Live aurora forecast

Northern lights in Arkansas tonight

Arkansas, USA · 44° magnetic latitude · Kp 7 threshold

Aurora visibility · Arkansas
1/9
Unlikely tonight

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

QuietStormExtreme
Threshold
Kp 7
Magnetic latitude
~44°N
Bz ↓ south
- nT
Solar wind
- km/s
Density
- p/cm³
Cloud
-
Conditions right now: - Kp + Bz + solar wind + cloud + moon

Updated: 20 Jul, 12:56 UTC

7-day outlook for Arkansas

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.

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What Kp is needed here?

Arkansas sits at a magnetic latitude of approximately 44°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 7 before the auroral oval expands far enough south to be visible from here.

At Kp 7, visibility is possible from Arkansas 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 Arkansas

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

Buffalo National River - Boxley Valley area

Get directions ↗
Bortle 2 160 miles / 2 hr 30 min from Little Rock

The first National River designated in the USA, in the Arkansas Ozarks near Jasper and Harrison. The river valley and surrounding ridge country give Bortle 2-3 conditions - among the darkest accessible areas in the state. The north-facing ridges above the Buffalo River give open sky access. At 36.0°N geographic, the northern Arkansas Ozarks sit at the highest latitude in the state. About 160 miles from Little Rock via US-65. The valley floor gives foreground interest and dark sky in equal measure.

Crater of Diamonds State Park area

Get directions ↗
Bortle 3 115 miles / 1 hr 45 min from Little Rock

Near Murfreesboro in southwest Arkansas, the area around the world's only publicly accessible diamond mining site gives Bortle 3 conditions in open farmland and forest. At 34.0°N geographic this is the southernmost major option in Arkansas, and the lowest latitude in the state for aurora watching. Worth mentioning for the novelty - you can dig for diamonds in the day and watch for aurora at night during the strongest storms. About 115 miles from Little Rock.

Ozark National Forest - Sylamore District

Get directions ↗
Bortle 2 115 miles / 1 hr 45 min from Little Rock

In north-central Arkansas near Mountain View, the Ozark National Forest's Sylamore district gives ridge-top positions with Bortle 2-3 conditions. The White River valley and surrounding highland plateaux face north across the rural Ozark uplift. Blanchard Springs Caverns and the adjacent forest give accessible camping and dark sky. About 115 miles from Little Rock via US-65. The Ozark Plateau in this area sits at 500-700 m elevation, which helps marginally with atmospheric depth.

When to go

Best time to see the northern lights in Arkansas

At 44°N magnetic latitude, Arkansas 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 Arkansas'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

Arkansas

USA

Unlikely
Kp 1 need Kp 7
Checking darkness…
Kansas

USA

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

USA

Unlikely
Kp 1 need Kp 6-7
Checking darkness…
From the community

Aurora photographs from Arkansas

Real photos sourced from Wikimedia Commons.

Aurora over ArkansasAurora over Arkansas
Aurora over ArkansasAurora over Arkansas
Aurora over ArkansasAurora over Arkansas
Aurora over ArkansasAurora over Arkansas
Questions

Common questions about aurora in Arkansas

Can you see the northern lights in Arkansas?
Only during the strongest geomagnetic storms. Arkansas sits at about 44 degrees geomagnetic latitude - the latitude measured from Earth's magnetic poles, which is what governs where aurora reaches rather than the geographic latitude on a map. That places the state well south of the aurora zone, so it catches the lights only during major-to-extreme storms, roughly Kp 7 and up. The Kp index is a global measure of geomagnetic activity from 0 (quiet) to 9 (extreme), updated every 3 hours. When it does appear, it is a red glow low on the northern horizon, usually clearer on a long-exposure camera than to the eye, not overhead curtains. It took an extreme storm on the scale of the May 2024 G5 event, which produced aurora across much of the southern US, to reach Arkansas.
What Kp is needed for aurora in Arkansas?
Roughly Kp 7 from genuinely dark sites in the northern Ozarks - Buffalo National River (Bortle 2) and the Ozark National Forest Sylamore District - and higher again from Little Rock. At about 44 degrees geomagnetic latitude the state sits well below the aurora zone, so only major-to-extreme storms produce anything visible. Kp is a 3-hour global average, so a forecast that reaches Kp 7 is worth checking rather than a guarantee. Expect a faint red glow on the northern horizon, not curtains overhead, and dark sky away from town light makes the difference between catching it and missing it.
Has aurora ever been seen from Arkansas?
Yes, during exceptional storms. The May 2024 G5 event produced the strongest geomagnetic storm in two decades and aurora was photographed from multiple points in Arkansas. At about 44 degrees geomagnetic latitude the state needs an extreme storm on that scale, with the glow low on the northern horizon. Storms of that size arrive roughly once per decade, so this is not an annual occurrence. When one does come, a dark northern horizon and a long exposure give the best chance of catching it.
What is the best dark sky site in Arkansas?
Buffalo National River in the northern Ozarks gives Bortle 2 conditions - the state's darkest accessible sky. The valley and ridge positions near Jasper and Boxley Valley sit at the highest geographic latitude in the state (36°N) combined with genuine darkness. Ozark National Forest's Sylamore district near Mountain View is a comparable alternative. Both require about 2.5 hours from Little Rock but give a better chance than any site in the southern half of the state. Since any aurora here sits low to the north, a dark northern horizon matters most.
When is aurora season in Arkansas?
There is no aurora season in Arkansas. Visibility is driven by rare extreme storms, not by a time of year, so there is no useful best-months calendar here. The only edge winter gives is longer dark nights, with clear skies in the Ozarks following cold front passages a help when a storm does come. Rather than planning around a calendar, watch the live storm forecast and be ready to drive north to the Ozarks when a major storm is on the way.
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