Aurora Borealis in Coeur d'Alene
United States · 47.68°, -116.78° · geomagnetic 53.9° · needs Kp 7
Tonight's aurora forecast for Coeur d'Alene
1%
Peak chance of a visible display tonight, from the same model the Revon app runs. Coeur d'Alene 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.
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Updated 2026-09-08 10:36 UTC
Local aurora guide for Coeur d'Alene
Coeur d'Alene is located at 53.9° geomagnetic latitude. Auroras visible here typically require a geomagnetic activity level of Kp 7 or higher.
On average, there are about 3.2 nights per year with conditions suitable for aurora viewing. These opportunities are spread across the period from April 2, 2016, to March 30, 2026.
The best months for aurora viewing in Coeur d'Alene are May, August, and September. These months align with periods of darker skies, increasing the chances of observing the aurora.
Coeur d'Alene experiences a Bortle 4 sky, indicating relatively dark conditions. Areas with similar darkness, such as 8 km north-north-east near Kootenai County, are also classified as Bortle 4.
The local horizon is shaped by several features. To the west-north-west, Blackwell Hill and Harbor Island are notable. To the east-north-east, Fernan Hill, Tottens Pond, and Honeysuckle Bay are present.
Geographic features around Coeur d'Alene include Blackwell Hill, a mountain located 3.4 km west-north-west. Fernan Hill, another mountain, is situated 4.7 km east-north-east.
Islands and bodies of water also define the landscape. Harbor Island is 7.1 km west-north-west, while Tottens Pond, a lake, is 7.2 km north-north-east. Honeysuckle Bay is a bay located 8.5 km north-north-east.
Between January 1, 2015, and December 31, 2016, there were 24 verified aurora reports within 300 km of Coeur d'Alene. The historical record for aurora viewing in this region spans from April 2, 2016, to March 30, 2026.
Notable qualifying nights within this period include March 20, 2026 (Kp 7.0), January 20, 2026 (Kp 7.67), and January 19, 2026 (Kp 8.67). Additional significant events occurred on November 12, 2025 (Kp 7.33), and November 11, 2025 (Kp 8.67).
Sources: Revon location dataset · Revon analysis of NOAA planetary Kp · Falchi 2016 World Atlas of artificial night sky brightness · GeoNames (CC BY 4.0) · Aurorasaurus verified positive reports
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