C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 071617
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
1117 AM CDT Thu Aug 7 2025
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-
1117 AM CDT Thu Aug 7 2025 /1217 PM EDT Thu Aug 7 2025/
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...
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Damaging Wind Risk...up to 60 mph.
Level 1 of 5 Large Hail Risk...up to quarter size.
Limited Flooding Risk.
DISCUSSION...
There is a slight chance of thunderstorms this afternoon into
early this evening with a somewhat greater potential for storms
later this evening and overnight. Any storms that develop will be
capable of gusty to locally damaging winds and torrential rainfall
leading to localized flooding.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
Friday Morning...
Limited Thunderstorm Risk.
Friday and Saturday...
Limited Excessive Heat Risk.
Saturday night through Tuesday...
Limited Thunderstorm Risk.
DISCUSSION...
Hot and humid conditions are expected Friday and Saturday with
peak afternoon heat indices up to around 100 likely.
Additional periods of thunderstorms are possible Saturday night
through early next week.
.SPOTTER INFORMATION STATEMENT...
Spotters may be needed this afternoon and evening.
GENERAL STORM MOTION OF THE DAY:
Moving toward the east southeast around 20 mph.
https://wxn.io/i932h
