Skywatchers in parts of the northern U.S. may be treated to another display of northern lights tonight (Oct. 1) as geomagnetic storm conditions continue to buffet Earth's magnetic field.

NOAA's Space Weather Prediction Center has issued a G2 (moderate) geomagnetic storm watch for Oct. 1. NOAA warns that geomagnetic storm conditions are likely to persist through the evening due to the lingering effects of a high-speed solar wind stream currently blasting Earth at 700 to 800 kilometers per second.

That means the aurora could once again dip farther south than usual, offering a glimpse of the northern lights for skywatchers in several northern-tier U.S. states — weather and light pollution permitting.

When and where can you see the northern lights?

According to NOAA's Kp index forecast, ge

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