Weather forecast for: Peoria IL
Last Update: 8:52 am CDT Aug 19, 2026
Today: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 81. Light and variable wind.
Tonight: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 65. Light northeast wind.
Thursday: Sunny, with a high near 81. Calm wind becoming northeast around 5 mph.
Thursday Night: Mostly clear, with a low around 64. Calm wind.
Friday: Mostly sunny, with a high near 82. Calm wind becoming southwest 5 to 7 mph in the morning.
Friday Night: Mostly clear, with a low around 66. West wind around 5 mph becoming calm in the evening.
Saturday: Sunny, with a high near 81. Light west northwest wind becoming northwest 5 to 9 mph in the morning. Winds could gust as high as 17 mph.
Saturday Night: Mostly clear, with a low around 64.
Sunday: Mostly sunny, with a high near 78.
Sunday Night: Partly cloudy, with a low around 62.
Monday: Mostly sunny, with a high near 79.
Monday Night: Partly cloudy, with a low around 64.
Tuesday: Mostly sunny, with a high near 82.