Northern Lights in Michigan
Live NOAA aurora forecast, interactive viewing-location map, and your personalized viewing odds for the Upper Peninsula and Lake Superior
The aurora borealis is visible from Michigan more often than most Michiganders realize. The Upper Peninsula, particularly the Keweenaw Peninsula and the Lake Superior north shore, sees minor displays multiple times per month during the active years of the solar cycle. We are still within the high-activity window of Solar Cycle 25, which means aurora viewing odds are as good as they will be for another decade.
The tool below pulls live data from the NOAA Space Weather Prediction Center: planetary K-index forecast, real-time solar wind magnetic field measurements (the Bz component is the actual predictor of aurora activity, often a better signal than Kp alone), and the auroral oval image. The map is interactive. Click any viewing location for detail, use the "find best viewing for me" button to get distance-sorted recommendations from your position, and the page auto-refreshes every 10 minutes so the data stays current.
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3-Day Kp forecast · NOAA SWPC
Find the best viewing for your location
Click below to share your location. The tool calculates straight-line distance to each viewing site, ranks them, and tells you what Kp threshold you would need to see aurora from each one based on geomagnetic latitude.
Distance from your location
Viewing Locations
Click any marker for site detail. Markers are colored by Bortle dark-sky rating (darker = better aurora viewing). The Keweenaw, Lake Superior Provincial Park, and Whitefish Point are the three highest-leverage locations for serious aurora viewing.
Northern Hemisphere Auroral Oval · NOAA SWPC
The Kp Scale
The Kp index measures geomagnetic disturbance on a 0 to 9 scale. Higher Kp means the aurora oval has expanded south. The current peak forecast Kp is highlighted below.
Kp 4. Active conditions. Aurora visible low on the northern horizon from the northernmost Upper Peninsula on clear, moonless nights. Photography can capture color the eye does not see.
Kp 5 (G1 storm). Aurora reliably visible from the Upper Peninsula with the naked eye. This is when you should be paying attention.
Kp 6 (G2 storm). Strong UP visibility. Aurora may dance overhead at the northernmost locations. Visible low on the horizon from the northern Lower Peninsula on clear nights.
Kp 7 (G3 storm). Aurora visible across the entire Lower Peninsula. Bright overhead displays from the UP. The kind of night that makes the news.
Kp 8-9 (G4-G5). Rare. Aurora visible across most of the continental United States. Once-per-cycle events.
Where to Watch
The list below complements the map above. Ordered roughly by darkness and northern-horizon access. Use the geolocation tool to get distance-sorted recommendations from your specific position.
Keweenaw Peninsula
Lake Superior Provincial Park (Ontario)
Whitefish Point
Pictured Rocks National Lakeshore
Headlands International Dark Sky Park
Marquette area
Porcupine Mountains Wilderness
Sleeper State Park, Caseville
Best Months and Times
The fall and spring equinox periods (March through April and September through October) produce statistically more aurora activity due to favorable Earth-Sun magnetic alignment. The Russell-McPherron effect roughly doubles the probability of significant geomagnetic activity during these windows. Midsummer is the worst aurora viewing in Michigan, not because the aurora is less active but because Michigan does not get truly dark in June or July.
Aurora Photography Basics
The Science, Briefly
The aurora is produced when charged particles from the Sun (carried in the solar wind and the coronal mass ejections that periodically erupt from sunspots) reach Earth and are channeled along magnetic field lines into the upper atmosphere. The particles collide with atoms of nitrogen and oxygen at 60 to 200 miles altitude. The collisions excite the atoms; as they return to ground state they emit light, primarily the green of excited oxygen at 558 nanometers and the red of excited oxygen at higher altitudes. Purple and pink at the bottom edge of curtains come from nitrogen.
The Kp index measures the global geomagnetic disturbance in three-hour intervals. The Bz component of the solar wind magnetic field is a better near-term predictor: when Bz is strongly southward (large negative values, typically below minus 10 nanoteslas), aurora is much more likely in the next 30 to 60 minutes regardless of what the Kp forecast said earlier. Solar Cycle 25 reached solar maximum in late 2024 and is now declining toward the next minimum around 2030. 2026 is still well within the high-activity window.
Common Questions
How often can I see the aurora from Michigan?
From the Upper Peninsula: Minor displays multiple times per month during solar maximum years. Substantial displays roughly monthly. Major displays visible to the naked eye 3 to 6 times per year. From the Lower Peninsula: Substantial displays 4 to 8 times per year during solar max, fewer at solar minimum.
What does Kp need to be for me to see aurora from where I am?
Rough rule of thumb: Kp 5 (G1) from the UP, Kp 6 (G2) from the northern LP, Kp 7 (G3) from central and southern LP, Kp 8 (G4) for anywhere south of Detroit. The geolocation tool above calculates your specific threshold based on geomagnetic latitude.
Why is Bz important?
The Bz is the north-south component of the solar wind's magnetic field. When Bz is strongly southward (negative), it couples with Earth's magnetic field and allows energy transfer into the magnetosphere, driving aurora. A G1 storm (Kp 5) with Bz of negative 15 nT will produce far more spectacular aurora than a G1 storm with Bz of zero. Watch the Bz panel above as your most reliable short-term indicator.
How accurate is the 3-day Kp forecast?
The 24-hour forecast is reasonably accurate. The 48 and 72-hour forecasts are less reliable. The NOAA 30-minute forecast (linked in external resources) is the most accurate near-term tool. Solar wind data (Bz, speed) is the leading indicator of aurora activity at the present moment.
Can I see colors with my eyes?
At Kp 5 or higher, yes. The classic green band is the most visible color to the naked eye. Red and purple may show in photos but be subtle to the eye. At Kp 7+ the colors become unambiguous.
Will the notification feature work for me?
If you enable notifications using the button at the top of the page, your browser will alert you when the live Kp data crosses 5 (G1 storm threshold) while you have the page open. For background alerts when the page is not open, third-party services like SpaceWeatherLive or AuroraAlerts apps are required.