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Rule Fog Hunter

St. Moritz - Fog Hunter - Alps

Saint Moritz, Canton Grisons, Switzerland

Thick, moody fog for atmospheric forest and landscape shots

Currently

Real-time conditions
Dewpoint Spread0.0°C
Visibility78 (Dense fog)
Relative Humidity100%
Wind Speed2.3m/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
St. Moritz
Today · 08:00–11:00 · 3h window
High confidence
100%
🌫️Fog Probability100%
Dewpoint Spread: 0.0°C
Visibility: 544 (Fog)
Relative Humidity: 100%
Wind Speed: 2.7m/s (calm conditions)
fog weather icon
Dense Fog
St. Moritz
Today · 22:00–04:00
🌫️Fog Probability:98.5-100%
High
fog weather icon
Dense Fog at Dawn
St. Moritz
Tomorrow · 04:00–05:00
🌫️Fog Probability:100%
High
fog weather icon
Dense Fog at Sunrise
St. Moritz
Tomorrow · 05:00–07:00
🌫️Fog Probability:100%
High
fog weather icon
Moderate Fog
St. Moritz
Tomorrow · 07:00–08:00
🌫️Fog Probability:78.7%
Medium

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72-hour requirements breakdown

What passed or failed, hour by hour
13matching hours in the next 74 hoursJump to next match
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Europe/Zurich
Fog Probability
≥ 75.0%
Sat, Jun 6
06:000%
07:0058%
08:00100%
09:00100%
10:00100%
11:0051%
12:0049%
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:0060%
22:00100%
23:00100%
Sun, Jun 7
24:00100%
01:00100%
02:0099%
03:0099%
04:00100%
05:00100%
06:00100%
07:0079%
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%
Mon, Jun 8
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%
20:0055%
21:000%
22:000%
23:000%
Tue, Jun 9
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
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
Sat, Jun 6 Sunrise 05:29 Sunset 21:09
10:00
0% 4.3°C 0mm 100% 0cm 44° 4.3°C 0.13mm 0kPa 78m 2.6m/s 2.3m/s
11:00
0% 3.9°C 0mm 96% 0cm 53° 4.5°C 0.38mm 0.04kPa 234m 1.9m/s 2m/s
12:00
0% 4.7°C 0mm 95% 0cm 61° 5.4°C 0.63mm 0.05kPa 588m 2m/s 2.1m/s
13:00
0% 4.4°C 0mm 90% 0cm 66° 6°C 0.81mm 0.1kPa 21446m 1.8m/s 2m/s
14:00
0% 4.3°C 0mm 83% 0cm 65° 7°C 0.94mm 0.17kPa 24134m 1.5m/s 1.7m/s
15:00
0% 4°C 0mm 78% 0cm 59° 7.6°C 0.06mm 0.23kPa 24134m 1.3m/s 1.5m/s
16:00
1% 3.9°C 0mm 75% 0cm 50° 8.1°C 0.19mm 0.27kPa 22068m 1.3m/s 1.6m/s
17:00
1% 3.9°C 0mm 73% 0cm 40° 8.4°C 0.31mm 0.3kPa 22255m 1.4m/s 1.6m/s
18:00
1% 3.8°C 0mm 72% 0cm 30° 8.5°C 0.44mm 0.3kPa 23721m 1.6m/s 1.8m/s
