Live aurora forecast

Northern lights in Lake Louise tonight

Alberta, Canada · 58° magnetic latitude · Kp 3–4 threshold

Aurora visibility · Lake Louise
1/9
Unlikely tonight

Kp 1 is well below the Kp 3–4 threshold needed for aurora to be visible from Lake Louise.

QuietStormExtreme
Threshold
Kp 3–4
Magnetic latitude
~58°N
Bz ↓ south
- nT
Solar wind
- km/s
Density
- p/cm³
Cloud
-
Conditions right now: - Kp + Bz + solar wind + cloud + moon

Updated: 10 Jul, 12:58 UTC

7-day outlook for Lake Louise

Today
10 Jul
1
Quiet
Tomorrow
11 Jul
3
Possible
Sun
12 Jul
3
Possible
Mon
13 Jul
3
Possible
Tue
14 Jul
3
Possible
Wed
15 Jul
3
Possible
Thu
16 Jul
3
Possible

Based on CME arrival predictions from NASA DONKI. Arrival times ±6 hours.

auroratonight.space

What Kp is needed here?

Lake Louise sits at a magnetic latitude of approximately 58°N. The Kp index - a global measure of geomagnetic activity on a scale from 0 (quiet) to 9 (extreme storm), updated every 3 hours - needs to reach Kp 3–4 before the auroral oval expands far enough south to be visible from here.

At Kp 3–4, visibility is possible from Lake Louise but skies need to be clear and dark. Cloud cover and light pollution remain the main obstacles even when Kp is high enough.

Plan your viewing

Best dark sky sites near Lake Louise

Light pollution is the biggest obstacle after cloud cover. These sites give you the best dark northern horizon within reach.

Lake Louise lakeshore

Get directions ↗
Bortle Class 3 - Rural sky At the location - Chateau Lake Louise car park

The north shore of the lake faces directly up the valley toward the Victoria Glacier and the President Range. The Chateau contributes a light dome to the south-east but the northern sky above the glacier is clean. Altitude 1,730 metres. The valley walls channel the view upward, which suits wide-angle northern sky photography. One of the most photographed alpine lake aurora settings in the world when conditions align.

Moraine Lake

Get directions ↗
Bortle Class 2-3 - Excellent dark sky 14 km from Lake Louise - approximately 20 minute drive

In the Valley of the Ten Peaks at 1,885 metres, 14 km south of Lake Louise. Darker than the main lakeshore due to no chateau lighting. The lake faces north-east with the Ten Peaks silhouetted behind. Note: the road to Moraine Lake is closed to private vehicles in peak summer season - check Parks Canada access conditions. It typically opens to private cars from mid-September through October, which coincides well with aurora season.

Bortle Class 2 - Excellent dark sky 35 km north on the Icefields Parkway - approximately 30 minute drive

A glacial lake at 1,920 metres on the Icefields Parkway, 35 km north of Lake Louise. Num-Ti-Jah Lodge is the only building at the lake - light pollution is negligible. The north shore gives open sky above the Wapta Icefield. Part of the Icefields Parkway Dark Sky Preserve. On clear autumn nights the lake surface reflects the aurora with the glacier and peaks behind.

Plain of Six Glaciers

Get directions ↗
Bortle Class 2 - Excellent dark sky 5.5 km trail from the Lake Louise lakeshore - approximately 2 hr walk one way

The trail above Lake Louise climbs to 2,070 metres on the Plain of Six Glaciers - no artificial lights anywhere on the route. Best suited to long autumn nights with a head torch and stable footwear. The elevated position clears the valley walls and gives a 360-degree sky view. A physically demanding option suited to aurora photographers willing to hike in the dark.

When to go

Best time to see the northern lights in Lake Louise

Lake Louise's aurora season runs from late September through to March, when nights are long enough for truly dark skies. The equinox months, September and March, bring a natural boost in geomagnetic activity, making them statistically the best of the season. Summer months bring too much twilight for aurora to be visible at this latitude.

