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Rule Fog Hunter

Passo Giau - Fog Hunter - Dolomites

Cortina d'Ampezzo, Veneto, Italy

Thick, moody fog for atmospheric forest and landscape shots

Currently

Real-time conditions
Fog Probability
100%
Dewpoint Spread0.0°C
Visibility43 (Dense fog)
Relative Humidity100%
Wind Speed0.9m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/Rome
fog weather icon
Next opportunity
Dense Fog
Passo Giau
Today · 14:00–17:00 · 3h window
High confidence
100%
🌫️Fog Probability100%
Dewpoint Spread: 0.0°C
Visibility: 43 (Dense fog)
Relative Humidity: 100%
Wind Speed: 0.9m/s (calm conditions)
fog weather icon
Dense Fog at Sunset
Passo Giau
Today · 17:00–19:00
🌫️Fog Probability:69.4-100%
Medium
fog weather icon
Moderate Fog
Passo Giau
Today · 19:00–23:00
🌫️Fog Probability:63.9-66.7%
Low
fog weather icon
Moderate Fog at Sunrise
Passo Giau
Tomorrow · 07:00–08:00
🌫️Fog Probability:68.1%
Medium
fog weather icon
Moderate Fog (sunbreaks) at Sunset
Passo Giau
Tue, Mar 17 · 18:00–19:00
🌫️Fog Probability:63.9%
Medium
fog weather icon
Moderate Fog
Passo Giau
Wed, Mar 18 · 19:00–21:00
🌫️Fog Probability:63.9%
Low
fog weather icon
Dense Fog
Passo Giau
Sat, Mar 21 · 22:00–03:00
🌫️Fog Probability:76.4-97.2%
High
+5 more windows in the next 10 days

What this forecast looks for

Plain-language explanation from the rule

This forecast tracks the dramatic conditions that make the Dolomites one of the world's most photogenic mountain ranges. We combine fog probability, cloud cover, and visibility data to predict when alpenglow, valley fog, and dramatic weather create ideal shooting conditions.

The Dolomites' distinctive pale limestone peaks catch sunrise and sunset light in ways no other mountains can match. These UNESCO World Heritage mountains rise dramatically from green alpine meadows and fairy-tale valleys, creating compositions that have drawn photographers for generations.

What makes the Dolomites special for photography:

  • Alpenglow - Pale limestone turns pink, orange, and gold at sunrise and sunset
  • Valley fog - Temperature inversions create ethereal mist in the valleys while peaks glow above
  • Iconic locations - Tre Cime, Seceda, and Santa Maddalena church are bucket-list compositions
  • Alpine meadows - Alpe di Siusi offers Europe's largest high-altitude meadow with mountain backdrops

Best conditions occur at dawn and dusk, with valley fog most reliable in autumn. The Dolomites' vertical relief means conditions can vary dramatically between valley and summit—our forecast helps you choose the right elevation for the best conditions.

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72-hour requirements breakdown

What passed or failed, hour by hour
11matching hours in the next 80 hoursJump to next match
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Europe/Rome
Fog Probability
≥ 60.0%
Sun, Mar 15
05:000%
06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
12:000%
13:000%
14:00100%
15:00100%
16:00100%
17:00100%
18:0069%
19:0067%
20:0067%
21:0064%
22:0064%
23:0060%
Mon, Mar 16
24:0060%
01:0060%
02:000%
03:0060%
04:0060%
05:0060%
06:0060%
07:0068%
08:000%
09:000%
10:000%
11:000%
12:000%
13:000%
14:000%
15:000%
16:000%
17:0033%
18:0032%
19:0030%
20:0060%
21:0060%
22:000%
23:000%
Tue, Mar 17
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
12:000%
13:000%
14:000%
15:000%
16:000%
17:000%
18:0064%
19:0060%
20:0060%
21:0060%
22:0060%
23:0060%
Wed, Mar 18
24:0060%
01:0060%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
12:000%
How to read: colored cells show whether each predicate requirement is met; highlighted rows mean the full rule matched (an opportunity).

