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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 Spread4.3°C
Visibility10597 (Clear)
Relative Humidity74%
Wind Speed0.5m/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
Tomorrow · 03:00–05:00 · 2h window
Medium confidence
48%
🌫️Fog Probability63.9-72.2%
Dewpoint Spread: 0.6°C
Visibility: 13820 (Clear)
Relative Humidity: 96%
Wind Speed: 0.7m/s (calm conditions)
fog weather icon
Moderate Fog at Sunrise
Zelenci Springs
Tomorrow · 05:00–07:00
🌫️Fog Probability:72.2-80.6%
High
fog weather icon
Dense Fog
Zelenci Springs
Tomorrow · 07:00–11:00
🌫️Fog Probability:87.8-100%
High
fog weather icon
Moderate Fog
Zelenci Springs
Tue, Mar 17 · 01:00–04:00
🌫️Fog Probability:68.1-76.4%
Medium
fog weather icon
Moderate Fog
Zelenci Springs
Tue, Mar 17 · 21:00–02:00
🌫️Fog Probability:68.1-83.3%
Medium
fog weather icon
Moderate Fog
Zelenci Springs
Sun, Mar 22 · 16:00–17:00
🌫️Fog Probability:67.2%
Low
fog weather icon
Moderate Fog
Zelenci Springs
Tue, Mar 24 · 04:00–05:00
🌫️Fog Probability:63.9%
Low
+1 more windows in the next 10 days

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
16matching hours in the next 80 hoursJump to next match
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Europe/Ljubljana
Fog Probability
≥ 60.0%
Sun, Mar 15
05:0058%
06:0046%
07:0036%
08:0060%
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, Mar 16
24:0030%
01:0030%
02:0060%
03:0064%
04:0072%
05:0072%
06:0081%
07:00100%
08:00100%
09:0091%
10:0088%
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%
Tue, Mar 17
24:000%
01:0068%
02:0076%
03:0076%
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%
21:0068%
22:0083%
23:0081%
Wed, Mar 18
24:0076%
01:0076%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
12:000%
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
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
Sun, Mar 15 Sunrise 06:18 Sunset 18:10
14:00
2.6°C 0.05mm 74% 0cm 6.9°C 0.25mm 0.25kPa 10597m 0.9m/s 0.5m/s
15:00
2.6°C 0.12mm 75% 0cm 6.8°C 0.56mm 0.25kPa 10652m 0.8m/s 0.32m/s
16:00
2.8°C 0.11mm 77% 0cm 6.5°C 0.94mm 0.22kPa 8247m 0.81m/s 0.44m/s
17:00
3.3°C 0.02mm 83% 0cm 5.9°C 1.3mm 0.16kPa 12442m 1m/s 0.77m/s
18:00
3.2°C 0mm 90% 0cm 4.7°C 1.4mm 0.08kPa 24134m 1.2m/s 0.85m/s
19:00
