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There are 8 upcoming opportunity windows in the next 10 days.

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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

Fog Probability

100%

Dewpoint Spread0.1°C

Visibility88 (Dense fog)

Relative Humidity99%

Wind Speed2.4m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/Zurich

Next opportunity

Dense Fog

St. Moritz

Today · 02:00–03:00 · 1h window

High confidence

85%

🌫️Fog Probability100%

Dewpoint Spread: 0.1°C

Visibility: 88 (Dense fog)

Relative Humidity: 99%

Wind Speed: 2.4m/s (calm conditions)

Moderate Fog

St. Moritz

Today · 20:00–24:00

🌫️Fog Probability:68.1%

Low

Dense Fog at Sunrise

St. Moritz

Tomorrow · 06:00–07:00

🌫️Fog Probability:100%

High

Dense Fog

St. Moritz

Fri, Mar 13 · 03:00–06:00

🌫️Fog Probability:68.1-91.7%

Medium

Dense Fog at Sunrise

St. Moritz

Fri, Mar 13 · 06:00–08:00

🌫️Fog Probability:100%

High

Moderate Fog

St. Moritz

Sun, Mar 15 · 19:00–02:00

🌫️Fog Probability:68.1%

Low

Dense Fog

St. Moritz

Wed, Mar 18 · 15:00–17:00

🌫️Fog Probability:64.4-92.9%

Medium

+1 more windows in the next 10 days

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72-hour requirements breakdown

What passed or failed, hour by hour

14matching hours in the next 92 hoursJump to next match

AND logic: all conditions required

Meets requirement

Misses requirement

Time Europe/Zurich	Fog Probability ≥ 60.0%
Tue, Mar 10
05:00	-
06:00	-
07:00	-
08:00	-
09:00	0%
10:00	0%
11:00	0%
12:00	0%
13:00	0%
14:00	0%
15:00	0%
16:00	0%
17:00	0%
18:00	0%
19:00	34%
20:00	76%
21:00	76%
22:00	51%
23:00	58%
Wed, Mar 11
24:00	63%
01:00	0%
02:00	100%
03:00	57%
04:00	44%
05:00	0%
06:00	0%
07:00	0%
08:00	0%
09:00	0%
10:00	0%
11:00	0%
12:00	0%
13:00	0%
14:00	0%
15:00	0%
16:00	0%
17:00	0%
18:00	0%
19:00	0%
20:00	68%
21:00	68%
22:00	68%
23:00	68%
Thu, Mar 12
24:00	0%
01:00	0%
02:00	0%
03:00	0%
04:00	0%
05:00	0%
06:00	100%
07:00	58%
08:00	55%
09:00	48%
10:00	38%
11:00	0%
12:00	0%
13:00	0%
14:00	0%
15:00	0%
16:00	0%
17:00	42%
18:00	42%
19:00	30%
20:00	0%
21:00	0%
22:00	0%
23:00	0%
Fri, Mar 13
24:00	0%
01:00	0%
02:00	0%
03:00	68%
04:00	81%
05:00	92%
06:00	100%
07:00	100%
08:00	0%
09:00	0%
10:00	0%
11:00	0%
12:00	0%
13:00	0%
14:00	0%
15:00	0%
16:00	47%
17:00	31%
18:00	31%
19:00	38%
20:00	38%
21:00	38%
22:00	55%
23:00	0%
Sat, Mar 14
24:00	0%

