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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
351 AM CDT Sun May 27 2018

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
280900-
Winnebago-Boone-McHenry-Lake Illinois-Ogle-Lee-De Kalb-Kane-
DuPage-Cook-La Salle-Kendall-Grundy-Will-Kankakee-Livingston-
Iroquois-Ford-Lake Indiana-Porter-Newton-Jasper-Benton-
351 AM CDT Sun May 27 2018 /451 AM EDT Sun May 27 2018/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR North Central Illinois...
Northeast Illinois AND Northwest Indiana.

.DAY ONE...Today and Tonight.

WEATHER HAZARDS EXPECTED:
  Limited Thunderstorm Risk.
  Limited Excessive Heat Risk.

DISCUSSION:

Early season heat will result in maximum heat index values in the
mid to upper 90s today. Isolated thunderstorms are possible west
of a McHenry to Pontiac, Illinois this afternoon. Severe storms
are not expected.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Monday...
  Limited Excessive Heat Risk.
Wednesday through Saturday...
  Limited Thunderstorm Risk.

DISCUSSION:

Maximum heat index values are forecast to once again be in the
mid to upper 90s Memorial Day Monday away from the lake.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be necessary through tonight.

GENERAL STORM MOTION OF THE DAY:

Moving from the northwest to southeast at 20 MPH.

&&

$$



Air Quality Alert

ILZ005-006-012>014-020>022-281645-
McHenry-Lake IL-Kane-DuPage-Cook-Kendall-Grundy-Will-
Including the cities of Woodstock, Waukegan, Aurora, Elgin, Wheaton,
Chicago, Oswego, Morris, and Joliet
1137 AM CDT Sun May 27 2018

...AIR QUALITY ALERT IN EFFECT UNTIL MIDNIGHT CDT TUESDAY NIGHT...

The Illinois Environmental Protection Agency has determined that an
air pollution action day will be declared for the greater Chicago
Metropolitan Area and is in effect until midnight CDT Tuesday night.

An air pollution action day is declared when weather conditions are
such that widespread ozone and or particulate levels are expected to
be at or above the unhealthy for sensitive groups category of the
air quality index.

Active children and adults especially people with pulmonary or
respiratory disease such as asthma should limit prolonged outdoor
activity.

Area residents are urged to reduce pollution levels. Air quality
forecasts and tips on how you can reduce your emissions can be found
at www.airnow.gov.

media contact...217 558 1536.

$$




U.S. Dept. of Commerce
NOAA National Weather Service
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Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: May 16, 2007
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