Updated 2026-08-11 10:15 local time · ZIP codes 61450
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.
85°4% rain90°4% rain94°3% rain96°2% rain98°1% rain97°1% rain98°1% rain96°1% rain94°1% rain91°1% rain87°2% rain
84°4% rain
Rain chance stays relatively low over the next 12 hours (up to 4%).
It feels like 91°F with winds near 13 mph.
87°F, 2% rain chance and 9 mph wind.
Visibility is around 5 mi; gusts may reach 21 mph.
Current temperature is 85°F, wind 13 mph, rain chance up to 4%.
UV index is 2.
Sunny and 85°F in La Harpe, IL. Today's high is 98°F with a 4% rain chance. Winds are around 13 mph with gusts near 18 mph. Relative humidity is 64%, pressure is 29.86 inHg, and visibility is about 5 miles.
Sunrise is at 06:10 AM and sunset is at 08:07 PM. Tomorrow's forecast calls for Sunny with a high near 84°F and a low near 71°F. The maximum rain chance is 57%.