2.6°C 0mm 92% 0cm 3.8°C 1.5mm 0.06kPa 24134m 0.84m/s 0.85m/s
20:00
2°C 0mm 90% 0cm 3.5°C 0.06mm 0.08kPa 24134m 0.7m/s 0.67m/s
21:00
1.8°C 0mm 91% 0cm 3.1°C 0.13mm 0.07kPa 22059m 0.51m/s 0.54m/s
22:00
1.9°C 0mm 92% 0cm 3°C 0.25mm 0.06kPa 23041m 0.51m/s 0.49m/s
23:00
2°C 0mm 93% 0cm 3.1°C 0.31mm 0.06kPa 24135m 0.71m/s 0.63m/s
Mon, Mar 16 Sunrise 06:18 Sunset 18:10
24:00
1.9°C 0mm 94% 0cm 2.9°C 0.38mm 0.05kPa 24135m 0.73m/s 0.64m/s
01:00
1.8°C 0mm 94% 0cm 2.7°C 0.44mm 0.04kPa 24135m 0.7m/s 0.65m/s
02:00
1.9°C 0mm 94% 0cm 2.7°C 0mm 0.04kPa 24135m 0.73m/s 0.71m/s
03:00
2°C 0mm 95% 0cm 2.7°C 0.06mm 0.03kPa 24134m 1m/s 0.69m/s
04:00
2.5°C 0mm 96% 0cm 3.1°C 0.06mm 0.03kPa 13820m 1m/s 0.66m/s
05:00
2.8°C 0mm 96% 0cm 3.4°C 0.06mm 0.03kPa 11424m 1.3m/s 0.88m/s
06:00
2.7°C 0mm 96% 0.03cm 3.2°C 0.13mm 0.03kPa 7501m 1.6m/s 1.1m/s
07:00
2.8°C 0.03mm 97% 0.07cm 3.3°C 0.19mm 0.03kPa 622m 1.7m/s 1.3m/s
08:00
2.6°C 0mm 95% 0cm 3.3°C 0.06mm 0.04kPa 471m 1.8m/s 1.4m/s
09:00
2.8°C 0.01mm 96% 0.07cm 3.5°C 0.13mm 0.04kPa 324m 1.7m/s 1.4m/s
10:00
2.8°C 0.01mm 94% 0cm 3.6°C 0.19mm 0.05kPa 943m 1.5m/s 1.3m/s
11:00
2.7°C 0mm 88% 0cm 4.5°C 0.19mm 0.1kPa 21224m 1.2m/s 1.3m/s
12:00
2.9°C 0mm 82% 0cm 5.8°C 0.25mm 0.17kPa 11569m 0.9m/s 1.5m/s
13:00
2.9°C 0.01mm 81% 0cm 6°C 0.38mm 0.18kPa 12041m 1.2m/s 1.7m/s
14:00
3.1°C 0.02mm 80% 0cm 6.2°C 0.13mm 0.18kPa 10462m 1.1m/s 1.6m/s
15:00
2.9°C 0.04mm 80% 0cm 6.1°C 0.25mm 0.19kPa 10452m 1.1m/s 1.3m/s
16:00
2.8°C 0.02mm 80% 0cm 6°C 0.31mm 0.19kPa 10488m 1.3m/s 1.5m/s
17:00
2.6°C 0mm 81% 0cm 5.6°C 0.38mm 0.18kPa 11900m 1.5m/s 1.4m/s
18:00
2.4°C 0mm 87% 0cm 4.3°C 0.38mm 0.1kPa 24135m 1.5m/s 1.3m/s
19:00
2.2°C 0mm 88% 0cm 3.9°C 0.38mm 0.09kPa 24134m 1.3m/s 1m/s
20:00
2.4°C 0mm 89% 0cm 4°C 0mm 0.09kPa 24134m 1m/s 0.75m/s
21:00
2.4°C 0mm 88% 0cm 4.1°C 0mm 0.1kPa 24135m 0.7m/s 0.68m/s
22:00
2.5°C 0.01mm 90% 0cm 4°C 0mm 0.08kPa 24134m 0.71m/s 0.74m/s
23:00
2.5°C 0.03mm 92% 0cm 3.7°C 0.06mm 0.07kPa 24135m 0.72m/s 0.59m/s
Tue, Mar 17 Sunrise 06:16 Sunset 18:11
24:00
2.7°C 0.01mm 93% 0cm 3.7°C 0.06mm 0.06kPa 12382m 1.5m/s 0.96m/s
01:00
2.7°C 0mm 94% 0cm 3.6°C 0.13mm 0.05kPa 10444m 1.5m/s 0.96m/s
02:00
2.5°C 0mm 94% 0cm 3.4°C 0mm 0.05kPa 7976m 1.8m/s 1.2m/s
03:00
2.2°C 0mm 93% 0.03cm 3.1°C 0.06mm 0.05kPa 7716m 1.8m/s 1.4m/s
04:00
