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Rule Fog Hunter

Saas-Fee - Fog Hunter - Alps

Saas-Fee, Valais, Switzerland

Thick, moody fog for atmospheric forest and landscape shots

Currently

Real-time conditions
Dewpoint Spread1.5°C
Visibility4199 (Mist/Haze)
Relative Humidity90%
Wind Speed1.2m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/Zurich
fog weather icon
Next opportunity
Moderate Fog
Saas-Fee
Tomorrow · 24:00–01:00 · 1h window
Medium confidence
60%
🌫️Fog Probability79.7%
Dewpoint Spread: 0.5°C
Visibility: 12095 (Clear)
Relative Humidity: 96%
Wind Speed: 0.6m/s (calm conditions)
fog weather icon
Dense Fog
Saas-Fee
Tue, Apr 28 · 17:00–19:00
🌫️Fog Probability:90.5%
High
fog weather icon
Dense Fog at Sunset
Saas-Fee
Tue, Apr 28 · 19:00–21:00
🌫️Fog Probability:100%
High
fog weather icon
Moderate Fog at Dusk
Saas-Fee
Tue, Apr 28 · 21:00–22:00
🌫️Fog Probability:65.4%
Low

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72-hour requirements breakdown

What passed or failed, hour by hour
1matching hours in the next 95 hoursJump to next match
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Europe/Zurich
Fog Probability
≥ 60.0%
Tue, Apr 21
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%
Wed, Apr 22
24:000%
01:000%
02:000%
03:000%
04:000%
05:0045%
06:000%
07:000%
08:000%
09:0033%
10:0017%
11:0017%
12:008.8%
13:008.1%
14:0012%
15:0022%
16:000%
17:000%
18:000%
19:000%
20:0032%
21:0045%
22:0044%
23:0044%
Thu, Apr 23
24:0080%
01:0043%
02:0043%
03:0043%
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 24
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%
Sat, Apr 25
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/Zurich
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
Wed, Apr 22 Sunrise 06:30 Sunset 20:24
04:00
16% -2.8°C 0.23mm 90% 0cm -22° -1.3°C 0.31mm 0.06kPa 4199m 1.4m/s 1.2m/s
05:00
8% -1.9°C 0.44mm 97% 0.52cm -15° -1.4°C 0.69mm 0.02kPa 4049m 1.8m/s 1.7m/s
06:00
5% -2.3°C 0.37mm 93% 0.4cm -5.6° -1.3°C 1.2mm 0.04kPa 3046m 1.8m/s 1.7m/s
07:00
3% -2.5°C 0.33mm 92% 0.35cm 4.4° -1.3°C 1.6mm 0.05kPa 139m 1.5m/s 1.7m/s
08:00
0% -2.4°C 0.15mm 92% 0.18cm 15° -1.3°C 1.8mm 0.04kPa 432m 1.5m/s 2.2m/s
09:00
0% -2.4°C 0.1mm 91% 0.13cm 25° -1.2°C 0.13mm 0.05kPa 278m 1.8m/s 2.4m/s
10:00
0% -2.4°C 0.11mm 91% 0.15cm 35° -1.1°C 0.25mm 0.05kPa 235m 1.8m/s 2.2m/s
11:00
0% -1.8°C 0.02mm 93% 0.11cm 44° -0.77°C 0.38mm 0.04kPa 127m 1.5m/s 2.5m/s
12:00