What does Fog Probability 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
Europe/Rome
Dew Point
°C
Rainfall
mm
Relative Humidity
%
Snowfall
cm
Temperature
°C
Total Precipitation
mm
Vapor Pressure Deficit
kPa
Visibility
m
Wind Gusts
m/s
Wind Speed
m/s
Sun, Mar 15 Sunrise 06:24 Sunset 18:16
14:00
1.1°C 0mm 100% 0cm 1.1°C 0.06mm 0kPa 43m 1m/s 0.87m/s
15:00
1.2°C 0mm 100% 0cm 1.3°C 0.13mm 0kPa 54m 0.8m/s 0.78m/s
16:00
0.7°C 0mm 100% 0cm 0.74°C 0.13mm 0kPa 237m 0.61m/s 0.32m/s
17:00
0.1°C 0mm 99% 0cm 0.28°C 0.13mm 0.01kPa 863m 0.71m/s 0.27m/s
18:00
-0.6°C 0mm 98% 0cm -0.34°C 0.13mm 0.01kPa 24134m 0.9m/s 0.56m/s
19:00 ☾
-1.4°C 0mm 97% 0cm -0.97°C 0.13mm 0.02kPa 24134m 1m/s 0.98m/s
20:00 ☾
-2.6°C 0mm 96% 0cm -2.1°C 0mm 0.02kPa 24134m 1.1m/s 1.2m/s
21:00 ☾
-4.8°C 0mm 96% 0cm -4.2°C 0mm 0.02kPa 24135m 1.5m/s 1.9m/s
22:00 ☾
-5.8°C 0mm 95% 0cm -5.2°C 0mm 0.02kPa 24134m 1.6m/s 2.1m/s
23:00 ☾
-6.4°C 0mm 94% 0cm -5.6°C 0mm 0.02kPa 23070m 1.6m/s 2.1m/s
Mon, Mar 16 Sunrise 06:24 Sunset 18:16
24:00 ☾
-6.7°C 0mm 93% 0cm -5.7°C 0mm 0.03kPa 24135m 1.6m/s 2.2m/s
01:00 ☾
-6.7°C 0mm 93% 0cm -5.7°C 0mm 0.03kPa 24135m 1.7m/s 2.3m/s
02:00 ☾
-6.8°C 0mm 93% 0cm -5.8°C 0mm 0.03kPa 24135m 1.7m/s 2.3m/s
03:00 ☾
-6.6°C 0mm 93% 0cm -5.6°C 0mm 0.03kPa 24134m 1.8m/s 2.4m/s
04:00 ☾
-6°C 0mm 94% 0cm -5.1°C 0mm 0.03kPa 23439m 1.7m/s 2.3m/s
05:00 ☾
-5.2°C 0mm 94% 0cm -4.3°C 0mm 0.03kPa 16955m 1.8m/s 2.3m/s
06:00 ☾
-4.6°C 0mm 94% 0cm -3.9°C 0mm 0.03kPa 19386m 1.7m/s 2.2m/s
07:00
-4.9°C 0mm 95% 0cm -4.1°C 0mm 0.02kPa 14443m 1.7m/s 2.2m/s
08:00
-2.3°C 0mm 92% 0cm -1.1°C 0mm 0.05kPa 14345m 2.5m/s 1.8m/s
09:00
-0.5°C 0mm 91% 0cm 0.86°C 0mm 0.06kPa 24134m 1.7m/s 1.3m/s
10:00
0.7°C 0mm 90% 0cm 2.1°C 0mm 0.07kPa 24135m 0.81m/s 0.71m/s
11:00
1.4°C 0mm 88% 0cm 3.1°C 0mm 0.09kPa 24135m 0.71m/s 0.56m/s
12:00
1.5°C 0mm 86% 0cm 3.7°C 0mm 0.11kPa 17566m 1.1m/s 0.83m/s
13:00
1.4°C 0mm 82% 0.06cm 4.1°C 0.06mm 0.14kPa 9885m 1.1m/s 1m/s
14:00
1.4°C 0mm 83% 0cm 4.1°C 0.06mm 0.14kPa 15967m 1m/s 0.98m/s
15:00
1.7°C 0mm 84% 0cm 4.1°C 0.19mm 0.13kPa 15663m 0.9m/s 0.75m/s
16:00
2.1°C 0mm 88% 0cm 4°C 0.31mm 0.1kPa 23025m 0.61m/s 0.44m/s
17:00
2.7°C 0mm 97% 0cm 3.1°C 0.5mm 0.02kPa 22404m 0.61m/s 0.55m/s
18:00
-0.5°C 0mm 95% 0cm 0.12°C 0.56mm 0.03kPa 24135m 0.72m/s 0.86m/s
19:00 ☾
-2.3°C 0mm 95% 0cm -1.5°C 0.56mm 0.03kPa 24134m 1.5m/s 1.9m/s
20:00 ☾
-2.4°C 0mm 94% 0cm -1.6°C 0mm 0.03kPa 24134m 1.5m/s 1.9m/s
21:00 ☾
-2.6°C 0mm 93% 0cm -1.7°C 0mm 0.04kPa 24135m 1.7m/s 2.2m/s
22:00 ☾
-2.8°C 0mm 92% 0cm -1.7°C 0mm 0.04kPa 24134m 2.3m/s 2.1m/s
23:00 ☾
-3.4°C 0mm 92% 0cm -2.3°C 0mm 0.04kPa 24135m 2m/s 2.2m/s
Tue, Mar 17 Sunrise 06:22 Sunset 18:18
