Aurora Calculator

Alta Aurora Forecast

Norway · 69.97°, 23.27°

A dry inland Arctic town once chosen as the site of a pioneering aurora observatory.

Should I Go Tonight · Wait for dark
Not right now — wait for dark in Alta
15/100
  • Moderate auroral activity (23%)
  • Kp 0.7 is below the Alta threshold (Kp 2)
  • Sky is currently too bright — wait for nightfall
Current Kp
0.7
Quiet
Kp Threshold
Kp 2
Minimum to see aurora here
Magnetic Latitude
66.8°
Northern
Moon
73%
Waning Gibbous
Live Aurora Map · Alta
Alta
Tonight's Weather
Mostly cloudy
66% cloud cover · 19°C
Cloud forecast

Mostly cloudy — viewing conditions are poor tonight.

Tonight's Moon
Waning Gibbous
73% illuminated
Strong impact

Bright moonlight may wash out faint aurora displays.

Alta Aurora Viewing Guide

Best time to visit

Aurora season runs from September to early April. Alta's inland position gives drier air and more clear nights than the Norwegian coast, so consistency is a real advantage here.

Weather & conditions

Alta has a drier, more stable climate than coastal Norway, with colder but clearer winter nights. Snow cover is reliable through the season.

Local tips

  • ·The dry inland air gives more clear nights than coastal aurora towns at the same latitude.
  • ·Sitting high under the auroral oval, Alta can show displays even on quiet nights.
  • ·The frozen Alta River and surrounding valleys offer many dark, open viewpoints.

Where to Watch in Alta

Alta River Valley

The valley floor offers wide, open sky and easy road access to dark viewing spots away from the town centre.

Northern Lights Cathedral area

The edge of town near the modern cathedral is a quick, accessible spot, though darker sites lie only minutes away.

Sorrisniva

An area upriver from Alta, home of the ice hotel, with quiet surroundings and genuinely dark skies.

Seeing the Northern Lights in Alta

Alta has a long history with the northern lights; the world's first permanent aurora observatory was built nearby over a century ago. Its inland position gives it a drier climate than many coastal Norwegian towns, translating into more clear nights. Sitting high under the auroral oval, Alta can show displays even on relatively quiet nights.

Best months: September to March

Plan Your Alta Aurora Trip

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Alta Aurora FAQ

Why is Alta called the City of the Northern Lights?+

Alta has a long aurora history — the world's first permanent aurora observatory was built nearby, on Haldde mountain, over a century ago.

Is Alta better than coastal Norway for aurora?+

Its inland position gives drier air and more clear nights than the coast, a meaningful advantage, though both regions sit under the oval.

When should I visit Alta?+

From September to early April. The deep winter months give the longest hours of darkness.

How cold does it get?+

Alta's inland climate is colder than coastal Tromsø, often well below -10 °C in winter, so warm layered clothing is essential.

Can I see the aurora on a quiet night?+

Yes. Alta sits high under the auroral oval, so displays are possible even when geomagnetic activity is only modest.

Source: NOAA SWPC · OVATION Model · Open-Meteo · Updated every 60s