Northern Lights Tonight: Where Auroras May Be Visible

Multiple coronal mass ejections (CMEs) may increase the chance of seeing the northern lights across parts of the United States tonight and through the weekend. The best opportunities are expected across northern states, although a strong geomagnetic storm could push the aurora farther south.

Reports describe a series of solar eruptions traveling toward Earth. One report refers to four Earth-directed CMEs and possible auroras as far south as Illinois and Oregon during the night of June 4, 2026. Another describes three CMEs. A separate report links an X-class solar flare and an Earth-directed CME to possible auroras during the July 4 weekend (Source 1, Source 3, Source 5).

Forecast timing remains uncertain. Check NOAA’s latest Space Weather Prediction Center forecast before traveling, then review local cloud cover after dark.

What Is Driving the Aurora Forecast?

Multiple CMEs Are Traveling Toward Earth

A CME is a large release of magnetized plasma from the Sun. When it reaches Earth, its magnetic field can interact with the magnetosphere, producing geomagnetic storms and intensifying the auroral oval—the region where northern lights are most likely to appear.

Several CMEs arriving close together could produce stronger or longer-lasting geomagnetic activity. They may also interact while traveling through space, making their timing and intensity more difficult to predict.

The reports do not give one consistent CME count. The most accurate description is a series of incoming solar eruptions until an updated official forecast confirms the total.

A strong CME can expand the auroral oval away from the polar regions, creating viewing opportunities across northern Washington, Montana, North Dakota, Minnesota, Wisconsin, Michigan, northern New York, Maine and other northern locations. However, a CME does not guarantee a dramatic display. It must reach Earth with sufficient energy and a magnetic orientation that efficiently transfers energy into Earth’s magnetic field.

An X-Class Flare May Increase Geomagnetic Activity

An X-class flare is the most powerful category of solar flare. Flares release intense radiation that can affect radio communications, navigation systems and space-based technology.

A CME is different: it sends plasma and magnetic fields through space. A flare and CME can occur together, but the flare itself does not create visible auroras in the same way an Earth-directed CME can.

One report connects an X-class flare with an Earth-directed CME and possible auroras during the July 4 weekend (Source 7). Not every X-class flare produces auroras visible from the United States. The CME’s direction, speed, density and magnetic orientation remain decisive.

Where Could the Northern Lights Be Visible?

Northern States Have the Best Chances

If the CMEs produce moderate or strong geomagnetic activity, the best viewing chances may occur in:

• Alaska
• Northern Washington and Idaho
• Montana
• North Dakota
• Minnesota
• Wisconsin
• Michigan
• Northern New York
• Vermont, New Hampshire and Maine

Auroras generally appear brighter and higher in the sky at higher latitudes. Farther south, they may remain a faint arc near the northern horizon.

Visibility can vary within one state. A dark rural location may provide a clear view while nearby city lights obscure the same aurora. Clouds can create major differences between communities only a few miles apart.

The Aurora Could Reach Illinois and Oregon

A forecast associated with the reported June 4, 2026 event suggested that auroras could be visible as far south as Illinois and Oregon (Source 3). This does not mean every location in those states will see bright, overhead curtains. Southern observers may see only a faint glow near the northern horizon, and the viewing window may last only a few minutes.

Light pollution, haze, moonlight and trees can make a faint display difficult to detect. Choose a location with an unobstructed northern horizon and check real-time conditions before leaving home.

Geomagnetic Storm Strength Matters

The Kp index measures geomagnetic activity on a scale from 0 to 9. Higher values generally indicate that the auroral oval may expand farther from the poles.

Kp is not a guarantee. The oval can shift, local magnetic conditions can vary and short-term solar-wind changes can alter the display quickly. Use NOAA regional aurora maps, real-time alerts and local weather forecasts together.

When Should You Look?

Auroras require darkness, so the most useful viewing period is generally from late evening through early morning. The exact peak depends on when a CME reaches Earth and how the magnetosphere responds.

Displays often arrive in bursts. The sky may remain quiet for an hour before brightening suddenly, and activity may last several minutes or several hours. Check conditions more than once.

CME arrival times are estimates. The weekend forecast may change as the material moves through space and new solar-wind measurements become available. Treat it as a planning window, not a guaranteed show.

