FLUS43 KLOT 101700
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
1200 PM CDT Wed May 10 2017
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-
1200 PM CDT Wed May 10 2017 /100 PM EDT Wed May 10 2017/
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
.DAY ONE...This Afternoon and Tonight.
WEATHER HAZARDS EXPECTED:
Significant Thunderstorm Risk...with an associated:
Elevated Thunderstorm Wind Damage Risk...up to 60 MPH.
Elevated Hail Risk...up to half dollar size.
Limited Flooding Risk.
Limited Tornado Risk.
Limited Fog Risk.
DISCUSSION:
Isolated thunderstorms are expected to quickly track across
northern Illinois early this afternoon, which are unlikely to be
severe. More organized storms are expected to develop area wide by
late afternoon or early evening and track eastward through the
evening hours. This is the time window most favored for scattered
severe storms, with locally strong winds, large hail, and
locally heavy rainfall as the main threats. A limited tornado
risk exists with storms near the warm front, which is expected to
be in the general vicinity of Interstate 80 late in the day.
Some storms are likely to linger along and south of Interstate
80 through the overnight hours, potentially bringing an
elevated flooding threat.
In addition...minor flooding will continue along portions of
the Illinois and Kankakee rivers, with additional river rises
possible tonight due to rainfall.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Thursday...
Limited Thunderstorm Risk.
Limited Fog Risk.
Tuesday...
Limited Thunderstorm Risk.
DISCUSSION:
Minor flooding will continue along portions of the Illinois and
Kankakee rivers and possibly other rivers due to rainfall
tonight.
.SPOTTER INFORMATION STATEMENT...
Spotters will likely be needed late afternoon through this evening.
GENERAL STORM MOTION OF THE DAY:
Moving east at 45 MPH.
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