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Rule Golden Hour

Castle Junction - Golden Hour - Canadian Rockies

Castle Junction, Alberta, Canada

That magical warm light just after sunrise or before sunset

No opportunities right now
Here’s what usually blocks matches

No Golden Hour opportunities in the next 14 days

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Rule requirements (key thresholds)
Golden Hour · Any Golden Hour Potential · ≥ 80.0% Precipitation Chance · ≤ 5.0% Visibility · ≥ 1000.0m

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

Most common blockers (next 72 hours)
Golden Hour Potential 100% failing
Precipitation Chance 100% failing
Golden Hour 92% failing

Currently

Real-time conditions
Low Cloud Cover65%
Mid Cloud Cover92%
High Cloud Cover100%
Sun Elevation46.3° (Daylight)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in America/Edmonton

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 predicts when the continental divide peaks will catch alpenglow—that magical pink and orange light that makes the Rockies one of the world's premier golden hour destinations. We track clear sky conditions, sun angle, and atmospheric clarity to identify perfect alpenglow windows.

The Canadian Rockies run along the continental divide, with massive peaks rising directly from valley floors. This dramatic topography means the first and last light hits mountains while valleys remain in shadow, creating spectacular contrasts. The high latitude also means golden hour lasts longer than in equatorial regions.

What makes Rockies golden hour exceptional:

  • Continental divide peaks - Massive mountains catch first and last light while valleys remain cool-toned
  • Vermillion Lakes - Classic location where Mount Rundle catches alpenglow with wetland reflections in foreground
  • Castle Mountain - Distinctive layered peak that glows dramatically at sunset
  • Extended duration - Northern latitude means golden hour light lasts 30-60 minutes longer than southern locations

Best photography occurs at classic locations like Vermillion Lakes for sunrise on Mount Rundle, or Two Jack Lake for sunset on Mount Rundle from the east. Summer solstice brings challenges with very early sunrise times (5am), while autumn offers more reasonable timing with fall colors as bonus.

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72-hour requirements breakdown

What passed or failed, hour by hour
0matching hours in the next 86 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
America/Edmonton
Golden Hour
Any
Golden Hour Potential
≥ 80.0%
Precipitation Chance
≤ 5.0%
Visibility
≥ 1000.0m
Fri, Apr 10
22:008.9%0%24135m
23:0012%0%24134m
Sat, Apr 11
24:0011%0%24134m
01:0011%0%24135m
02:0011%0%24134m
03:0011%0%24134m
04:009.3%13%24135m
05:009.4%26%24135m
06:0056%39%24134m
07:0054%0%24134m
08:009.3%0%24135m
09:009.8%0%24135m
10:0010%13%24135m
11:0010%26%24135m
12:0010%39%24135m
13:0010%51%24135m
14:009.6%64%24134m
15:009.7%76%24134m
16:009.8%84%24134m
17:009.7%91%24135m
18:0010%99%24134m
19:009.7%99%24135m
20:0028%100%24135m
21:0059%100%24135m
22:009.7%100%24134m
23:008.2%100%21294m
Sun, Apr 12
24:008.2%100%21051m
01:005.2%95%1985m
02:004%89%150m
03:003.6%84%81m
04:003.6%85%71m
05:003.6%85%113m
06:0022%86%137m
07:0022%90%147m
08:003.6%94%180m
09:003.6%98%312m
10:005.5%98%1419m
11:005.9%99%2085m
12:006.4%100%3017m
13:007.3%99%5446m
14:006.5%98%3570m
15:004.1%98%706m
16:003.6%98%745m
17:005.9%98%4217m
18:005.4%98%2817m
19:005.2%78%1182m
20:0013%59%289m
21:0024%39%208m
22:004%45%269m
23:004%50%574m
Mon, Apr 13
24:005.2%56%1015m
01:006.6%50%7283m
02:009%45%8980m
03:008.2%39%21375m
04:008.2%45%21616m
05:007.8%50%22217m
06:0047%56%21964m
07:0049%65%23631m
08:008.6%73%24135m
09:0012%82%24125m
10:0011%88%18411m
11:0011%93%24047m
12:0010%99%24079m
13:008.3%93%13103m
14:009.5%88%7717m
15:009.8%82%7177m
16:009.5%82%24135m
17:009.5%83%24135m
18:009.5%83%24134m
19:008.9%76%18907m
20:0026%69%13679m
21:0040%62%8452m
22:006.2%71%5948m
23:005.4%80%3444m
Tue, Apr 14
24:003.6%90%939m
01:003.6%92%680m
02:003.6%95%420m
03:003.6%98%161m
04:005.2%98%1768m
05:006.4%99%3376m
06:0041%99%4983m
07:0043%97%6772m
08:007.6%94%8561m
09:008.2%92%10350m
10:008.2%94%14945m
11:009.1%96%19540m
How to read: colored cells show whether each predicate requirement is met; highlighted rows mean the full rule matched (an opportunity).

What does Golden Hour Potential mean?

Inputs that drive the score

This derived score summarizes multiple raw weather signals. The table below shows the supporting inputs hour by hour, so you can see what's pushing the score up or down.

