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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
Solar Elevation 100% failing
Total Cloud Coverage 100% failing

Currently

Real-time conditions
Kp IndexKp 6 (Minor Storm)
Sun Elevation33.6° (Daylight)
Cloud Cover63%

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
Thu, Jun 4
18:000%33°0%5%24135m
19:000%26°0%5.2%24135m
20:000%19°0%12%24134m
21:000%12°0%45%24135m
22:000%86%41%24135m
23:000%1.1°88%5.1%24134m
Fri, Jun 5
24:000%-3.2°93%5%24135m
01:000%-5.7°79%11%24134m
02:000%-6.4°81%43%24135m
03:000%-5.4°88%21%24135m
04:000%-2.6°57%10%24134m
05:000%1.8°100%11%24134m
06:000%100%41%24135m
07:000%13°94%5%24135m
08:000%20°87%16%24134m
09:000%27°86%33%24135m
10:000%35°50%40%24135m
11:000%41°0%28%24134m
12:000%47°0%74%24135m
13:000%51°0%42%24135m
14:000%52°26%43%24134m
15:000%50°26%47%24134m
16:000%46°42%61%21151m
17:000%40°88%52%22205m
18:000%34°88%63%22196m
19:000%26°62%66%22195m
20:000%19°61%95%6507m
21:000%12°61%100%6399m
22:000%6.2°33%90%1760m
23:000%1.2°33%71%22203m
Sat, Jun 6
24:000%-3.1°33%98%18614m
01:000%-5.6°15%100%647m
02:000%-6.3°15%100%526m
03:000%-5.3°15%100%697m
04:000%-2.5°0%89%602m
05:000%1.8°0%74%15100m
06:000%7.1°0%74%1047m
07:000%13°11%77%922m
08:000%20°11%76%766m
09:000%28°11%70%1037m
10:000%35°20%83%22191m
11:000%41°20%100%22195m
12:000%47°20%100%22195m
13:000%51°26%85%22196m
14:000%52°26%84%22196m
15:000%50°26%96%22328m
16:000%46°15%100%22373m
17:000%40°15%77%22197m
18:000%34°15%64%22199m
19:000%26°15%51%22199m
20:000%19°15%73%22200m
21:000%12°15%77%22194m
22:000%6.3°0%82%22201m
23:000%1.3°0%81%22204m
Sun, Jun 7
24:000%-3°0%100%22205m
01:000%-5.5°11%100%19876m
02:000%-6.2°11%100%2048m
03:000%-5.2°11%97%1544m
04:000%-2.4°11%90%16013m
05:000%1.9°11%90%15970m
06:000%7.1°11%86%17897m
07:000%13°11%97%22206m
08:000%20°11%100%22202m
09:000%28°11%100%22199m
10:000%35°0%89%22198m
11:000%41°0%100%22195m
12:000%47°0%100%22196m
13:000%51°11%93%22196m
14:000%52°11%97%22195m
15:000%50°11%89%22195m
16:000%46°0%95%22195m
17:000%41°0%99%22195m
18:000%34°0%100%22196m
19:000%27°0%100%22196m
20:000%19°0%100%22319m
21:000%13°0%100%22247m
22:000%6.4°0%100%22219m
23:000%1.3°0%100%22210m
Mon, Jun 8
24:000%-2.9°0%100%22204m
01:000%-5.4°0%100%22207m
02:000%-6.1°0%100%22209m
03:000%-5.1°0%100%22210m
04:000%-2.4°0%100%22211m
05:000%0%100%14987m
06:000%7.2°0%100%7763m
07:000%13°0%100%539m
08:000%20°0%100%751m
09:000%28°0%100%963m
10:000%35°0%100%1174m
11:000%41°0%100%3849m
12:000%47°0%100%6524m
13:000%51°0%100%9199m
14:000%52°0%100%6480m
15:000%50°0%100%3762m
16:000%46°0%100%1044m
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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