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Rule Fog Hunter

Zelenci Springs - Fog Hunter - Slovenian Alps

Kranjska Gora, Kranjska Gora, Slovenia

Thick, moody fog for atmospheric forest and landscape shots

Currently

Real-time conditions
Dewpoint Spread7.0°C
Visibility24135 (Clear)
Relative Humidity61%
Wind Speed1.7m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/Ljubljana
fog weather icon
Next opportunity
Moderate Fog
Zelenci Springs
Wed, Apr 15 · 18:00–19:00 · 1h window
Low confidence
33%
🌫️Fog Probability66.7%
Dewpoint Spread: 0.5°C
Visibility: 13358 (Clear)
Relative Humidity: 97%
Wind Speed: 1.2m/s (calm conditions)
fog weather icon
Dense Fog at Sunset
Zelenci Springs
Wed, Apr 15 · 19:00–21:00
🌫️Fog Probability:84.8-91.1%
High
fog weather icon
Dense Fog
Zelenci Springs
Wed, Apr 15 · 21:00–24:00
🌫️Fog Probability:84.8-91.1%
High

What this forecast looks for

Plain-language explanation from the rule

This forecast tracks the atmospheric conditions that create Slovenia's most iconic photography. We combine fog probability, dewpoint spread, and visibility data to predict when mist transforms these fairy-tale landscapes.

Lake Bled with its island church is one of Europe's most photographed scenes, but morning fog can elevate it to truly magical. The Julian Alps offer dramatic peaks rising above emerald lakes and valleys, with conditions that can transform overnight.

What makes the Slovenian Alps special for photography:

  • Lake fog - Bled and Bohinj produce reliable morning mist that frames the dramatic scenery
  • Fairy-tale compositions - Island churches, medieval castles, and Alpine villages
  • Emerald waters - Glacially-fed lakes with distinctive turquoise color
  • Compact geography - Multiple iconic locations within short distances

Peak fog season runs from late August through October. Arrive well before dawn for the best mist at Lake Bled—conditions can change rapidly as the sun warms the valley. Higher viewpoints like Ojstrica or Mala Osojnica offer shots looking down at fog-shrouded lakes.

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72-hour requirements breakdown

