Updated 2026-08-11 12:00 local time · ZIP codes 62951
Sunny
* WHAT...Dangerously hot conditions with peak heat index values up to 113 degrees. * WHERE...Perry IL County. * WHEN...Until 8 PM CDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Daily heat index values will remain elevated in the triple digits through next weekend.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
* WHAT...Dangerously hot conditions with peak heat index values up to around 113 degrees. * WHERE...Perry County Illinois. * WHEN...Until 8 PM CDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Daily heat index values will remain elevated in the triple digits into and through the weekend.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
88°3% rain97°3% rain98°2% rain98°2% rain97°2% rain96°1% rain93°2% rain89°2% rain
84°4% rain83°4% rain82°4% rain81°6% rain
Rain chance stays relatively low over the next 12 hours (up to 6%).
It feels like 96°F with winds near 14 mph.
84°F, 4% rain chance and 9 mph wind.
Visibility is around 10 mi; gusts may reach 22 mph.
Current temperature is 88°F, wind 14 mph, rain chance up to 6%.
UV index is 8. Sunscreen, shade and protective clothing are recommended.
Sunny and 88°F in Johnston City, IL. Today's high is 98°F with a 5% rain chance. Winds are around 14 mph with gusts near 16 mph. Relative humidity is 66%, pressure is 30.03 inHg, and visibility is about 10 miles.
Sunrise is at 06:07 AM and sunset is at 07:54 PM. Tomorrow's forecast calls for Sunny with a high near 102°F and a low near 76°F. The maximum rain chance is 36%.
