C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 171709
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
1209 PM CDT Thu Apr 17 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-
1209 PM CDT Thu Apr 17 2025 /109 PM EDT Thu Apr 17 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 Large Hail Risk...up to quarter size.
DISCUSSION...
A band of showers and possible thunderstorms is expected to shift
eastward across the area this afternoon and evening. Severe
weather is not expected with this activity. An additional period
of thunderstorms is possible overnight across far northern
Illinois, mainly along and north of I-88. Any thunderstorms
overnight could produce isolated instances of large hail.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
Friday...
Elevated Thunderstorm Risk...with an associated:
Level 2 of 5 Severe Thunderstorm Risk.
Sunday...
Limited Thunderstorm Risk.
DISCUSSION...
Severe thunderstorms with large hail and damaging wind are
possible along a cold front late Friday afternoon and evening,
especially for areas southeast of I-55.
.SPOTTER INFORMATION STATEMENT...
Spotter reports of any hail tonight are appreciated.
GENERAL STORM MOTION OF THE DAY:
Moving toward the east northeast at 30 mph this afternoon and evening,
and east at 50 mph overnight.
https://wxn.io/ojilb
