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Rule Fog Hunter

Passo Rolle - Fog Hunter - Dolomites

Passo Rolle, Trentino-Alto Adige, Italy

Thick, moody fog for atmospheric forest and landscape shots

Currently

Real-time conditions
Fog Probability
0%
Dewpoint Spread1.2°C
Visibility24134 (Clear)
Relative Humidity92%
Wind Speed1.4m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/Rome
fog weather icon
Next opportunity
Moderate Fog
Passo Rolle
Tomorrow · 21:00–22:00 · 1h window
Low confidence
38%
🌫️Fog Probability60.1%
Dewpoint Spread: 0.6°C
Visibility: 7457 (Moderate)
Relative Humidity: 96%
Wind Speed: 0.7m/s (calm conditions)
fog weather icon
Moderate Fog
Passo Rolle
Tomorrow · 23:00–02:00
🌫️Fog Probability:60.1-77.1%
Low
fog weather icon
Moderate Fog
Passo Rolle
Sat, Apr 11 · 03:00–04:00
🌫️Fog Probability:60.1%
Low
fog weather icon
Moderate Fog
Passo Rolle
Tue, Apr 14 · 17:00–19:00
🌫️Fog Probability:73.6-83.7%
Medium
fog weather icon
Moderate Fog at Sunset
Passo Rolle
Tue, Apr 14 · 19:00–21:00
🌫️Fog Probability:64.9-83.6%
Low
fog weather icon
Moderate Fog
Passo Rolle
Wed, Apr 15 · 04:00–05:00
🌫️Fog Probability:61.4%
Low
fog weather icon
Dense Fog (sunbreaks) at Dawn
Passo Rolle
Wed, Apr 15 · 05:00–06:00
🌫️Fog Probability:100%
Medium
+3 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
5matching hours in the next 92 hoursJump to next match
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Europe/Rome
Fog Probability
≥ 60.0%
Wed, Apr 8
06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
12:000%
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:0032%
21:000%
22:000%
23:000%
Thu, Apr 9
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%
18:000%
19:000%
20:000%
21:000%
22:000%
23:000%
Fri, Apr 10
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%
18:000%
19:000%
20:0033%
21:0060%
22:0043%
23:0077%
Sat, Apr 11
24:0065%
01:0060%
02:0052%
03:0060%
04:0045%
05:0044%
06:000%
07:0043%
08:000%
09:000%
10:000%
11:000%
12:000%
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:000%
22:000%
23:000%
Sun, Apr 12
24:000%
01:000%
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
Clear Sky Probability (Ensemble)
%
Dew Point
°C
Rainfall
mm
Relative Humidity
%
Snowfall
cm
Solar Elevation
°
Temperature
°C
Total Precipitation
mm
Vapor Pressure Deficit
kPa
Visibility
m
Wind Gusts
m/s
Wind Speed
m/s
Thu, Apr 9 Sunrise 06:37 Sunset 19:51
03:00 ☾
99% 1.2°C 0mm 92% 0cm -31° 2.4°C 0mm 0.06kPa 24134m 1.2m/s 1.4m/s
04:00 ☾
99% 1.1°C 0mm 93% 0cm -25° 2.1°C 0mm 0.05kPa 24135m 1.3m/s 1.5m/s
05:00 ☾
98% 0.9°C 0mm 93% 0cm -17° 1.9°C 0mm 0.05kPa 24135m 1.3m/s 1.6m/s
06:00 ☾