What passed or failed, hour by hour
0matching hours in the next 95 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Europe/Ljubljana
Fog Probability
≥ 60.0%
Wed, Apr 8
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%
Thu, Apr 9
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%
Fri, Apr 10
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%
21:0046%
22:0051%
23:000%
Sat, Apr 11
24:000%
01:000%
02:000%
03:0039%
04:0043%
05:0043%
06:0044%
07:0045%
08:0040%
09:0026%
10:0026%
11:000%
12:000%
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:0043%
21:0043%
22:0043%
23:0043%
Sun, Apr 12
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/Ljubljana
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
Thu, Apr 9 Sunrise 06:29 Sunset 19:44
10:00
62% -0.6°C 0mm 61% 0cm 34° 6.4°C 0mm 0.38kPa 24135m 1.5m/s 1.7m/s
11:00
87% -0.2°C 0mm 54% 0cm 43° 8.6°C 0mm 0.51kPa 24134m 1m/s 1.7m/s
12:00
87% 0.1°C 0mm 48% 0cm 49° 11°C 0mm 0.66kPa 24135m 1.2m/s 1.5m/s
13:00
87% 0.2°C 0mm 43% 0cm 51° 12°C 0mm 0.81kPa 24134m 1.5m/s 1.4m/s
14:00
87% 0.2°C 0mm 40% 0cm 50° 14°C 0mm 0.93kPa 24134m 1.6m/s 1.2m/s
15:00
71% 0.3°C 0mm 38% 0cm 44° 14°C 0mm 1kPa 24135m 1.9m/s 1.1m/s
16:00
54% 0.5°C 0mm 39% 0cm 36° 14°C 0mm 1kPa 24135m 2.2m/s 0.9m/s
17:00
38% 0.7°C 0mm 41% 0cm 27° 14°C 0mm 0.93kPa 24135m 2.5m/s 1.1m/s
18:00
47% 1.4°C 0mm 47% 0cm 17° 12°C 0mm 0.76kPa 24134m 1.4m/s 1.2m/s
19:00
55% 3°C 0mm 63% 0cm 6.8° 9.7°C 0mm 0.45kPa 24135m 2m/s 1m/s
20:00
64% 2.6°C 0mm 76% 0cm -3.4° 6.5°C 0mm 0.23kPa 24135m 1.6m/s 1.5m/s
21:00
75% 2.5°C 0mm 82% 0cm -13° 5.3°C 0mm 0.16kPa 24135m 1.1m/s 1.2m/s
22:00
85% 2.4°C 0mm 86% 0cm -22° 4.6°C 0mm 0.12kPa 24135m 0.5m/s 0.46m/s
23:00
96% 2.2°C 0mm 88% 0cm -29° 4.1°C 0mm 0.1kPa 24134m 0.51m/s 0.42m/s
Fri, Apr 10 Sunrise 06:29 Sunset 19:44
24:00
97% 1.9°C 0mm 89% 0cm -34° 3.5°C 0mm 0.09kPa 24134m 0.71m/s 0.67m/s
01:00
98% 1.3°C 0mm 90% 0cm -36° 2.8°C 0mm 0.07kPa 24135m 0.7m/s 0.67m/s
02:00
99% 1°C 0mm 91% 0cm -34° 2.3°C 0mm 0.07kPa 24134m 0.7m/s 0.57m/s
03:00
93% 0.6°C 0mm 92% 0cm -30° 1.9°C 0mm 0.06kPa 24135m 0.64m/s 0.49m/s
04:00
86% 0.3°C 0mm 92% 0cm -23° 1.4°C 0mm 0.05kPa 24135m 0.51m/s 0.38m/s
05:00
80% 0.2°C 0mm 91% 0cm -15° 1.6°C 0mm 0.06kPa 24135m 0.21m/s 0.24m/s
06:00
64% 0°C 0mm 92% 0cm -5.4° 1.1°C 0mm 0.05kPa 24134m 0.6m/s 0.62m/s
07:00
47% 0°C 0mm 90% 0cm 4.9° 1.5°C 0mm 0.07kPa 24135m 0.62m/s 0.69m/s
08:00
31% 0.4°C 0mm 81% 0cm 15° 3.4°C 0mm 0.15kPa 24135m 1m/s 0.92m/s
09:00
23% 0.8°C 0mm 71% 0cm 25° 5.7°C 0mm 0.27kPa 24134m 0.71m/s 0.71m/s
10:00
15% 1.3°C 0mm 63% 0cm 35° 8°C 0mm 0.4kPa 24134m 1m/s 0.6m/s
11:00
7% 1.8°C 0mm 56% 0cm 43° 10°C 0mm 0.54kPa 24135m 1.4m/s 0.35m/s
12:00
5% 2°C 0mm 52% 0cm 49° 11°C 0mm 0.65kPa 24135m 1.7m/s 0.6m/s
13:00
2% 2.6°C 0mm 49% 0cm 52° 13°C 0mm 0.77kPa 24135m 1.9m/s 0.63m/s
14:00
0% 2.7°C 0mm 48% 0cm 50° 14°C 0mm 0.81kPa 24135m 2m/s 0.77m/s
15:00
0% 3°C 0mm 50% 0cm 45° 13°C 0mm 0.74kPa 21013m 2.1m/s 0.38m/s
16:00
0% 3.5°C 0mm 62% 0cm 37° 11°C 0.06mm 0.49kPa 24134m 1.4m/s 1.1m/s
17:00
0% 4.1°C 0.09mm 69% 0cm 27° 9.5°C 0.06mm 0.36kPa 24135m 2.1m/s 1.2m/s
18:00
