NWS / NOAA weather: Extreme Heat Warning issued June 30 at 1:51AM CDT until July 3 at 12:00AM CDT by NWS Chicago IL

* 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.

Source: NWS / NOAA weather.