Aurora Borealis in Richfield
United States · 44.88°, -93.28° · geomagnetic 53.5° · needs Kp 7
Tonight's aurora forecast for Richfield
1%
Peak chance of a visible display tonight, from the same model the Revon app runs. Richfield 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 Richfield
The aurora forecast uses a Kp 7 threshold. This is a measure of geomagnetic activity.
Richfield is at 53.5° geomagnetic latitude. This latitude is favorable for aurora viewing.
On average, there are 3.2 nights per year with conditions suitable for aurora viewing.
The best months for aurora viewing in Richfield are May, September, and August.
These months offer a good balance of darkness and potential aurora activity.
Richfield has a Bortle scale rating of 8, indicating significant light pollution.
Areas with darker skies, such as Bortle 4 near the Town of Milltown (92 km NE) and Bortle 5 near the Town of Warren (63 km ENE), are further away.
Local parks like Beard Park and Lynnhurst Park, and lakes such as Mother Lake and Lake Nokomis, offer varied horizons.
Beard Park is a park located 3.3 km west-north-west of Richfield.
Lynnhurst Park is a park situated 3.4 km north-north-west of Richfield.
Mother Lake is a lake 3.5 km east-north-east of Richfield, and Lake Nokomis is a lake 4.3 km north-east of Richfield. Pike Island is an island 9.3 km east of Richfield.
There have been 166 verified aurora reports within 300 km of Richfield between 2015 and 2016.
The historical data includes qualifying nights such as March 20, 2026 (Kp 7.0), January 20, 2026 (Kp 7.67), and January 19, 2026 (Kp 8.67).
Other qualifying nights include November 12, 2025 (Kp 7.33) and November 11, 2025 (Kp 8.67).
Sources: Revon analysis of NOAA planetary Kp · 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 Richfield 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 Richfield.