Weather forecast for: Macomb IL
Last Update: 2:36 am CDT Sep 2, 2026
Overnight: Mostly clear, with a steady temperature around 76. South wind around 5 mph.
Wednesday: Sunny, with a high near 94. Heat index values as high as 100. Southwest wind 5 to 10 mph.
Wednesday Night: Mostly clear, with a low around 76. South wind around 5 mph.
Thursday: Sunny, with a high near 93. Heat index values as high as 102. Southwest wind around 5 mph.
Thursday Night: Mostly clear, with a low around 76.
Friday: Sunny, with a high near 93.
Friday Night: Mostly clear, with a low around 73.
Saturday: Mostly sunny, with a high near 92.
Saturday Night: Partly cloudy, with a low around 71.
Sunday: Mostly sunny, with a high near 88.
Sunday Night: Partly cloudy, with a low around 68.
Labor Day: Mostly sunny, with a high near 86.
Monday Night: Partly cloudy, with a low around 67.
Tuesday: Mostly sunny, with a high near 86.