Big Rock Weather Forecast
Weather forecast for: Big Rock IL
Last Update: 9:41 am CDT Oct 21, 2026
Today: Sunny, with a high near 73. South southwest wind around 5 mph.
Tonight: Clear, with a low around 46. Calm wind.
Thursday: Sunny, with a high near 74. Calm wind becoming east northeast around 5 mph in the afternoon.
Thursday Night: Mostly clear, with a low around 44. East wind around 5 mph becoming calm in the evening.
Friday: Sunny, with a high near 72. Calm wind becoming south southeast around 5 mph in the morning. Winds could gust as high as 10 mph.
Friday Night: Partly cloudy, with a low around 48.
Saturday: Mostly sunny, with a high near 72.
Saturday Night: Mostly cloudy, with a low around 50.
Sunday: Partly sunny, with a high near 74.
Sunday Night: Mostly cloudy, with a low around 50.
Monday: Partly sunny, with a high near 67.
Monday Night: Mostly cloudy, with a low around 46.
Tuesday: Partly sunny, with a high near 59.
WeatherWorld.com
