The first wave of a series of potentially severe storms moving through Minnesota over the next three days was ongoing in north-central Minnesota Thursday afternoon.
A severe thunderstorm watch is in effect for much of northern Minnesota until 9 p.m. Thursday. Some storms have already reached severe levels, with reports of damaging winds, large hail and even a radar-indicated tornado near Mahnomen in northwest Minnesota.
The storms are expected to stay in the Fargo-Brainerd-Bemidji-Duluth areas before advancing southeast, maybe clipping the northern suburbs of the metro area before moving into Wisconsin.
Then a second wave of strong to severe storms will advance into northern Minnesota from North Dakota, possibly producing damaging winds and large hail through the overnight hours into Friday morning.
Here's a simulated radar projecting what COULD happen, although this is unlikely to show the exact path and timing of storms.