A G2 geomagnetic storm could spark northern lights as far south as New York and Idaho tonight as fast solar winds hit Earth.
A fast stream of solar wind could trigger G2 geomagnetic storm conditions overnight, boosting aurora chances across parts of the northern U.
The strongest geomagnetic activity is expected between 11 p. m. and 2 a. EDT tonight (0300-0600 GMT), which could trigger moderate (G2) geomagnetic storm conditions according to NOAA's Space Weather Prediction Center.