C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 181729
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
1229 PM CDT Fri Apr 18 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-
1229 PM CDT Fri Apr 18 2025 /129 PM EDT Fri Apr 18 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...
Elevated Thunderstorm Risk...with an associated:
Level 2 of 5 Large Hail Risk...up to 2 inches in diameter.
Level 2 of 5 Damaging Wind Risk...up to 60 mph.
Level 1 of 5 Tornado Risk.
Limited Non-Thunderstorm Wind Risk.
DISCUSSION...
Southwest winds will gust to 35 to 40 mph through early this
evening.
Scattered thunderstorms are expected to develop this evening,
primarily along and southeast of a line from near LaSalle Peru to
Chicago. Some of the storms could be severe with large hail,
possibly up to 2 inches in diameter, the greatest threat. There is
also the potential for locally damaging winds and perhaps a
tornado, especially if thunderstorms become more widespread and
are able to organize into a line.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
Sunday...
Limited Thunderstorm Risk.
Tuesday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotters may be needed between 5 pm and midnight.
GENERAL STORM MOTION OF THE DAY:
Moving toward the east-northeast at 45 mph.
https://wxn.io/i49v8