97% 0.6°C 0mm 92% 0cm -7.1° 1.7°C 0mm 0.05kPa 24135m 1.3m/s 1.5m/s
07:00
96% 0.2°C 0mm 91% 0cm 3.2° 1.5°C 0mm 0.06kPa 24134m 1.3m/s 1.5m/s
08:00
95% 1.4°C 0mm 83% 0cm 13° 4°C 0mm 0.14kPa 24134m 1.4m/s 1.2m/s
09:00
85% 1.7°C 0mm 69% 0cm 24° 6.9°C 0mm 0.31kPa 24134m 1.5m/s 0.68m/s
10:00
74% 1.2°C 0mm 58% 0cm 33° 9.1°C 0mm 0.49kPa 24135m 2m/s 0.74m/s
11:00
64% 0.2°C 0mm 48% 0cm 42° 11°C 0mm 0.68kPa 24134m 2.5m/s 1m/s
12:00
56% -0.4°C 0mm 43% 0cm 48° 12°C 0mm 0.79kPa 24135m 3.5m/s 1.4m/s
13:00
48% -0.3°C 0mm 42% 0cm 51° 12°C 0mm 0.83kPa 24135m 4.4m/s 1.6m/s
14:00
40% 0.4°C 0mm 44% 0cm 50° 12°C 0mm 0.81kPa 24135m 4m/s 1.5m/s
15:00
28% 0.7°C 0mm 46% 0cm 45° 12°C 0mm 0.76kPa 24135m 3.9m/s 1.8m/s
16:00
15% 1.2°C 0mm 50% 0cm 38° 11°C 0mm 0.67kPa 24134m 4.1m/s 2.1m/s
17:00
3% 1.5°C 0mm 54% 0cm 28° 10°C 0mm 0.59kPa 24135m 3.7m/s 1.8m/s
18:00
3% 3.2°C 0mm 68% 0cm 18° 8.9°C 0mm 0.37kPa 24134m 1.9m/s 1.9m/s
19:00
2% 3.9°C 0mm 82% 0cm 8.2° 6.9°C 0mm 0.18kPa 24134m 1.5m/s 1.1m/s
20:00 ☾
2% 3.1°C 0mm 92% 0cm -2° 4.3°C 0mm 0.07kPa 24135m 0.91m/s 0.74m/s
21:00 ☾
32% 1.9°C 0mm 86% 0cm -12° 4°C 0mm 0.11kPa 24135m 1.5m/s 1.7m/s
22:00 ☾
61% 0.2°C 0mm 79% 0cm -21° 3.5°C 0mm 0.16kPa 24134m 1.6m/s 2m/s
23:00 ☾
91% -0.7°C 0mm 76% 0cm -28° 3.1°C 0mm 0.18kPa 24134m 1.7m/s 2.1m/s
Fri, Apr 10 Sunrise 06:37 Sunset 19:51
24:00 ☾
92% -1.2°C 0mm 76% 0cm -33° 2.7°C 0mm 0.18kPa 24135m 1.7m/s 2.2m/s
01:00 ☾
93% -1.6°C 0mm 75% 0cm -36° 2.4°C 0mm 0.18kPa 24134m 1.6m/s 1.9m/s
02:00 ☾
94% -2°C 0mm 73% 0cm -35° 2.3°C 0mm 0.19kPa 24135m 1.5m/s 1.9m/s
03:00 ☾
82% -2.5°C 0mm 72% 0cm -31° 2.1°C 0mm 0.2kPa 24134m 1.7m/s 2m/s
04:00 ☾
71% -3.4°C 0mm 68% 0cm -24° 1.8°C 0mm 0.22kPa 24134m 1.8m/s 2.2m/s
05:00 ☾
59% -4.2°C 0mm 65% 0cm -16° 1.6°C 0mm 0.24kPa 24135m 2m/s 2.5m/s
06:00 ☾
48% -5.1°C 0mm 61% 0cm -6.7° 1.5°C 0mm 0.27kPa 24134m 1.9m/s 2.3m/s
07:00
38% -5.5°C 0mm 59% 0cm 3.5° 1.6°C 0mm 0.28kPa 24134m 1.8m/s 2.2m/s
08:00
27% -4.3°C 0mm 55% 0cm 14° 3.9°C 0mm 0.36kPa 24135m 1.5m/s 1.3m/s
09:00
22% -4.1°C 0mm 46% 0cm 24° 6.7°C 0mm 0.53kPa 24134m 1.3m/s 0.62m/s
10:00
16% -3.9°C 0mm 39% 0cm 34° 9.3°C 0mm 0.71kPa 24134m 2.2m/s 0.94m/s
11:00
11% -3.5°C 0mm 37% 0cm 42° 10°C 0mm 0.8kPa 24135m 2.8m/s 1.1m/s
12:00
8% -2.3°C 0mm 38% 0cm 49° 12°C 0mm 0.86kPa 24135m 3.9m/s 1.3m/s
13:00
5% -0.7°C 0mm 42% 0cm 52° 12°C 0mm 0.82kPa 24134m 5.1m/s 1.8m/s
14:00
2% 0.9°C 0mm 48% 0cm 51° 12°C 0mm 0.71kPa 24134m 3.9m/s 2m/s
15:00
1% 2.3°C 0mm 56% 0cm 46° 11°C 0mm 0.57kPa 24134m 3.5m/s 2.4m/s
16:00
1% 3.1°C 0mm 66% 0cm 38° 9.1°C 0.06mm 0.4kPa 22705m 2.8m/s 2.3m/s
17:00
0% 3.4°C 0mm 72% 0cm 29° 8.2°C 0.13mm 0.31kPa 23836m 2.5m/s 2m/s
18:00
