Updated 2026-08-11 11:15 local time · ZIP codes 61471
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.
79°4% rain91°4% rain93°3% rain95°2% rain96°2% rain97°1% rain95°1% rain93°2% rain89°3% rain86°4% rain
83°4% rain81°5% rain
Rain chance stays relatively low over the next 12 hours (up to 5%).
It feels like 81°F with winds near 7 mph.
79°F, 4% rain chance and 7 mph wind.
Visibility is around 10 mi; gusts may reach 17 mph.
Current temperature is 79°F, wind 7 mph, rain chance up to 5%.
UV index is 4. Sunscreen and sunglasses are sensible for longer outdoor time.
Sunny and 79°F in Raritan, IL. Today's high is 97°F with a 6% rain chance. Winds are around 7 mph with gusts near 12 mph. Relative humidity is 89%, pressure is 29.92 inHg, and visibility is about 10 miles.
Sunrise is at 06:09 AM and sunset is at 08:07 PM. Tomorrow's forecast calls for Sunny with a high near 84°F and a low near 72°F. The maximum rain chance is 44%.
