Aurora forecast · Premium
Will the aurora reach you, and will the north be clear?
Sky Sync combines NOAA's space-weather forecast with the cloud forecast along your northern horizon, for your latitude.
Free forever · No credit card
Colorado Front Range · Mid-latitude aurora
What it checks
Is the storm strong enough for where you stand?
Latitude-adjusted Kp visibility threshold (know if the auroral oval clears your local horizon).
Is the northern sky clear?
Cloud is checked along the northern horizon, not just overhead.
Will the moon wash it out?
Moonlight is counted against the display.
What kind of display?
Sky Sync names what to expect: an overhead corona, photographic pillars or a glow on the horizon.
What you see
Included in Premium. Every new account starts with 7 days of full Premium. Compare plans →
Related field guides
Forecasting Night Sky Visibility and Scattered Moonlight
Why lunar illumination and horizon cloud cover decide faint night-sky emissions.
Chasing the Clearing Storm
Timing post-frontal clearing windows when northern skies open after a system passes.
Check high-latitude sky conditions
Check tonight before you commit the drive.
Free forever · No credit card