| NWS Forecast for: De Kalb IL Issued by: National Weather Service Chicago, IL Last Update: 9:56 am CDT Jul 13, 2025 | |
Today: Partly sunny, with a high near 80. West wind 5 to 10 mph. Tonight: Partly cloudy, with a low around 64. West wind around 5 mph becoming calm. Monday: Sunny, with a high near 86. Calm wind becoming west southwest around 5 mph in the morning. Winds could gust as high as 10 mph. Monday Night: Mostly clear, with a low around 65. Calm wind. Tuesday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 88. South wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 20%. Tuesday Night: A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 69. Chance of precipitation is 10%. Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Chance of precipitation is 50%. Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Thursday: A chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 80. Thursday Night: Partly cloudy, with a low around 60. Friday: Mostly sunny, with a high near 79. Friday Night: Partly cloudy, with a low around 61. Saturday: A chance of showers. Partly sunny, with a high near 81. | |
| De Kalb IL 41.92°N 88.76°W | |
Visit your local NWS office at: https://www.weather.gov/lot |