Live aurora forecast

Northern lights in Utah tonight

Utah, USA · 48° magnetic latitude · Kp 6-7 threshold

Aurora visibility · Utah
1/9
Unlikely tonight

Kp 1 is well below the Kp 6-7 threshold needed for aurora to be visible from Utah.

QuietStormExtreme
Threshold
Kp 6-7
Magnetic latitude
~48°N
Bz ↓ south
- nT
Solar wind
- km/s
Density
- p/cm³
Cloud
-
Conditions right now: - Kp + Bz + solar wind + cloud + moon

Updated: 20 Jul, 12:55 UTC

7-day outlook for Utah

Today
20 Jul
1
Quiet
Tomorrow
21 Jul
3
Quiet
Wed
22 Jul
3
Quiet
Thu
23 Jul
3
Quiet
Fri
24 Jul
3
Quiet
Sat
25 Jul
3
Quiet
Sun
26 Jul
3
Quiet

Based on CME arrival predictions from NASA DONKI. Arrival times ±6 hours.

auroratonight.space

What Kp is needed here?

Utah sits at a magnetic latitude of approximately 48°N. The Kp index - a global measure of geomagnetic activity on a scale from 0 (quiet) to 9 (extreme storm), updated every 3 hours - needs to reach Kp 6-7 before the auroral oval expands far enough south to be visible from here.

At Kp 6-7, visibility is possible from Utah but skies need to be clear and dark. Cloud cover and light pollution remain the main obstacles even when Kp is high enough.

Plan your viewing

Best dark sky sites near Utah

Light pollution is the biggest obstacle after cloud cover. These sites give you the best dark northern horizon within reach.

Bryce Canyon National Park

Get directions ↗
Bortle 2 270 miles / 4 hr from Salt Lake City

One of the USA's best-known dark sky destinations. Bryce Canyon was designated an International Dark Sky Park in 2019 and sits at 2700 m elevation in the high desert of southern Utah. The hoodoo formations and open plateau give a wide northern horizon with minimal light pollution. Bortle 2 conditions. The park's elevation and dry desert air make for exceptionally transparent skies. About 270 miles from Salt Lake City via I-15 and US-89. The clear, dry Utah plateau atmosphere gives excellent aurora-viewing conditions when activity levels are sufficient.

Natural Bridges National Monument

Get directions ↗
Bortle 1 380 miles / 5 hr 30 min from Salt Lake City

The first International Dark Sky Park designated anywhere in the world (2007). Located in Utah's canyon country near the Colorado border at 1980 m, with Bortle 1-2 conditions. The canyon rims give open sky in all directions with no significant light sources within 80 km. About 380 miles from Salt Lake City. For aurora, the extreme darkness means even a faint display registers clearly on camera. Combine the aurora with the ancient stone bridges and canyon silhouettes for exceptional photography.

Cedar Breaks National Monument

Get directions ↗
Bortle 2 255 miles / 3 hr 45 min from Salt Lake City

A high-elevation amphitheatre at 3200 m on the Markagunt Plateau in southwestern Utah. Cedar Breaks is an International Dark Sky Park with Bortle 2 conditions. The 400 m-deep canyon facing north and east gives dramatic foreground for aurora photography. The thin atmosphere at this altitude significantly increases aurora visibility compared to lower sites. About 255 miles from Salt Lake City. The monument road is usually closed November to late May due to snow at this elevation.

Great Basin National Park (Nevada border)

Get directions ↗
Bortle 1 230 miles / 3 hr 30 min from Salt Lake City

Just across the Utah-Nevada border, Great Basin NP at 2000+ m sits in one of the least light-polluted regions of the lower 48. The Wheeler Peak area reaches 3982 m. Bortle 1 conditions on the valley floor. About 230 miles from Salt Lake City via US-50. For Utah-based aurora chasers willing to cross the border, Great Basin gives the darkest sky within range. The remote Snake Valley gives a completely flat horizon to the north.

When to go

Best time to see the northern lights in Utah

At 48°N magnetic latitude, Utah sits at the lower end of regular aurora territory. Only the deep mid-winter months of November through January offer nights dark enough for aurora to be visible, and only then when a significant geomagnetic storm pushes the auroral oval this far south.

