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NOAA predicts G1 geomagnetic storm, aurora over northern US.

8/3/2026

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Summary

Story summary

NOAA forecasts a G1 geomagnetic storm for August 2–3 that could produce aurora in northern-border states.
A coronal mass ejection that left the Sun on July 30 is expected to hit Earth on August 2 and may generate a G2-class storm.
Skywatchers in Washington, Idaho, Montana, North Dakota, Minnesota, Wisconsin, Michigan, Maine, Vermont and New Hampshire should look north at the night’s darkest hour, away from streetlights, to see faint aurora.

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Story summary

NOAA forecasts a G1 geomagnetic storm for August 2–3 that could produce aurora in northern-border states.
A coronal mass ejection that left the Sun on July 30 is expected to hit Earth on August 2 and may generate a G2-class storm.
Skywatchers in Washington, Idaho, Montana, North Dakota, Minnesota, Wisconsin, Michigan, Maine, Vermont and New Hampshire should look north at the night’s darkest hour, away from streetlights, to see faint aurora.