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There are 15 upcoming opportunity windows in the next 10 days.

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Rule Fog Hunter

Zermatt - Fog Hunter - Alps

Zermatt, Valais, Switzerland

Thick, moody fog for atmospheric forest and landscape shots

Currently

Real-time conditions

Fog Probability

100%

Dewpoint Spread0.3°C

Visibility631 (Fog)

Relative Humidity98%

Wind Speed1.4m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/Zurich

Next opportunity

Dense Fog

Zermatt

Today · 02:00–03:00 · 1h window

High confidence

85%

🌫️Fog Probability100%

Dewpoint Spread: 0.3°C

Visibility: 631 (Fog)

Relative Humidity: 98%

Wind Speed: 1.4m/s (calm conditions)

Dense Fog

Zermatt

Today · 20:00–24:00

🌫️Fog Probability:94.4-100%

High

Moderate Fog

Zermatt

Tomorrow · 08:00–09:00

🌫️Fog Probability:68.1%

Medium

Moderate Fog

Zermatt

Tomorrow · 14:00–16:00

🌫️Fog Probability:62.2-76.7%

Medium

Dense Fog

Zermatt

Sun, Mar 15 · 15:00–17:00

🌫️Fog Probability:77.8-85.6%

Medium

Dense Fog at Sunset

Zermatt

Sun, Mar 15 · 17:00–19:00

🌫️Fog Probability:85.6-100%

High

Dense Fog at Dusk

Zermatt

Sun, Mar 15 · 19:00–20:00

🌫️Fog Probability:100%

Medium

+8 more windows in the next 10 days

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72-hour requirements breakdown

What passed or failed, hour by hour

8matching 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, Mar 10
02:00	-
03:00	-
04:00	-
05:00	-
06:00	-
07:00	-
08:00	-
09:00	0%
10:00	0%
11:00	0%
12:00	27%
13:00	31%
14:00	59%
15:00	41%
16:00	46%
17:00	0%
18:00	0%
19:00	0%
20:00	58%
21:00	58%
22:00	0%
23:00	0%
Wed, Mar 11
24:00	0%
01:00	0%
02:00	100%
03:00	49%
04:00	47%
05:00	38%
06:00	32%
07:00	30%
08:00	0%
09:00	0%
10:00	0%
11:00	0%
12:00	0%
13:00	0%
14:00	53%
15:00	31%
16:00	34%
17:00	45%
18:00	55%
19:00	58%
20:00	100%
21:00	94%
22:00	100%
23:00	100%
Thu, Mar 12
24:00	55%
01:00	57%
02:00	57%
03:00	0%
04:00	0%
05:00	0%
06:00	0%
07:00	0%
08:00	68%
09:00	0%
10:00	0%
11:00	0%
12:00	0%
13:00	0%
14:00	62%
15:00	77%
16:00	39%
17:00	0%
18:00	44%
19:00	36%
20:00	0%
21:00	0%
22:00	60%
23:00	0%
Fri, Mar 13
24:00	0%
01:00	0%
02:00	0%
03:00	0%
04:00	0%
05:00	0%
06:00	0%
07:00	0%
08:00	0%
09:00	0%
10:00	0%
11:00	0%
12:00	43%
13:00	53%
14:00	51%
15:00	0%
16:00	0%
17:00	0%
18:00	0%
19:00	0%
20:00	0%
21:00	0%
22:00	0%
23:00	32%
Sat, Mar 14
24:00	32%

