Patterson Weather Forecast
Weather forecast for: Patterson IL
Last Update: 9:26 am CDT Sep 5, 2026
Today: Sunny and hot, with a high near 99. Heat index values as high as 106. Northwest wind 3 to 7 mph.
Tonight: Mostly clear, with a low around 69. Northeast wind 5 to 7 mph.
Sunday: Mostly sunny, with a high near 89. East wind 5 to 9 mph.
Sunday Night: Mostly clear, with a low around 63. East wind 5 to 8 mph.
Labor Day: Sunny, with a high near 88. Southeast wind 3 to 6 mph.
Monday Night: Mostly clear, with a low around 63.
Tuesday: Sunny, with a high near 95.
Tuesday Night: Mostly clear, with a low around 73.
Wednesday: Sunny and hot, with a high near 97.
Wednesday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Thursday: A 30 percent chance of showers. Mostly sunny, with a high near 88.
Thursday Night: A 20 percent chance of showers. Partly cloudy, with a low around 63.
Friday: A 20 percent chance of showers. Mostly sunny, with a high near 88.