Extreme Heat Warning: Northern Cook; Central Cook; Southern Cook
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Extreme Heat Warning — Northern Cook; Central Cook; Southern Cook Severity: Severe. Certainty: Likely. * WHAT...Dangerously hot conditions with heat index values around 105 expected each afternoon. * WHERE...Central Cook, Northern Cook, and Southern Cook Counties. * WHEN...Until midnight CDT 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 by Thursday afternoon or evening.
retained text
The historical document was shared with another weather alert and cannot be attributed to this record. The original extract is preserved above; the exact alert link was not retained.