Aurora Borealis in Karlstad

Sweden · 59.38°, 13.50° · geomagnetic 58.7° · needs Kp 5

Tonight's aurora forecast for Karlstad

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Peak chance of a visible display tonight, from the same model the Revon app runs. Karlstad needs Kp 5 to see anything at all, and tonight the forecast peaks at Kp 4.8. Short of the threshold, which is what most nights look like here.

Tonight Tue 08 Sep
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Get the full 30-night forecast in Revon

Updated 2026-09-08 10:35 UTC

Local aurora guide for Karlstad

Karlstad is located at 58.7° geomagnetic latitude. Auroras are typically visible when the planetary Kp index reaches 5.

Based on historical data, there are approximately 21.3 viable nights per year for aurora viewing in this region. The record span for this data is from 2016 to 2026.

The best months for aurora viewing in Karlstad are September, March, and October. During these months, the nights are typically dark enough to observe the aurora.

However, from May through August, Karlstad experiences periods with no full darkness, which can significantly reduce viewing opportunities.

Karlstad has a Bortle scale rating of 4, indicating a dark sky environment. Areas with Bortle 4 conditions are generally suitable for aurora viewing.

Nearby locations offering similar dark sky conditions include Glofsön, Alstern, Gränsjön, Inre Sållaren, and Södra Hyn.

Geographic features near Karlstad that may offer viewing opportunities include the island of Glofsön, located 7.3 km to the east, and the lake Alstern, situated 8.6 km to the north-northeast.

Other nearby locations include the bay Gränsjön (11.0 km east-northeast), the island Inre Sållaren (13.0 km east), and the lake Södra Hyn (13.2 km north-northwest).

Between 2015 and 2016, there were 47 verified aurora reports within a 300 km radius of Karlstad.

Notable qualifying nights with Kp 5.0 or higher occurred on March 20-24, 2026, and March 21-23, 2026.

Sources: Revon location dataset · Revon analysis of NOAA planetary Kp · Solar declination and hour-angle calculation · Falchi 2016 World Atlas of artificial night sky brightness · GeoNames (CC BY 4.0) · Aurorasaurus verified positive reports

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Nearby towns

Forecasts for places within reach of Karlstad.