| NWS Forecast for: 4 Miles WSW Harmon IL Issued by: National Weather Service Chicago, IL Last Update: 9:11 pm CDT Sep 14, 2026 |  |
Overnight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Low around 68. Breezy, with a south wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible. Tuesday: Showers and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms after 10am. High near 78. South wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible. Tuesday Night: A 50 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 60. Northwest wind 5 to 10 mph becoming northeast after midnight. Wednesday: A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 73. East wind 5 to 10 mph. Chance of precipitation is 60%. Wednesday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. East wind around 5 mph becoming south after midnight. Chance of precipitation is 60%. Thursday: Showers likely and possibly a thunderstorm before 1pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%. Thursday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 65. Friday: A chance of showers. Partly sunny, with a high near 83. Friday Night: A chance of showers after 1am. Partly cloudy, with a low around 67. Saturday: A chance of showers. Mostly sunny, with a high near 84. Saturday Night: A chance of showers. Mostly cloudy, with a low around 64. Sunday: A chance of showers. Partly sunny, with a high near 79. Sunday Night: A chance of showers. Mostly cloudy, with a low around 59. Monday: Partly sunny, with a high near 76. | |
| 4 Miles WSW Harmon IL 41.71°N 89.62°W | |
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