Weather Alert Watch
Severe Extreme Heat Warning

Extreme Heat Warning for Northern Cook; Central Cook; Southern Cook

What: Dangerously hot conditions with peak afternoon heat index values of 100 to 110 degrees expected. Impacts: Heat related illnesses increase during heat waves. Where: Central Cook, Northern Cook, and Southern Cook Counties. When: Until midnight CDT...

ILNorthern Cook; Central Cook; Southern Cook

Official alert brief

WHAT

Dangerously hot conditions with peak afternoon heat index values of 100 to 110 degrees expected.

WHERE

Central Cook, Northern Cook, and Southern Cook Counties.

WHEN

Until midnight CDT Thursday Night.

IMPACTS

Heat related illnesses increase during heat waves.

ADDITIONAL DETAILS

Stifling heat will continue through the evening with heat indices remaining above 90 degrees through midnight.

Instructions

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. The magnitude of anticipated heat, combined with oppressive warmth at night will lead to hazardous conditions, particularly for the elderly and those with pre-existing health conditions. Residents of the city of Chicago can call 3 1 1 to request well being checks for elderly friends or family members, or for information on finding the nearest cooling center. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.