19:00
0% 4.8°C 0mm 81% 0cm 20° 7.8°C 0.5mm 0.2kPa 24134m 2m/s 2.3m/s
20:00
0% 5°C 0mm 90% 0cm 9.8° 6.6°C 0.63mm 0.1kPa 20143m 2.3m/s 2.5m/s
21:00
2% 4.5°C 0mm 96% 0cm 0.99° 5.1°C 0.06mm 0.04kPa 11767m 2.5m/s 2.5m/s
22:00
3% 3.5°C 0mm 99% 0cm -7.4° 3.7°C 0.06mm 0.01kPa 1560m 2.1m/s 2.2m/s
23:00
5% 3.1°C 0mm 99% 0cm -14° 3.2°C 0.06mm 0.01kPa 1095m 1.8m/s 1.9m/s
Sun, Jun 7 Sunrise 05:29 Sunset 21:09
24:00
6% 3°C 0mm 98% 0cm -18° 3.2°C 0.06mm 0.01kPa 1744m 2m/s 1.9m/s
01:00
7% 3°C 0mm 98% 0cm -21° 3.2°C 0.06mm 0.01kPa 2490m 1.8m/s 1.7m/s
02:00
8% 2.6°C 0mm 98% 0cm -20° 2.9°C 0.06mm 0.02kPa 2210m 1.7m/s 1.6m/s
03:00
19% 2.3°C 0mm 98% 0cm -17° 2.7°C 0mm 0.02kPa 1602m 1.2m/s 1.3m/s
04:00
31% 2.2°C 0mm 97% 0cm -12° 2.6°C 0mm 0.02kPa 1250m 1.3m/s 1.2m/s
05:00
42% 1.9°C 0mm 96% 0cm -4.7° 2.4°C 0mm 0.03kPa 1274m 1.3m/s 1.2m/s
06:00
39% 1.7°C 0mm 95% 0cm 3.9° 2.4°C 0mm 0.04kPa 1268m 1.2m/s 1.1m/s
07:00
36% 2.8°C 0mm 92% 0cm 13° 3.9°C 0mm 0.07kPa 1289m 1.3m/s 1.4m/s
08:00
33% 3.4°C 0mm 86% 0cm 23° 5.4°C 0mm 0.12kPa 1955m 1m/s 1m/s
09:00
29% 3.8°C 0mm 80% 0cm 33° 7°C 0mm 0.2kPa 24134m 1.2m/s 0.74m/s
10:00
24% 4.1°C 0.01mm 73% 0cm 44° 8.6°C 0mm 0.3kPa 24135m 1.8m/s 1.3m/s
11:00
20% 4°C 0mm 67% 0cm 53° 9.8°C 0.06mm 0.4kPa 24134m 1.9m/s 1.6m/s
12:00
14% 3.6°C 0mm 64% 0cm 61° 10°C 0.06mm 0.45kPa 9246m 2m/s 1.9m/s
13:00
8% 3.9°C 0mm 67% 0cm 66° 9.8°C 0.13mm 0.4kPa 24135m 2.2m/s 2.2m/s
14:00
2% 4.4°C 0.01mm 69% 0cm 65° 9.8°C 0.25mm 0.37kPa 19371m 1.8m/s 1.7m/s
15:00
1% 4.7°C 0mm 67% 0cm 59° 11°C 0.25mm 0.43kPa 19368m 1.8m/s 1.8m/s
16:00
1% 4.9°C 0mm 66% 0cm 50° 11°C 0.75mm 0.45kPa 11283m 1.7m/s 1.8m/s
17:00
0% 4.9°C 0mm 67% 0cm 40° 11°C 1.3mm 0.43kPa 16642m 1.6m/s 1.7m/s
18:00
0% 5.2°C 0mm 69% 0cm 30° 11°C 1.7mm 0.41kPa 24134m 1.6m/s 1.9m/s
19:00
0% 5.4°C 0mm 73% 0cm 20° 10°C 2.1mm 0.33kPa 24134m 1.6m/s 2m/s
20:00
0% 6.3°C 0.01mm 83% 0cm 9.9° 9°C 2.4mm 0.19kPa 22718m 2.1m/s 2.3m/s
21:00
2% 5.8°C 0mm 93% 0cm 1.1° 6.9°C 0.44mm 0.07kPa 15864m 1.8m/s 1.9m/s
22:00
3% 5.3°C 0mm 97% 0cm -7.3° 5.8°C 1.1mm 0.03kPa 5430m 1.3m/s 1.4m/s
23:00
5% 5.3°C 0mm 96% 0cm -14° 5.8°C 1.3mm 0.03kPa 3680m 1.2m/s 1.2m/s
Mon, Jun 8 Sunrise 05:29 Sunset 21:10
24:00
6% 4.7°C 0mm 96% 0cm -18° 5.2°C 1.4mm 0.03kPa 12477m 0.81m/s 0.76m/s
01:00
7% 4.3°C 0mm 93% 0cm -21° 5.4°C 1.4mm 0.06kPa 24134m 1.1m/s 1.2m/s
02:00
8% 3.7°C 0mm 90% 0cm -20° 5.2°C 1.5mm 0.09kPa 17970m 2m/s 2.1m/s
03:00