Time
America/Edmonton
Golden Hour
High Clouds
%
Low Clouds
%
Mid-Level Clouds
%
Relative Humidity
%
Total Cloud Coverage
%
Wind Speed
m/s
Sat, Apr 11 Sunrise 06:56 Sunset 20:31
13:00
- 100% 65% 92% 51% 100% 1.3m/s
14:00
- 100% 87% 100% 49% 100% 1.7m/s
15:00
- 94% 81% 80% 52% 97% 1.8m/s
16:00
- 99% 94% 100% 54% 100% 1.9m/s
17:00
- 65% 83% 73% 59% 84% 1.6m/s
18:00
- 88% 76% 68% 61% 88% 1.4m/s
19:00
- 76% 50% 98% 72% 98% 1.3m/s
20:00
- 62% 42% 100% 82% 100% 1.4m/s
21:00
- 94% 8% 70% 87% 98% 1.1m/s
22:00
- 100% 11% 53% 88% 100% 0.82m/s
23:00
- 100% 80% 89% 90% 100% 0.73m/s
Sun, Apr 12 Sunrise 06:54 Sunset 20:33
24:00
- 100% 84% 93% 92% 100% 0.98m/s
01:00
- 100% 77% 99% 95% 100% 1.2m/s
02:00
- 100% 80% 100% 96% 100% 1.2m/s
03:00
- 99% 95% 100% 98% 100% 1.4m/s
04:00
- 48% 100% 100% 99% 100% 1.9m/s
05:00
- 100% 100% 100% 98% 100% 2.4m/s
06:00
- 100% 100% 100% 96% 100% 2.5m/s
07:00
- 100% 100% 100% 95% 100% 2.3m/s
08:00
- 92% 100% 100% 94% 100% 2.2m/s
09:00
- 21% 100% 94% 90% 100% 2.3m/s
10:00
- 70% 100% 87% 84% 100% 2.3m/s
11:00
- 100% 100% 100% 81% 100% 2.3m/s
12:00
- 100% 100% 74% 80% 100% 2.5m/s
13:00
- 100% 96% 100% 79% 100% 2.5m/s
14:00
- 100% 100% 100% 79% 100% 2.5m/s
15:00
- 100% 100% 100% 88% 100% 2.3m/s
16:00
- 100% 100% 100% 92% 100% 2.1m/s
17:00
- 100% 99% 100% 88% 100% 1.7m/s
18:00
- 100% 99% 100% 90% 100% 1.3m/s
19:00
- 100% 100% 100% 95% 100% 1.3m/s
20:00
- 100% 100% 100% 98% 100% 1.3m/s
21:00
- 99% 100% 8% 98% 100% 1.1m/s
22:00
- 100% 94% 6% 98% 100% 1m/s
23:00
- 100% 83% 5% 97% 100% 0.88m/s
Mon, Apr 13 Sunrise 06:52 Sunset 20:35
24:00
- 100% 98% 5% 98% 100% 0.51m/s
01:00
- 100% 99% 5% 96% 100% 0.64m/s
02:00
- 5% 100% 5% 95% 100% 0.84m/s
03:00
- 85% 100% 28% 94% 100% 0.84m/s
04:00
- 100% 99% 100% 93% 100% 0.96m/s
05:00
- 100% 100% 100% 92% 100% 1.5m/s
06:00
- 100% 99% 100% 92% 100% 1.5m/s
07:00
- 100% 98% 100% 93% 100% 1.3m/s
08:00
- 70% 70% 84% 90% 86% 1.3m/s
09:00
- 5% 67% 6% 84% 67% 1.6m/s
10:00
- 8% 97% 5% 75% 97% 1.9m/s
11:00
- 5% 100% 3% 73% 100% 2m/s
12:00
- 74% 100% 2% 78% 100% 2m/s
13:00
- 57% 100% 50% 78% 100% 2m/s
14:00
- 0% 100% 0% 76% 100% 1.9m/s
15:00
- 11% 99% 5% 70% 99% 1.9m/s
16:00
- 45% 100% 41% 66% 100% 2m/s
17:00
- 100% 27% 98% 68% 100% 2m/s
18:00
- 100% 34% 95% 66% 100% 2.3m/s
19:00
- 99% 38% 89% 75% 99% 2.2m/s
20:00
- 98% 42% 83% 84% 98% 2.1m/s
21:00
- 96% 47% 78% 93% 96% 2m/s
22:00
- 74% 57% 85% 95% 97% 2.2m/s
23:00
- 52% 68% 92% 97% 98% 2.3m/s
Tue, Apr 14 Sunrise 06:50 Sunset 20:36
24:00
- 30% 78% 99% 99% 99% 2.5m/s
01:00
- 22% 85% 99% 97% 100% 2.5m/s
02:00
- 13% 93% 99% 95% 100% 2.6m/s
03:00
- 5% 100% 98% 93% 100% 2.6m/s
04:00
- 37% 100% 99% 83% 100% 3.1m/s
05:00
- 68% 99% 100% 73% 100% 3.5m/s
06:00
- 100% 99% 100% 63% 100% 3.9m/s
07:00
- 100% 99% 100% 63% 100% 4.2m/s
08:00
- 100% 99% 100% 63% 100% 4.5m/s
09:00
- 100% 99% 100% 63% 100% 4.8m/s
10:00
- 100% 68% 100% 62% 100% 4.2m/s
11:00
- 100% 37% 100% 60% 100% 3.6m/s
12:00
- 100% 5% 100% 59% 100% 3m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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