FLUS43 KLOT 031739
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
1239 PM CDT Wed Aug 3 2022
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-
1239 PM CDT Wed Aug 3 2022 /139 PM EDT Wed Aug 3 2022/
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:
Limited damaging wind risk...up to up to 70 mph.
Limited hail risk...up to nickel size.
Elevated Flooding Risk.
Elevated Excessive Heat Risk.
DISCUSSION...
Thunderstorms will develop through the early to mid afternoon
from the Chicago metro southwest to near the I-55 corridor in
central Illinois. The storms will then spread south and east
through the evening. Some storms could become severe, especially
south and east of a La Salle to Waukegan line. The main severe
threat through about 8 PM is expected to be damaging wind
gusts capable of downing tree limbs and fences. In addition,
storms will produce torrential rainfall which may cause flooding
of low-lying areas. A more noteworthy flash flooding threat may
then unfold this evening near and south of US-24.
Heat index values of 105 to 110 degrees from central Illinois
into northwest Indiana will occur through this afternoon ahead of
the expected thunderstorms.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Thursday...
Limited Flooding Risk.
Limited Thunderstorm Risk.
High Swim Risk.
Friday...
Limited Thunderstorm Risk.
Saturday and Sunday...
Limited Thunderstorm Risk.
Limited Excessive Heat Risk.
Monday...
Limited Thunderstorm Risk.
DISCUSSION:
Additional scattered thunderstorms are expected on Thursday. The
strongest storms will be capable of producing brief torrential
rainfall and strong and gusty winds.
Building wave action will result in dangerous currents and
potentially life threatening swimming conditions at Lake Michigan
beaches late Thursday morning through Thursday night.
.SPOTTER INFORMATION STATEMENT...
Spotters may be needed this afternoon and early evening.
GENERAL STORM MOTION OF THE DAY:
Moving toward the east at 35 to 40 mph.
https://wxn.io/xulfo
