| NWS Forecast for: De Kalb County Issued by: National Weather Service Chicago, IL Last Update: 324 AM CST Thu Nov 20 2025 |  |
Today: Cloudy. Patchy fog early in the morning. Patchy drizzle early in the morning. A chance of drizzle late. Highs in the upper 40s. South winds 5 to 10 mph. Tonight: Cloudy. A chance of drizzle early in the evening. Near steady temperature in the mid 40s. Southwest winds around 5 mph, becoming northwest after midnight. Friday: Mostly cloudy. A slight chance of rain in the afternoon. Highs in the lower 50s. North winds around 5 mph. Chance of precipitation 20 percent. Friday Night: Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of rain in the evening. Lows around 30. North winds around 5 mph. Chance of precipitation 20 percent. Saturday: Partly cloudy in the morning, then clearing. Highs around 50. East winds around 5 mph, becoming southwest in the afternoon. Saturday Night: Mostly clear. Lows in the mid 30s. Sunday: Mostly sunny. Highs in the mid 50s. Sunday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 30s. Monday: Mostly cloudy. A chance of rain in the afternoon. Highs in the lower 50s. Chance of precipitation 30 percent. Monday Night: Mostly cloudy with a 50 percent chance of rain. Lows in the lower 40s. Tuesday: Mostly cloudy with a 50 percent chance of rain. Highs in the lower 50s. Tuesday Night: Mostly cloudy. Lows in the lower 30s. Wednesday: Mostly cloudy. Highs in the lower 40s. | |
| Zone Forecast: De Kalb County | |
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