Aurora Borealis in Spokane Valley
United States · 47.67°, -117.24° · geomagnetic 53.8° · needs Kp 7
Tonight's aurora forecast for Spokane Valley
1%
Peak chance of a visible display tonight, from the same model the Revon app runs. Spokane Valley 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 Spokane Valley
Spokane Valley is at a geomagnetic latitude of 53.8°.
Auroras are typically visible at this latitude when the Kp index reaches 7.
On average, there are 3.2 nights per year with conditions suitable for aurora viewing.
The best months for aurora viewing in Spokane Valley are May, September, and August.
These months offer a good balance of darkness and potential aurora activity.
Spokane Valley has a Bortle scale rating of 5, indicating moderate light pollution.
Areas with darker skies, rated Bortle 4, can be found nearby.
The horizon is relatively open, with parks and hills to the east and west, and a bay to the northeast.
Sullivan Park is located 3.2 km east of Spokane Valley.
Millwood Park is situated 3.4 km west-north-west of Spokane Valley.
Beacon Hill and Little Baldy mountains are to the west-north-west, approximately 7.5 km and 7.8 km away respectively. Shadow Bay is 14.3 km north-east.
There are 25 verified aurora reports within 300 km of Spokane Valley between January 2015 and December 2016.
The historical record shows viable aurora nights occurring as recently as March 2026, with Kp values reaching up to 8.67.
Notable qualifying nights include November 11-12, 2025, and January 19-20, 2026.
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 Spokane Valley 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 Spokane Valley.