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Heat Advisory

Active

Madison; St. Clair; Monroe; St. Charles; St. Louis

Status In Progress Started 41 minutes ago

Ends Sep 4, 8:00 PM CDT

Issued Aug 31, 2:29 PM CDT

Severity Moderate

Urgency Expected

Certainty Likely

Details

* WHAT...Heat index values up to 108.

* WHERE...In Illinois, Madison IL, Monroe IL, and Saint Clair IL Counties. In Missouri, Jefferson MO, Saint Charles MO, Saint Louis City MO, and Saint Louis MO Counties.

* WHEN...Until 8 PM CDT Friday.

* IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

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Data from the National Weather Service

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