Activity peaks around the September and March equinoxes, when Earth's magnetic field geometry is most favourable for coupling with the solar wind. Events during these two windows tend to produce the strongest displays of the year for observers at Lake Louise's latitude.

April through August brings persistent astronomical twilight that washes out aurora completely. Even strong events (Kp 6+) remain invisible during this period because the sky never gets dark enough.

Up to 8 locations

Lake Louise

Canada

Unlikely
Kp 1 need Kp 3-4
Checking darkness…
Banff

Canada

Unlikely
Kp 1 need Kp 3-4
Checking darkness…
Jasper

Canada

Unlikely
Kp 1 need Kp 3-4
Checking darkness…
The odds

How often does the aurora appear in Lake Louise?

Average nights per month the Kp reached Lake Louise's threshold of 3+, from 15 years of geomagnetic data (2010–2024).

10.2Jan
11.2Feb
13.6Mar
12.4Apr
8May
0Jun
3.9Jul
12.3Aug
13.2Sep
12.8Oct
10.3Nov
9.3Dec

Counts the Kp 3+ threshold only - cloud cover and local darkness are not included.
Kp data: GFZ German Research Centre for Geosciences, CC BY 4.0

Make it happen

Plan your trip to Lake Louise

Based on 15 years of geomagnetic data (2010–2024)

1st
March
13.6
avg aurora nights
Stay 3+ nights for 80% chance
2nd
September
13.2
avg aurora nights
Stay 3+ nights for 80% chance
3rd
October
12.8
avg aurora nights
Stay 4+ nights for 80% chance

Best window

The August to October window averages 38 aurora nights - the strongest consecutive stretch of the year.

How long to stay

For your best chance in March, plan at least 3 nights.

Questions

Common questions about aurora in Lake Louise

Can you see the northern lights from Lake Louise?
Yes. Lake Louise sits at 58° magnetic latitude inside Banff National Park - the same latitude as southern Scandinavia. Kp 3 to 4 is the threshold from the lakeshore and Moraine Lake. During G2 storms (Kp 5 to 6), aurora is visible from the lake itself with the Victoria Glacier and the Chateau as foreground. The combination of glaciated mountain scenery and aurora is what makes this site distinctive.
What Kp is needed for aurora at Lake Louise?
Kp 3 from the lakeshore and Moraine Lake. Kp 3 to 4 is typical for a visible display from within the valley. The Kp index measures global geomagnetic activity on a scale from 0 to 9, updated every 3 hours. At 58° magnetic latitude, Lake Louise sits inside the auroral oval during moderate activity - comparable to Tromsø in Norway or Rovaniemi in Finnish Lapland in terms of threshold.
How does Lake Louise compare to Banff for aurora?
Lake Louise is roughly 14 km north of Banff townsite, at a slightly higher elevation and with better dark sky conditions away from Banff's light dome. The lakeshore dark sky and Moraine Lake are better dedicated aurora sites than any equivalent in Banff itself. The Icefields Parkway, which runs north from Lake Louise to Jasper, is a Dark Sky Preserve and is the best aurora driving corridor in the Canadian Rockies.
When is the best time for aurora at Lake Louise?
September to April. October is often the best single month - nights are long enough, the weather is relatively stable, and geomagnetic activity is historically elevated around the September-October equinox period. Moraine Lake's road typically opens to private vehicles in mid-September, which aligns with the start of proper aurora season. Winter (December to February) gives the longest nights but the coldest temperatures - down to minus 30°C at altitude.
How do I get to Lake Louise?
Fly to Calgary International Airport (YYC) - approximately 2 hours from Lake Louise by road on the Trans-Canada Highway. A hire car is strongly recommended for accessing Moraine Lake and driving the Icefields Parkway at night. Brewster/Pursuit and Banff Airporter run coach transfers from Calgary to the area. Banff National Park requires a Parks Canada pass for vehicle entry.
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