Heat Advisory
2026-07-21T19:00:00-05:00

* WHAT...Heat index values between 100 to 105 expected. * WHERE...Portions of southern Illinois, western Kentucky, and southeast Missouri. * WHEN...From noon Saturday to 7 PM CDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Higher humidity levels combined with hot temperatures on Tuesday may cause heat index values to near 110 degrees.

Bayou Creek Near Grahamville, Ky Realtime Data


       

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