0% 4.9°C 0.48mm 82% 0cm 17° 7.9°C 0.5mm 0.2kPa 17833m 3.4m/s 2m/s
19:00
0% 5.3°C 0.77mm 91% 0cm 7.1° 6.7°C 1mm 0.09kPa 16336m 3.3m/s 2m/s
20:00
0% 5.2°C 0.33mm 96% 0cm -3.1° 5.8°C 1.6mm 0.04kPa 21750m 2m/s 1.5m/s
21:00
0% 5.1°C 0.39mm 97% 0cm -13° 5.5°C 0.38mm 0.03kPa 6940m 1.4m/s 1.1m/s
22:00
0% 5.1°C 0.57mm 98% 0cm -21° 5.5°C 0.88mm 0.02kPa 627m 1.2m/s 0.91m/s
23:00
0% 5.1°C 0.13mm 97% 0cm -29° 5.5°C 1.3mm 0.03kPa 618m 1.3m/s 0.77m/s
Sat, Apr 11 Sunrise 06:27 Sunset 19:45
24:00
0% 5.1°C 0.05mm 96% 0cm -33° 5.6°C 1.4mm 0.04kPa 7585m 1.1m/s 0.58m/s
01:00
0% 4.8°C 0.02mm 95% 0cm -35° 5.6°C 1.4mm 0.05kPa 13140m 0.92m/s 0.54m/s
02:00
0% 4.6°C 0.02mm 94% 0cm -34° 5.5°C 1.4mm 0.06kPa 24134m 0.91m/s 0.57m/s
03:00
0% 4.5°C 0.01mm 94% 0cm -30° 5.5°C 0mm 0.06kPa 24135m 0.91m/s 0.64m/s
04:00
1% 4.4°C 0.02mm 94% 0cm -23° 5.3°C 0.06mm 0.05kPa 24134m 0.6m/s 0.44m/s
05:00
1% 4.3°C 0mm 94% 0cm -15° 5.1°C 0.06mm 0.05kPa 24135m 0.71m/s 0.71m/s
06:00
1% 4.1°C 0mm 95% 0cm -5° 4.9°C 0.06mm 0.05kPa 8515m 1m/s 0.92m/s
07:00
1% 4°C 0mm 95% 0cm 5.2° 4.7°C 0.06mm 0.04kPa 7411m 1m/s 0.87m/s
08:00
1% 4.1°C 0mm 94% 0cm 15° 5°C 0.06mm 0.05kPa 7252m 0.81m/s 0.86m/s
09:00
3% 4.6°C 0.01mm 93% 0cm 26° 5.7°C 0mm 0.07kPa 532m 0.92m/s 1m/s
10:00
5% 5°C 0mm 91% 0cm 35° 6.3°C 0mm 0.08kPa 534m 0.81m/s 1.2m/s
11:00
7% 5.3°C 0mm 88% 0cm 43° 7.1°C 0.06mm 0.12kPa 7653m 1m/s 1.1m/s
12:00
5% 5.2°C 0mm 80% 0cm 49° 8.6°C 0.06mm 0.23kPa 24135m 1.7m/s 0.52m/s
13:00
3% 5.4°C 0mm 74% 0cm 52° 9.8°C 0.06mm 0.31kPa 24135m 2m/s 0.79m/s
14:00
1% 5.2°C 0mm 74% 0cm 50° 9.7°C 0.13mm 0.31kPa 24134m 2.1m/s 1.4m/s
15:00
4% 5.2°C 0mm 79% 0cm 45° 8.8°C 0.08mm 0.24kPa 24134m 2m/s 1.2m/s
16:00
8% 5.1°C 0mm 83% 0cm 37° 7.8°C 0.04mm 0.18kPa 24135m 1.8m/s 1.1m/s
17:00
11% 5°C 0mm 88% 0cm 28° 6.9°C 0mm 0.12kPa 24135m 1.6m/s 0.88m/s
18:00
13% 4.7°C 0mm 90% 0cm 18° 6.2°C 0mm 0.1kPa 24135m 1.5m/s 0.93m/s
19:00
15% 4.3°C 0mm 92% 0cm 7.3° 5.6°C 0mm 0.07kPa 24135m 1.3m/s 0.97m/s
20:00
17% 4°C 0mm 94% 0cm -2.9° 4.9°C 0mm 0.05kPa 24135m 1.1m/s 1m/s
21:00
19% 3.9°C 0mm 94% 0cm -13° 4.8°C 0mm 0.05kPa 22148m 1.1m/s 1.1m/s
22:00
22% 3.8°C 0mm 94% 0cm -21° 4.7°C 0mm 0.05kPa 20161m 1.1m/s 1.1m/s
23:00
24% 3.8°C 0mm 94% 0cm -28° 4.7°C 0mm 0.05kPa 18174m 1m/s 1.2m/s
Sun, Apr 12 Sunrise 06:25 Sunset 19:46
24:00
18% 4°C 0mm 90% 0cm -33° 5.5°C 0mm 0.09kPa 20161m 0.93m/s 0.81m/s
01:00
12% 4.3°C 0mm 87% 0cm -35° 6.4°C 0mm 0.13kPa 22148m 0.82m/s 0.46m/s
02:00
6% 4.5°C 0mm 83% 0cm -34° 7.2°C 0mm 0.17kPa 24135m 0.71m/s 0.12m/s
03:00
8% 5.2°C 0mm 74% 0cm -29° 9.6°C 0mm 0.31kPa 24135m 0.99m/s 0.24m/s
04:00
10% 5.7°C 0mm 65% 0cm -23° 12°C 0mm 0.49kPa 24135m 1.3m/s 0.37m/s
05:00
12% 5.8°C 0mm 56% 0cm -14° 14°C 0mm 0.72kPa 24135m 1.5m/s 0.5m/s
06:00
12% 5.8°C 0mm 54% 0cm -4.7° 15°C 0mm 0.79kPa 24135m 1.7m/s 0.91m/s
07:00
13% 5.9°C 0mm 52% 0cm 5.5° 16°C 0mm 0.86kPa 24135m 1.8m/s 1.3m/s
08:00
13% 5.9°C 0mm 50% 0cm 16° 16°C 0mm 0.94kPa 24135m 1.9m/s 1.7m/s
09:00
17% 5.9°C 0mm 51% 0cm 26° 16°C 0mm 0.89kPa 24135m 1.9m/s 1.7m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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