How to Check Whether the Aurora Is Active

NOAA’s Space Weather Prediction Center provides:

• Geomagnetic storm watches and warnings
• Aurora forecasts
• Solar-wind observations
• Current geomagnetic activity
• Short-term space-weather updates

Pair official space-weather information with an hourly local weather forecast. Strong geomagnetic activity cannot overcome thick cloud cover. Check the date and time attached to every alert or image because older aurora photographs are often reposted during new solar events.

Useful real-time indicators include:

• A rising Kp value
• A stronger auroral oval on a live map
• A geomagnetic storm warning
• Current reports from locations at similar latitudes
• Clear skies near the northern horizon

Smartphone cameras may record green, red or purple tones before the human eye detects strong color, particularly at lower latitudes.

Best Places to Watch

Choose a dark location away from city lights, such as a state park, legal rural parking area, lakeshore, open field or designated dark-sky site. A clear northern horizon is especially important for observers farther south.

Do not trespass, stop in traffic lanes or use unsafe roadsides. Follow park closing times and local regulations.

Before leaving, check:

• Hourly cloud cover
• Fog and haze
• Precipitation
• Smoke conditions
• Visibility
• Moonrise and moon brightness
• Wind and road conditions

How to Photograph the Aurora

For a smartphone, use night mode, disable the flash and stabilize the phone with a tripod or solid surface. A timer can reduce movement. Take several exposures because auroral brightness and shape can change quickly.

For a dedicated camera, useful starting points include:

• A wide-angle lens
• A large aperture
• A high ISO
• A shutter speed of several seconds
• Manual focus near infinity

Use a shorter shutter speed for rapidly moving auroras and a longer exposure for faint, stable displays. Review focus and exposure throughout the session.

What the Aurora May Look Like

Auroras may appear as a green or reddish glow, arcs, vertical rays, rippling curtains or moving bands. Oxygen commonly produces green and red light, while nitrogen can contribute blue and purple tones.

A forecast indicates an opportunity, not a guaranteed wall of bright curtains. Many observers may see a low glow or pale arc rather than vivid colors. Human eyes are less sensitive to color in darkness than cameras, so a faint aurora may look gray or white in person but appear green or purple in a photograph.

Safety Tips

Bring warm layers, gloves, a hat, water, snacks, a charged phone, a red-light flashlight, a chair or blanket and extra batteries or a portable charger. Waiting may take several hours.

Tell someone where you are going. Check road conditions, fuel your vehicle or charge it fully, and follow local rules. Avoid distracted driving, unsafe terrain, private property and dangerous stopping areas. Aurora viewing is not worth risking a collision, injury or exposure to severe weather.

Bottom Line

Multiple CMEs are reportedly approaching Earth, increasing the chance of northern lights across northern parts of the United States. Stronger geomagnetic activity could push the aurora farther south, with one cited forecast identifying Illinois and Oregon as possible southern limits for the reported June 4, 2026 event.

The CME reports refer to different forecast windows and should not be treated as one confirmed event. Before traveling, check NOAA’s latest Space Weather Prediction Center forecast, local cloud cover and visibility, a dark site with a clear northern view and real-time aurora activity after nightfall.

Frequently Asked Questions

Can I see the northern lights tonight in the United States?

Possibly. The best chances are in northern states if the CMEs produce strong geomagnetic activity and skies remain clear. The viewing area depends on the forecast, darkness, cloud cover and light pollution.

How far south could the aurora be visible?

One cited forecast projected possible visibility as far south as Illinois and Oregon during the reported June 4, 2026 event. At those latitudes, the aurora may appear as a faint glow near the northern horizon.

What time is best to see the northern lights?

Look after dark, particularly during the late evening and early morning. Activity can occur in short bursts, so monitor conditions throughout the night.

Do four CMEs mean the aurora will definitely appear?

No. Visibility also depends on speed, arrival timing, magnetic orientation and the geomagnetic response. Clouds, moonlight and light pollution can prevent viewing even during a strong storm.

Can I see the aurora with my phone?

Yes. Use night mode, disable the flash and stabilize the phone with a tripod or solid surface. A camera may capture colors that appear faint to the naked eye.

Where should I check the latest aurora forecast?

Check NOAA’s Space Weather Prediction Center for official space-weather information. Pair it with a local hourly cloud forecast and verify that alerts and photographs are current.