Another point though: A lot of rural Minnesota is vote by mail only and was well before Covid, and though this is more of a northern Minnesota thing (you can probably see the results in places like Cass and Itasca), it's still a thing in a lot of southern Minnesota townships too, so this could show lagging rural turnout...but we'll see. Cottonwood County for example has laughably low turnout, but it also looks like even the rural townships there just vote in the same location as the closest town.
It's this. MN-01 is where I grew up, and my dad lives in a vote-by-mail township. He's not in Blue Earth county, but his neighbors, who also vote by mail, are. I'm sure that there are Mankato students getting their votes in, too, so those two things combined would do it.
Also, according to local news, Ettinger tested positive for COVID and won't be able to do in-person events this week before the election.