0% 3.8°C 0mm 78% 0cm 19° 7.4°C 0.19mm 0.23kPa 24134m 1.2m/s 1.8m/s
19:00
0% 3.8°C 0mm 86% 0cm 8.4° 6°C 0.25mm 0.13kPa 24135m 1.3m/s 1.6m/s
20:00 ☾
0% 3.9°C 0mm 96% 0cm -1.8° 4.6°C 0.25mm 0.04kPa 7485m 1.3m/s 1.2m/s
21:00 ☾
0% 3.8°C 0mm 96% 0cm -12° 4.4°C 0mm 0.04kPa 7457m 0.62m/s 0.69m/s
22:00 ☾
1% 3.7°C 0mm 95% 0cm -20° 4.4°C 0mm 0.04kPa 22410m 0.41m/s 0.31m/s
23:00 ☾
1% 3.7°C 0mm 96% 0cm -28° 4.2°C 0mm 0.03kPa 7695m 0.32m/s 0.33m/s
Sat, Apr 11 Sunrise 06:35 Sunset 19:53
24:00 ☾
1% 3.7°C 0mm 96% 0cm -33° 4.3°C 0mm 0.03kPa 7435m 0.6m/s 0.46m/s
01:00 ☾
1% 3.7°C 0mm 96% 0cm -35° 4.3°C 0mm 0.03kPa 7339m 1m/s 0.89m/s
02:00 ☾
1% 3.6°C 0mm 95% 0cm -34° 4.3°C 0mm 0.04kPa 7252m 1.3m/s 1.1m/s
03:00 ☾
12% 3.4°C 0mm 95% 0cm -31° 4.1°C 0mm 0.04kPa 7230m 1.1m/s 0.84m/s
04:00 ☾
23% 3.2°C 0mm 94% 0cm -24° 4.1°C 0mm 0.05kPa 7261m 0.8m/s 0.72m/s
05:00 ☾
34% 3.1°C 0mm 93% 0cm -16° 4.1°C 0mm 0.05kPa 8991m 0.7m/s 0.52m/s
06:00 ☾
33% 2.6°C 0mm 91% 0cm -6.4° 4°C 0mm 0.07kPa 24135m 0.6m/s 0.47m/s
07:00
31% 1.9°C 0mm 94% 0cm 3.8° 2.7°C 0mm 0.04kPa 24135m 0.92m/s 0.99m/s
08:00
30% 2.1°C 0mm 86% 0cm 14° 4.3°C 0mm 0.12kPa 24135m 0.8m/s 0.42m/s
09:00
30% 2.7°C 0.007mm 82% 0cm 24° 5.6°C 0.06mm 0.16kPa 23843m 1.3m/s 1.3m/s
10:00
29% 3.3°C 0.01mm 78% 0cm 34° 6.8°C 0.13mm 0.22kPa 23550m 1.9m/s 2.2m/s
11:00
29% 3.8°C 0.02mm 74% 0cm 43° 8.1°C 0.19mm 0.28kPa 23258m 2.4m/s 3m/s
12:00
30% 3.7°C 0.01mm 80% 0cm 49° 6.9°C 0.21mm 0.2kPa 23550m 2.4m/s 2.7m/s
13:00
32% 3.5°C 0.007mm 86% 0cm 52° 5.8°C 0.23mm 0.13kPa 23843m 2.3m/s 2.3m/s
14:00
33% 3.3°C 0mm 91% 0cm 51° 4.6°C 0.25mm 0.07kPa 24135m 2.3m/s 1.9m/s
15:00
34% 3.1°C 0mm 91% 0cm 46° 4.4°C 0.17mm 0.07kPa 24135m 2.1m/s 1.7m/s
16:00
34% 2.9°C 0mm 91% 0cm 38° 4.3°C 0.08mm 0.08kPa 24135m 1.8m/s 1.5m/s
17:00
35% 2.7°C 0mm 91% 0cm 29° 4.1°C 0mm 0.08kPa 24135m 1.5m/s 1.3m/s
18:00
33% 2.6°C 0.003mm 90% 0cm 19° 4.1°C 0mm 0.08kPa 19780m 1.6m/s 1.4m/s
19:00
32% 2.4°C 0.007mm 89% 0cm 8.6° 4°C 0mm 0.09kPa 15424m 1.7m/s 1.5m/s
20:00 ☾
30% 2.2°C 0.01mm 88% 0cm -1.5° 4°C 0mm 0.1kPa 11069m 1.8m/s 1.5m/s
21:00 ☾
26% 2.1°C 0.007mm 88% 0cm -11° 3.9°C 0mm 0.1kPa 15424m 1.4m/s 1.2m/s
22:00 ☾
21% 2.1°C 0.003mm 88% 0cm -20° 3.9°C 0mm 0.1kPa 19780m 1m/s 0.87m/s
23:00 ☾
17% 2°C 0mm 88% 0cm -28° 3.8°C 0mm 0.1kPa 24135m 0.63m/s 0.54m/s
Sun, Apr 12 Sunrise 06:34 Sunset 19:54
24:00 ☾
13% 1.7°C 0mm 85% 0cm -33° 4°C 0mm 0.12kPa 24135m 0.71m/s 0.63m/s
01:00 ☾
8% 1.4°C 0mm 82% 0cm -35° 4.1°C 0mm 0.14kPa 24135m 0.78m/s 0.72m/s
02:00 ☾
4% 1.1°C 0mm 80% 0cm -34° 4.3°C 0mm 0.17kPa 24135m 0.86m/s 0.81m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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