Weather in Harmon, IL
Updated 2026-08-11 11:00 local time · ZIP codes 61042
Cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
70°82% rain
75°77% rain83°24% rain82°28% rain84°20% rain87°18% rain87°20% rain
85°8% rain82°9% rain79°15% rain
78°18% rain76°13% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance reaches about 82% over the next 12 hours.
It feels like 70°F with winds near 8 mph.
82°F, 9% rain chance and 7 mph wind.
Visibility is around 9 mi; gusts may reach 17 mph.
Current temperature is 70°F, wind 8 mph, rain chance up to 82%.
UV index is 1.
Harmon weather today
Cloudy and 70°F in Harmon, IL. Today's high is 87°F with a 78% rain chance. Winds are around 8 mph with gusts near 12 mph. Relative humidity is 100%, pressure is 29.91 inHg, and visibility is about 9 miles.
Tonight and tomorrow in Harmon
Sunrise is at 06:02 AM and sunset is at 08:04 PM. Tomorrow's forecast calls for Sunny with a high near 81°F and a low near 69°F. The maximum rain chance is 82%.