Weather forecast for: Effingham IL
Last Update: 12:36 pm CDT Sep 5, 2026
This Afternoon: A slight chance of showers between 3pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 100. Heat index values as high as 104. Northwest wind around 7 mph. Chance of precipitation is 20%.
Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 68. Northeast wind around 6 mph.
Sunday: Sunny, with a high near 87. Northeast wind 7 to 9 mph, with gusts as high as 15 mph.
Sunday Night: Mostly clear, with a low around 61. Northeast wind 5 to 9 mph becoming light east northeast after midnight. Winds could gust as high as 15 mph.
Labor Day: Sunny, with a high near 88. East wind 3 to 6 mph.
Monday Night: Mostly clear, with a low around 63. 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 morning.
Tuesday Night: Mostly clear, with a low around 72.
Wednesday: Sunny and hot, with a high near 98.
Wednesday Night: A 40 percent chance of showers after 1am. Mostly clear, with a low around 68.
Thursday: A chance of showers. Mostly sunny, with a high near 88.
Thursday Night: Partly cloudy, with a low around 61.
Friday: Sunny, with a high near 87.
WeatherWorld.com
City of Effingham, IL
