One product issued by NWS for: Gary IN
Hazardous Weather Outlook
Hazardous Weather Outlook National Weather Service Chicago/Romeoville IL 335 PM CDT Thu Jul 10 2025 ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002- 010-011-019-112045- 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- 335 PM CDT Thu Jul 10 2025 /435 PM EDT Thu Jul 10 2025/ This Hazardous Weather Outlook is for portions of north central Illinois...northeast Illinois and northwest Indiana. .DAY ONE...Tonight. Weather hazards expected... Elevated Thunderstorm Risk...with an associated: Level 1 of 5 Damaging Wind Risk...up to 60 mph. Level 1 of 5 Hail Risk...up to ping pong ball sized. Level 1 of 5 Tornado Risk. Elevated Flooding Risk. DISCUSSION... A few rounds of thunderstorms are expected this afternoon through tonight. Isolated severe storms through this evening will be capable of producing damaging winds, large hail, and a localized tornado threat. Heavy rainfall could result in some areas of flash flooding, particularly in areas that receive multiple rounds of storms. The area of greatest concern for flash flooding through the overnight is roughly near and north of I-80. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Friday and Saturday... Elevated Thunderstorm Risk...with an associated: Level 1 to 2 of 5 Severe Thunderstorm Risk. Limited to Elevated Flooding Risk. Wednesday... Limited Thunderstorm Risk. .SPOTTER INFORMATION STATEMENT... Spotter reports will likely be needed through tonight. GENERAL STORM MOTION OF THE DAY: Moving toward the east northeast at 15 to 30 mph. $$