Idk man, models aren’t backing down at all, and with climate change in the mix, it wouldn’t take much to get a prolonged heatwave, perhaps similar to what Europe has been dealing with lately. We’re also kind of due for an extreme heat event, considering it’s been surprisingly many years since we’ve had one in our region.

I'll believe that when I see it, at least for Chicago. The longest 90+ streak on record is 11 days, which has happened 4 times (curiously, all in the 1950s). Very difficult to get a double digit streak of 90s (and 100s thrown in for good measure)... usually something comes along and screws it up, whether it's a lake breeze coming too early, convection sneaking in or whatever.

Finally a decent AI run, closer to what GFS has been showing around the holiday.

Fooking goofer.

Detroit, Chicago, Newark, and DC. This could end up being a historic heatwave. The models keep trending hotter and strengthening the ridge, so there may be little to no local relief from ROF convection. Going to be brutal.