 10 mph after midnight. Chance of precipitation 60 percent. Sunday: Areas of fog in the morning. Rain. A slight chance of thunderstorms in the late morning and afternoon. Breezy with highs in the mid 50s. Temperature falling into the mid 40s in the afternoon. South winds around 5 mph, increasing to southwest 15 to 20 mph with gusts up to 30 mph in the afternoon. Chance of precipitation near 100 percent. Sunday Night: Rain with a slight chance of thunderstorms early in the evening. Snow. Total snow accumulation around an inch. Windy with lows around 14. West winds 20 to 30 mph with gusts up to 45 mph. Chance of precipitation 80 percent. Monday: Mostly cloudy. A chance of snow in the morning. Windy with highs in the lower 20s. Northwest winds 20 to 30 mph. Gusts up to 45 mph in the morning. Chance of precipitation 50 percent. Monday Night: Partly cloudy in the evening, then clearing. Blustery with lows around 10 above. Northwest winds 15 to 25 mph, diminishing to 10 to 15 mph after midnight. Tuesday: Partly cloudy in the morning, then becoming mostly cloudy. Highs in the mid 20s. Tuesday Night: Mostly cloudy. Near steady temperature in the mid 20s. Wednesday: Mostly cloudy. Highs around 30. Wednesday Night: Mostly cloudy. A chance of snow in the evening. Lows around 10 above. Chance of precipitation 40 percent. New Years Day: Mostly cloudy in the morning, then clearing. Highs around 20. Thursday Night: Mostly clear. Lows 5 to 10 above. Friday: Partly cloudy. Highs in the mid 20s. Friday Night: Mostly cloudy. Near steady temperature around 20. Saturday: Partly cloudy in the morning, then becoming mostly cloudy. Highs in the lower 30s. | |
| Zone Forecast: De Kalb County | |
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