Tuesday, July 30, 2024

Hazardous Weather Outlook for McHenry Co., IL

C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX

FLUS43 KLOT 300907
HWOLOT

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
407 AM CDT Tue Jul 30 2024


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-
407 AM CDT Tue Jul 30 2024 /507 AM EDT Tue Jul 30 2024/

This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.

.DAY ONE...Today and Tonight.

Weather hazards expected...

Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Tornado Risk.
Level 2 of 5 Damaging Wind Risk...up to 70 mph.
Level 2 of 5 Large Hail Risk...up to quarter size.
Level 1 of 4 Flooding Risk.

DISCUSSION...

Scattered thunderstorms are possible this afternoon mainly
southwest of a Belvidere to Joliet to Watseka line. All severe
weather threats are possible. Heavy rain and localized flooding
will also be possible.

Additional thunderstorms are expected overnight into early
Wednesday morning. Damaging winds, large hail and very heavy
rain that may caused flash flooding are all possible late
tonight.

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

Wednesday...
Elevated Flooding Risk.
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
Limited Excessive Heat Risk.
Thursday...
Limited Flooding Risk.
Limited Thunderstorm Risk...with an associated:
Level 2 of 5 Severe Thunderstorm Risk.
Limited Excessive Heat Risk.
Friday...
Limited Thunderstorm Risk.
Monday...
Limited Thunderstorm Risk.

DISCUSSION...

Periodic chances for thunderstorms will continue through Friday
afternoon. There appears to be the potential for another round
of thunderstorms capable of heavy rain and localized flooding
late Wednesday night into Thursday morning and then a possible
period of strong to severe thunderstorms Thursday afternoon.

Heat indices may locally exceed 100 degrees Wednesday and
Thursday afternoons, mainly south of Interstate 80.

.SPOTTER INFORMATION STATEMENT...

Spotters may be needed this afternoon.

GENERAL STORM MOTION OF THE DAY:

Moving toward the southeast at 30 to 40 mph.


https://wxn.io/sujd6