Weather forecast for: Fox Valley IL
Last Update: 5:45 am CDT Sep 16, 2026
Today: Showers likely, mainly before 11am. Mostly cloudy, with a high near 74. Northeast wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight: A slight chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 65. East northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday: Showers likely and possibly a thunderstorm before 10am, then a slight chance of showers between 10am and 1pm. Mostly cloudy, with a high near 77. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night: Mostly cloudy, with a low around 63. Northeast wind around 5 mph.
Friday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 77. East wind 5 to 10 mph, with gusts as high as 15 mph.
Friday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Saturday: Showers and possibly a thunderstorm. High near 81. Chance of precipitation is 80%.
Saturday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 64.
Sunday: A chance of showers. Mostly cloudy, with a high near 74.
Sunday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 61.
Monday: A chance of showers. Mostly cloudy, with a high near 73.
Monday Night: A chance of showers. Mostly cloudy, with a low around 59.
Tuesday: A chance of showers. Partly sunny, with a high near 74.