One product issued by NWS for: 3 Miles SSE Davis Junction IL
Hazardous Weather Outlook
Hazardous Weather Outlook National Weather Service Chicago/Romeoville IL 1042 AM CDT Tue Jul 15 2025 ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002- 010-011-019-161545- 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- 1042 AM CDT Tue Jul 15 2025 /1142 AM EDT Tue Jul 15 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 Thunderstorm Risk south of I-80. DISCUSSION... Isolated thunderstorms are possible this afternoon into this evening, mainly south of I-80. No severe weather is expected. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Wednesday... Elevated Thunderstorm Risk...with an associated: Level 2 of 5 Severe Thunderstorm Risk. Elevated Flooding Risk. Limited Excessive Heat Risk. Thursday... High Swim Risk. Limited Flooding Risk south of I-80. Limited Thunderstorm Risk south of I-80. Friday... High Swim Risk. Saturday... Elevated Flooding Risk. Limited Thunderstorm Risk. Sunday and Monday... Limited Thunderstorm Risk. DISCUSSION... Peak heat indices Wednesday afternoon are expected to be around 100 degrees. Thunderstorms are likely Wednesday afternoon into Wednesday evening, mainly across northern Illinois. There is the threat that some of the storms could become severe, posing a risk of damaging winds. In addition, thunderstorms will be capable of producing torrential downpours which could lead localized flash flooding. There will be periodic bouts of showers and thunderstorms Saturday through Monday. Any one of which could produce very heavy rainfall and flooding. High waves will cause dangerous swimming conditions at Lake Michigan beaches Thursday through Friday. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be necessary through tonight. GENERAL STORM MOTION OF THE DAY: Moving toward the northwest around 20 mph. $$