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Rule Fog Hunter

Kranjska Gora - Fog Hunter - Slovenian Alps

Kranjska Gora, Kranjska Gora, Slovenia

Thick, moody fog for atmospheric forest and landscape shots

Currently

Real-time conditions
Dewpoint Spread0.1°C
Visibility81 (Dense fog)
Relative Humidity100%
Wind Speed0.8m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/Ljubljana
fog weather icon
Next opportunity
Dense Fog at Dusk
Kranjska Gora
Today · 21:00–22:00 · 1h window
High confidence
85%
🌫️Fog Probability100%
Dewpoint Spread: 0.1°C
Visibility: 96 (Dense fog)
Relative Humidity: 100%
Wind Speed: 0.6m/s (calm conditions)
fog weather icon
Dense Fog
Kranjska Gora
Today · 22:00–04:00
🌫️Fog Probability:100%
High
fog weather icon
Dense Fog at Dawn
Kranjska Gora
Tomorrow · 04:00–05:00
🌫️Fog Probability:100%
High
fog weather icon
Dense Fog at Sunrise
Kranjska Gora
Tomorrow · 05:00–07:00
🌫️Fog Probability:100%
High
fog weather icon
Dense Fog
Kranjska Gora
Tomorrow · 07:00–11:00
🌫️Fog Probability:98.1-100%
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
15matching hours in the next 87 hoursJump to next match
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Europe/Ljubljana
Fog Probability
≥ 75.0%
Fri, May 15
06:000%
07:000%
08:000%
09:00100%
10:0069%
11:000%
12:000%
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:00100%
22:00100%
23:00100%
Sat, May 16
24:00100%
01:00100%
02:00100%
03:00100%
04:00100%
05:00100%
06:00100%
07:00100%
08:00100%
09:0098%
10:0098%
11:0054%
12:0038%
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:0030%
20:0030%
21:0055%
22:0055%
23:0055%
Sun, May 17
24:0071%
01:0071%
02:0058%
03:0055%
04:0055%
05:0055%
06:0055%
07:0055%
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, May 18
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%
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
Fri, May 15 Sunrise 05:31 Sunset 20:31
22:00
0% 1.4°C 0mm 100% 0cm -13° 1.5°C 0.06mm 0kPa 81m 1.2m/s 0.77m/s
23:00
0% 1.5°C 0.01mm 100% 0cm -19° 1.6°C 0.06mm 0kPa 73m 1.8m/s 0.96m/s
Sat, May 16 Sunrise 05:31 Sunset 20:31
24:00
0% 1.6°C 0.01mm 100% 0cm -23° 1.6°C 0.06mm 0kPa 69m 1.9m/s 1.1m/s
01:00
0% 1.5°C 0mm 100% 0cm -24° 1.6°C 0.06mm 0kPa 64m 1.8m/s 1m/s
02:00
0% 1.7°C 0.02mm 100% 0cm -23° 1.7°C 0.06mm 0kPa 65m 1.8m/s 0.99m/s
03:00
0% 1.6°C 0mm 100% 0cm -19° 1.6°C 0mm 0kPa 60m 1.8m/s 1.1m/s
04:00
0% 1.6°C 0mm 100% 0cm -13° 1.6°C 0mm 0kPa 55m 2m/s 1.1m/s
05:00
