Northern lights tonight: Don’t miss your chance to catch a visible aurora borealis in 19 states. Here’s the forecast for where and when

The Northern Lights, also known as aurora borealis, may be visible in nearly 19 U.S. states tonight, Wednesday, March 18 into Thursday, March 19, according to the National Oceanic and Atmospheric Administration’s (NOAA) Space Weather Prediction Center.

The aurora borealis is the result of a geomagnetic storm that occurs when a coronal mass ejection (CME), an eruption of solar material, reaches Earth and causes swaths of green, blue, and purple colors to appear in the dark sky. We are...