Fergus Falls, MN: how dark is the sky here?
Satellite radiance puts Fergus Falls in the suburban band. Light dome dominates much of the sky. Only the brightest stars and planets stand out clearly. Fergus Falls's sky is brighter than 74% of the 3,206 cities in this dataset.
This comes from a satellite measuring light radiating upward, not a person's eyes on the ground, so it isn't the same as a Bortle class, though the two track each other closely.
Where to go for a darker sky near Fergus Falls
The closest place in this dataset with a meaningfully darker sky is Sartell, MN, roughly 101 miles away in a straight line, rated suburban edge. Road distance will be more.
Sartell, MN is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
How Fergus Falls compares nationally
Fergus Falls, MN has a population of about 14,258, one of 3,206 US cities of 10,000 or more residents in this dataset. Fergus Falls places 2,360 of 3,206 cities in this dataset's darkest-to-brightest order.