Headline:
Heat Advisory issued September 3 at 10:14AM CDT until September 3 at 9:00PM CDT by NWS Chicago IL
Event:
Heat Advisory
Urgency:
Expected
Effective:
September 3, 2026 - 8:14am
Expires:
September 3, 2026 - 6:15pm
Description:
* WHAT...Heat index values of 100 to 105 expected. This is the third
day in a row with forecast or observed heat indices above 100
degrees.
* WHERE...Portions of northern and central Illinois near and south of
I-80, as well as all of northwest Indiana.
* WHEN...Until 9 PM CDT /10 PM EDT/ this evening.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses especially after several days of dangerous heat.
* ADDITIONAL DETAILS...A cold front possibly accompanied by
thunderstorms will move inland from Lake Michigan this evening
leading to rapidly improving conditions.
Instruction:
Consider altering outdoor plans. If outdoors for prolonged periods of
time, wear lightweight and loose fitting clothing. Take action when
you see symptoms of heat exhaustion and heat stroke.
Area Description:
Lee; La Salle; Kendall; Grundy; Kankakee; Livingston; Iroquois; Ford; Northern Will; Southern Will; Eastern Will; Lake; Porter; Newton; Jasper; Benton
Forcast Office:
NWS Chicago IL
Sender:
w-nws.webmaster@noaa.gov