1.6°C 0mm 92% 0cm 2.6°C 0.13mm 0.06kPa 7308m 1.8m/s 1.3m/s
05:00
1.1°C 0mm 92% 0cm 2.3°C 0.13mm 0.06kPa 7180m 1.8m/s 1.3m/s
06:00
0.6°C 0mm 92% 0cm 1.7°C 0.13mm 0.06kPa 7589m 1.9m/s 1.3m/s
07:00
-0.1°C 0mm 90% 0cm 1.4°C 0.13mm 0.07kPa 24135m 1.8m/s 1.1m/s
08:00
-0.5°C 0mm 82% 0cm 2.3°C 0mm 0.13kPa 24135m 1.7m/s 1.2m/s
09:00
-0.8°C 0mm 73% 0cm 3.5°C 0mm 0.21kPa 24135m 2m/s 1.6m/s
10:00
-0.8°C 0mm 66% 0cm 5.1°C 0mm 0.3kPa 24134m 1.9m/s 1.6m/s
11:00
-1°C 0mm 61% 0cm 6°C 0mm 0.37kPa 24134m 2.2m/s 1.9m/s
12:00
-1°C 0mm 57% 0cm 6.9°C 0mm 0.43kPa 24134m 2.3m/s 1.9m/s
13:00
-0.9°C 0mm 56% 0cm 7.3°C 0mm 0.45kPa 24135m 2.3m/s 2m/s
14:00
-0.6°C 0mm 57% 0cm 7.4°C 0mm 0.44kPa 24135m 2.3m/s 2m/s
15:00
-0.4°C 0mm 58% 0cm 7.4°C 0mm 0.43kPa 24134m 1.9m/s 1.7m/s
16:00
-0.2°C 0mm 60% 0cm 6.9°C 0mm 0.39kPa 24134m 1.9m/s 1.6m/s
17:00
0.2°C 0mm 66% 0cm 6.1°C 0mm 0.32kPa 24135m 2.5m/s 2.2m/s
18:00
0.9°C 0mm 78% 0cm 4.4°C 0mm 0.18kPa 24135m 3.8m/s 2.8m/s
19:00
1.6°C 0mm 89% 0cm 3.3°C 0mm 0.09kPa 24134m 3.6m/s 2.5m/s
20:00
0.9°C 0mm 92% 0cm 2.2°C 0.04mm 0.06kPa 17955m 3.2m/s 2.1m/s
21:00
0.3°C 0mm 94% 0cm 1°C 0.08mm 0.04kPa 11775m 2.8m/s 1.7m/s
22:00
-0.4°C 0mm 97% 0cm -0.07°C 0.13mm 0.02kPa 5596m 2.4m/s 1.3m/s
23:00
-0.6°C 0mm 96% 0cm -0.08°C 0.13mm 0.02kPa 6751m 2.3m/s 1.3m/s
Wed, Mar 18 Sunrise 06:14 Sunset 18:12
24:00
-0.8°C 0mm 95% 0cm -0.09°C 0.13mm 0.03kPa 7907m 2.3m/s 1.3m/s
01:00
-1°C 0mm 94% 0cm -0.1°C 0.13mm 0.04kPa 9062m 2.2m/s 1.3m/s
02:00
-1.4°C 0mm 81% 0cm 1.5°C 0.08mm 0.13kPa 14086m 2.7m/s 1.5m/s
03:00
-2.1°C 0mm 69% 0cm 3.1°C 0.04mm 0.24kPa 19111m 3.2m/s 1.8m/s
04:00
-3.4°C 0mm 56% 0cm 4.6°C 0mm 0.37kPa 24135m 3.7m/s 2m/s
05:00
-3.8°C 0mm 51% 0cm 5.6°C 0mm 0.45kPa 24135m 4m/s 2m/s
06:00
-4.4°C 0mm 46% 0cm 6.5°C 0mm 0.53kPa 24135m 4.3m/s 2m/s
07:00
-5.1°C 0mm 40% 0cm 7.5°C 0mm 0.62kPa 24135m 4.6m/s 2m/s
08:00
-4.6°C 0mm 41% 0cm 7.8°C 0mm 0.62kPa 24135m 4.6m/s 2m/s
09:00
-4°C 0mm 42% 0cm 8°C 0mm 0.62kPa 24135m 4.5m/s 1.9m/s
10:00
-3.4°C 0mm 43% 0cm 8.3°C 0mm 0.62kPa 24135m 4.4m/s 1.9m/s
11:00
-2.8°C 0mm 51% 0cm 6.6°C 0mm 0.48kPa 24135m 3.3m/s 1.5m/s
12:00
-2.5°C 0mm 58% 0cm 5°C 0mm 0.36kPa 24135m 2.2m/s 1.2m/s
13:00
-2.4°C 0mm 66% 0cm 3.3°C 0mm 0.26kPa 24135m 1.1m/s 0.82m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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