Aurora Borealis in Superior
United States · 46.72°, -92.10° · geomagnetic 55.4° · needs Kp 7
Tonight's aurora forecast for Superior
5%
Peak chance of a visible display tonight, from the same model the Revon app runs. Superior needs Kp 7 to see anything at all, and tonight the forecast peaks at Kp 4.7. Short of the threshold, which is what most nights look like here.
Get the full 30-night forecast in Revon
Updated 2026-09-08 10:36 UTC
Local aurora guide for Superior
Aurora activity is measured by the Kp index. A Kp of 7 is the minimum threshold for aurora to be visible in Superior.
At 55.4° geomagnetic latitude, Superior has an average of 3.2 nights per year with aurora potential.
The record span for this data is from April 2, 2016, to March 30, 2026.
The best months for aurora viewing in Superior are May, September, and August.
These months offer the best overlap between dark skies and potential aurora activity.
Superior is rated Bortle 4, indicating a dark sky location.
The horizon is generally clear to the east-north-east over Superior Bay, and to the west at Grassy Point.
Clear horizons are also noted at Rices Point to the north, Saint Louis Bay to the north-north-west, and Lafayette Park to the north-east.
Superior Bay is a body of water located 3.1 km east-north-east of Superior.
Grassy Point is a cape situated 3.5 km west of Superior.
Rices Point is a cape 3.7 km north of Superior, and Saint Louis Bay is a bay 3.9 km north-north-west of the city.
There are 196 verified aurora reports within 300 km of Superior between January 1, 2015, and December 31, 2016.
The data indicates an average of 3.2 aurora-potential nights per year.
Notable qualifying nights include March 20, 2026 (Kp 7.0), January 20, 2026 (Kp 7.67), and January 19, 2026 (Kp 8.67).
Sources: Revon analysis of NOAA planetary Kp · Revon location dataset · Falchi 2016 World Atlas of artificial night sky brightness · GeoNames (CC BY 4.0) · Aurorasaurus verified positive reports
Know when it is worth going outside
Revon watches the Superior forecast and pushes an alert when the odds for tonight clear your threshold — no checking, no guessing.
Nearby towns
Forecasts for places within reach of Superior.