Northern Lights Expected Across Northern U.S. States on April 10-11

On the night of April 10 into the early hours of April 11, 2026, the northern lights, or aurora borealis, may be visible across several northern U.S. states due to a minor geomagnetic storm classified as G1. The National Oceanic and Atmospheric Administration (NOAA) has forecasted that geomagnetic conditions could reach a Kp index of approximately 5.33, which is sufficient for auroras to shimmer low on the northern horizon. This event is linked to a co-rotating interaction region, where a faster stream of solar wind overtakes slower streams, intensifying geomagnetic activity around Earth.

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The best opportunities to observe the aurora are expected late Friday night, April 10, through the early hours of Saturday, April 11. Ideal viewing locations include dark areas away from urban light pollution, such as lakeshores, open countryside, and dark-sky parks. The northern states with the highest likelihood of visibility include Washington, Idaho, Montana, North Dakota, South Dakota, Minnesota, Wisconsin, Michigan, Maine, and Alaska. If geomagnetic activity unexpectedly strengthens, the auroras could potentially extend into more southern states like Oregon, Wyoming, Nebraska, Iowa, Illinois, Indiana, Ohio, New York, Vermont, and New Hampshire.

Aurora watch! 10 states may see Northern Lights light up skies tonight—here's when to look up

The northern lights are produced when charged particles from the sun collide with gases in Earth's atmosphere, resulting in brilliant waves of light. These interactions typically manifest as green bursts, with the intensity and visibility of the auroras depending on the strength of the geomagnetic storm. The Bz component of the interplanetary magnetic field plays a crucial role; when it turns southward, it allows solar energy to penetrate Earth's magnetosphere more effectively, increasing the chances of visible auroras.

Aurora watch! 10 states may see Northern Lights light up skies tonight—here's when to look upPeople MagazinePeople Magazine

While many are excited about the potential for aurora viewing, some experts caution that the visibility of the northern lights is inherently unpredictable. Factors such as local weather conditions and light pollution can significantly impact the experience. Observers are advised to remain patient and check real-time forecasts, as conditions can change rapidly.

Aurora watch! 10 states may see Northern Lights light up skies tonight—here's when to look up

NOAA emphasizes the importance of finding a dark location for optimal viewing, stating, "The darker your surroundings, the more vivid the aurora colors will appear." They also recommend using dim red lights instead of bright flashlights to preserve night vision while observing the auroras.

Aurora watch! 10 states may see Northern Lights light up skies tonight—here's when to look up

• “The best chances are expected to occur across:These areas may be able to see the aurora low on the northern horizon overnight Friday into Saturday.” — NOAA Space Weather Prediction Center

Aurora watch! 10 states may see Northern Lights light up skies tonight—here's when to look up

• “Keep your cameras handy and eyes on the horizon!” — NOAA Space Weather Prediction Center

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As skywatchers prepare for this celestial event, they are encouraged to stay informed through NOAA’s 30-minute aurora forecast and space-weather apps that track solar wind and magnetic field changes.

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