817
FLUS43 KLOT 260834
HWOLOT

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
334 AM CDT Sat Apr 26 2025

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-270900-
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 AM CDT Sat Apr 26 2025 /434 AM EDT Sat Apr 26 2025/

This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.

.DAY ONE...Today and Tonight.

Weather hazards expected...

  Limited Frost Risk Tonight.

DISCUSSION...

Light winds and low cloud cover will allow temperatures to fall
into the 30s late tonight. This may foster some patchy frost
outside of the Chicago urban heat island after midnight tonight.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Monday Night...
  Limited Thunderstorm Risk...with an associated:
     Level 3 of 5 Severe Thunderstorm Risk.
Tuesday...
  Limited Thunderstorm Risk, mainly southeast of Interstate 55.

DISCUSSION...

There is a potential for strong to severe thunderstorms Monday
night into Tuesday as a cold front crosses the region.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation will not be necessary through tonight.

$$

LMZ740>745-270900-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
334 AM CDT Sat Apr 26 2025

This Hazardous Weather Outlook is for portions of the Illinois
nearshore waters of Lake Michigan and the Indiana nearshore
waters of Lake Michigan.

.DAY ONE...Today and Tonight.

Weather hazards expected...

  Hazardous conditions for small craft.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Monday...
  Hazardous conditions for small craft are likely.
  Limited Thunderstorm Risk...with an associated:
     Level 2 of 5 Severe Thunderstorm Risk.
Tuesday...
  Hazardous conditions for small craft are likely.

$$

KJB

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