| NWS Forecast for: Illinois Valley Rgnl-Walter A Duncan Field Airport IL Issued by: National Weather Service Chicago, IL Last Update: 9:56 pm CDT Jul 13, 2025 | |
Tonight: Widespread haze before midnight. Patchy fog after midnight. Otherwise, mostly clear, with a low around 64. Calm wind. Monday: Patchy fog before 8am. Otherwise, sunny, with a high near 86. Calm wind becoming southwest around 5 mph. Monday Night: Mostly clear, with a low around 66. Calm wind becoming southeast around 5 mph. Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Calm wind becoming south around 5 mph in the morning. Winds could gust as high as 10 mph. Tuesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 70. South wind around 5 mph. Chance of precipitation is 20%. Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 88. Chance of precipitation is 40%. Wednesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Thursday: A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84. Thursday Night: A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 66. Friday: Partly sunny, with a high near 81. Friday Night: Mostly cloudy, with a low around 65. Saturday: A chance of showers. Partly sunny, with a high near 84. Saturday Night: Partly cloudy, with a low around 67. Sunday: A chance of showers and thunderstorms. Mostly sunny, with a high near 84. | |
| Illinois Valley Rgnl-Walter A Duncan Field Airport IL 41.34°N 89.14°W | |
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