C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX
FLUS43 KLOT 142034
HWOLOT
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
334 PM CDT Wed May 14 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-
334 PM CDT Wed May 14 2025 /434 PM EDT Wed May 14 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
Weather hazards expected...
Limited Thunderstorm Risk.
Elevated Fog Risk.
DISCUSSION...
Isolated thunderstorms are possible through early evening, mainly
inland of Lake Michigan. Severe weather is not expected with this
activity. Additional isolated non severe thunderstorms are
possible late tonight.
Dense fog may develop over Lake Michigan tonight and expand inland
to as far west as the I-90 corridor across northeast Illinois.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Thursday...
Limited Thunderstorm Risk...with an associated:
Level 3 of 5 Severe Thunderstorm Risk.
Elevated Fire Weather Risk.
Friday...
Significant Fire Weather Risk.
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
Tuesday...
Limited Thunderstorm Risk.
DISCUSSION...
Isolated to scattered thunderstorms may develop ahead of a cold
front late Thursday afternoon and shift east-northeast into the
evening. If thunderstorms develop, some will likely become severe
with damaging to destructive hail being the greatest threat.
There may also be a damaging wind threat and a tornado threat
with some storms.
Late Thursday afternoon into the early evening, hot and dry
conditions and gusty southwest winds behind the cold front may
bring a brief period of elevated fire danger for portions of
northern and central Illinois.
On Friday, strong west-southwest winds and very warm and dry
conditions will result in potentially significant fire danger. A
few thunderstorms with the potential for locally damaging winds
cannot be ruled out late afternoon and early evening.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
GENERAL STORM MOTION OF THE DAY:
Nearly stationary to at times variable less than 10 mph.
https://wxn.io/o1t2r
