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A selection of states in the northern U.S. may have an opportunity to view the northern lights on Wednesday, according to the National Oceanic and Atmospheric Administration.
The forecast follows a period of geomagnetic storms earlier in the day.
A Kp index of four on a scale of nine was forecast by NOAA for Wednesday night, meaning the northern lights may appear brighter and be more active farther from the poles.
Wednesday’s auroral forecast follows a period of “minor” to “moderate” geomagnetic storms late Tuesday and early Wednesday, though similar geomagnetic activity is not forecast for Wednesday night, according to NOAA.
Calmer auroral activity is forecast through Friday night, NOAA’s three-day forecast suggests, with a maximum Kp index of three and just over two projected for Friday and Saturday nights, respectively.
Northern Canada and Alaska will have a higher likelihood of viewing the northern lights, once the sun sets in the state. A lesser chance is forecast for parts of Washington, Idaho, Montana, North Dakota, South Dakota, Minnesota, Wisconsin, Upper Michigan and Maine. (See map below.)
Wednesday's view line.
It’s recommended to travel to a north-facing, high vantage point away from light pollution sometime between 10 p.m. and 2 a.m. local time, according to NOAA.
If using a regular camera, it’s best to use a wide-angle lens, an aperture or F-stop of four or less and a focus set to the furthest possible setting, photography experts told National Geographic. NOAA also recommends using a tripod to stabilize the image, and if using a smartphone, to disable flash and enable night mode.
The northern lights have been increasingly visible in recent months after activity on the sun’s surface reached a “solar maximum.” This peak, occurring throughout the sun’s 11-year cycle, corresponds with a rise in solar events like coronal mass ejections and solar flares. These events are largely responsible for creating aurora borealis, as molecules of oxygen and nitrogen in the Earth’s atmosphere collide with electrons, causing them to become “excited” before releasing colorful, swirling displays. A recent peak in activity is projected to persist through early 2026, according to estimates from NOAA and NASA.