24:00 ☾
-4.2°C 0mm 93% 0cm -3.2°C 0mm 0.04kPa 24134m 1.7m/s 2.2m/s
01:00 ☾
-5.2°C 0mm 92% 0cm -4.1°C 0mm 0.04kPa 24135m 1.9m/s 2.4m/s
02:00 ☾
-5.4°C 0mm 92% 0cm -4.2°C 0mm 0.04kPa 24134m 1.9m/s 2.4m/s
03:00 ☾
-5.7°C 0mm 92% 0cm -4.6°C 0mm 0.04kPa 24135m 1.9m/s 2.5m/s
04:00 ☾
-5.9°C 0mm 91% 0cm -4.8°C 0mm 0.04kPa 24134m 2.7m/s 2.6m/s
05:00 ☾
-5.8°C 0mm 92% 0cm -4.7°C 0mm 0.04kPa 24135m 3.4m/s 2.7m/s
06:00 ☾
-6.1°C 0mm 92% 0cm -5°C 0mm 0.03kPa 24135m 3.4m/s 2.7m/s
07:00
-5.5°C 0mm 91% 0cm -4.2°C 0mm 0.04kPa 24135m 3.2m/s 2.6m/s
08:00
-3.6°C 0mm 83% 0cm -1.1°C 0mm 0.09kPa 24135m 3.2m/s 2.2m/s
09:00
-2.8°C 0mm 75% 0cm 1°C 0mm 0.16kPa 24135m 2.6m/s 1.9m/s
10:00
-1.9°C 0mm 72% 0cm 2.5°C 0mm 0.2kPa 24134m 2.4m/s 1.6m/s
11:00
-0.6°C 0mm 72% 0cm 3.9°C 0mm 0.22kPa 24134m 2.4m/s 1.3m/s
12:00
0.5°C 0mm 72% 0cm 5°C 0mm 0.24kPa 24134m 2.3m/s 1.1m/s
13:00
1.2°C 0mm 72% 0cm 5.8°C 0mm 0.25kPa 24135m 2.5m/s 1.1m/s
14:00
1.6°C 0mm 72% 0cm 6.3°C 0mm 0.27kPa 24135m 2.2m/s 1m/s
15:00
1.7°C 0mm 74% 0cm 6.1°C 0mm 0.25kPa 24134m 2.2m/s 0.81m/s
16:00
3°C 0mm 82% 0cm 5.9°C 0.06mm 0.17kPa 24134m 2.4m/s 0.62m/s
17:00
3.4°C 0mm 92% 0cm 4.6°C 0.06mm 0.06kPa 24135m 1.3m/s 0.54m/s
18:00
0.6°C 0mm 96% 0cm 1.3°C 0.13mm 0.03kPa 24135m 1.5m/s 1.5m/s
19:00 ☾
-1.7°C 0mm 94% 0cm -0.92°C 0.13mm 0.03kPa 24134m 2.2m/s 2.4m/s
20:00 ☾
-3.3°C 0mm 94% 0cm -2.5°C 0.08mm 0.03kPa 24134m 2m/s 2.2m/s
21:00 ☾
-4.8°C 0mm 94% 0cm -4°C 0.04mm 0.03kPa 24135m 1.9m/s 2.1m/s
22:00 ☾
-6.3°C 0mm 94% 0cm -5.6°C 0mm 0.02kPa 24135m 1.7m/s 2m/s
23:00 ☾
-6.2°C 0mm 95% 0cm -5.5°C 0mm 0.02kPa 24135m 1.7m/s 2m/s
Wed, Mar 18 Sunrise 06:20 Sunset 18:19
24:00 ☾
-6.1°C 0mm 95% 0cm -5.4°C 0mm 0.02kPa 24135m 1.7m/s 1.9m/s
01:00 ☾
-6°C 0mm 95% 0cm -5.3°C 0mm 0.02kPa 24135m 1.7m/s 1.9m/s
02:00 ☾
-4.8°C 0mm 90% 0cm -3.4°C 0mm 0.05kPa 24135m 1.8m/s 1.9m/s
03:00 ☾
-3.7°C 0mm 85% 0cm -1.5°C 0mm 0.08kPa 24135m 2m/s 1.8m/s
04:00 ☾
-2.7°C 0mm 80% 0cm 0.33°C 0mm 0.13kPa 24135m 2.1m/s 1.7m/s
05:00 ☾
-3°C 0mm 73% 0cm 1.2°C 0mm 0.18kPa 24135m 1.9m/s 1.5m/s
06:00 ☾
-3.4°C 0mm 67% 0cm 2.1°C 0mm 0.24kPa 24135m 1.6m/s 1.4m/s
07:00
-4°C 0mm 60% 0cm 3°C 0mm 0.3kPa 24135m 1.3m/s 1.2m/s
08:00
-3.8°C 0mm 61% 0cm 3°C 0mm 0.3kPa 24135m 1.3m/s 1.2m/s
09:00
-3.6°C 0mm 62% 0cm 3.1°C 0mm 0.29kPa 24135m 1.3m/s 1.3m/s
10:00
-3.4°C 0mm 62% 0cm 3.1°C 0mm 0.29kPa 24135m 1.3m/s 1.3m/s
11:00
-4°C 0mm 69% 0cm 1°C 0mm 0.2kPa 24135m 1.2m/s 1.2m/s
12:00
-4.8°C 0mm 76% 0cm -1.1°C 0mm 0.14kPa 24135m 1.2m/s 1.1m/s
13:00
-5.8°C 0mm 82% 0cm -3.2°C 0mm 0.09kPa 24135m 1.1m/s 0.94m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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