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Rule Moonlight

Crested Butte - Moonlight - Rocky Mountains

Crested Butte, Colorado, United States

Bright moon illuminating nighttime landscapes

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in America/Denver
brightmoonlight weather icon
Next opportunity
Good Moonlight (high)
Crested Butte
Today · 21:00–22:00 · 1h window
Medium confidence
65%
🌕Moon Illumination70.7%
☁️Total Cloud Coverage5.4%
brightmoonlight weather icon
Good Moonlight
Crested Butte
Today · 23:00–02:00
🌕Moon Illumination:70.7%
Medium
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Bright Moonlight
Crested Butte
Tue, May 26 · 22:00–03:00
🌕Moon Illumination:86.8%
Low
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Brilliant Moonlight
Crested Butte
Wed, May 27 · 21:00–03:00
🌕Moon Illumination:93.1%
Medium
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Brilliant Moonlight
Crested Butte
Thu, May 28 · 21:00–03:00
🌕Moon Illumination:97.1%
Low
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Brilliant Moonlight (low)
Crested Butte
Mon, Jun 1 · 24:00–04:00
🌕Moon Illumination:98.8%
Low

What this forecast looks for

Plain-language explanation from the rule

This forecast tracks exceptional moonlight photography conditions in the Rocky Mountains. We combine moon phase, lunar elevation, cloud cover, and snow coverage to predict when alpine landscapes will transform under full moon illumination.

The Rockies offer moonlight photography opportunities unlike anywhere else in North America. High-altitude locations mean moonlight passes through less atmosphere, creating brilliant illumination. Fresh snow amplifies lunar light dramatically, and the region's numerous alpine lakes provide perfect reflections. Colorado's dry climate means clearer skies more often than coastal mountains.

What makes the Rocky Mountains special for moonlight photography:

  • High elevation advantage - Locations above 10,000 feet mean exceptional lunar clarity
  • Snow amplification - Colorado's legendary champagne powder reflects moonlight with exceptional brightness
  • Alpine lake mirrors - Crystal-clear mountain lakes create perfect moonlight reflections
  • Fourteener silhouettes - Dramatic peak profiles against moonlit skies

The Maroon Bells reflected in Maroon Lake under full moon creates one of North America's most spectacular moonlight compositions—snow-covered peaks glowing with lunar light mirrored in still water. Dream Lake in Rocky Mountain National Park offers similar magic with Hallett Peak rising behind. In winter, fresh powder transforms ordinary landscapes into brilliant moonscapes—the same champagne powder prized by skiers reflects moonlight with unusual intensity. Higher elevation locations like Loveland Pass remain accessible and offer expansive views of moonlit peaks. Winter moonlight on fresh snow creates photography opportunities that rival sunrise, with the added advantage of complete solitude.

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72-hour requirements breakdown

What passed or failed, hour by hour
10matching hours in the next 80 hoursJump to next match
AND logic: all conditions required
Meets requirement
Misses requirement
Time
America/Denver
Day/Night Period
Night
Moon Altitude
≥ 15.0°
Moon Illumination
≥ 60.0%
Total Cloud Coverage
≤ 40.0%
Visibility
≥ 8000.0m
Precipitation Chance
≤ 15.0%
Sat, May 23
22:0047°61%17%24134m0%
23:0037°61%5%24135m0%
Sun, May 24
24:0026°61%2.8%24134m0%
01:0015°61%1.7%24134m0%
02:003.4°61%0.5%24134m0%
03:00-8°61%0%24134m0%
04:00-19°61%0%24135m0%
05:00-29°61%0%24134m0%
06:00-38°61%0.3%24135m0%
07:00-44°61%1.2%24135m0%
08:00-47°61%5%24135m0%
09:00-46°61%32%24134m0%
10:00-41°61%48%24134m13%
11:00-33°61%100%24134m26%
12:00-24°61%100%24134m39%
13:00-13°61%89%24135m41%
14:00-2.2°61%79%24134m42%
15:0061%98%24135m44%
16:0020°61%85%24134m48%
17:0031°61%82%24135m52%
18:0040°71%98%24135m56%
19:0047°71%45%24135m37%
20:0052°71%5%24135m19%
21:0051°71%5.4%24135m0%
22:0047°71%81%24134m0%
23:0039°71%3.6%24134m0%
Mon, May 25
24:0030°71%5%24134m0%
01:0019°71%5%24135m0%
02:007.7°71%4.6%24134m0%
03:00-3.8°71%5%24135m0%
04:00-15°71%46%24135m0%
05:00-26°71%100%24134m0%
06:00-36°71%100%24135m0%
07:00-45°71%100%24134m20%
08:00-51°71%100%24134m39%
09:00-53°71%100%24134m59%
10:00-50°71%100%24134m72%
11:00-44°71%100%24135m85%
12:00-35°71%100%24134m98%
13:00-25°71%75%24135m92%
14:00-14°71%100%24134m85%
15:00-2.7°71%100%24135m79%
16:008.4°71%100%24134m79%
17:0019°71%100%23727m79%
18:0029°80%100%24135m79%
19:0037°80%99%24134m58%
20:0043°80%100%24135m38%
21:0046°80%96%23891m17%
22:0045°80%100%18302m19%
23:0040°80%96%24022m21%
Tue, May 26
24:0032°80%34%24135m23%
01:0022°80%91%24134m32%
02:0012°80%100%24135m40%
03:000.37°80%100%24134m49%
04:00-11°80%99%24135m66%
05:00-23°80%100%24134m82%
06:00-34°80%100%24134m99%
07:00-44°80%100%18827m99%
08:00-53°80%99%24135m99%
09:00-58°80%88%24135m99%
10:00-59°80%18%22344m99%
11:00-54°80%88%2566m100%
12:00-46°80%99%17994m100%
13:00-36°80%78%20041m99%
14:00-25°80%58%22088m97%
15:00-14°80%37%24135m96%
16:00-3°80%41%24135m95%
17:007.8°80%46%24135m94%
18:0018°87%51%24135m93%
19:0027°87%47%24135m65%
20:0034°87%44%24135m38%
21:0039°87%40%24135m10%
22:0040°87%28%24135m6.7%
23:0038°87%15%24135m3.3%
Wed, May 27
24:0032°87%2.5%24135m0%
01:0024°87%3.1%24135m1.2%
02:0015°87%3.8%24135m2.3%
03:004.5°87%4.4%24135m3.5%
04:00-6.6°87%13%24135m19%
05:00-18°87%21%24135m34%
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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