How dark is the sky in Storm Lake, IA?

Storm Lake's sky measures suburban here. Light dome dominates much of the sky. Only the brightest stars and planets stand out clearly. Only 84.9% of the 3,206 cities measured here read darker than Storm Lake.

Worth remembering: this is satellite radiance, not a ground observation. A true Bortle rating needs a human eye at night, this is the closest large-scale substitute.

How far Storm Lake is from a meaningfully darker sky

The closest place in this dataset with a meaningfully darker sky is Spencer, IA, roughly 35 miles away in a straight line, rated suburban edge. Road distance will be more.

Spencer, IA is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.

Storm Lake against the rest of the dataset

Storm Lake, IA counts roughly 11,627 residents, among the 3,206 US cities this site tracks. Among all 3,206 cities here, Storm Lake ranks 2,707 from darkest to brightest, 1 being the darkest measured.