Aurora Borealis in Saint-Basile-le-Grand
Canada · 45.53°, -73.28° · geomagnetic 54.9° · needs Kp 7
Tonight's aurora forecast for Saint-Basile-le-Grand
4%
Peak chance of a visible display tonight, from the same model the Revon app runs. Saint-Basile-le-Grand needs Kp 7 to see anything at all, and tonight the forecast peaks at Kp 5.0. Short of the threshold, which is what most nights look like here.
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Updated 2026-09-08 10:35 UTC
Local aurora guide for Saint-Basile-le-Grand
Saint-Basile-le-Grand is at a geomagnetic latitude of 54.9 degrees. Auroras are typically visible at this latitude when the Kp index reaches 7.
On average, there are about 3.2 nights per year when conditions are suitable for aurora viewing. The historical record spans from April 2, 2016, to March 30, 2026.
The best months for aurora viewing in Quebec are May, August, and September. These months offer a good overlap with the darker periods needed to observe the aurora.
Saint-Basile-le-Grand has a Bortle scale rating of 7, indicating significant light pollution. Darker skies, rated Bortle 4, can be found approximately 88 km north-north-west near Saint-Côme.
Darker skies rated Bortle 5 are also available about 61 km east near Roxton.
The horizon features include Lac à la Tortue to the north-west, Lac du Moulin to the west-north-west, and Mont Saint-Bruno to the north-west. Parks such as Parc du Bois-Franc and Parc du Pré-Vert are also nearby.
Nearby natural features include Lac à la Tortue, located 3.2 km north-west of Saint-Basile-le-Grand, and Lac du Moulin, situated 3.4 km west-north-west. Mont Saint-Bruno, a mountain, is also 3.4 km north-west.
Parks such as Parc du Bois-Franc, 4.4 km north-west, and Parc du Pré-Vert, 4.7 km north-west, offer open spaces.
Within a 300 km radius of Saint-Basile-le-Grand, there have been 40 verified aurora reports between January 1, 2015, and December 31, 2016.
Notable Kp events recorded between 2016 and 2026 include Kp 7.0 on March 20, 2026; Kp 7.67 on January 20, 2026; Kp 8.67 on January 19, 2026; Kp 7.33 on November 12, 2025; and Kp 8.67 on November 11, 2025.
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 Saint-Basile-le-Grand 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 Saint-Basile-le-Grand.