Ottawa, Illinois Weather Warnings

Issue Date: 951 PM CDT Wed Jul 15 2020
Expiration: 0300 GMT 17 2020
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. DISCUSSION... Isolated thunderstorms will be possible tonight. Severe weather is not expected. Gusty northeast winds may allow waves to build tonight creating dangerous swimming conditions for Lake Michigan beaches. .DAYS TWO THROUGH SEVEN...Thursday through Monday. Friday... Limited Excessive Heat Risk. Saturday... Limited Thunderstorm Risk. Significant Excessive Heat Risk. Sunday... Limited Thunderstorm Risk. Elevated Excessive Heat Risk. Monday and Tuesday... Limited Thunderstorm Risk. DISCUSSION: Dangerous heat with peak heat indices of near or over 105 degrees is likely on Saturday and possible on Sunday. In addition, there will be periodic chances for thunderstorms, especially late Saturday night into next week. The thunderstorm threat could include a strong to severe thunderstorm and flooding risk at times Saturday night into early next week. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be necessary through tonight. GENERAL STORM MOTION OF THE DAY: Moving toward east northeast at 30 mph.