Weather forecast for: Mason IL
Last Update: 6:36 am CDT Sep 7, 2026
Labor Day: Sunny, with a high near 86. East northeast wind 5 to 9 mph, with gusts as high as 15 mph.
Tonight: Mostly clear, with a low around 62. East northeast wind 3 to 5 mph.
Tuesday: Mostly sunny, with a high near 93. Calm wind becoming south around 6 mph in the morning.
Tuesday Night: Partly cloudy, with a low around 71. South southeast wind 3 to 8 mph. Winds could gust as high as 15 mph.
Wednesday: Sunny and hot, with a high near 97. West southwest wind 8 to 13 mph, with gusts as high as 20 mph.
Wednesday Night: Showers and possibly a thunderstorm. Low around 68. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday: Showers likely before 1pm. Partly sunny, with a high near 83. Calm wind becoming north northwest around 5 mph in the morning. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night: Mostly clear, with a low around 59.
Friday: Sunny, with a high near 85.
Friday Night: A 30 percent chance of showers after 1am. Mostly clear, with a low around 63.
Saturday: Mostly sunny, with a high near 90.
Saturday Night: Mostly clear, with a low around 65.
Sunday: Sunny, with a high near 90.
WeatherWorld.com
