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Rule Northern Lights

Coldfoot - Northern Lights - Alaska

Coldfoot, Alaska, United States

Northern Lights photography conditions - combines aurora activity levels with clear skies and proper darkness for optimal viewing.

Currently

Real-time conditions
Kp IndexKp 4 (Unsettled)
Sun Elevation3.4° (Golden hour)
Cloud Cover4%

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in America/Anchorage
aurora weather icon
Next opportunity
Good Chance of Aurora
Coldfoot
Today · 19:00–20:00 · 1h window
Medium confidence
63%
🌌Aurora Quality79.2%
Kp Index: Kp 4 (Unsettled)
Sun Elevation: -9.6° (Nautical twilight)
Cloud Cover: 0%
aurora weather icon
Excellent Chance of Aurora
Coldfoot
Today · 20:00–21:00
🌌Aurora Quality:85.2%
Medium
aurora weather icon
Good Chance of Aurora
Coldfoot
Fri, Feb 20 · 02:00–03:00
🌌Aurora Quality:77.7%
Medium
aurora weather icon
Excellent Chance of Aurora
Coldfoot
Fri, Feb 20 · 03:00–07:00
🌌Aurora Quality:91.4%
Low
aurora weather icon
Excellent Chance of Aurora at Dawn
Coldfoot
Fri, Feb 20 · 07:00–08:00
🌌Aurora Quality:89.5%
Medium
aurora weather icon
Good Chance of Aurora
Coldfoot
Fri, Feb 20 · 19:00–01:00
🌌Aurora Quality:77.7-78.1%
Low
aurora weather icon
Excellent Chance of Aurora
Coldfoot
Mon, Feb 23 · 20:00–02:00
🌌Aurora Quality:80.8-95%
Low

What this forecast looks for

Plain-language explanation from the rule

This forecast answers the question every aurora photographer asks: "Can I actually see the aurora tonight?" Unlike simple Kp forecasts, we combine NOAA's OVATION aurora model with real-time cloud cover, visibility, and darkness data to predict true viewing conditions.

Alaska's interior sits directly under the auroral oval, making it one of the world's most reliable aurora viewing destinations. Fairbanks, in particular, experiences aurora activity on roughly 240 nights per year—more than almost anywhere else accessible by road.

What makes Alaska special for aurora photography:

  • Auroral oval position - Fairbanks sits at the ideal 65°N latitude, directly under the oval's typical position
  • Extreme darkness - Winter nights can last 18+ hours, maximizing viewing opportunities
  • Dramatic foregrounds - Snow-covered mountains, frozen rivers, and boreal forests create stunning compositions
  • Research heritage - The University of Alaska Fairbanks Geophysical Institute provides world-class aurora forecasting

Best conditions typically occur September through March, with peak activity during the equinox months. The interior's continental climate means clearer skies than coastal areas, though temperatures can plunge well below -30°C. Dress accordingly and keep camera batteries warm.

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72-hour requirements breakdown

What passed or failed, hour by hour
6matching hours in the next 95 hoursJump to next match
AND logic: all conditions required
Meets requirement
Misses requirement
Time
America/Anchorage
Aurora Quality
≥ 50.0%
Solar Elevation
≤ -8.0°
Aurora Activity
≥ 50.0%
Total Cloud Coverage
≤ 30.0%
Visibility
≥ 8000.0m
Sun, Feb 15
10:000%3.1°100%100%1000m
11:000%6.7°100%100%1165m
12:000%9.2°0%100%1303m
13:000%10°80%100%1586m
14:000%10°80%100%1717m
15:000%8.2°100%100%2241m
16:000%5.1°100%100%2516m
17:000%1.1°100%100%2119m
18:000%-4.3°100%100%1888m
19:000%-9.9°100%100%2097m
20:000%-16°100%100%1546m
21:000%-21°100%100%1419m
22:000%-26°96%97%2644m
23:000%-31°94%94%10996m
Mon, Feb 16
24:000%-34°43%65%19833m
01:0066%-35°42%5%24134m
02:0055%-34°40%5%24135m
03:0048%-32°25%5%24134m
04:0095%-29°100%5%24134m
05:0095%-24°100%3.8%24135m
06:0093%-18°95%3.8%24135m
07:0095%-13°99%3.8%24135m
08:0082%-6.9°100%3.7%24134m
09:0065%-1.3°94%3.7%24135m
10:0054%3.4°94%3.7%24134m
11:0044%7.1°94%0.1%24134m
12:000%9.6°26%0%24135m
13:000%11°26%0%24134m
14:000%10°26%0%24134m
15:0034%8.5°80%0%24135m
16:0042%5.4°80%0%24135m
17:0052%1.4°80%0%24134m
18:0065%-4°80%0.1%24135m
19:0079%-9.6°80%0.1%24135m
20:0085%-15°80%3.7%24134m
21:0045%-21°20%5%24135m
22:000%-26°20%66%24134m
23:0038%-30°20%30%24135m
Tue, Feb 17
24:0031%-33°20%38%24134m
01:000%-35°20%99%24134m
02:000%-34°20%100%24135m
03:000%-32°9.9%100%24134m
04:000%-28°9.9%100%24134m
05:000%-24°9.9%100%24135m
06:000%-18°6.6%100%24134m
07:000%-12°6.6%100%24134m
08:000%-6.5°6.6%100%24135m
09:000%-0.9°6.6%100%24135m
10:000%3.7°6.6%100%24134m
11:000%7.4°6.6%92%24134m
12:000%9.9°20%5%24135m
13:000%11°20%39%24135m
14:000%11°20%100%24135m
15:000%8.9°20%100%24135m
16:000%5.7°20%99%24134m
17:000%1.7°20%96%24135m
18:000%-3.6°20%92%24135m
19:000%-9.3°20%54%24135m
20:000%-15°20%68%24135m
21:000%-21°20%69%24135m
22:000%-26°20%100%24135m
23:000%-30°20%100%24135m
Wed, Feb 18
24:000%-33°9.9%100%7129m
01:000%-34°9.9%100%1147m
02:000%-34°9.9%99%324m
03:000%-32°9.9%100%171m
04:000%-28°9.9%100%129m
05:000%-23°9.9%100%125m
06:000%-18°0.89%100%125m
07:000%-12°0.89%100%137m
08:000%-6.2°0.89%100%124m
09:000%-0.45°14%100%174m
10:000%4.1°14%100%783m
11:000%7.8°14%99%957m
12:000%10°26%92%911m
13:000%11°26%89%1107m
14:000%11°26%98%920m
15:000%9.2°93%94%714m
16:000%6.1°93%96%693m
17:000%93%98%671m
18:000%-3.3°93%100%650m
19:000%-9°93%100%843m
20:000%-15°93%100%1037m
21:000%-20°93%100%1230m
22:000%-25°93%99%1424m
23:000%-30°93%98%1618m
Thu, Feb 19
24:000%-33°93%98%1813m
01:000%-34°93%98%1439m
02:000%-33°93%99%1066m
03:000%-31°93%100%692m
04:000%-28°93%100%706m
05:000%-23°93%100%721m
06:000%-17°93%100%735m
07:000%-12°93%100%674m
08:000%-5.8°93%100%614m
How to read: colored cells show whether each predicate requirement is met; highlighted rows mean the full rule matched (an opportunity).

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