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Extreme Heat Warning
ActiveWinnebago; Boone; McHenry; Lake; Ogle
Status
In Progress
Started about 2 hours ago
Ends
Issued
Severity
Severe
Urgency
Expected
Certainty
Likely
Details
* WHAT...Dangerously hot conditions with peak afternoon heat index values of 100 to 110 degrees.
* WHERE...Northern and central Illinois and northwest Indiana.
* WHEN...Until midnight CDT Thursday Night.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
Data from the National Weather Service
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