Northern Lights in Arizona Tonight
Live aurora forecasts for 5 Arizona locations, the Kp threshold each one needs, and the state's best dark-sky viewing spots.
Reading the solar wind…
Live forecast by city
| City | Eye tonight | Camera tonight | Eye needs | Camera needs | Overhead at | |
|---|---|---|---|---|---|---|
| Flagstaff | … | … | Kp 9.5+ | Kp 9+ | Kp 9.5+ | Live forecast → |
| Scottsdale | … | … | Kp 9.5+ | Kp 9.5+ | Kp 9.5+ | Live forecast → |
| Phoenix | … | … | Kp 9.5+ | Kp 9.5+ | Kp 9.5+ | Live forecast → |
| Mesa | … | … | Kp 9.5+ | Kp 9.5+ | Kp 9.5+ | Live forecast → |
| Tucson | … | … | Kp 9.5+ | Kp 9.5+ | Kp 9.5+ | Live forecast → |
Eye/camera tonight = chance of seeing (or photographing) aurora at some point tonight, from the Kp forecast, cloud forecast, and moon. Camera threshold = the Kp at which a phone night-mode shot picks up aurora your eyes can't see yet.
Best dark-sky viewing spots in Arizona
Flagstaff / Lowell Observatory ↗
Bortle 3The world's first Dark Sky City and the home of Pluto's discovery.
Grand Canyon National Park ↗
Bortle 2Certified Dark Sky Park with rim-side star parties.
Free Arizona sky alerts, no app required
One email when aurora conditions align at your location, plus meteor reminder and go-time emails for peaks worth watching. Web alerts cover one US location per email.
Northern lights in Arizona: FAQ
›Can you see the northern lights in Arizona?
Yes, with the right geomagnetic activity. The best-placed location we track in Arizona is Flagstaff (magnetic latitude 42.2°), which needs roughly Kp 9.5 for aurora on the northern horizon. Displays that strong happen only during rare extreme (G5) superstorms. Every city's live forecast is linked below.
›When is the best time to see the northern lights in Arizona?
September through April, roughly 10 PM to 2 AM local time. Geomagnetic activity statistically peaks around the equinoxes (September/October and March/April), and long dark nights beat summer twilight. We're near the maximum of Solar Cycle 25, so 2026–2027 is prime time.
›Where are the best places to watch aurora in Arizona?
Arizona's standout dark-sky locations are Flagstaff / Lowell Observatory, Grand Canyon National Park, Kartchner Caverns State Park. The recipe anywhere: minimal light pollution and an unobstructed view to the north.
›What Kp index do I need in Arizona?
It varies across the state: Flagstaff needs about Kp 9.5, while Tucson needs about Kp 9.5. Phone cameras capture aurora roughly one Kp level earlier than eyes at every location.