Tonight
May 21 - May 22
- 12 °C
59 percent cloud cover - 8 °C41 percent cloud cover
- 5 °C42 percent cloud cover
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Northern Lights Forecast for Calgary
Calgary, Alberta, Canada
51°2′40.9″N ⋅ 114°4′18.8″W
Aurora data last updated at
Current local time:
No significant aurora activity is expected in Calgary over the next 24 hours. Sky will be dark from 11:10 PM to 3:55 AM local time. Cloud cover around that time looks mostly cloudy at around 80%.
Aurora Forecast for Calgary
Today at 3:00 PM
No activity
Cloud Cover:40%
Aurora activity
High clouds
Middle clouds
Low clouds
Fog
Aurora activity
High clouds
Middle clouds
Low clouds
Fog
Hourly aurora forecast for Calgary
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3-Night Weather Forecast for Calgary
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Tomorrow night
May 22 - May 23
- 13 °C55 percent cloud cover
- 9 °C
2 percent cloud cover - 7 °C0 percent cloud cover
Saturday night
May 23 - May 24
- 17 °C
31 percent cloud cover - 11 °C68 percent cloud cover
Sun & Moon
Sunset
Sunrise
Dark from 11:10 PM to 03:55 AM (4 h 45 min)
Current Moon
First Quarter
32% illumination
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Long-Term Aurora Forecast for Calgary
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
Thursday, May 21, 2026. Today. No aurora activity. Aurora score 0 out of 10. Waxing crescent, 29% illumination | Friday, May 22, 2026. No aurora activity. Aurora score 0 out of 10. First quarter, 40% illumination | Saturday, May 23, 2026. No aurora activity. Aurora score 0 out of 10. First quarter, 50% illumination | Sunday, May 24, 2026. No aurora activity. Aurora score 0 out of 10. First quarter, 61% illumination | |||
Monday, May 25, 2026. No aurora activity. Aurora score 0 out of 10. Waxing gibbous, 71% illumination | Tuesday, May 26, 2026. No aurora activity. Aurora score 0 out of 10. Waxing gibbous, 79% illumination | Wednesday, May 27, 2026. No aurora activity. Aurora score 0 out of 10. Waxing gibbous, 87% illumination | Thursday, May 28, 2026. No aurora activity. Aurora score 0 out of 10. Waxing gibbous, 93% illumination | Friday, May 29, 2026. No aurora activity. Aurora score 0 out of 10. Full moon, 97% illumination | Saturday, May 30, 2026. No aurora activity. Aurora score 0 out of 10. Full moon, 99% illumination | Sunday, May 31, 2026. No aurora activity. Aurora score 0 out of 10. Full moon, 100% illumination |
Monday, June 1, 2026. No aurora activity. Aurora score 0 out of 10. Full moon, 99% illumination | Tuesday, June 2, 2026. No aurora activity. Aurora score 0 out of 10. Waning gibbous, 96% illumination | Wednesday, June 3, 2026. No aurora activity. Aurora score 0 out of 10. Waning gibbous, 91% illumination | Thursday, June 4, 2026. No aurora activity. Aurora score 0 out of 10. Waning gibbous, 85% illumination | Friday, June 5, 2026. No aurora activity. Aurora score 0 out of 10. Waning gibbous, 78% illumination | Saturday, June 6, 2026. No aurora activity. Aurora score 0 out of 10. Last quarter, 69% illumination | Sunday, June 7, 2026. No aurora activity. Aurora score 0 out of 10. Last quarter, 60% illumination |
Monday, June 8, 2026. No aurora activity. Aurora score 0 out of 10. Last quarter, 49% illumination | Tuesday, June 9, 2026. No aurora activity. Aurora score 0 out of 10. Last quarter, 39% illumination | Wednesday, June 10, 2026. No aurora activity. Aurora score 0 out of 10. Waning crescent, 28% illumination | Thursday, June 11, 2026. Low aurora activity. Aurora score 1 out of 10. Waning crescent, 19% illumination | Friday, June 12, 2026. Low aurora activity. Aurora score 1 out of 10. Waning crescent, 10% illumination | Saturday, June 13, 2026. No aurora activity. Aurora score 0 out of 10. Waning crescent, 4% illumination | Sunday, June 14, 2026. No aurora activity. Aurora score 0 out of 10. New moon, 1% illumination |
Monday, June 15, 2026. No aurora activity. Aurora score 0 out of 10. New moon, 0% illumination | Tuesday, June 16, 2026. No aurora activity. Aurora score 0 out of 10. New moon, 3% illumination | Wednesday, June 17, 2026. No aurora activity. Aurora score 0 out of 10. Waxing crescent, 8% illumination |
LowAurora ActivityHigh
Northern Lights in Calgary
Located in the Alberta region of Canada, Calgary is a notable destination for night sky watchers. Situated far south at 51.0°, the auroral oval rarely reaches this area. Keep a close eye on space weather forecasts and be ready to travel to darker skies if a severe storm hits.
FAQ
What Kp index do I need to see the northern lights in Calgary?
In Calgary, you usually need at least Kp 5 to have a reasonable chance of seeing the northern lights. Lower Kp can still bring a faint aurora display low on the northern horizon, but it is less common.
This is based on magnetic latitude, and Kp index is a global geomagnetic index, so treat it as a rule of thumb, not a location-specific guarantee.
Tonight, the NOAA Kp index forecast is 0.9 to 2.7. That is below the usual Kp index threshold for Calgary, so seeing the aurora is unlikely.