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	Visibility m	Wind Gusts m/s	Wind Speed m/s
Wed, Mar 11 Sunrise 06:41 Sunset 18:20
02:00 ☾	-3.5°C	0.06mm	99%	0.11cm	-3.4°C	0.19mm	0kPa	88m	2.8m/s	2.4m/s
03:00 ☾	-4.5°C	0.06mm	96%	0.09cm	-4°C	0.31mm	0.02kPa	813m	2.8m/s	2.5m/s
04:00 ☾	-4.7°C	0.04mm	93%	0.06cm	-3.7°C	0.38mm	0.03kPa	4534m	2.3m/s	2.1m/s
05:00 ☾	-5°C	0.03mm	91%	0.04cm	-3.8°C	0.44mm	0.04kPa	9873m	1.9m/s	1.8m/s
06:00 ☾	-5.5°C	0.04mm	87%	0.05cm	-3.7°C	0.5mm	0.06kPa	10560m	2m/s	1.9m/s
07:00	-5.6°C	0.04mm	86%	0.04cm	-3.7°C	0.5mm	0.06kPa	10510m	1.7m/s	1.7m/s
08:00	-6°C	0.04mm	82%	0.05cm	-3.4°C	0.06mm	0.09kPa	10658m	1.8m/s	1.8m/s
09:00	-5.7°C	0.01mm	81%	0.03cm	-3°C	0.06mm	0.09kPa	10790m	2m/s	2m/s
10:00	-4.9°C	0.01mm	84%	0.04cm	-2.5°C	0.13mm	0.08kPa	10971m	2.4m/s	2.3m/s
11:00	-4.3°C	0.03mm	86%	0.07cm	-2.2°C	0.19mm	0.07kPa	9976m	2.5m/s	2.6m/s
12:00	-3.9°C	0.04mm	86%	0.1cm	-1.9°C	0.25mm	0.07kPa	7070m	2.8m/s	2.8m/s
13:00	-4°C	0.04mm	84%	0.11cm	-1.7°C	0.38mm	0.08kPa	4625m	3m/s	2.9m/s
14:00	-4.2°C	0.02mm	84%	0.07cm	-1.7°C	0.13mm	0.09kPa	6119m	2.9m/s	2.9m/s
15:00	-4.3°C	0.01mm	82%	0.05cm	-1.7°C	0.13mm	0.1kPa	8015m	2.8m/s	2.7m/s
16:00	-4.8°C	0.02mm	80%	0.04cm	-1.8°C	0.25mm	0.11kPa	11750m	2.7m/s	2.5m/s
17:00	-4.8°C	0.03mm	81%	0.05cm	-2°C	0.25mm	0.1kPa	11547m	2.6m/s	2.3m/s
18:00	-4.5°C	0.01mm	88%	0.03cm	-2.8°C	0.31mm	0.06kPa	12222m	2.2m/s	2.1m/s
19:00 ☾	-4.7°C	0.01mm	92%	0.02cm	-3.7°C	0.31mm	0.04kPa	12134m	2.2m/s	2.3m/s
20:00 ☾	-4.6°C	0.01mm	93%	0cm	-3.7°C	0mm	0.03kPa	11346m	2.6m/s	2.5m/s
21:00 ☾	-4.9°C	0.01mm	94%	0cm	-4.1°C	0mm	0.03kPa	11219m	2.6m/s	2.5m/s
22:00 ☾	-5.1°C	0.01mm	94%	0.02cm	-4.3°C	0.06mm	0.02kPa	11632m	2.5m/s	2.4m/s
23:00 ☾	-5.1°C	0mm	93%	0cm	-4.2°C	0.06mm	0.03kPa	12358m	2.5m/s	2.3m/s
Thu, Mar 12 Sunrise 06:41 Sunset 18:20
24:00 ☾	-5.2°C	0mm	92%	0cm	-4.1°C	0.06mm	0.04kPa	14892m	2.2m/s	2m/s
01:00 ☾	-5.3°C	0mm	91%	0cm	-4°C	0.06mm	0.04kPa	15824m	1.9m/s	1.8m/s
02:00 ☾	-5.4°C	0mm	91%	0cm	-4.2°C	0mm	0.04kPa	17676m	1.2m/s	1.2m/s
03:00 ☾	-5.6°C	0mm	92%	0cm	-4.4°C	0mm	0.04kPa	21917m	0.6m/s	0.52m/s
04:00 ☾	-5.6°C	0mm	92%	0cm	-4.5°C	0mm	0.04kPa	24134m	0.62m/s	0.58m/s
05:00 ☾	-5.3°C	0.01mm	92%	0cm	-4.3°C	0mm	0.03kPa	7315m	2.1m/s	1.9m/s
06:00 ☾	-4.8°C	0.11mm	96%	0.11cm	-4.3°C	0.06mm	0.02kPa	549m	2.2m/s	1.9m/s
07:00	-4.6°C	0.27mm	96%	0.27cm	-4.1°C	0.25mm	0.02kPa	301m	2.1m/s	1.9m/s
08:00	-4.5°C	0.28mm	95%	0.28cm	-3.8°C	0.25mm	0.02kPa	422m	2.1m/s	1.9m/s
09:00	-4.3°C	0.24mm	93%	0.25cm	-3.4°C	0.5mm	0.03kPa	610m	2.1m/s	2m/s
10:00	-4.2°C	0.11mm	91%	0.13cm	-3°C	0.69mm	0.04kPa	1015m	2m/s	2.2m/s
11:00	-4.1°C	0.01mm	88%	0.04cm	-2.4°C	0.75mm	0.06kPa	7722m	1.6m/s	2m/s
12:00	-5.1°C	0.01mm	81%	0.07cm	-2.3°C	0.81mm	0.1kPa	8278m	0.81m/s	1.1m/s
13:00	-5.7°C	0.01mm	76%	0.1cm	-2.1°C	0.88mm	0.13kPa	11031m	0.8m/s	0.22m/s
