Weather forecast for: Piasa IL
Last Update: 5:36 am CDT Oct 1, 2026
Today: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 85. South wind 9 to 15 mph becoming west in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 50%.
Tonight: Showers and possibly a thunderstorm before 4am, then a chance of showers. Low around 59. North wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.
Friday: A 30 percent chance of showers, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 68. North wind around 14 mph, with gusts as high as 26 mph.
Friday Night: Mostly clear, with a low around 46. Northeast wind 6 to 8 mph.
Saturday: Sunny, with a high near 71. East wind around 7 mph.
Saturday Night: Mostly clear, with a low around 48.
Sunday: Sunny, with a high near 74.
Sunday Night: Clear, with a low around 49.
Monday: Sunny, with a high near 70.
Monday Night: Clear, with a low around 44.
Tuesday: Sunny, with a high near 70.
Tuesday Night: Mostly clear, with a low around 49.
Wednesday: Sunny, with a high near 77.
WeatherWorld.com
