Aurora Borealis in Eau Claire

United States · 44.81°, -91.50° · geomagnetic 53.6° · needs Kp 7

Tonight's aurora forecast for Eau Claire

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Peak chance of a visible display tonight, from the same model the Revon app runs. Eau Claire 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.

Tonight Mon 07 Sep
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Get the full 30-night forecast in Revon

Updated 2026-09-08 10:36 UTC

Local aurora guide for Eau Claire

The aurora borealis is typically visible in Eau Claire when the geomagnetic activity reaches Kp 7 or higher. This level of activity is expected on an average of 3.2 nights per year.

Eau Claire is located at 53.6° geomagnetic latitude. This latitude means that auroral displays are less frequent than at higher latitudes, but still possible during strong geomagnetic storms.

The best months for aurora viewing in Eau Claire are May, September, and August. These months offer a good balance of darkness and potential auroral activity.

Eau Claire experiences a Bortle 7 sky, indicating significant light pollution. For darker skies, areas like Town of Lincoln, located 21 km east-south-east, offer Bortle 4 conditions.

Local parks such as Riverview Park to the north and Sherman Creek Park to the west, along with islands like Gravel Island to the north-east, may offer clearer horizons for viewing.

Riverview Park, located 3.7 km north of Eau Claire, is a local park that may offer viewing opportunities.

Sherman Creek Park, situated 4.5 km west of Eau Claire, is another park in the vicinity.

Gravel Island, an island 13.0 km north-east of Eau Claire, and Elk Mound, a mountain 16.7 km west-north-west, are also geographically noted.

Between 2016 and 2026, an average of 3.2 nights per year in Eau Claire were suitable for aurora viewing. The record span for these observations is from April 2, 2016, to March 30, 2026.

Historical data shows verified reports of auroral activity, with specific qualifying nights recorded at Kp 7.0 or higher. Examples include March 20, 2026, and January 20, 2026.

Sources: Revon location dataset · Revon analysis of NOAA planetary Kp · Falchi 2016 World Atlas of artificial night sky brightness · GeoNames (CC BY 4.0)

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Nearby towns

Forecasts for places within reach of Eau Claire.