This Hazardous Weather Outlook is for portions of north central Illinois...northwest Illinois...west central Illinois...east central Iowa...northeast Iowa...southeast Iowa and northeast Missouri. .DAY ONE...TODAY AND TONIGHT Isolated thunderstorms may develop this afternoon and evening, a few of which may be strong and produce locally heavy rainfall. A better chance for more organized and potentially severe storms may occur late tonight into Wednesday morning. The primary threat from these storms will be damaging winds and large hail. These storms will also have the capability to produce heavy rainfall. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY Thunderstorms are forecast to be ongoing Wednesday morning with the potential for multiple rounds of thunderstorms on Wednesday. There is a Slight or level 2 out of 5 risk of severe thunderstorms with the primary threats of damaging winds, large hail, and heavy rainfall that may produce some flash flooding. An active weather pattern is forecast through the remainder of the period with daily chances of showers and thunderstorms. There is Marginal or level 1 risk of severe thunderstorms on Thursday morning if convection is ongoing. The main threats are isolated damaging wind, and large hail. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed tonight, and then again on Wednesday.
***Courtesy of the National Weather Service***