0% 1.5°C 0mm 100% 0cm -5.2° 1.6°C 0mm 0kPa 52m 1.2m/s 0.35m/s
06:00
0% 1.6°C 0mm 100% 0cm 3.9° 1.6°C 0mm 0kPa 53m 1.6m/s 0.59m/s
07:00
0% 1.9°C 0mm 100% 0cm 14° 2°C 0mm 0kPa 51m 2.7m/s 1.6m/s
08:00
0% 2.3°C 0.01mm 99% 0cm 24° 2.4°C 0.06mm 0.01kPa 45m 2.9m/s 2m/s
09:00
0% 2.9°C 0.01mm 99% 0cm 34° 3°C 0mm 0.01kPa 42m 2.3m/s 1.5m/s
10:00
0% 3.2°C 0.12mm 98% 0.16cm 44° 3.5°C 0.13mm 0.02kPa 49m 1.5m/s 0.95m/s
11:00
0% 3.2°C 0.19mm 98% 0.22cm 53° 3.5°C 0.38mm 0.02kPa 93m 2m/s 1.1m/s
12:00
0% 4.1°C 0.02mm 97% 0cm 60° 4.6°C 0.5mm 0.02kPa 3662m 2.3m/s 1.6m/s
13:00
0% 4.8°C 0.04mm 94% 0cm 63° 5.7°C 0.75mm 0.05kPa 7395m 2.7m/s 1.5m/s
14:00
0% 4.6°C 0.01mm 93% 0cm 60° 5.7°C 1.1mm 0.07kPa 7520m 3.4m/s 1.9m/s
15:00
0% 4.5°C 0.01mm 88% 0cm 53° 6.4°C 0.38mm 0.11kPa 17823m 2.9m/s 1.6m/s
16:00
0% 4.4°C 0.02mm 88% 0cm 45° 6.2°C 0.69mm 0.12kPa 18555m 2.6m/s 1.4m/s
17:00
0% 5°C 0mm 91% 0cm 35° 6.4°C 0.75mm 0.09kPa 24135m 1.9m/s 1m/s
18:00
0% 5.5°C 0.01mm 92% 0cm 24° 6.7°C 0.75mm 0.08kPa 24135m 2.6m/s 1.6m/s
19:00
0% 5.5°C 0mm 95% 0cm 14° 6.2°C 0.81mm 0.04kPa 12513m 2.8m/s 1.6m/s
20:00
0% 3.4°C 0mm 96% 0cm 4.4° 3.9°C 0.81mm 0.03kPa 24135m 1.5m/s 1.5m/s
21:00
14% 1.2°C 0mm 96% 0cm -4.7° 1.7°C 0mm 0.03kPa 24134m 1.1m/s 1.3m/s
22:00
29% 0°C 0mm 96% 0cm -13° 0.55°C 0mm 0.02kPa 24134m 1.1m/s 1.2m/s
23:00
43% -0.4°C 0mm 97% 0cm -19° 0.07°C 0mm 0.02kPa 24134m 1.4m/s 1.4m/s
Sun, May 17 Sunrise 05:30 Sunset 20:32
24:00
48% -1.1°C 0mm 97% 0cm -23° -0.74°C 0mm 0.02kPa 24134m 1.7m/s 1.5m/s
01:00
54% -1.6°C 0mm 97% 0cm -24° -1.2°C 0mm 0.02kPa 24135m 1.7m/s 1.4m/s
02:00
59% -2.3°C 0mm 97% 0cm -23° -1.8°C 0mm 0.02kPa 24135m 1.1m/s 1.1m/s
03:00
71% -2.6°C 0mm 96% 0cm -19° -2.1°C 0mm 0.02kPa 24135m 1.1m/s 1.1m/s
04:00
84% -3.1°C 0mm 96% 0cm -13° -2.6°C 0mm 0.02kPa 24135m 0.9m/s 0.84m/s
05:00
96% -3.3°C 0mm 97% 0cm -5° -2.8°C 0mm 0.02kPa 24134m 1m/s 0.95m/s
06:00
97% -3°C 0mm 96% 0cm 4.1° -2.5°C 0mm 0.02kPa 24134m 1m/s 0.94m/s
07:00
98% 0°C 0mm 94% 0cm 14° 0.78°C 0mm 0.04kPa 24135m 2m/s 1.1m/s
08:00
99% 1.7°C 0mm 91% 0cm 24° 3.1°C 0mm 0.07kPa 24135m 1.7m/s 1.2m/s
09:00
99% 2.9°C 0mm 86% 0cm 34° 5.1°C 0mm 0.13kPa 24134m 1.1m/s 0.89m/s
10:00
100% 4.1°C 0mm 81% 0cm 44° 7.2°C 0mm 0.2kPa 24135m 0.52m/s 0.54m/s
11:00
100% 5°C 0mm 76% 0cm 53° 9°C 0mm 0.27kPa 24135m 0.72m/s 0.38m/s
12:00
100% 5.3°C 0mm 71% 0cm 60° 10°C 0mm 0.37kPa 24134m 1.2m/s 0.4m/s
13:00
99% 5.3°C 0mm 67% 0cm 63° 11°C 0.06mm 0.44kPa 21660m 1.4m/s 0.55m/s
14:00
99% 5.4°C 0mm 66% 0cm 60° 11°C 0.19mm 0.46kPa 11403m 1.3m/s 0.43m/s
