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Extreme Heat Warning
ActiveWinnebago; Boone; McHenry; Lake; Ogle
Status
In Progress
Started about 3 hours ago
Ends
Issued
Severity
Severe
Urgency
Expected
Certainty
Likely
Details
* WHAT...Dangerously hot conditions with heat index values around 105 expected each afternoon.
* WHERE...Portions of central, east central, north central, and northeast Illinois and northwest Indiana.
* WHEN...Until midnight CDT /1 AM EDT/ Thursday Night.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
* ADDITIONAL DETAILS...Dangerous heat is now expected to persist through Thursday. Thunderstorms may begin to bring some relief from the heat for portions of northern Illinois by Thursday afternoon or evening.
Data from the National Weather Service
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