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 06:49 Sunset 18:28
02:00 ☾	-8.1°C	0.13mm	98%	0.13cm	-7.8°C	0.19mm	0.01kPa	631m	1.3m/s	1.4m/s
03:00 ☾	-8.6°C	0.05mm	98%	0cm	-8.4°C	0.25mm	0.01kPa	2155m	1.4m/s	1.3m/s
04:00 ☾	-9.4°C	0.02mm	98%	0cm	-9.1°C	0.25mm	0.01kPa	4353m	1.2m/s	0.9m/s
05:00 ☾	-9.3°C	0mm	97%	0cm	-8.9°C	0.31mm	0.01kPa	14398m	1m/s	0.46m/s
06:00 ☾	-9.7°C	0mm	95%	0cm	-9.1°C	0.31mm	0.01kPa	24134m	1.1m/s	0.74m/s
07:00	-10°C	0mm	94%	0cm	-9.2°C	0.31mm	0.02kPa	24134m	0.9m/s	0.73m/s
08:00	-8.9°C	0mm	91%	0cm	-7.7°C	0mm	0.03kPa	24135m	0.9m/s	0.88m/s
09:00	-8.4°C	0mm	84%	0cm	-6.1°C	0mm	0.06kPa	24135m	1.4m/s	1.5m/s
10:00	-7.9°C	0mm	83%	0cm	-5.4°C	0mm	0.07kPa	23569m	1.7m/s	1.9m/s
11:00	-7.3°C	0.01mm	84%	0cm	-4.9°C	0mm	0.07kPa	10144m	1.9m/s	2m/s
12:00	-6.8°C	0.01mm	85%	0cm	-4.6°C	0mm	0.07kPa	5579m	2.1m/s	2.3m/s
13:00	-6.7°C	0.02mm	84%	0cm	-4.4°C	0.06mm	0.07kPa	3123m	2.2m/s	2.4m/s
14:00	-6.8°C	0.01mm	83%	0cm	-4.4°C	0.06mm	0.07kPa	2062m	2.1m/s	2.2m/s
15:00	-6.9°C	0.03mm	82%	0cm	-4.3°C	0.25mm	0.08kPa	1865m	1.9m/s	1.9m/s
16:00	-6.7°C	0.03mm	83%	0.2cm	-4.3°C	0.44mm	0.08kPa	1659m	1.9m/s	1.8m/s
17:00	-6.4°C	0.04mm	87%	0.17cm	-4.6°C	0.56mm	0.06kPa	1385m	1.9m/s	1.7m/s
18:00	-6.3°C	0.05mm	94%	0.11cm	-5.5°C	0.69mm	0.02kPa	916m	1.9m/s	1.8m/s
19:00 ☾	-6.9°C	0.04mm	98%	0cm	-6.5°C	0.81mm	0.01kPa	935m	1.5m/s	1.6m/s
20:00 ☾	-7°C	0.03mm	98%	0cm	-6.7°C	0.06mm	0.01kPa	1450m	1.4m/s	1.4m/s
21:00 ☾	-7.5°C	0.01mm	98%	0cm	-7.2°C	0.06mm	0.01kPa	2324m	1.4m/s	1.4m/s
22:00 ☾	-8.1°C	0.02mm	98%	0cm	-7.8°C	0.06mm	0.01kPa	1858m	1.4m/s	1.4m/s
23:00 ☾	-8.1°C	0.13mm	97%	0.13cm	-7.6°C	0.13mm	0.01kPa	424m	1.3m/s	1.3m/s
Thu, Mar 12 Sunrise 06:49 Sunset 18:28
24:00 ☾	-7.8°C	0.39mm	95%	0.39cm	-7.1°C	0.31mm	0.02kPa	176m	1.2m/s	1.1m/s
01:00 ☾	-7.5°C	0.6mm	95%	0.61cm	-6.8°C	0.75mm	0.02kPa	126m	1.1m/s	0.96m/s
02:00 ☾	-7.2°C	0.9mm	96%	0.9cm	-6.6°C	0.69mm	0.02kPa	113m	0.72m/s	0.65m/s
03:00 ☾	-7°C	1.2mm	96%	1.2cm	-6.5°C	1.6mm	0.02kPa	106m	1m/s	0.83m/s
04:00 ☾	-6.9°C	1.6mm	96%	1.6cm	-6.4°C	3mm	0.01kPa	93m	1.8m/s	1.6m/s
05:00 ☾	-7.1°C	1.3mm	96%	1.3cm	-6.6°C	4.5mm	0.01kPa	97m	2.3m/s	2.2m/s
06:00 ☾	-7.7°C	0.67mm	96%	0.67cm	-7.2°C	5.5mm	0.01kPa	127m	2.8m/s	2.7m/s
07:00	-8.2°C	0.13mm	96%	0.13cm	-7.7°C	5.9mm	0.01kPa	497m	2.8m/s	2.7m/s
08:00	-8.7°C	0.01mm	94%	0cm	-7.9°C	0.06mm	0.02kPa	14225m	2.3m/s	2.1m/s
09:00	-9.1°C	0mm	86%	0cm	-7.1°C	0.06mm	0.05kPa	24054m	1.6m/s	1.6m/s
10:00	-9.4°C	0mm	78%	0cm	-6.2°C	0.06mm	0.08kPa	22576m	1.3m/s	1.5m/s
11:00	-8.4°C	0mm	79%	0cm	-5.3°C	0.06mm	0.09kPa	16575m	1.2m/s	1.5m/s
12:00	-7.4°C	0mm	82%	0cm	-4.8°C	0.06mm	0.08kPa	4735m	1.2m/s	1.5m/s
13:00	-7°C	0.02mm	82%	0cm	-4.4°C	0.13mm	0.08kPa	3086m	1m/s	1.4m/s
