Aurora is Colorado's third largest city with a diverse population of more than 398,000. The "Gateway to the Rockies" is a bioscience, transportation and aerospace hub with award-winning parks, open space and cultural amenities.

This page provides a prediction of the aurora’s visibility tonight and tomorrow night in the charts below. The animations further down show what the aurora’s been up to over the last 24 hours and estimates what the next 30 minutes will be like.

In the Arctic they are called the northern lights or aurora borealis; in the Antarctic, the term southern lights or aurora australis is used. [3][4] Auroras display dynamic patterns of radiant light that appear as curtains, rays, spirals or dynamic flickers covering the entire sky.

Also known as the northern lights (aurora borealis) or southern lights (aurora australis), auroras are colorful, dynamic, and often visually delicate displays of an intricate dance of particles and magnetism between the Sun and Earth called space weather.

Natural light shows in the sky have scientific causes. Learn what auroras are, how they form, and why aurora borealis and aurora australis create stunning colors.

Northern lights forecast for tonight across 1,000+ cities. Check the live aurora tracker, KP index, cloud cover and visibility. Free instant alerts →

Aurora borealis forecast map with cloud coverage data. Track KP-index and find best northern lights viewing locations tonight.