Mesoscale update as of 3:08 pm EDT 6/11/26 - Chief Meteorologist Joel Fritsma
Area number one that we've been watching all day is our early batch of showers and storms that would be our placeholder for deterring severe weather later tonight. Trends continue to show this area of showers and storms moving into western Michigan by 4-5 pm EDT but decaying to just mixed clouds. It may be enough to steal some storm fuel, but rapid atmospheric recovery is happening in tow. For once Lake Michigan being the storm shredder for this first line is not good.
Now you may be asking yourself, why is Lake Michigan not going to deter the squall line later? Well, the atmosphere later today is more synoptically supportive for severe weather, meaning that the entire troposphere is helping drive this second line. Because of the support through all levels of the atmosphere, the driving forces are able to carry and sustain severe weather across the lake that our first batch didn't have. Our jet stream at the mid-levels of the atmosphere is moving into our second area circled in magenta, pulling moisture and storm fuel rapidly north, while also increasing wind shear along the way. A tornado watch has been issued up to Chicago, as 60-80 mph winds, numerous strong tornadoes, and hail 1-2" are expected out to our west. With time, that same area of interest will move into west Michigan as early as 9 pm EDT 6/11/26. The lead hazard in the Lower Peninsula with time will be 60-80 mph winds, and spin-up tornadoes as a close second.
We plan to have a full timing map out here in and hour or so. Stay tuned for updates here at Michigan Storm Chasers, your trusted source for all things weather in the state of Michigan. We will be live during all severe and tornado warnings tonight.