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Rule Northern Lights

Girdwood - Northern Lights - Alaska

Girdwood, Alaska, United States

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

No opportunities right now
Here’s what usually blocks matches

No Northern Lights opportunities in the next 14 days

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Rule requirements (key thresholds)
Aurora Quality · ≥ 50.0% Solar Elevation · ≤ -8.0° Aurora Activity · ≥ 50.0% Total Cloud Coverage · ≤ 30.0%

Tip: Scroll down to the 72-hour table to see exactly which condition fails hour by hour.

Most common blockers (next 72 hours)
Aurora Quality 100% failing
Aurora Activity 100% failing
Total Cloud Coverage 100% failing

Currently

Real-time conditions
Kp IndexKp 4 (Unsettled)
Sun Elevation-8.7° (Nautical twilight)
Cloud Cover100%

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in America/Anchorage

No opportunities in the next 10 days

See the blocker timeline below to understand which conditions are preventing matches.

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
0matching hours in the next 95 hours
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
Wed, May 6
23:000%-4.8°11%94%7250m
Thu, May 7
24:000%-8.9°14%100%10108m
01:000%-11°14%100%2512m
02:000%-12°14%100%960m
03:000%-11°11%100%99m
04:000%-8.1°11%100%99m
05:000%-3.6°11%100%238m
06:000%2.2°11%96%596m
07:000%8.6°15%75%4029m
08:000%16°0%67%19110m
09:000%23°0%70%7875m
10:000%30°0%84%6301m
11:000%36°0%73%8049m
12:000%42°0%96%1275m
13:000%45°0%100%188m
14:000%46°41%100%623m
15:000%45°41%100%1162m
16:000%41°11%100%2251m
17:000%35°11%100%2943m
18:000%28°11%76%22498m
19:000%21°26%70%22768m
20:000%14°26%71%21290m
21:000%7.2°26%96%13824m
22:000%1.1°33%100%13825m
23:000%-4.6°33%100%14802m
Fri, May 8
24:000%-8.7°33%100%14747m
01:000%-11°11%100%967m
02:000%-12°11%100%1298m
03:000%-11°11%100%12024m
04:000%-7.8°26%100%15209m
05:000%-3.3°26%100%22242m
06:000%2.5°26%100%22243m
07:000%8.8°0%100%22370m
08:000%16°0%100%16061m
09:000%23°0%99%24135m
10:000%30°0%96%24135m
11:000%37°0%81%24135m
12:000%42°0%52%24134m
13:000%45°11%99%22227m
14:000%46°11%100%2964m
15:000%45°11%100%4153m
16:000%41°11%100%9633m
17:000%35°11%100%8618m
18:000%29°11%100%3490m
19:000%22°26%100%2236m
20:000%14°26%100%1452m
21:000%7.4°26%100%4828m
22:000%1.4°15%100%13480m
23:000%-4.3°15%100%2958m
Sat, May 9
24:000%-8.4°15%100%3665m
01:000%-11°11%100%3677m
02:000%-12°11%100%3247m
03:000%-10°11%100%1085m
04:000%-7.6°11%100%632m
05:000%-3.1°11%100%335m
06:000%2.7°11%100%252m
07:000%9.1°0%100%74m
08:000%16°0%100%56m
09:000%23°0%100%42m
10:000%30°0%100%37m
11:000%37°0%100%36m
12:000%42°0%100%34m
13:000%46°11%100%32m
14:000%47°11%100%31m
15:000%45°11%100%33m
16:000%41°11%100%35m
17:000%36°11%100%33m
18:000%29°11%100%35m
19:000%22°11%100%34m
20:000%15°11%100%49m
21:000%7.7°11%100%52m
22:000%1.6°0%100%66m
23:000%-4°0%100%75m
Sun, May 10
24:000%-8.1°0%100%68m
01:000%-11°0%100%62m
02:000%-11°0%100%63m
03:000%-10°0%100%58m
04:000%-7.3°0%100%78m
05:000%-2.8°0%100%60m
06:000%2.9°0%100%41m
07:000%9.3°0%100%23m
08:000%16°0%100%23m
09:000%24°0%100%24m
10:000%31°0%100%25m
11:000%37°0%100%37m
12:000%42°0%100%49m
13:000%46°0%99%61m
14:000%47°0%98%70m
15:000%45°0%97%80m
16:000%41°0%96%89m
17:000%36°0%96%127m
18:000%29°0%97%164m
19:000%22°0%97%202m
20:000%15°0%97%236m
21:000%7.9°0%97%271m
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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