Centralia Weather Forecast
Weather forecast for: Centralia IL
Last Update: 7:41 am CDT Sep 26, 2026
This Afternoon: Mostly cloudy, with a high near 71. Calm wind.
Tonight: Mostly cloudy, with a low around 57. Calm wind.
Sunday: Mostly sunny, with a high near 76. Calm wind.
Sunday Night: Mostly clear, with a low around 52. Calm wind.
Monday: Sunny, with a high near 77. Calm wind.
Monday Night: Mostly clear, with a low around 55.
Tuesday: Mostly sunny, with a high near 81.
Tuesday Night: Mostly cloudy, with a low around 64.
Wednesday: A 50 percent chance of showers. Mostly cloudy, with a high near 79.
Wednesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 67.
Thursday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79.
Thursday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Friday: A 40 percent chance of showers. Partly sunny, with a high near 79.