Updated 2026-08-11 11:15 local time · ZIP codes 62326
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.
82°3% rain97°2% rain98°1% rain99°1% rain98°1% rain98°1% rain98°1% rain96°1% rain93°2% rain88°3% rain
85°3% rain83°4% rain
Rain chance stays relatively low over the next 12 hours (up to 4%).
It feels like 85°F with winds near 14 mph.
88°F, 3% rain chance and 9 mph wind.
Visibility is around 10 mi; gusts may reach 24 mph.
Current temperature is 82°F, wind 14 mph, rain chance up to 4%.
UV index is 3.
Sunny and 82°F in Colchester, IL. Today's high is 99°F with a 4% rain chance. Winds are around 14 mph with gusts near 18 mph. Relative humidity is 84%, pressure is 29.96 inHg, and visibility is about 10 miles.
Sunrise is at 06:10 AM and sunset is at 08:06 PM. Tomorrow's forecast calls for Sunny with a high near 84°F and a low near 72°F. The maximum rain chance is 59%.
