Aurora tonight in Yellowknife

Can you see the aurora borealis from Yellowknife?

Yellowknife sits close enough to the auroral oval that the northern lights are a routine winter occurrence rather than a special event.

Yellowknife needs only Kp 1 — the lowest threshold in our data, and one of only a handful of places where the aurora can appear while the planetary index is effectively quiet. It sits almost directly under the auroral oval on the Canadian Shield, in flat lake country with no mountain range to block the horizon. Continental air keeps winter skies clear far more often than the coastal alternatives at the same latitude.

Country

Canada

Magnetic latitude

68.5°N

Geographic latitude

62.45°

Aurora threshold

Kp 1

Light pollution

Bortle 3

Deep-dark nights / yr

224

Sun at solar midnight

51° below horizon

Midnight sun

none

When to look: the Yellowknife aurora season

Yellowknife's deep-dark season runs from about **31 Aug** to about **11 Apr**: 224 nights a year on which the sun sits at least 18° below the horizon and the sky is genuinely black. Those dates come out of the city's latitude and longitude, not out of a regional generalisation. The counter-season is just as clearly defined: from about **12 Apr** to **30 Aug** (141 nights) the sun never gets 18° below the horizon, so the sky never reaches full darkness, and between roughly 30 Apr and 12 Aug it does not get properly dark at all — no display, however strong, is visible in that stretch.

At Yellowknife the sun reaches 51° below the horizon at its lowest point of the year, which is more than enough for a black sky. The catch is the other end of the calendar: between about 12 Apr and 30 Aug full astronomical darkness never arrives, so the usable season is narrower than a latitude-based rule of thumb would suggest.

Where to go in Yellowknife

The landscape is flat and the lakes are everywhere, so an open horizon is easy to find — almost any road leading out of the city ends at a frozen lake with nothing in the way.

The aurora sits over the magnetic pole, so from Yellowknife you are looking toward magnetic north — which in practice means a spot with an open horizon in that direction and no streetlight in front of you. The "best window" in tonight's answer marks the first hour where cloud cover drops below roughly 40% while the sky is properly dark at this latitude.

What Kp do you need in Yellowknife?

Here is what each Kp value would actually put in Yellowknife's sky — the row that matters is the one at Kp 1, which is where this city's magnetic latitude of 68.5° places its threshold:

The most common reason people miss a display at this latitude is timing rather than strength: a Kp 1 night is enough, but substorms come and go inside a single Kp interval, so a 20-minute gap in your attention can be the whole show. Check the sky every 20–30 minutes rather than once.

How tonight's answer is calculated for Yellowknife

Tonight's verdict for Yellowknife weights five inputs: the live Kp forecast measured against this city's own Kp 1 threshold (35%), night-average cloud cover at 62.45°, -114.37° (25%), moon illumination (15%), the astronomical darkness window computed for this latitude (15%), and light pollution at Bortle class 3 (10%). How the score is built, where the numbers come from and where the method can go wrong are all set out on our methodology page. There is nothing to install and nothing to sign up for: the calculation runs in your browser against NOAA and Open-Meteo. The only third parties are anonymous analytics and Google's ad script — our privacy page lists what each one does.