Weather forecast for: Stockton IL
Last Update: 5:56 pm CDT Sep 7, 2026
Tonight: Mostly cloudy, with a low around 61. Southeast wind 5 to 10 mph.
Tuesday: Mostly sunny, with a high near 85. South wind around 10 mph.
Tuesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 68. South wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday: Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm. Mostly cloudy, with a high near 80. West wind around 10 mph. Chance of precipitation is 70%.
Wednesday Night: Mostly clear, with a low around 58.
Thursday: Sunny, with a high near 77.
Thursday Night: Clear, with a low around 55.
Friday: Sunny, with a high near 80.
Friday Night: A chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 62. Chance of precipitation is 50%.
Saturday: Mostly sunny, with a high near 81.
Saturday Night: Partly cloudy, with a low around 59.
Sunday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 77.
Sunday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Monday: A 50 percent chance of showers. Partly sunny, with a high near 78.