Tue Jun 18 05:03:48 EDT 2024 Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson- Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson- Henry IA-Des Moines-Van Buren-Lee-Jo Daviess-Stephenson-Carroll- Whiteside-Rock Island-Henry IL-Bureau-Putnam-Mercer-Henderson- Warren-Hancock-McDonough-Scotland-Clark- 403 AM CDT Tue Jun 18 2024 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 A Heat Advisory is in effect for the entire outlook area through 8 pm this evening. Heat indicies of 95 to around 100 are expected. Tonight, scattered thunderstorms will push into the northwest half of the outlook area after midnight, northwest of a Freeport, Illinois to Memphis, Missouri line. Gusty winds and heavy rainfall are possible with any stronger storm. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY Wednesday, the Storm Prediction Center has a Marginal Risk (Level 1 of 5) for portions of eastern Iowa and northwest Illinois. Isolated strong gusty winds and lightning are the main threats. Periodic rounds of showers and thunderstorms are possible through the weekend. It is too early to determine the severe potential or rain amounts. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed today and tonight. GENERAL STORM MOTION OF THE DAY: Toward the northeast at 25 to 30 mph.