Weather forecast for: Edwardsville IL
Last Update: 1:41 am CDT Sep 26, 2026
Overnight: A chance of sprinkles. Mostly cloudy, with a low around 58. Light east wind.
Saturday: A chance of sprinkles before 7am. Mostly cloudy, with a high near 72. East wind 3 to 5 mph.
Saturday Night: Mostly cloudy, with a low around 58. Light east wind.
Sunday: Mostly sunny, with a high near 77. Light east wind.
Sunday Night: Partly cloudy, with a low around 55. Light east wind.
Monday: Sunny, with a high near 78.
Monday Night: Mostly clear, with a low around 56.
Tuesday: Mostly sunny, with a high near 83.
Tuesday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 66.
Wednesday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
Wednesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Thursday: Showers and thunderstorms likely. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Thursday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 63.
Friday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.