0% -2°C 0mm 84% 0.04cm 52° 0.35°C 0.44mm 0.1kPa 180m 1.4m/s 2.5m/s
13:00
0% -1.6°C 0.02mm 84% 0.12cm 56° 0.79°C 0.5mm 0.1kPa 446m 1.6m/s 3.1m/s
14:00
0% -0.9°C 0.01mm 90% 0.06cm 55° 0.58°C 0.63mm 0.07kPa 780m 2m/s 3m/s
15:00
6% -1.1°C 0.01mm 87% 0.04cm 51° 0.81°C 0.06mm 0.08kPa 458m 1.9m/s 2.8m/s
16:00
12% -1.4°C 0mm 81% 0.1cm 43° 1.5°C 0.13mm 0.13kPa 4134m 1.8m/s 2.4m/s
17:00
18% -2°C 0mm 75% 0.07cm 34° 1.9°C 0.19mm 0.18kPa 9939m 1.8m/s 2.2m/s
18:00
15% -2.1°C 0mm 76% 0.07cm 24° 1.7°C 0.25mm 0.17kPa 7989m 1.4m/s 2.1m/s
19:00
11% -1.3°C 0mm 86% 0.03cm 14° 0.79°C 0.25mm 0.09kPa 3272m 1.2m/s 1.9m/s
20:00
8% -0.9°C 0mm 94% 0.04cm 3.5° -0.09°C 0.31mm 0.03kPa 565m 0.92m/s 1.4m/s
21:00
9% -1.5°C 0mm 94% 0.03cm -6.5° -0.73°C 0.06mm 0.03kPa 6905m 0.51m/s 0.71m/s
22:00
9% -1.7°C 0.01mm 93% 0cm -15° -0.74°C 0.06mm 0.04kPa 8648m 0.8m/s 0.95m/s
23:00
10% -1.7°C 0mm 95% 0cm -23° -1°C 0.06mm 0.03kPa 8069m 0.7m/s 0.89m/s
Thu, Apr 23 Sunrise 06:30 Sunset 20:24
24:00
11% -1.6°C 0mm 96% 0cm -28° -1.1°C 0.06mm 0.02kPa 12095m 0.52m/s 0.63m/s
01:00
12% -1.8°C 0mm 95% 0cm -31° -1.1°C 0.06mm 0.03kPa 24134m 0.44m/s 0.42m/s
02:00
13% -2.2°C 0mm 95% 0cm -31° -1.5°C 0.06mm 0.03kPa 24135m 0.41m/s 0.43m/s
03:00
25% -2.3°C 0mm 95% 0cm -28° -1.6°C 0mm 0.03kPa 20138m 0.5m/s 0.52m/s
04:00
38% -2.6°C 0mm 91% 0cm -22° -1.3°C 0mm 0.05kPa 24134m 0.4m/s 0.31m/s
05:00
50% -2.8°C 0mm 88% 0cm -14° -1.1°C 0mm 0.07kPa 24134m 0.8m/s 0.64m/s
06:00
56% -3.5°C 0mm 86% 0cm -5.3° -1.5°C 0mm 0.08kPa 24135m 1.2m/s 1.1m/s
07:00
63% -4°C 0mm 79% 0cm 4.6° -0.81°C 0mm 0.12kPa 24134m 1.5m/s 1.6m/s
08:00
69% -5.2°C 0mm 62% 0cm 15° 1.2°C 0mm 0.25kPa 24134m 1.9m/s 1.4m/s
09:00
79% -7.1°C 0mm 48% 0cm 25° 2.7°C 0mm 0.38kPa 24135m 1.8m/s 1.4m/s
10:00
88% -7.1°C 0mm 44% 0cm 35° 4°C 0mm 0.45kPa 24135m 1.9m/s 2m/s
11:00
98% -6.5°C 0mm 42% 0cm 44° 5.2°C 0mm 0.51kPa 24134m 2.1m/s 2.4m/s
12:00
98% -5.5°C 0mm 43% 0cm 52° 6.1°C 0mm 0.53kPa 24135m 2.5m/s 3.1m/s
13:00
98% -5.1°C 0mm 42% 0cm 56° 6.9°C 0mm 0.57kPa 24134m 2.9m/s 3.2m/s
14:00
98% -5.5°C 0mm 39% 0cm 56° 7.7°C 0mm 0.64kPa 24134m 3m/s 3.2m/s
15:00
97% -5.9°C 0mm 36% 0cm 51° 8.4°C 0mm 0.71kPa 24134m 3m/s 3.1m/s
16:00
96% -6.1°C 0mm 35% 0cm 44° 8.5°C 0mm 0.72kPa 24134m 3m/s 3.2m/s
17:00
95% -5.7°C 0mm 36% 0cm 34° 8.5°C 0mm 0.71kPa 24134m 2.9m/s 2.9m/s
18:00
95% -5.3°C 0mm 38% 0cm 24° 8.1°C 0mm 0.67kPa 24135m 2.5m/s 2.2m/s
19:00
95% -4°C 0mm 44% 0cm 14° 7.3°C 0mm 0.57kPa 24135m 2.2m/s 1.8m/s
20:00
95% -2.8°C 0mm 57% 0cm 3.7° 5.1°C 0mm 0.38kPa 24135m 2.1m/s 2.2m/s
