Weather forecast for: Cairo IL
Last Update: 1:26 am CDT Sep 5, 2026
Overnight: Clear, with a low around 75. Calm wind.
Saturday: Sunny and hot, with a high near 99. Heat index values as high as 109. Calm wind.
Saturday Night: A 30 percent chance of showers before 9pm. Mostly clear, with a low around 74. Calm wind.
Sunday: Sunny, with a high near 94. Northeast wind 3 to 8 mph.
Sunday Night: Mostly clear, with a low around 67. Northeast wind 3 to 8 mph.
Labor Day: Sunny, with a high near 91. East northeast wind 3 to 6 mph.
Monday Night: Mostly clear, with a low around 67. Light east northeast wind.
Tuesday: Sunny, with a high near 95. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night: Mostly clear, with a low around 74. Southeast wind 3 to 6 mph.
Wednesday: Sunny and hot, with a high near 97. Southwest wind 5 to 8 mph.
Wednesday Night: Mostly clear, with a low around 74. South southwest wind 3 to 5 mph.
Thursday: A chance of showers and thunderstorms. Mostly sunny, with a high near 94. Light and variable wind becoming west around 5 mph in the morning.
Thursday Night: Partly cloudy, with a low around 68. Light northeast wind.
Friday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming northeast around 5 mph.