FLUS43 KLOT 281841
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
141 PM CDT Fri Jul 28 2023
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
141 PM CDT Fri Jul 28 2023 /241 PM EDT Fri Jul 28 2023/
This Hazardous Weather Outlook is for portions of North Central
Illinois...Northeast Illinois and Northwest Indiana.
.DAY ONE...This Afternoon and Tonight.
Weather hazards expected...
Significant Thunderstorm Risk...with an associated:
Elevated Damaging Wind Risk...up to 70 mph.
Limited Hail Risk...up to half dollar size.
Limited Tornado Risk.
Elevated Flooding Risk.
Significant Excessive Heat Risk.
DISCUSSION...
Dangerous heat is expected through this afternoon away from the
Illinois shore of Lake Michigan with peak indices generally
between 100 and 110 degrees, and locally up to 115 degrees well
inland.
Thunderstorms are expected to develop along a cold front late
this afternoon through tonight. Some of these thunderstorms are
expected to be severe late this afternoon through this evening,
capable of producing damaging to locally destructive winds and
large hail. A brief tornado or two is also possible. In addition,
some of the storms will produce torrential rainfall which could
lead to flash flooding.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
Saturday...
Limited Thunderstorm Risk south of the Kankakee River.
High Swim Risk Lake Michigan Shore.
Tuesday through Thursday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotters may be needed late this afternoon and this evening.
GENERAL STORM MOTION OF THE DAY:
Moving toward the east or southeast around 30 mph.
https://wxn.io/y2hoo