21:00
97% -4.8°C 0mm 53% 0cm -6.2° 3.9°C 0mm 0.38kPa 24135m 2.7m/s 3.3m/s
22:00
98% -5°C 0mm 56% 0cm -15° 3°C 0mm 0.34kPa 24134m 2.5m/s 3.1m/s
23:00
100% -4.8°C 0mm 58% 0cm -23° 2.7°C 0mm 0.31kPa 24134m 2.6m/s 3.1m/s
Fri, Apr 24 Sunrise 06:28 Sunset 20:25
24:00
99% -5.7°C 0mm 54% 0cm -28° 2.8°C 0mm 0.35kPa 24135m 2.7m/s 3.4m/s
01:00
99% -6.8°C 0mm 49% 0cm -31° 2.7°C 0mm 0.38kPa 24135m 2.6m/s 3.3m/s
02:00
98% -7.8°C 0mm 46% 0cm -31° 2.8°C 0mm 0.41kPa 24135m 2.6m/s 3.3m/s
03:00
98% -8.9°C 0mm 43% 0cm -27° 2.4°C 0mm 0.42kPa 24135m 2.1m/s 2.6m/s
04:00
98% -10°C 0mm 38% 0cm -22° 2.6°C 0mm 0.46kPa 24135m 2.2m/s 2.7m/s
05:00
98% -12°C 0mm 33% 0cm -14° 2.6°C 0mm 0.5kPa 24134m 2.2m/s 2.7m/s
06:00
99% -14°C 0mm 27% 0cm -5° 2.6°C 0mm 0.54kPa 24135m 2.4m/s 2.9m/s
07:00
99% -15°C 0mm 26% 0cm 4.9° 3.1°C 0mm 0.57kPa 24134m 2.3m/s 2.9m/s
08:00
100% -11°C 0mm 28% 0cm 15° 5.9°C 0mm 0.67kPa 24134m 2m/s 2.2m/s
09:00
100% -8.8°C 0mm 30% 0cm 25° 7.9°C 0mm 0.75kPa 24134m 2.1m/s 2.2m/s
10:00
100% -6.2°C 0mm 32% 0cm 36° 9.9°C 0mm 0.84kPa 24135m 2.3m/s 2.2m/s
11:00
100% -3.7°C 0mm 33% 0cm 45° 12°C 0mm 0.93kPa 24135m 2.4m/s 2.2m/s
12:00
100% -2.3°C 0mm 41% 0cm 52° 10°C 0mm 0.75kPa 24135m 2.4m/s 2.2m/s
13:00
100% -1.3°C 0mm 48% 0cm 56° 9.1°C 0mm 0.6kPa 24135m 2.3m/s 2.3m/s
14:00
100% -0.7°C 0mm 56% 0cm 56° 7.6°C 0mm 0.46kPa 24135m 2.3m/s 2.3m/s
15:00
100% -2.2°C 0mm 53% 0cm 51° 6.7°C 0mm 0.46kPa 24135m 2.2m/s 2.4m/s
16:00
99% -3.8°C 0mm 50% 0cm 44° 5.8°C 0mm 0.46kPa 24135m 2.2m/s 2.4m/s
17:00
99% -5.4°C 0mm 47% 0cm 34° 4.9°C 0mm 0.45kPa 24135m 2.1m/s 2.4m/s
18:00
99% -5.8°C 0mm 48% 0cm 24° 4.3°C 0mm 0.43kPa 24135m 1.7m/s 1.9m/s
19:00
100% -6.2°C 0mm 48% 0cm 14° 3.8°C 0mm 0.41kPa 24135m 1.3m/s 1.4m/s
20:00
100% -6.6°C 0mm 49% 0cm 3.9° 3.2°C 0mm 0.4kPa 24135m 0.85m/s 0.92m/s
21:00
100% -7.1°C 0mm 47% 0cm -6° 3.2°C 0mm 0.41kPa 24135m 0.97m/s 1m/s
22:00
100% -7.7°C 0mm 45% 0cm -15° 3.1°C 0mm 0.42kPa 24135m 1.1m/s 1.2m/s
23:00
100% -8.2°C 0mm 43% 0cm -22° 3.1°C 0mm 0.43kPa 24135m 1.2m/s 1.3m/s
Sat, Apr 25 Sunrise 06:26 Sunset 20:26
24:00
99% -8.1°C 0mm 40% 0cm -28° 4.2°C 0mm 0.49kPa 24135m 1.2m/s 1.2m/s
01:00
99% -8.2°C 0mm 37% 0cm -30° 5.3°C 0mm 0.56kPa 24135m 1.3m/s 1.1m/s
02:00
98% -8.3°C 0mm 34% 0cm -30° 6.4°C 0mm 0.63kPa 24135m 1.3m/s 0.98m/s
03:00
97% -6.9°C 0mm 35% 0cm -27° 7.4°C 0mm 0.66kPa 24135m 1.5m/s 1.5m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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