Weather forecast for: Chapin IL
Last Update: 6:36 am CDT Oct 25, 2026
Today: Partly sunny, with a high near 78. Light south wind.
Tonight: Mostly cloudy, with a low around 52. Calm wind.
Monday: Partly sunny, with a high near 78. Light south southwest wind.
Monday Night: Partly cloudy, with a low around 51. Calm wind.
Tuesday: Mostly cloudy, with a high near 75. Calm wind becoming south 5 to 7 mph in the morning.
Tuesday Night: Mostly cloudy, with a low around 52. South southeast wind around 6 mph.
Wednesday: Sunny, with a high near 79. South southwest wind 6 to 9 mph, with gusts as high as 15 mph.
Wednesday Night: Mostly clear, with a low around 55.
Thursday: Sunny, with a high near 80.
Thursday Night: Partly cloudy, with a low around 54.
Friday: Mostly sunny, with a high near 79.
Friday Night: Mostly cloudy, with a low around 56.
Saturday: A chance of showers. Mostly cloudy, with a high near 76.