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Geomagnetic Storm Could Illuminate Northern US Skies March 19

3/18/2026

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Summary

Story summary

A geomagnetic storm may bring the aurora borealis to parts of the northern United States on March 19, 2026.
The National Oceanic and Atmospheric Administration has issued a G2 storm watch for the event, linked to a coronal mass ejection.
The watch could extend visibility as far south as Illinois and Oregon.
Forecasters say best viewing times are 10 p.m. to 2 a.m. on Wednesday, with clear skies.

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Story summary

A geomagnetic storm may bring the aurora borealis to parts of the northern United States on March 19, 2026.
The National Oceanic and Atmospheric Administration has issued a G2 storm watch for the event, linked to a coronal mass ejection.
The watch could extend visibility as far south as Illinois and Oregon.
Forecasters say best viewing times are 10 p.m. to 2 a.m. on Wednesday, with clear skies.