Weather forecast for: Eureka IL
Last Update: 3:36 pm CDT Sep 3, 2026
This Afternoon: Sunny and hot, with a high near 97. Heat index values as high as 114. Southwest wind around 8 mph.
Tonight: Mostly clear, with a low around 74. South wind around 6 mph.
Friday: Sunny and hot, with a high near 96. Heat index values as high as 104. West southwest wind 6 to 8 mph.
Friday Night: Mostly clear, with a low around 73. Light southwest wind.
Saturday: Sunny, with a high near 92. Calm wind becoming north 5 to 7 mph in the morning.
Saturday Night: Mostly clear, with a low around 67. East northeast wind 6 to 8 mph, with gusts as high as 16 mph.
Sunday: Mostly sunny, with a high near 86. East northeast wind 6 to 10 mph.
Sunday Night: Mostly clear, with a low around 62.
Labor Day: Sunny, with a high near 85.
Monday Night: Partly cloudy, with a low around 65.
Tuesday: Mostly sunny, with a high near 91.
Tuesday Night: Mostly clear, with a low around 73.
Wednesday: Mostly sunny, with a high near 94.
WeatherWorld.com
City of Eureka, IL
