Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >
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| 877 FLUS43 KLOT 150848 HWOLOT Hazardous Weather Outlook National Weather Service Chicago/Romeoville IL 348 AM CDT Sun Jun 15 2025 ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002- 010-011-019-160900- 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- 348 AM CDT Sun Jun 15 2025 /448 AM EDT Sun Jun 15 2025/ This Hazardous Weather Outlook is for portions of north central Illinois...northeast Illinois and northwest Indiana. .DAY ONE...Today and Tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Tuesday... Elevated Thunderstorm Risk...with an associated: Level 1 of 5 Severe Thunderstorm Risk. Wednesday... Elevated Thunderstorm Risk...with an associated: Level 2 of 5 Severe Thunderstorm Risk. Limited Flooding Risk. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be necessary through tonight. $$ LMZ740>745-160900- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 348 AM CDT Sun Jun 15 2025 This Hazardous Weather Outlook is for portions of the Illinois nearshore waters of Lake Michigan and the Indiana nearshore waters of Lake Michigan. .DAY ONE...Today and Tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Tuesday... Elevated Thunderstorm Risk...with an associated: Level 1 of 5 Severe Thunderstorm Risk for the Illinois waters. Wednesday... Elevated Thunderstorm Risk...with an associated: Level 2 of 5 Severe Thunderstorm Risk. Friday... Limited Thunderstorm Risk. $$ DK Visit us at www.weather.gov/chicago |
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