15:00
68% 5.5°C 0mm 66% 0cm 54° 12°C 0.25mm 0.48kPa 8939m 1.1m/s 0.39m/s
16:00
38% 5.7°C 0mm 67% 0cm 45° 12°C 0.5mm 0.46kPa 12673m 1.2m/s 0.83m/s
17:00
7% 6.1°C 0mm 72% 0cm 35° 11°C 0.81mm 0.37kPa 15567m 1m/s 0.87m/s
18:00
5% 6.6°C 0mm 77% 0cm 24° 11°C 1.2mm 0.3kPa 16272m 1.1m/s 1m/s
19:00
3% 7.4°C 0mm 85% 0cm 14° 9.8°C 1.4mm 0.18kPa 19868m 1m/s 1.1m/s
20:00
1% 5.3°C 0mm 87% 0cm 4.6° 7.2°C 1.6mm 0.13kPa 24135m 1.2m/s 1.4m/s
21:00
4% 4°C 0mm 91% 0cm -4.5° 5.4°C 0.06mm 0.08kPa 22941m 1.4m/s 1.7m/s
22:00
6% 3.7°C 0mm 92% 0cm -12° 4.9°C 0.13mm 0.07kPa 24134m 1.4m/s 1.6m/s
23:00
9% 3.3°C 0mm 93% 0cm -19° 4.4°C 0.13mm 0.06kPa 24135m 1.4m/s 1.5m/s
Mon, May 18 Sunrise 05:29 Sunset 20:33
24:00
10% 3.5°C 0.01mm 93% 0cm -23° 4.6°C 0.19mm 0.06kPa 24135m 1.4m/s 1.3m/s
01:00
10% 3.1°C 0mm 93% 0cm -24° 4°C 0.19mm 0.05kPa 24134m 1.1m/s 1m/s
02:00
11% 2.8°C 0mm 93% 0cm -23° 3.8°C 0.19mm 0.06kPa 24135m 0.82m/s 0.54m/s
03:00
26% 4.4°C 0mm 82% 0cm -19° 7.3°C 0.17mm 0.19kPa 24135m 1m/s 0.59m/s
04:00
42% 5.6°C 0mm 70% 0cm -13° 11°C 0.15mm 0.39kPa 24135m 1.2m/s 0.64m/s
05:00
57% 6.4°C 0mm 58% 0cm -4.8° 14°C 0.13mm 0.68kPa 24135m 1.4m/s 0.69m/s
06:00
60% 6.5°C 0.007mm 60% 0cm 4.2° 14°C 0.19mm 0.64kPa 24135m 1.7m/s 1m/s
07:00
63% 6.5°C 0.01mm 62% 0cm 14° 14°C 0.25mm 0.61kPa 24135m 2m/s 1.4m/s
08:00
66% 6.6°C 0.02mm 63% 0cm 24° 14°C 0.31mm 0.57kPa 24135m 2.2m/s 1.7m/s
09:00
65% 6.2°C 0.01mm 60% 0cm 34° 14°C 0.29mm 0.64kPa 22739m 2.3m/s 1.8m/s
10:00
63% 5.8°C 0.007mm 57% 0cm 44° 14°C 0.27mm 0.7kPa 21343m 2.3m/s 1.8m/s
11:00
62% 5.3°C 0mm 54% 0cm 53° 15°C 0.25mm 0.77kPa 19946m 2.3m/s 1.9m/s
12:00
49% 6.4°C 0.003mm 64% 0cm 60° 13°C 0.4mm 0.54kPa 21342m 2.1m/s 1.9m/s
13:00
37% 7.1°C 0.007mm 75% 0cm 63° 11°C 0.54mm 0.34kPa 22739m 1.8m/s 1.9m/s
14:00
24% 7.4°C 0.01mm 86% 0cm 61° 9.7°C 0.69mm 0.17kPa 24135m 1.5m/s 1.9m/s
15:00
18% 6.9°C 0.007mm 87% 0cm 54° 8.9°C 0.46mm 0.15kPa 24135m 1.5m/s 1.8m/s
16:00
11% 6.3°C 0.003mm 89% 0cm 45° 8.1°C 0.23mm 0.12kPa 24135m 1.5m/s 1.8m/s
17:00
5% 5.7°C 0mm 90% 0cm 35° 7.3°C 0mm 0.1kPa 24135m 1.5m/s 1.8m/s
18:00
5% 5.4°C 0mm 90% 0cm 25° 6.9°C 0mm 0.1kPa 24135m 1.6m/s 1.7m/s
19:00
4% 5°C 0mm 90% 0cm 14° 6.6°C 0mm 0.1kPa 24135m 1.6m/s 1.6m/s
20:00
4% 4.7°C 0mm 89% 0cm 4.7° 6.3°C 0mm 0.1kPa 24135m 1.6m/s 1.5m/s
21:00
14% 4.5°C 0.003mm 91% 0cm -4.3° 5.9°C 0mm 0.09kPa 24135m 1.6m/s 1.5m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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