Using Northern Lights Forecast
How to read the forecast, set up alerts, plan a night ahead, and take Pro to a new phone.
How to read tonight's aurora forecast
What the percentage, the verdict and the four bars on the Tonight screen mean, how hour by hour works, and how to use the five-night outlook.
3 min read →HelpAurora alerts: how they work and how to set them up
Get a push notification when the northern lights are worth going out for. How to turn alerts on, what each alert means, and what to check if one doesn't arrive.
3 min read →HelpNight watch and the evening heads-up
Two Pro messages for planning ahead: an evening heads-up a few hours before dark, and night watch, which tells you that afternoon how a night you picked turned out.
2 min read →HelpReporting what you see
How to tell us whether you can see the northern lights, what happens to your report, and why a report of an empty sky helps as much as a bright one.
2 min read →HelpPro, your devices and restore codes
How Pro works without an account: how many devices each plan covers, how to move Pro to a new phone with a restore code, and what happens when a plan ends.
2 min read →HelpInstall the app and turn on notifications
How to add Northern Lights Forecast to your Home Screen on iPhone and Android, and why iPhone needs it for aurora alerts.
2 min read →The ideas behind the numbers: What Is the Kp Index? A Plain-English Guide to Aurora Forecasting, Bz Explained: The Aurora Signal Most Forecasts Ignore and How to Read an Aurora Map: The Oval, Kp, and Your Real Odds.
Still stuck? Go to Settings, then Report a problem.