Aurora Tonight Forecast

Your aurora chances tonight, where to look and your best window. Simple, jargon-free, with a red night-vision mode.

Chasing the northern lights? Aurora Tonight answers what really matters, without the jargon: what are my chances tonight, where should I look, and when?

TONIGHT'S SCORE One clear percentage combining geomagnetic activity (NOAA model), horizon visibility, cloud cover, darkness and the moon. Readable at arm's length, even with gloves on.

THE NIGHT, HOUR BY HOUR Clouds, darkness and moon on a chart, with your best window highlighted.

LIVE SIGHTINGS See on the map whether someone near you can see the aurora, and report yours in one tap. Your location is rounded to ~5 km on your iPhone before anything is sent.

LIVE SOLAR WIND Bz, speed and density from NOAA satellites to know when conditions improve.

TRY THE PHOTO Compass and long-exposure guide, then create a share card for your stories.

NIGHT VISION MODE A red interface that keeps your eyes adapted to the dark.

TRIPS & SPOTS Compare the nights of your stay in Lapland, Iceland or Norway and keep your dark-sky places with their score.

WIDGETS Your score on the Home and Lock Screen.

AURORA TONIGHT PRO (optional) • "Someone sees it near you" and "conditions improving now" alerts • Live hunt mode (Live Activity, Dynamic Island) • Trips up to 30 nights with a 27-day solar trend • Unlimited spots, share cards without logo Monthly, yearly (7 days free) or lifetime. Payment is charged to your Apple account at purchase confirmation; subscriptions renew automatically unless cancelled at least 24 hours before the end of the period. Manage them in your Apple account settings.

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Data: NOAA Space Weather Prediction Center and Apple Weather.