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Canada › Northern lights

Northern Lights Forecast — Canada

Tonight's aurora chances across Canada from the NOAA Kp index, with the 3-day outlook.

Aurora chances tonight

Good chancePossibleSlightUnlikelyGreen band: aurora zone at Kp 2

Kp index now

2
Quiet

Updated 12:50 · NOAA Space Weather Prediction Center

Peak next 24 h
2 Mon 10 PM ET
Storm level
Quiet
Visible as far south as
Churchill, MB about 59°N

Kp forecast · next 3 days

3-hour blocks, Eastern time
210am
1.71pm
24pm
1.77pm
210pm
1.7Tue
1.34am
0.77am
0.710am
1.71pm
1.34pm
1.77pm
210pm
1.7Wed
1.34am
1.37am
0.710am
0.71pm
1.74pm
2.77pm

Kp and how far south

Kp 0–2 · quiet
The territories and the far North, about 58°N and up
Kp 3–4 · active
Northern Prairies, Edmonton and Winnipeg, about 50°N
Kp 5 · G1 storm
Québec City, Moncton and Thunder Bay, about 46°N
Kp 6–7 · G2–G3
Montréal, Ottawa, Toronto and Halifax
Kp 8–9 · G4–G5
All of southern Canada and far into the US
Clear, dark skies with a view to the north.

Watching the aurora in Canada

Much of northern Canada sits under the auroral oval, so Yellowknife, Whitehorse and Churchill see the lights on many clear nights. Farther south it takes a geomagnetic storm, and the display can come and go within half an hour, so keep checking once Kp reaches the level for your latitude.

Clouds matter as much as Kp: check the radar and satellite and your local forecast, then find a dark spot with a clear northern horizon.