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| NWS Forecast for: De Kalb IL Issued by: National Weather Service Chicago, IL Last Update: 7:41 pm CDT Jul 12, 2025 |  |
| Overnight: Mostly clear, with a low around 61. West northwest wind around 5 mph. Sunday: Mostly sunny, with a high near 82. Calm wind becoming west around 5 mph in the morning. Sunday Night: Mostly clear, with a low around 63. West northwest wind around 5 mph becoming calm in the evening. Monday: Sunny, with a high near 87. Southwest wind 5 to 10 mph. Monday Night: Mostly clear, with a low around 68. Southwest wind around 5 mph becoming calm. Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. Tuesday Night: A slight chance of showers and thunderstorms, then a chance of showers after 1am. Mostly cloudy, with a low around 69. Chance of precipitation is 30%. Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 85. Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Thursday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 81. Thursday Night: A chance of showers. Mostly cloudy, with a low around 62. Friday: Mostly cloudy, with a high near 79. Friday Night: Partly cloudy, with a low around 62. Saturday: Partly sunny, with a high near 81. | |
| De Kalb IL 41.94°N 88.76°W | |
Visit your local NWS office at: https://www.weather.gov/lot |
