How to Read an Aurora Forecast
An aurora forecast is easier to read when you know what matters most: geomagnetic activity, darkness, cloud cover, and your location. Here is how to turn the numbers into a better yes-or-no decision.
Northern lights tonight
Here, you'll find the estimated chances of seeing the northern lights right now in various cities and places across the U.S. and Canada, as well as the forecast for later tonight. Check the city closest to you to see your best chances of spotting the aurora today. The cities are initially sorted by latitude, with the northernmost ones listed first.
| Calgary | None | Low |
| Edmonton | None | Medium |
| Mississauga | None | None |
| Montreal | None | None |
| Ottawa | None | None |
| Toronto | None | None |
| Vancouver | None | None |
| Whitehorse | None | High |
| Windsor | None | None |
| Winnipeg | None | Low |
| Yellowknife | Low | High |
United States
Show more cities in United StatesStart with the forecast page that matches your location
Use the full country forecasts when you want more city coverage, or jump into the guides if you are still learning how aurora visibility works.
Northern lights forecast for the U.S.See city-by-city aurora chances across the United States for tonight.Northern lights forecast for CanadaOpen the full Canada forecast and compare aurora chances by city.Northern lights FAQRead practical answers about visibility, timing, darkness, and forecast basics.Aurora guides and articlesLearn how the aurora works and what improves your odds on a forecast night.
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Friendly guides for understanding the aurora, planning better nights outside, and knowing when the sky is worth a look.
Best Time to See the Northern Lights in the U.S.
The best time to see the northern lights in the U.S. is usually from late fall through early spring, especially in northern states with dark skies and strong geomagnetic activity.
Best Time to See the Northern Lights
The best time to see the northern lights is usually during dark months from late August or September through March, especially on clear nights in northern Canada, Alaska, and the northern U.S. during stronger activity.