15% 3.4°C 0mm 89% 0cm -17° 5°C 0.06mm 0.09kPa 24134m 1.9m/s 2m/s
04:00
23% 3°C 0mm 90% 0cm -12° 4.4°C 0.06mm 0.08kPa 24134m 1.7m/s 1.8m/s
05:00
30% 2.9°C 0mm 91% 0cm -4.6° 4.2°C 0.06mm 0.07kPa 24135m 1.7m/s 1.8m/s
06:00
26% 3.3°C 0mm 91% 0cm 4.6°C 0.06mm 0.07kPa 24134m 1.9m/s 2m/s
07:00
21% 5°C 0mm 89% 0cm 13° 6.7°C 0.06mm 0.11kPa 24134m 2.2m/s 2.2m/s
08:00
17% 5.2°C 0mm 80% 0cm 23° 8.4°C 0.06mm 0.21kPa 24134m 2.1m/s 2m/s
09:00
14% 5.3°C 0mm 74% 0cm 33° 9.6°C 0mm 0.31kPa 24134m 2.2m/s 2.1m/s
10:00
12% 5.2°C 0mm 70% 0cm 44° 11°C 0.06mm 0.39kPa 24135m 2.1m/s 2.3m/s
11:00
9% 5.1°C 0mm 66% 0cm 53° 11°C 0.25mm 0.46kPa 22003m 2.5m/s 2.7m/s
12:00
7% 5.3°C 0mm 65% 0cm 61° 12°C 0.69mm 0.48kPa 13464m 2.8m/s 3.1m/s
13:00
4% 5.5°C 0mm 65% 0cm 66° 12°C 1.1mm 0.49kPa 17634m 2.9m/s 3.2m/s
14:00
2% 5.4°C 0mm 64% 0cm 65° 12°C 1.8mm 0.5kPa 17796m 3.2m/s 3.3m/s
15:00
1% 5.6°C 0.003mm 73% 0cm 59° 10°C 1.2mm 0.34kPa 19909m 3.1m/s 3.1m/s
16:00
1% 5.6°C 0.007mm 82% 0cm 50° 8.6°C 0.71mm 0.2kPa 22022m 3m/s 3m/s
17:00
0% 5.4°C 0.01mm 90% 0cm 40° 6.9°C 0.19mm 0.1kPa 24135m 2.9m/s 2.8m/s
18:00
1% 5.1°C 0.007mm 92% 0cm 30° 6.3°C 0.19mm 0.08kPa 24135m 2.5m/s 2.5m/s
19:00
1% 4.8°C 0.003mm 93% 0cm 20° 5.8°C 0.19mm 0.06kPa 24135m 2.2m/s 2.2m/s
20:00
2% 4.5°C 0mm 94% 0cm 10° 5.3°C 0.19mm 0.05kPa 24135m 1.9m/s 1.9m/s
21:00
6% 4.2°C 0mm 94% 0cm 1.2° 5°C 0.13mm 0.05kPa 24135m 2.1m/s 2.1m/s
22:00
11% 3.9°C 0mm 94% 0cm -7.2° 4.8°C 0.06mm 0.05kPa 24135m 2.2m/s 2.3m/s
23:00
15% 3.6°C 0mm 94% 0cm -14° 4.5°C 0mm 0.05kPa 24135m 2.3m/s 2.5m/s
Tue, Jun 9 Sunrise 05:28 Sunset 21:11
24:00
12% 3.6°C 0mm 88% 0cm -18° 5.5°C 0mm 0.11kPa 24135m 2.2m/s 2.3m/s
01:00
8% 3.5°C 0mm 81% 0cm -20° 6.5°C 0mm 0.18kPa 24135m 2.1m/s 2.1m/s
02:00
5% 3.3°C 0mm 75% 0cm -20° 7.5°C 0mm 0.26kPa 24135m 2m/s 1.9m/s
03:00
4% 3.6°C 0.003mm 71% 0cm -17° 8.5°C 0mm 0.32kPa 24135m 2.6m/s 2.6m/s
04:00
4% 3.7°C 0.007mm 67% 0cm -12° 9.5°C 0mm 0.39kPa 24135m 3.2m/s 3.2m/s
05:00
3% 3.8°C 0.01mm 64% 0cm -4.6° 10°C 0mm 0.46kPa 24135m 3.8m/s 3.9m/s
06:00
3% 4.3°C 0.007mm 65% 0cm 11°C 0.35mm 0.45kPa 19485m 3.9m/s 3.9m/s
07:00
2% 4.8°C 0.003mm 66% 0cm 13° 11°C 0.71mm 0.44kPa 14835m 4.1m/s 4m/s
08:00
2% 5.3°C 0mm 67% 0cm 23° 11°C 1.1mm 0.43kPa 10185m 4.2m/s 4m/s
09:00
3% 6.2°C 0.02mm 75% 0cm 33° 10°C 1.5mm 0.31kPa 8102m 3.9m/s 3.6m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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