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Extreme Heat Warning

Active

Buchanan; Delaware; Dubuque; Benton; Linn

Status In Progress Started about 1 hour ago
Ends
Issued
Severity Severe
Urgency Expected
Certainty Likely

Details

* WHAT...Dangerously hot and humid conditions with multiple days of heat index values of 100 to 110 expected, along with nighttime lows not falling below the mid to upper 70s.
* WHERE...In Illinois, Carroll, Jo Daviess, and Stephenson Counties. In Iowa, Benton, Jackson, Jones, Linn, Buchanan, Delaware, and Dubuque Counties.
* WHEN...Until 10 PM CDT Wednesday.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
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Data from the National Weather Service
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