06/11/2026
Here is our official timing map for tonight's squall line, set to impact the Lower Peninsula, June 11th, 2026, capable of damaging winds, and isolated instances of hail and embedded tornadoes.
We continue to monitor the area off to our southwest as a squall line continues to develop in Iowa and Illinois, moving northeast. Our margin of error on the squall line timing is 90 minutes, but we are going with before 9:30 pm EDT for our western-most counties, then 9-10 pm into the Grand Rapids, Cadillac, and Kalamazoo corridor. 10-11 pm EDT for Coldwater, to Lansing, to Grayling, and Cheboygan, 11 pm to 12 am EDT over to Jackson, Saginaw, and Alpena, then after midnight (if it can stay together) for the thumb and southeastern Michigan.
A friendly reminder to memorize where you are on a map prior to tonight's severe weather coverage. We cannot answer hundreds of questions about specific locations while tracking storms live.
Additional pop-up storms are possible ahead of the main line, and a wake low may be possible for southwestern Michigan prior to 9 pm EDT. We are monitoring closely, but our main concern remains the stuff back further to the west. As always, tune into our live severe weather coverage as soon as the first warning is issued tonight. You can find our coverage on YouTube, Facebook, Twitch TV, X, and TikTok at "mistormchasers".
- Chief Meteorologist Joel Fritsma, 4:28 pm EDT, 6/11/26
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