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US Aurora Forecast July 21-22: Storm Sparks Northern Lights

7/22/2026

Summary

Story summary

The United States may see the aurora borealis on July 21-22, 2026 as a G1 geomagnetic storm raises the Kp index to five.
NOAA says a fast solar-wind stream from a coronal hole will produce Kp 4 Tuesday night and Kp 5 Wednesday.
NOAA advises viewing 10 p.m.–2 a.m. over Alaska, Montana, North Dakota, Minnesota, Maine, Washington, Idaho, Wisconsin, Michigan, New York, Vermont and New Hampshire from a high-elevation site using no flash, aperture <= f/4 and a tripod.

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Story summary

The United States may see the aurora borealis on July 21-22, 2026 as a G1 geomagnetic storm raises the Kp index to five.
NOAA says a fast solar-wind stream from a coronal hole will produce Kp 4 Tuesday night and Kp 5 Wednesday.
NOAA advises viewing 10 p.m.–2 a.m. over Alaska, Montana, North Dakota, Minnesota, Maine, Washington, Idaho, Wisconsin, Michigan, New York, Vermont and New Hampshire from a high-elevation site using no flash, aperture <= f/4 and a tripod.