The northern lights could put a bow on the holiday weekend across parts of Pennsylvania on Monday night into Tuesday.

A potent solar storm launched Saturday is expected to move into Earth’s magnetic field late on Monday into early Tuesday, according to NOAA’s Space Weather Prediction Center (SWPC) .

When it arrives, it’s likely to cause a G2 (moderate) geomagnetic storm, intensifying to G3 (strong) levels as the main body of the solar storm passes, NOAA says.

That intensification means that the aurora borealis could extend much farther south than usual, including Pennsylvania, offering millions across the northern part of the country a shot at catching the display.

The two maps from NOAA below show the aurora viewing line for tonight and tomorrow night. The brightness and l

See Full Page