See The Northern Lights Tonight: Aurora Forecast
Ever dreamt of witnessing the ethereal dance of the Northern Lights? Predicting the aurora borealis has become increasingly sophisticated, allowing us to chase this celestial spectacle with greater accuracy than ever before. This page offers a comprehensive guide to understanding aurora forecasts and maximizing your chances of witnessing this breathtaking phenomenon.
The aurora borealis, or Northern Lights, are a mesmerizing display of light caused by charged particles from the sun interacting with the Earth's atmosphere. These vibrant displays typically occur at high northern latitudes, but during periods of heightened solar activity, they can be seen much further south. This page provides a detailed prediction of the aurora's visibility for tonight and tomorrow night, utilizing advanced modeling and real-time data. The charts below offer insights into the expected intensity and location of the aurora, allowing you to plan your viewing experience. Animations further down illustrate the aurora's activity over the past 24 hours and project its behavior for the next 30 minutes, providing a dynamic view of this captivating phenomenon.
Phenomenon | Aurora Borealis (Northern Lights) |
---|---|
Cause | Charged particles from the sun interacting with Earth's atmosphere |
Typical Location | High northern latitudes (60-75 degrees) |
Visibility | Dependent on geomagnetic activity (KP index) |
Peak Viewing Time | 10 PM local time |
Reference | NOAA |
Our predictions are based on the OVATION model, a sophisticated system that forecasts the aurora's location and intensity 30 to 90 minutes in advance. This lead time reflects the time it takes for the solar wind, the stream of charged particles from the sun, to travel from the L1 observation point (a satellite located between the Earth and the Sun) to Earth. This model's accuracy allows for precise short-term predictions, crucial for aurora enthusiasts eager to capture the fleeting beauty of the lights.
Understanding the factors that influence aurora visibility is crucial for successful viewing. The KP index, a measure of geomagnetic activity, is a key indicator of aurora strength. A higher KP value signifies a stronger geomagnetic storm and increased likelihood of visible auroras further south. During average activity, auroral displays are concentrated overhead at high northern or southern latitudes. However, during extreme events like the one in May 2024, the aurora borealis reached as far south as India, Morocco, and Mexico, while the aurora australis was seen as far north as Perth, Australia, Argentina, and Namibia. The May 2024 event underscores the dynamic nature of the aurora and the potential for extraordinary displays even in unexpected locations.
For those in North America, this page offers specific predictions for the intensity and location of the aurora borealis tonight and tomorrow night. We provide the daily maximum expected global geomagnetic conditions (KP) for the next 27 days, offering a long-range forecast to aid in planning future aurora viewing trips. These predictions are updated weekly by the NOAA Space Weather Prediction Center (SWPC), ensuring you have access to the most current information. An interactive map highlights the best locations for viewing the Northern Lights tonight, pinpointing areas with optimal viewing conditions based on real-time data. To accurately predict when and where you can see the Northern Lights, we track three essential measurements: the KP index, the Hemispheric Power Index (HPI), and the Interplanetary Magnetic Field (Bz).
The optimal time for viewing the aurora is between 10 PM and 2 AM local time, according to NOAA. Minimizing light pollution is crucial for a clear view, and traveling as far south as possible within the auroral oval enhances your chances of witnessing this spectacular display. The best viewing locations are under an oval-shaped region between the north and south latitudes of approximately 60 and 75 degrees. At these polar latitudes, the aurora can be observed more than half the nights of the year, offering ample opportunities for witnessing this natural wonder. The NOAA maintains an aurora dashboard, a valuable resource for skygazers tracking the phenomenon.
The geomagnetic storms that trigger the aurora borealis pose a limited threat to communications but offer a stunning celestial spectacle. The "peak phase" years of the solar cycle are especially promising for aurora viewing, with increased solar activity leading to more frequent and intense displays. The OVATION aurora forecast model, providing a 30-minute forecast, is particularly useful for short-term predictions. Forecasters suggest that the aurora borealis could be "bright and active" on Sunday night, potentially dazzling much of the U.S. This real-time, minute-by-minute forecast utilizes the NOAA KP planetary index and OVATION map, offering the latest information on geomagnetic conditions.
Experienced aurora enthusiasts look for specific indicators in the data. A thick aurora band on the map with areas of light yellow, orange, or even red signals a higher likelihood of a vibrant display. A negative Bz value is another positive sign, indicating favorable conditions for aurora formation. For those in northern regions where aurora sightings are common, a power reading above 20 GW suggests naked-eye visibility. Values above 50 GW indicate greater visibility further south, and anything above 100 GW promises an extraordinary spectacle. Regions such as northeast Washington, northern Idaho, Montana, North Dakota, Minnesota, and Wisconsin are often favored locations for aurora viewing due to their latitude and typically clear night skies.
Remember, clear and cloud-free skies are essential for observing the aurora. With the tools and information provided on this page, you can maximize your chances of witnessing the magic of the Northern Lights.

