Weather forecast for: Harmon IL
Last Update: 7:41 pm CDT Oct 22, 2026
Tonight: Clear, with a low around 48. Calm wind.
Friday: Sunny, with a high near 74. Light east southeast wind becoming south 5 to 10 mph in the morning.
Friday Night: Partly cloudy, with a low around 48. Southeast wind around 5 mph.
Saturday: Partly sunny, with a high near 74. South wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night: Partly cloudy, with a low around 48. South southeast wind around 5 mph.
Sunday: Mostly sunny, with a high near 75.
Sunday Night: Mostly cloudy, with a low around 50.
Monday: Mostly cloudy, with a high near 70.
Monday Night: Mostly cloudy, with a low around 47.
Tuesday: Mostly cloudy, with a high near 64.
Tuesday Night: Mostly cloudy, with a low around 46.
Wednesday: Partly sunny, with a high near 67.
Wednesday Night: Partly cloudy, with a low around 46.
Thursday: Mostly sunny, with a high near 65.