National Weather Service United States Department of Commerce

Tropical Depression in the Gulf; Severe Thunderstorms Monday

Tropical Depression Two is expected to gradually strengthen and could bring tropical storm conditions to the Florida Panhandle beginning late Monday. Areas of flash flooding will be possible through Thursday along the eastern and central Gulf Coast. Severe thunderstorms will develop and move along a cold front crossing the Upper Midwest Monday, and through the Ohio Valley/Mid-Atlantic on Tuesday. Read More >

The States of Iowa and Illinois have issued air quality alerts through tonight due to the wildfire smoke. Minimize outdoor activities, especially for those in sensitive groups!
A line of storms will impact much of eastern Iowa and northwest Illinois Monday afternoon into overnight. Damaging winds with localized significant gusts (>75 mph) are the primary threat and isolated tornadoes are possible. Timing of the greatest severe threat remains uncertain at this time. Make sure you are prepared for severe thunderstorms overnight!
Hot and humid conditions intensify on Monday, with heat indices peaking between 90 and 105 degrees in the afternoon. A Heat Advisory is in effect Monday afternoon and evening for parts of west-central Illinois, northeast Missouri, and southeast to east-central Iowa. There is some uncertainty in heat indices north of Interstate 80 due to chances for morning thunderstorms. Remember to take breaks if you are outside!
The forecast for severe storms continues for Monday and Monday evening. Today is the day before the storm, and a great time to adjust plans, verify your storm shelter, and make sure your phone receives WEA alerts.