LIVE AURORA FORECAST · Updated less than a minute ago

Northern Lights in YellowknifeVisible Tonight?

Real-time aurora forecast updated every 15 minutes

NOT TONIGHT

Activity is close, but 73% cloud cover blocks the sky over Yellowknife tonight.

Kp 0.3·73% clouds·moon 8%

Saturday night looks better: Kp 1.7 forecast with 0% cloud, a camera chance.

Tonight, Hour by Hour

The four things that must line up over Yellowknife, and how each hour of the night looks.

Activity

Kp 1.7 now, Kp 1 needed here

Clouds

73% cloud cover around 2 AM

Darkness

Only twilight tonight, never fully dark

Sky

Dark rural skies; moon 8% lit

naked eye camera nothing
2 AMKp 2of 0 needed73%

All times shown in Yellowknife local time (MDT), not your device time.

10-Night Aurora Outlook

Planning a trip to Yellowknife? Peak activity, cloud cover, and darkness for the nights ahead.

Tonight
Jul 17
Unlikely
Kp 2
73%
Sat
Jul 18
Camera
Kp 2
0%
Sun
Jul 19
Camera
Kp ~2
35%
Mon
Jul 20
Camera
Kp ~2
42%
Tue
Jul 21
Camera
Kp ~2
26%
Wed
Jul 22
Unlikely
Kp ~4
76%
Thu
Jul 23
Camera
Kp ~3
7%
Fri
Jul 24
Camera
Kp ~2
46%
Sat
Jul 25
Camera
Kp ~2
62%

Kp ~ marks nights beyond NOAA's precise 3-day forecast, estimated from the 27-day outlook. Treat the far nights as a rough guide, not a promise.

Seeing the aurora in Yellowknife

Yellowknife sits directly under the auroral oval at 62 degrees north, which is why the northern lights in Yellowknife appear on most clear, dark nights and the city bills itself as the aurora capital of North America. Activity is rarely the problem here; a dry, continental climate delivers some of the clearest skies of any aurora destination, so a Yellowknife night usually comes down to cloud cover and darkness, not Kp. Drive 20 minutes out the Ingraham Trail and the lights regularly fill the sky overhead.

Our verdict is not a Kp number. The Kp index is a global, three-hour average, and treating it as a promise is the single biggest reason people drive out and see nothing. Instead we check four things for Yellowknife specifically: whether forecast activity reaches the level this latitude needs, whether the sky will be clear, whether it will actually be dark, and how much moonlight and local light pollution will wash out. Only when all four line up do we say yes.

Why Yellowknife is one of the best places on Earth for the aurora

Yellowknife is one of the best aurora destinations on Earth because it sits directly under the auroral oval, the ring of aurora that circles the pole even on quiet nights. At about 69 degrees magnetic latitude the lights do not need a geomagnetic storm to appear: on an ordinary Kp 1 to 2 night the aurora is usually somewhere overhead, and a Kp 3 night can fill the whole sky. The common advice to wait for a high Kp number is actually backwards here, because a strong storm can shove the brightest part of the oval south of the city.

The second advantage is the weather. Yellowknife has a dry, continental sub-Arctic climate that produces some of the clearest skies of any aurora destination, on the order of 240 viewable nights a year, which is why operators can advertise a roughly 95 percent sighting rate over a three-night winter stay. Coastal capitals like Tromso and Reykjavik fight low cloud far more often, so Yellowknife's trade-off is simple: you accept brutal cold in exchange for clear, reliable skies.

When to go: aurora season and the summer gap

Aurora season in Yellowknife runs from mid-August through late April. It is not that the sun goes quiet in summer: at 62 degrees north the sky simply never gets dark enough from mid-May to early August, when a persistent glow sits on the northern horizon through the short night. Real darkness returns in the second half of August, and the statistically strongest displays cluster around the September and March equinoxes, when Earth's magnetic field couples most efficiently with the solar wind.

The two ends of the season feel very different. Late August and September bring milder nights, open lakes for mirror reflections, and aurora that appears before the deep cold arrives, at the cost of a shorter dark window. Deep winter from November through March is savagely cold but delivers long, dark, and often crystal-clear nights with far more viewing hours, and it is the stretch most dedicated aurora trips are built around.

Where to watch and how to read tonight's forecast

The best viewing is out the Ingraham Trail, Highway 4, which runs east from Yellowknife past a string of dark lakes. Vee Lake and Aurora Village sit closest, about 20 minutes northeast, and are the classic first stop; Madeline Lake, Prelude Lake, and Cameron Falls lie progressively deeper out with open water and darker skies. For nights when you cannot leave town, Pilot's Monument on the rock in Old Town gives an open northern view over Great Slave Lake, enough for a bright display. Wherever you go, the goal is the same: an open north horizon, real darkness, and a way to stay warm.

Start with the verdict at the top of the page, which folds geomagnetic activity, cloud cover, and darkness into one answer, because in Yellowknife the activity is rarely the part that fails. Read the hourly cloud numbers and the dark window instead, and if it is clear and genuinely dark, some aurora is very likely to show, usually building toward solar midnight around 12 to 1 am local. Displays arrive in substorms with quiet gaps between them, so give it at least two hours, and dress for standing still in serious cold, minus 20 to minus 40 in deep winter, because the cold ends more Yellowknife aurora sessions than clouds do.