| NWS Forecast for: De Kalb IL Issued by: National Weather Service Chicago, IL Last Update: 8:41 am CST Mar 7, 2026 | |
| Today: A slight chance of showers or drizzle before 11am, then a slight chance of drizzle between 11am and 1pm. Cloudy, with a temperature falling to around 43 by 5pm. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%. Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 32. West northwest wind 10 to 15 mph becoming southwest after midnight. Winds could gust as high as 25 mph. Sunday: Sunny, with a high near 61. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Sunday Night: Mostly clear, with a low around 44. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Monday: Sunny, with a high near 70. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Monday Night: Clear, with a low around 43. Tuesday: Showers likely, mainly after noon. Mostly sunny, with a high near 64. Chance of precipitation is 70%. Tuesday Night: Showers. Cloudy, with a low around 36. Wednesday: A chance of rain showers before noon, then a chance of rain and snow showers. Cloudy, with a high near 46. Breezy. Wednesday Night: Partly cloudy, with a low around 26. Thursday: Mostly sunny, with a high near 46. Thursday Night: A chance of rain and snow showers. Cloudy, with a low around 34. Breezy. Friday: Mostly cloudy, with a high near 54. Breezy. | |
| De Kalb IL 41.92°N 88.76°W | |
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