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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
Fog Probability
0%
Dewpoint Spread1.9°C
Visibility24135 (Clear)
Relative Humidity86%
Wind Speed1.9m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/Zurich
fog weather icon
Next opportunity
Dense Fog (lingering)
Saas-Fee
Thu, Mar 12 · 04:00–05:00 · 1h window
Medium confidence
40%
🌫️Fog Probability94.4%
Dewpoint Spread: 1.1°C
Visibility: 1823 (Mist/Haze)
Relative Humidity: 92%
Wind Speed: 1.9m/s (calm conditions)
fog weather icon
Dense Fog (lingering) at Sunrise
Saas-Fee
Fri, Mar 13 · 07:00–08:00
🌫️Fog Probability:90.3%
Low
fog weather icon
Dense Fog (lingering)
Saas-Fee
Fri, Mar 13 · 08:00–09:00
🌫️Fog Probability:90.3%
Low

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72-hour requirements breakdown

What passed or failed, hour by hour
0matching hours in the next 92 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Europe/Zurich
Fog Probability
≥ 85.0%
Dewpoint Spread
≤ 2.0°C
Visibility
≤ 3000.0m
Wind Speed
≤ 2.0m/s
Wed, Mar 4
05:000%7.3°C24134m3.1m/s
06:000%7.1°C24134m3.1m/s
07:000%6.7°C24134m3.1m/s
08:000%5.4°C24135m2.5m/s
09:000%5.9°C24135m0.13m/s
10:000%4.7°C24134m1.1m/s
11:000%2.4°C24135m1.6m/s
12:000%1.3°C23742m1.8m/s
13:000%1.2°C15192m1.9m/s
14:000%1.4°C12334m1.9m/s
15:000%1.2°C12234m2m/s
16:0060%1°C12461m1.7m/s
17:0092%0.6°C4302m1.5m/s
18:0060%1°C15403m0.58m/s
19:000%1.6°C24135m0.19m/s
20:000%1.7°C24135m0.73m/s
21:000%1.3°C23619m1.2m/s
22:000%1.2°C24134m1.6m/s
23:000%1.4°C24135m1.5m/s
Thu, Mar 5
24:000%1.4°C21160m2m/s
01:000%1.5°C24087m1.6m/s
02:000%1.9°C24135m1.9m/s
03:000%2.4°C24134m1.6m/s
04:000%3.2°C24134m1.4m/s
05:000%3°C24134m1.8m/s
06:000%2.9°C24135m1.9m/s
07:000%3.6°C24134m2.1m/s
08:000%3.4°C23577m1.8m/s
09:000%3.4°C21422m2.1m/s
10:000%3.1°C20944m2.6m/s
11:000%2.3°C20777m3.2m/s
12:000%1.8°C17309m2.7m/s
13:000%1.3°C5115m2.5m/s
14:000%1.4°C7626m2.1m/s
15:000%1.6°C10743m2.1m/s
16:000%1.8°C24134m2m/s
17:000%1.6°C21502m1.5m/s
18:000%1.2°C17413m1.9m/s
19:0060%0.9°C15620m1.1m/s
20:0060%0.7°C17463m0.93m/s
21:000%1.3°C20942m1.1m/s
22:000%1.7°C24134m1.9m/s
23:000%1.8°C24134m1.8m/s
Fri, Mar 6
24:000%2.2°C24135m1.5m/s
01:000%2.4°C24134m1.3m/s
02:000%2.5°C24135m1.4m/s
03:000%1.8°C24135m1.4m/s
04:000%1.7°C24134m1.4m/s
05:000%1.8°C24134m1.2m/s
06:000%1.7°C24134m1.5m/s
07:000%1.6°C24135m1.6m/s
08:000%1.9°C24134m1.5m/s
09:000%2.5°C24135m1.4m/s
10:000%2.9°C24134m1.7m/s
11:000%2.9°C24134m1.9m/s
12:000%2.6°C20377m2.5m/s
13:000%2.8°C17223m2.3m/s
14:000%2.2°C16214m2.3m/s
