Updated 2026-08-11 12:00 local time · ZIP codes 61523
Sunny
* WHAT...Heat index values up to 105. * WHERE...Portions of central, east central, southeast, and west central Illinois. * WHEN...From noon today to 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
72°3% rain96°3% rain98°2% rain
96°9% rain91°17% rain92°3% rain91°12% rain89°4% rain86°4% rain
84°4% rain81°8% rain80°12% rain
Rain chance stays relatively low over the next 12 hours (up to 17%).
It feels like 76°F with winds near 5 mph.
72°F, 3% rain chance and 5 mph wind.
Visibility is around 10 mi; gusts may reach 14 mph.
Current temperature is 72°F, wind 5 mph, rain chance up to 17%.
UV index is 5. Sunscreen and sunglasses are sensible for longer outdoor time.
Sunny and 72°F in Chillicothe, IL. Today's high is 98°F with a 17% rain chance. Winds are around 5 mph with gusts near 7 mph. Relative humidity is 83%, pressure is 29.92 inHg, and visibility is about 10 miles.
Sunrise is at 06:04 AM and sunset is at 08:02 PM. Tomorrow's forecast calls for Sunny with a high near 83°F and a low near 71°F. The maximum rain chance is 72%.