14:00	-6.9°C	0.05mm	82%	0.11cm	-4.4°C	0.06mm	0.08kPa	1231m	0.6m/s	0.56m/s
15:00	-6.4°C	0.04mm	85%	0.11cm	-4.2°C	0.19mm	0.07kPa	783m	0.72m/s	0.46m/s
16:00	-6.3°C	0.04mm	84%	0.08cm	-4.1°C	0.31mm	0.07kPa	862m	0.9m/s	0.35m/s
17:00	-5.6°C	0.01mm	88%	0.02cm	-4°C	0.38mm	0.05kPa	3113m	0.51m/s	0.34m/s
18:00	-6.5°C	0.01mm	95%	0cm	-5.8°C	0.38mm	0.02kPa	4905m	0.3m/s	0.36m/s
19:00 ☾	-7.7°C	0mm	96%	0cm	-7.2°C	0.38mm	0.01kPa	10354m	0.63m/s	0.66m/s
20:00 ☾	-8.3°C	0mm	91%	0cm	-7.1°C	0mm	0.03kPa	24134m	1.7m/s	1.9m/s
21:00 ☾	-9.5°C	0mm	91%	0cm	-8.3°C	0mm	0.03kPa	24134m	1.6m/s	1.7m/s
22:00 ☾	-9.8°C	0mm	93%	0cm	-8.8°C	0mm	0.02kPa	24134m	1.1m/s	1.1m/s
23:00 ☾	-10°C	0mm	91%	0cm	-8.8°C	0mm	0.03kPa	7145m	1.4m/s	1.4m/s
Fri, Mar 13 Sunrise 06:47 Sunset 18:30
24:00 ☾	-11°C	0mm	83%	0cm	-8.8°C	0mm	0.05kPa	24134m	1.4m/s	1.5m/s
01:00 ☾	-13°C	0mm	76%	0cm	-9.3°C	0mm	0.07kPa	24135m	1.5m/s	1.6m/s
02:00 ☾	-12°C	0mm	78%	0cm	-9.5°C	0mm	0.07kPa	4897m	1.5m/s	1.6m/s
03:00 ☾	-13°C	0mm	79%	0cm	-9.6°C	0mm	0.06kPa	4044m	1.4m/s	1.4m/s
04:00 ☾	-13°C	0mm	78%	0cm	-9.5°C	0mm	0.07kPa	4175m	1.9m/s	1.9m/s
05:00 ☾	-13°C	0mm	79%	0cm	-9.9°C	0mm	0.06kPa	4537m	2m/s	2.1m/s
06:00 ☾	-13°C	0mm	79%	0cm	-9.9°C	0mm	0.06kPa	4572m	2.1m/s	2.2m/s
07:00	-13°C	0mm	80%	0cm	-9.8°C	0mm	0.06kPa	4179m	2.1m/s	2.2m/s
08:00	-10°C	0.003mm	83%	0cm	-7.8°C	0mm	0.06kPa	7954m	2.5m/s	2.7m/s
09:00	-7.7°C	0.007mm	86%	0cm	-5.7°C	0mm	0.06kPa	11729m	2.9m/s	3.2m/s
10:00	-5.2°C	0.01mm	89%	0cm	-3.6°C	0mm	0.05kPa	15504m	3.3m/s	3.7m/s
11:00	-6.1°C	0.01mm	91%	0cm	-4.8°C	0.02mm	0.04kPa	11726m	4.2m/s	4.4m/s
12:00	-6.9°C	0.01mm	94%	0cm	-6.1°C	0.04mm	0.02kPa	7949m	5.1m/s	5m/s
13:00	-7.7°C	0.01mm	96%	0cm	-7.3°C	0.06mm	0.01kPa	4172m	5.9m/s	5.6m/s
14:00	-7.9°C	0.01mm	95%	0.008cm	-7.3°C	0.06mm	0.02kPa	4374m	6.2m/s	5.9m/s
15:00	-8°C	0.01mm	95%	0.02cm	-7.2°C	0.06mm	0.02kPa	4576m	6.5m/s	6.2m/s
16:00	-8.1°C	0.01mm	94%	0.02cm	-7.2°C	0.06mm	0.02kPa	4778m	6.7m/s	6.5m/s
17:00	-7.9°C	0.03mm	94%	0.04cm	-7.1°C	0.1mm	0.02kPa	4614m	6.8m/s	6.5m/s
18:00	-7.7°C	0.04mm	94%	0.06cm	-6.9°C	0.15mm	0.02kPa	4450m	6.8m/s	6.5m/s
19:00 ☾	-7.5°C	0.06mm	95%	0.07cm	-6.8°C	0.19mm	0.02kPa	4287m	6.9m/s	6.5m/s
20:00 ☾	-7.6°C	0.06mm	95%	0.05cm	-6.9°C	0.25mm	0.02kPa	4213m	6.8m/s	6.4m/s
21:00 ☾	-7.7°C	0.06mm	96%	0.03cm	-7.1°C	0.31mm	0.02kPa	4139m	6.8m/s	6.3m/s
22:00 ☾	-7.8°C	0.06mm	96%	0cm	-7.3°C	0.38mm	0.01kPa	4065m	6.7m/s	6.2m/s
23:00 ☾	-7.6°C	0.23mm	95%	0.19cm	-7°C	0.65mm	0.02kPa	3173m	6.5m/s	6m/s
Sat, Mar 14 Sunrise 06:46 Sunset 18:31
24:00 ☾	-7.5°C	0.39mm	95%	0.39cm	-6.8°C	0.92mm	0.02kPa	2281m	6.3m/s	5.8m/s
01:00 ☾	-7.3°C	0.56mm	95%	0.58cm	-6.6°C	1.2mm	0.02kPa	1388m	6.1m/s	5.7m/s

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

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