14:00	-5.4°C	0mm	74%	0.08cm	-1.4°C	0.06mm	0.14kPa	11784m	1.2m/s	1.1m/s
15:00	-4.5°C	0.01mm	75%	0.04cm	-0.61°C	0.13mm	0.14kPa	15525m	1.4m/s	1.3m/s
16:00	-4.1°C	0.01mm	78%	0.05cm	-0.82°C	0.13mm	0.13kPa	8761m	1.2m/s	1.3m/s
17:00	-3.5°C	0.04mm	86%	0.07cm	-1.5°C	0.25mm	0.08kPa	1910m	1.2m/s	1.3m/s
18:00	-3.2°C	0.01mm	93%	0cm	-2.2°C	0.31mm	0.04kPa	2586m	1.1m/s	1.1m/s
19:00 ☾	-3.5°C	0.01mm	93%	0cm	-2.5°C	0.31mm	0.03kPa	21300m	0.93m/s	0.83m/s
20:00 ☾	-3.9°C	0mm	91%	0cm	-2.5°C	0mm	0.05kPa	24134m	1.7m/s	1.6m/s
21:00 ☾	-4.7°C	0mm	88%	0cm	-3°C	0mm	0.06kPa	24134m	1.4m/s	1.4m/s
22:00 ☾	-5.4°C	0mm	86%	0cm	-3.4°C	0mm	0.07kPa	24134m	1.7m/s	1.8m/s
23:00 ☾	-5.9°C	0mm	85%	0cm	-3.8°C	0mm	0.07kPa	24134m	1.9m/s	2.1m/s
Fri, Mar 13 Sunrise 06:39 Sunset 18:21
24:00 ☾	-6.1°C	0mm	86%	0cm	-4.1°C	0mm	0.06kPa	23736m	2.4m/s	2.6m/s
01:00 ☾	-6.2°C	0mm	88%	0cm	-4.5°C	0mm	0.05kPa	23844m	2.8m/s	3m/s
02:00 ☾	-6.2°C	0mm	90%	0cm	-4.8°C	0mm	0.04kPa	14193m	2.8m/s	3m/s
03:00 ☾	-5.7°C	0mm	94%	0cm	-4.9°C	0mm	0.03kPa	10661m	3.1m/s	3.1m/s
04:00 ☾	-5.7°C	0mm	96%	0cm	-5.2°C	0mm	0.02kPa	5075m	3.7m/s	3.5m/s
05:00 ☾	-6°C	0mm	96%	0cm	-5.5°C	0mm	0.02kPa	3716m	3.8m/s	3.6m/s
06:00 ☾	-6.2°C	0mm	96%	0cm	-5.6°C	0mm	0.02kPa	1795m	3.8m/s	3.6m/s
07:00	-6°C	0mm	96%	0cm	-5.6°C	0mm	0.01kPa	1553m	4.1m/s	3.8m/s
08:00	-5.4°C	0mm	92%	0.01cm	-4.3°C	0.02mm	0.04kPa	4237m	4.4m/s	4.1m/s
09:00	-4.9°C	0mm	87%	0.03cm	-3.1°C	0.04mm	0.06kPa	6920m	4.6m/s	4.4m/s
10:00	-4.4°C	0mm	83%	0.04cm	-1.8°C	0.06mm	0.09kPa	9604m	4.9m/s	4.7m/s
11:00	-4.5°C	0.01mm	85%	0.05cm	-2.2°C	0.15mm	0.08kPa	7928m	5m/s	4.6m/s
12:00	-4.6°C	0.03mm	87%	0.06cm	-2.7°C	0.23mm	0.07kPa	6251m	5.1m/s	4.5m/s
13:00	-4.7°C	0.04mm	89%	0.07cm	-3.1°C	0.31mm	0.06kPa	4574m	5.1m/s	4.4m/s
14:00	-4.9°C	0.05mm	90%	0.08cm	-3.5°C	0.27mm	0.05kPa	4777m	5.2m/s	4.3m/s
15:00	-5.1°C	0.05mm	92%	0.08cm	-4°C	0.23mm	0.04kPa	4980m	5.2m/s	4.3m/s
16:00	-5.3°C	0.06mm	93%	0.09cm	-4.4°C	0.19mm	0.03kPa	5183m	5.2m/s	4.2m/s
17:00	-5.2°C	0.09mm	94%	0.12cm	-4.3°C	0.33mm	0.03kPa	3693m	5.5m/s	4.4m/s
18:00	-5°C	0.11mm	94%	0.15cm	-4.1°C	0.48mm	0.03kPa	2204m	5.8m/s	4.6m/s
19:00 ☾	-4.8°C	0.14mm	94%	0.18cm	-4°C	0.63mm	0.03kPa	715m	6.2m/s	4.9m/s
20:00 ☾	-4.9°C	0.2mm	94%	0.23cm	-4.1°C	0.65mm	0.03kPa	584m	6.2m/s	4.5m/s
21:00 ☾	-4.9°C	0.27mm	94%	0.29cm	-4.2°C	0.67mm	0.03kPa	453m	6.1m/s	4.2m/s
22:00 ☾	-5°C	0.33mm	95%	0.34cm	-4.3°C	0.69mm	0.02kPa	322m	6.1m/s	3.8m/s
23:00 ☾	-4.9°C	0.31mm	95%	0.34cm	-4.2°C	1mm	0.02kPa	297m	6.1m/s	3.9m/s
Sat, Mar 14 Sunrise 06:37 Sunset 18:23
24:00 ☾	-4.8°C	0.29mm	96%	0.35cm	-4.2°C	1.4mm	0.02kPa	271m	6.1m/s	4m/s
01:00 ☾	-4.7°C	0.27mm	96%	0.35cm	-4.2°C	1.8mm	0.02kPa	245m	6.1m/s	4.1m/s

How to read: these inputs help produce the derived score; they are not requirements by themselves.

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