15:000%2.2°C16413m2.1m/s
16:000%2°C20709m2m/s
17:000%2.1°C23539m1.7m/s
18:000%2.1°C24134m1.6m/s
19:000%1.5°C24135m0.99m/s
20:000%1.4°C24135m1.1m/s
21:000%2°C24134m1.2m/s
22:000%2.7°C24134m1.4m/s
23:000%2.9°C24134m1.4m/s
Sat, Mar 7
24:000%2.6°C24135m1.5m/s
01:000%2.7°C24135m1.4m/s
02:000%2.4°C24135m1.6m/s
03:000%2.3°C24135m1.5m/s
04:000%2.1°C24134m1.7m/s
05:000%2.3°C24135m1.7m/s
06:000%2.6°C24134m1.7m/s
07:000%2.4°C24135m1.5m/s
08:000%2.4°C24135m1.7m/s
09:000%2.3°C24135m1.9m/s
10:000%2.3°C24135m2.1m/s
11:000%2.2°C24135m1.8m/s
12:000%2.2°C24135m1.6m/s
13:000%2.1°C24135m1.4m/s
14:000%1.8°C17428m1.5m/s
15:000%1.5°C10721m1.6m/s
16:000%1.3°C4013m1.7m/s
17:000%1.9°C10721m1.7m/s
18:000%2.6°C17428m1.7m/s
19:000%3.2°C24135m1.6m/s
20:000%3.7°C24135m1.7m/s
21:000%4.1°C24135m1.8m/s
22:000%4.5°C24135m1.9m/s
23:000%4.5°C24135m1.8m/s
Sun, Mar 8
24:000%4.4°C24135m1.7m/s
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
Dew Point
°C
Rainfall
mm
Relative Humidity
%
Snowfall
cm
Temperature
°C
Total Precipitation
mm
Vapor Pressure Deficit
kPa
Wind Gusts
m/s
Thu, Mar 5 Sunrise 07:00 Sunset 18:19
02:00 ☾
-5.5°C 0mm 86% 0cm -3.6°C 0mm 0.06kPa 1.9m/s
03:00 ☾
-6.2°C 0mm 84% 0cm -3.8°C 0mm 0.08kPa 1.6m/s
04:00 ☾
-7°C 0mm 79% 0cm -3.8°C 0mm 0.1kPa 1.3m/s
05:00 ☾
-7.5°C 0mm 79% 0cm -4.5°C 0mm 0.09kPa 1.7m/s
06:00 ☾
-7.6°C 0mm 80% 0cm -4.7°C 0mm 0.09kPa 1.8m/s
07:00 ☾
-8.1°C 0mm 76% 0cm -4.5°C 0mm 0.1kPa 1.9m/s
08:00
-6.8°C 0mm 77% 0cm -3.4°C 0mm 0.11kPa 1.8m/s
09:00
-5.8°C 0mm 78% 0cm -2.4°C 0mm 0.11kPa 2.1m/s
10:00
-4.9°C 0mm 80% 0cm -1.8°C 0mm 0.11kPa 2.5m/s
11:00
-3.9°C 0mm 84% 0cm -1.6°C 0mm 0.08kPa 3m/s
12:00
-3°C 0.01mm 88% 0cm -1.2°C 0mm 0.07kPa 2.6m/s
13:00
-2.5°C 0mm 91% 0cm -1.2°C 0mm 0.05kPa 2.4m/s
14:00
-2.6°C 0mm 90% 0cm -1.2°C 0mm 0.05kPa 1.9m/s
15:00
-2.9°C 0mm 89% 0cm -1.3°C 0mm 0.06kPa 2m/s
16:00
-3.1°C 0mm 88% 0cm -1.3°C 0mm 0.07kPa 1.7m/s
17:00
-3.1°C 0mm 89% 0cm -1.5°C 0mm 0.06kPa 1m/s
18:00
-3.1°C 0.01mm 92% 0cm -1.9°C 0mm 0.04kPa 1.9m/s
19:00 ☾
-2.9°C 0mm 94% 0cm -2°C 0mm 0.03kPa 1.4m/s
20:00 ☾
-3.1°C 0mm 95% 0cm -2.4°C 0mm 0.03kPa 1.3m/s
21:00 ☾
-3.5°C 0mm 91% 0cm -2.2°C 0mm 0.05kPa 1.5m/s
22:00 ☾
-4.3°C 0mm 88% 0cm -2.6°C 0mm 0.06kPa 2m/s
23:00 ☾
-4.5°C 0mm 88% 0cm -2.7°C 0mm 0.06kPa 2m/s
Fri, Mar 6 Sunrise 07:00 Sunset 18:19
24:00 ☾
-4.7°C 0mm 84% 0cm -2.5°C 0mm 0.08kPa 1.6m/s
01:00 ☾
-4.8°C 0mm 83% 0cm -2.4°C 0mm 0.08kPa 1.4m/s
02:00 ☾
-4.9°C 0mm 83% 0cm -2.4°C 0mm 0.09kPa 1.4m/s
03:00 ☾
-4.2°C 0mm 87% 0cm -2.4°C 0mm 0.06kPa 1.4m/s
04:00 ☾
-4°C 0mm 88% 0cm -2.3°C 0mm 0.06kPa 1.5m/s
