Extreme Heat Warning

URGENT - WEATHER MESSAGE
National Weather Service Chicago IL
950 AM CDT Fri Jun 20 2025

ILZ103>105-210100-
/O.CON.KLOT.XH.W.0001.250621T1500Z-250624T0500Z/
Northern Cook-Central Cook-Southern Cook-
Including the cities of Park Forest, Orland Park, Oak Lawn, La
Grange, Schaumburg, Chicago, Calumet City, Palatine, Oak Forest,
Northbrook, Des Plaines, Evanston, Lemont, Cicero, and Oak Park
950 AM CDT Fri Jun 20 2025

...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM SATURDAY TO
MIDNIGHT CDT MONDAY NIGHT...

* WHAT...Dangerously hot and humid conditions with high temperatures
  each day well into the 90s and peak afternoon heat index values of
  100 to 105 degrees expected.

* WHERE...Central Cook, Northern Cook, and Southern Cook Counties.

* WHEN...From 10 AM Saturday to midnight CDT Monday Night.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat and high humidity events. 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.

* ADDITIONAL DETAILS...Heat indices will likely remain in the 90s
  late into the evening hours with overnight lows possibly
  struggling to fall much below 80 degrees.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
941 AM CDT Fri Jun 20 2025

WIZ066-071-072-202245-
/O.CON.KMKX.XH.W.0001.250621T1700Z-250624T0000Z/
Milwaukee-Racine-Kenosha-
Including the cities of Racine, Kenosha, and Milwaukee
941 AM CDT Fri Jun 20 2025

...EXTREME HEAT WARNING REMAINS IN EFFECT FROM NOON SATURDAY TO 7 PM
CDT MONDAY...

* WHAT...Dangerously hot conditions with heat index values up to 105
  expected. Heat indices will also stay at 75 degrees or above
  Sunday and Monday morning.

* WHERE...Kenosha, Milwaukee, and Racine Counties.

* WHEN...From noon Saturday to 7 PM CDT Monday.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat and high humidity events.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

&&

$$