Hazardous Weather Outlook
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
854 FLUS43 KLOT 012040 HWOLOT Hazardous Weather Outlook National Weather Service Chicago/Romeoville IL 340 PM CDT Mon Jul 1 2024 ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002- 010-011-019-022045- 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- 340 PM CDT Mon Jul 1 2024 /440 PM EDT Mon Jul 1 2024/ 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. High swim risk developing late Lake County IL shores DISCUSSION... There is a slight chance for thunderstorms tonight. Primary threats are small hail and some wind gusts under 40 mph. Large waves and strong currents will result in dangerous swim conditions at Lake County Illinois beaches by early tomorrow morning. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Tuesday... High swim risk Lake County IL shores. Limited Flooding Risk. Limited Thunderstorm Risk...with an associated: Level 1 of 5 Severe Thunderstorm Risk. Wednesday... Limited Flooding Risk. Limited Thunderstorm Risk...with an associated: Level 1 of 5 Severe Thunderstorm Risk mainly south of US-24. Thursday through Sunday... Limited Thunderstorm Risk at times. DISCUSSION... A cold front Tuesday night will bring showers and storms to the area through Wednesday morning. Storms will be in a weakening phase as they reach the western portion of the CWA although some storms may still be strong to severe. The main hazards are hail, strong winds, and localized flooding. Another threat for strong to severe storms exists Wednesday afternoon as a warm front lifts into the southern portion of the area. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be necessary through tonight. GENERAL STORM MOTION OF THE DAY: Moving toward the ENE at 20 mph. $$ LMZ740>745-022045- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 340 PM CDT Mon Jul 1 2024 This Hazardous Weather Outlook is for portions of the Illinois nearshore waters of Lake Michigan and the Indiana nearshore waters of Lake Michigan. .DAY ONE...Tonight. Weather hazards expected... Hazardous conditions for small craft developing north of Chicago late. Limited Thunderstorm Risk. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Tuesday... Hazardous conditions for small craft are likely north of Chicago. Limited Thunderstorm Risk. Wednesday through Sunday... Limited Thunderstorm Risk at times. $$ Carothers Visit us at www.weather.gov/chicago Follow us on Facebook, Twitter, and Youtube at: www.facebook.com/nwschicago www.twitter.com/nwschicago www.youtube.com/nwschicago