C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 191703
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
1203 PM CDT Thu Jun 19 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-
1203 PM CDT Thu Jun 19 2025 /103 PM EDT Thu Jun 19 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.
DISCUSSION...
There is a slight chance (around 15%) for an isolated
thunderstorms over northeast Illinois and northwest Indiana this
afternoon, mainly east of a Crystal Lake to Kankakee and
Lafayette line.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
Friday...
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
Saturday and Sunday...
Elevated Excessive Heat Risk.
Monday...
Limited Thunderstorm Risk.
Elevated Excessive Heat Risk.
Tuesday and Wednesday...
Limited Thunderstorm Risk.
Limited Excessive Heat Risk.
DISCUSSION...
There is a chance (30-40%) that a thunderstorm complex could move
into northern Illinois from the northwest Friday morning. Though
these storms would likely be in a weakening phase, they may still
be able to produce damaging wind gusts.
Hot and humid weather will develop this weekend into early next
week. Peak afternoon heat indices at or above 100 degrees are
expected for several days.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
GENERAL STORM MOTION OF THE DAY:
Moving toward the southeast at 35 mph.
https://wxn.io/5iycm
