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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
435 AM CDT Tue Jul 25 2017

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
260945-
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-
435 AM CDT Tue Jul 25 2017 /535 AM EDT Tue Jul 25 2017/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.

.DAY ONE...Today and Tonight.

Flooding continues along many area rivers.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Wednesday...
  Elevated Flooding Risk.
  Elevated Severe Thunderstorm Risk.
Thursday...
  Limited Severe Thunderstorm Risk.
  High Swim Risk.

DISCUSSION:

Warm and very humid air will return Wednesday and Wednesday
night ahead of an approaching cold front. Thunderstorms are
expected to develop across the area as early as Wednesday
evening, and continue into Thursday as the cold front moves
across the area. Some storms could be strong to severe with
large hail and damaging wind gusts Wednesday night, with
a more isolated severe storm potential mainly east of I-55
across eastern Illinois and northwest Indiana Thursday.
The potential for heavy rainfall exists especially Wednesday
night, particularly over the southern half of the outlook area.

Flooding will continue on many area rivers and new rises are
possible if heavy rain occurs Wednesday night.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be necessary through tonight.

&&

$$



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