One product issued by NWS for: Pontiac IL
Hazardous Weather Outlook
Hazardous Weather Outlook National Weather Service Chicago/Romeoville IL 220 AM CDT Wed Jul 15 2026 ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002- 010-011-019-160730- 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- 220 AM CDT Wed Jul 15 2026 /320 AM EDT Wed Jul 15 2026/ 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 Excessive Heat Risk. DISCUSSION... Afternoon heat indices will peak around 100 to locally up to 105 degrees this afternoon away from the lake. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Thursday... Limited Thunderstorm Risk. Limited Excessive Heat Risk. Friday... Limited Flooding Risk. Limited Thunderstorm Risk. Saturday... Limited Thunderstorm Risk. Limited Excessive Heat Risk. Monday... Limited Thunderstorm Risk. DISCUSSION... Peak heat indices will be around 100 degrees on Thursday away from the lake. Thunderstorm chances will increase, particularly Friday and again Saturday afternoon and evening, some of which could produce locally heavy rainfall. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be necessary through tonight. $$