Weather forecast for: Grayville IL
Last Update: 1:26 am CDT Sep 4, 2026
Today: Sunny and hot, with a high near 99. Heat index values as high as 105. Light and variable wind.
Tonight: Mostly clear, with a low around 76. Calm wind.
Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 99. Heat index values as high as 105. Light northwest wind.
Saturday Night: Mostly clear, with a low around 72. Light north northeast wind.
Sunday: Sunny, with a high near 91. Light north northeast wind becoming northeast 5 to 9 mph in the morning.
Sunday Night: Mostly clear, with a low around 65. Northeast wind 5 to 9 mph becoming light east northeast after midnight.
Labor Day: Sunny, with a high near 90. East northeast wind 3 to 6 mph.
Monday Night: Mostly clear, with a low around 66. East wind around 5 mph becoming calm in the evening.
Tuesday: Sunny, with a high near 94. Calm wind becoming south around 6 mph in the afternoon.
Tuesday Night: Mostly clear, with a low around 73. South wind around 6 mph.
Wednesday: Sunny and hot, with a high near 99. Southwest wind 7 to 11 mph.
Wednesday Night: Mostly clear, with a low around 76. South southwest wind around 8 mph.
Thursday: A chance of showers. Sunny, with a high near 96. West wind 7 to 11 mph.
WeatherWorld.com
City of Grayville, IL
