Low Activity 🌕 100% Updated live

Aurora Forecast for
South Sioux City Tonight

Real-time northern lights conditions for South Sioux City, Nebraska, United States. Latitude 42.5°N · Magnetic latitude 47.0°

Aurora Probability

5%

Low Likelihood

Chance of visible aurora tonight

Best Time

23:00

– 01:00

Optimal viewing window

Kp Index

2

Low

Planetary geomagnetic activity

Cloud Cover

100%

Overcast

Current sky visibility

Aurora

Tonight's Verdict

Low aurora probability in South Sioux City tonight. Check back tomorrow for updated conditions.

🌕 Warning: Bright moonlight (100%) may reduce aurora visibility.

Hourly Forecast

00
00:00 — 5%
01:00 — 5%
02:00 — 5%
03:00 — 5%
04:00 — 5%
05:00 — 5%
06
06:00 — 5%
07:00 — 5%
08:00 — 5%
09:00 — 5%
10:00 — 5%
11:00 — 5%
12
12:00 — 5%
13:00 — 5%
14:00 — 5%
15:00 — 5%
16:00 — 5%
17:00 — 5%
18
18:00 — 5%
19:00 — 5%
20:00 — 5%
21:00 — 5%
22:00 — 5%
23:00 — 5%
00:00 06:00 12:00 18:00 23:00
Time (UTC)Aurora Probability (%)
00:005%
01:005%
02:005%
03:005%
04:005%
05:005%
06:005%
07:005%
08:005%
09:005%
10:005%
11:005%
12:005%
13:005%
14:005%
15:005%
16:005%
17:005%
18:005%
19:005%
20:005%
21:005%
22:005%
23:005%

27-Day Forecast

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Apr 3

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Apr 4

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Apr 5

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About Aurora Viewing in South Sioux City

United States's South Sioux City is positioned at 42.5°N, which means aurora visibility is a possible location during clear nights. You'll need a Kp index of 6+ or higher to spot the lights from this location. Peak aurora activity generally happens between 10 PM and 2 AM, so seek out dark skies for the best chances.

Aurora Hunt provides real-time alerts, cloud cover maps, and aurora probability forecasts specifically for South Sioux City. Download the app to get notified when conditions are perfect for viewing.

Learn More & Prepare

How to Read a Forecast

Master the three core metrics — Kp index, cloud cover, and darkness.

Kp Index Explained

Understand the 0–9 scale that drives predictions and viewing latitudes.

Photography Guide

Settings and smartphone tips to capture stunning aurora photos.

Frequently Asked Questions

Can you see aurora in South Sioux City tonight?
Aurora visibility in South Sioux City depends on geomagnetic activity (Kp index), cloud cover, and darkness. At 42.5°N latitude, South Sioux City typically needs a Kp index of 6+ for visible aurora. Check the real-time forecast above for tonight's conditions.
What time is best to see northern lights in South Sioux City?
The best time to see aurora in South Sioux City is typically between 10 PM and 2 AM local time, when skies are darkest. Aurora can appear any time after astronomical twilight, but peak activity usually occurs around local midnight.
Where to watch aurora in South Sioux City?
For the best aurora viewing in South Sioux City, find a location away from city light pollution with a clear view to the north. Dark areas outside the city center, elevated viewpoints, and spots near water are ideal. Check cloud cover before heading out.
What Kp index is needed to see aurora in South Sioux City?
South Sioux City is at 42.5°N latitude and typically requires a Kp index of 6+ for visible aurora. Higher Kp values mean stronger geomagnetic storms and better aurora visibility, even at lower latitudes.
Is South Sioux City, United States a good place to see northern lights?
South Sioux City can see aurora during strong geomagnetic storms. Located at 42.5°N, aurora is visible when Kp index reaches 6+ or higher.

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