This forecast covered the night of 2026-10-20. It stays online as a record of what was forecast. For current conditions, check the live forecast. Live aurora forecast

Greenland aurora forecast for October 20

NOAA forecasts Kp 4.67 from 03:00–06:00 UTC on October 20. Qaqortoq and Prins Christian Sund have 02:00–05:00 GMT−1, while Qaanaaq, Siorapaluk and Savissivik have 00:00–03:00 ADT. Check darkness, clouds and the live city forecast.

By AuroraMe Space Weather Desk Published Oct 18, 2026, 06:51 CEST Updated Oct 20, 2026, 11:25 CET/CEST
Aurora forecast WATCH

NOAA forecasts Kp 4.67 for the listed local windows; check darkness, clouds and the live forecast for your city before making plans.

NOAA forecast Kp 4.67 Oct. 20, 03:00–06:00 UTC; NOAA bulletin issued Oct. 19 at 12:30 UTC
Local city windows 00:00–03:00 ADT or 02:00–05:00 GMT−1 Full three-hour intervals for the listed cities
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Save your city. AuroraMe shows a local forecast and can send aurora alerts when conditions warrant.

What happened on 2026-10-20

The storm came in below the forecast. NOAA's observed planetary K index peaked at 1.0, under the forecast peak of Kp 4.7 this brief was based on.

This event is over. For the next viewing chance, check the live 72-hour forecast for your city — conditions change every few hours.

City forecast

City Forecast window
Qaqortoq Oct. 20, 02:00–05:00 GMT−1 (Kp 4.67)
Prins Christian Sund Oct. 20, 02:00–05:00 GMT−1 (Kp 4.67)
Qaanaaq Oct. 20, 00:00–03:00 ADT (Kp 4.67)
Siorapaluk Oct. 20, 00:00–03:00 ADT (Kp 4.67)
Savissivik Oct. 20, 00:00–03:00 ADT (Kp 4.67)
NOAA northern hemisphere aurora forecast map
AuroraMe combines NOAA’s Kp outlook with local forecast factors for city forecasts.

The listed Greenland cities have two local time windows.

NOAA forecasts Kp 4.67 for October 20, 03:00–06:00 UTC. This is a forecast interval, not an observation.

Qaqortoq and Prins Christian Sund have 02:00–05:00 GMT−1. Qaanaaq, Siorapaluk and Savissivik have 00:00–03:00 ADT.

What to do

  1. Check the live city forecast before the local window.
  2. Check darkness and cloud conditions again shortly before leaving.
  3. Use the NOAA outlook as a planning signal, not a visibility guarantee.

Sources and live checks

This brief uses NOAA’s 3-day forecast bulletin issued October 19, 2026 at 12:30 UTC. The table forecasts Kp 4.67 for October 20, 03:00–06:00 UTC; city conditions still depend on local factors.