Activity peaks around the September and March equinoxes, when Earth's magnetic field geometry is most favourable for coupling with the solar wind. Events during these two windows tend to produce the strongest displays of the year for observers at Utah's latitude.

Outside November through January, twilight is too bright for aurora viewing even during significant storms. The season is short, but the equinox months on either side of winter can extend it slightly when storm timing aligns.

Up to 8 locations

Utah

USA

Unlikely
Kp 1 need Kp 6-7
Checking darkness…
Colorado

USA

Unlikely
Kp 1 need Kp 6-7
Checking darkness…
Idaho

USA

Unlikely
Kp 1 need Kp 6
Checking darkness…
From the community

Aurora photographs from Utah

Real photos sourced from Wikimedia Commons.

Aurora over UtahAurora over Utah
Aurora over UtahAurora over Utah
Aurora over UtahAurora over Utah
Aurora over UtahAurora over Utah
Questions

Common questions about aurora in Utah

Can you see the northern lights in Utah?
Only during strong-to-major geomagnetic storms. Utah sits at about 48° geomagnetic latitude - the latitude measured from Earth's magnetic poles rather than the equator, which is what governs how far south the aurora reaches. That puts the state south of the usual aurora zone, so it catches the lights only when a storm pushes the band well south, around Kp 6-7. The Kp index is a global measure of geomagnetic activity from 0 (quiet) to 9 (extreme), averaged over each 3-hour window. The state's concentration of International Dark Sky Parks - Bryce Canyon, Natural Bridges, and Cedar Breaks - and dry Great Basin climate help, but expect a red glow low on the northern horizon, usually clearer on a long-exposure camera than to the eye. It took a storm on the scale of the May 2024 G5 event for aurora to reach the Salt Lake Valley.
What Kp is needed for northern lights in Utah?
Around Kp 6-7 from dark sky sites like Bryce Canyon, Natural Bridges, or Cedar Breaks. City sightings from Salt Lake need a storm closer to the May 2024 G5 magnitude. Utah's high-elevation dark sky parks - Bryce at 2700 m, Cedar Breaks at 3200 m - give a small advantage, with thinner atmosphere for the glow to pass through, but the state's geomagnetic latitude is the limiting factor. Because Kp is a 3-hour global average, a forecast reaching Kp 6-7 is worth checking rather than a guarantee.
Can you see aurora from Salt Lake City?
Only during major geomagnetic storms. The surrounding Wasatch Range obstructs northern horizon views from the city, and the valley's light pollution washes out a low arc, so Salt Lake is a poor direct viewing location. For storms reaching Kp 6-7, driving south to Bryce Canyon or west toward the Bonneville Salt Flats (flat horizon, minimal light) is far more productive than trying to view from the metro area. City sightings took a storm on the scale of May 2024's G5.
What is the best dark sky site in Utah for aurora?
Natural Bridges National Monument - the world's first International Dark Sky Park - gives Bortle 1 conditions in a remote canyon setting. Bryce Canyon is more accessible (paved roads, visitor facilities) and gives Bortle 2 at 2700 m. Cedar Breaks at 3200 m is the highest and arguably the clearest atmosphere, but the road closes in winter. For year-round access, Natural Bridges or the Bonneville Salt Flats (different aesthetic, flat horizon) are the most practical options.
When is the best time to see aurora in Utah?
Whenever a strong storm hits. Visibility here is storm-driven and rare, so there is no seasonal calendar that reliably produces aurora. Winter's only real edge is longer dark nights, which gives more hours in which a storm can be caught. Utah's desert climate means clear skies are frequent - the Great Basin sits in a natural rain shadow with low average cloud cover - so weather rarely spoils a good storm. Watch the live storm forecast and head to a dark site when activity is forecast to reach Kp 6-7. Natural Bridges and Bryce Canyon are accessible year-round, though Cedar Breaks closes in winter.
Photograph the aurora

Recommended gear

Tested picks for capturing the aurora on long, cold nights.

As an Amazon Associate, Aurora Tonight earns from qualifying purchases. Affiliate links never influence the forecast or which gear is recommended.

Aurora Tonight

Aurora Tonight

Add to your home screen for instant aurora alerts

Add to your home screen

Tap then Add to Home Screen for instant aurora alerts