05:00 ☾
-3.9°C 0mm 87% 0cm -2.1°C 0mm 0.07kPa 1.3m/s
06:00 ☾
-3.6°C 0mm 88% 0cm -1.9°C 0mm 0.06kPa 1.4m/s
07:00
-3.5°C 0mm 89% 0cm -1.9°C 0mm 0.06kPa 1.7m/s
08:00
-2.9°C 0mm 87% 0cm -1°C 0mm 0.07kPa 1.6m/s
09:00
-2.5°C 0mm 83% 0cm 0.02°C 0mm 0.11kPa 1.6m/s
10:00
-2.3°C 0mm 81% 0cm 0.56°C 0mm 0.12kPa 1.7m/s
11:00
-2°C 0mm 81% 0cm 0.88°C 0mm 0.12kPa 1.7m/s
12:00
-1.5°C 0mm 82% 0cm 1.1°C 0mm 0.12kPa 2.2m/s
13:00
-1.2°C 0mm 82% 0cm 1.6°C 0mm 0.13kPa 1.9m/s
14:00
-0.7°C 0mm 85% 0cm 1.5°C 0mm 0.1kPa 2m/s
15:00
-0.6°C 0mm 85% 0cm 1.6°C 0mm 0.1kPa 1.8m/s
16:00
-0.8°C 0mm 86% 0cm 1.2°C 0mm 0.09kPa 1.7m/s
17:00
-1.1°C 0mm 86% 0cm 0.95°C 0mm 0.09kPa 1.6m/s
18:00
-1.5°C 0mm 86% 0cm 0.58°C 0mm 0.09kPa 1.5m/s
19:00 ☾
-1.8°C 0mm 90% 0cm -0.32°C 0mm 0.06kPa 1m/s
20:00 ☾
-1.9°C 0mm 90% 0cm -0.49°C 0mm 0.06kPa 1.2m/s
21:00 ☾
-2.7°C 0mm 87% 0cm -0.73°C 0mm 0.08kPa 1.3m/s
22:00 ☾
-3.6°C 0mm 82% 0cm -0.85°C 0mm 0.1kPa 1.4m/s
23:00 ☾
-3.9°C 0mm 81% 0cm -1°C 0mm 0.11kPa 1.4m/s
Sat, Mar 7 Sunrise 06:58 Sunset 18:21
24:00 ☾
-3.8°C 0mm 82% 0cm -1.2°C 0mm 0.1kPa 1.5m/s
01:00 ☾
-3.9°C 0mm 82% 0cm -1.2°C 0mm 0.1kPa 1.4m/s
02:00 ☾
-3.9°C 0mm 83% 0cm -1.5°C 0mm 0.09kPa 1.6m/s
03:00 ☾
-4°C 0mm 84% 0cm -1.7°C 0mm 0.09kPa 1.5m/s
04:00 ☾
-4°C 0mm 85% 0cm -1.9°C 0mm 0.08kPa 1.7m/s
05:00 ☾
-4.3°C 0mm 84% 0cm -2°C 0mm 0.08kPa 1.7m/s
06:00 ☾
-4.6°C 0mm 82% 0cm -2°C 0mm 0.09kPa 1.7m/s
07:00
-4.7°C 0mm 83% 0cm -2.3°C 0mm 0.09kPa 1.5m/s
08:00
-3.7°C 0.003mm 84% 0cm -1.3°C 0mm 0.09kPa 1.6m/s
09:00
-2.7°C 0.007mm 84% 0cm -0.35°C 0mm 0.09kPa 1.7m/s
10:00
-1.7°C 0.01mm 85% 0cm 0.6°C 0mm 0.1kPa 1.7m/s
11:00
-2.1°C 0.007mm 85% 0cm 0.13°C 0mm 0.09kPa 1.6m/s
12:00
-2.5°C 0.003mm 86% 0cm -0.34°C 0mm 0.09kPa 1.5m/s
13:00
-2.9°C 0mm 86% 0cm -0.81°C 0mm 0.08kPa 1.4m/s
14:00
-2.9°C 0mm 88% 0cm -1.1°C 0mm 0.07kPa 1.5m/s
15:00
-3°C 0mm 89% 0cm -1.5°C 0mm 0.06kPa 1.7m/s
16:00
-3.1°C 0mm 90% 0cm -1.8°C 0mm 0.05kPa 1.8m/s
17:00
-3.8°C 0mm 86% 0cm -1.9°C 0mm 0.07kPa 1.9m/s
18:00
-4.6°C 0mm 82% 0cm -2°C 0mm 0.09kPa 2m/s
19:00 ☾
-5.3°C 0mm 78% 0cm -2.1°C 0mm 0.11kPa 2.1m/s
20:00 ☾
-6°C 0mm 76% 0cm -2.3°C 0mm 0.12kPa 2.1m/s
21:00 ☾
-6.6°C 0mm 73% 0cm -2.5°C 0mm 0.13kPa 2.1m/s
22:00 ☾
-7.3°C 0mm 71% 0cm -2.8°C 0mm 0.14kPa 2m/s
23:00 ☾
-7.4°C 0mm 71% 0cm -2.9°C 0mm 0.14kPa 1.9m/s
Sun, Mar 8 Sunrise 06:56 Sunset 18:22
24:00 ☾
-7.5°C 0mm 72% 0cm -3.1°C 0mm 0.14kPa 1.8m/s
01:00 ☾
-7.5°C 0mm 72% 0cm -3.2°C 0mm 0.13kPa 1.7m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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