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Rule Fog Hunter

Jasna Lake - Fog Hunter - Slovenian Alps

Kranjska Gora, Kranjska Gora, Slovenia

Thick, moody fog for atmospheric forest and landscape shots

Currently

Real-time conditions
Fog Probability
0%
Dewpoint Spread0.1°C
Visibility202 (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 Sunrise
Jasna Lake
Tomorrow · 05:00–06:00 · 1h window
Medium confidence
61%
🌫️Fog Probability88.6%
Dewpoint Spread: 0.2°C
Visibility: 5533 (Moderate)
Relative Humidity: 98%
Wind Speed: 1.2m/s (calm conditions)
fog weather icon
Dense Fog
Jasna Lake
Tomorrow · 06:00–07:00
🌫️Fog Probability: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
2matching hours in the next 95 hoursJump to next match
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Europe/Ljubljana
Fog Probability
≥ 75.0%
Tue, Jun 9
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%
Wed, Jun 10
24:0043%
01:0065%
02:0068%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:0071%
10:0045%
11:0039%
12:000%
13:000%
14:000%
15:0054%
16:0053%
17:0053%
18:000%
19:000%
20:000%
21:000%
22:000%
23:000%
Thu, Jun 11
24:000%
01:000%
02:000%
03:0069%
04:0073%
05:0089%
06:00100%
07:0048%
08:0044%
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, Jun 12
24:000%
01:000%
02:0055%
03:0055%
04:0055%
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%
Sat, Jun 13
24:000%
01:000%
02:000%
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
Wed, Jun 10 Sunrise 05:12 Sunset 20:56
04:00 ☾
0% 11°C 0.96mm 100% 0cm -10° 11°C 2.3mm 0.01kPa 202m 1.2m/s 0.81m/s
05:00 ☾
0% 11°C 1.2mm 99% 0cm -2.4° 11°C 3.3mm 0.01kPa 177m 1.5m/s 0.7m/s
06:00
0% 11°C 0.21mm 100% 0cm 6.3° 11°C 4.1mm 0.01kPa 173m 2.3m/s 1.3m/s
07:00
0% 11°C 0.21mm 100% 0cm 16° 11°C 4.3mm 0.01kPa 164m 2.6m/s 1.3m/s
08:00
0% 11°C 0.09mm 99% 0cm 26° 11°C 4.5mm 0.01kPa 290m 2.8m/s 1.4m/s
09:00
0% 10°C 0.07mm 99% 0cm 36° 11°C 0.13mm 0.02kPa 3866m 2.5m/s 1.5m/s
10:00
0% 10°C 0.25mm 98% 0cm 46° 10°C 0.38mm 0.02kPa 2991m 2.5m/s 1.4m/s
11:00
0% 10°C 0.39mm 98% 0cm 56° 10°C 0.94mm 0.02kPa 4565m 2.4m/s 1.3m/s
12:00
0% 10°C 0.59mm 99% 0cm 63° 10°C 1.6mm 0.02kPa 10669m 2.7m/s 1.4m/s
13:00
0% 10°C 1.1mm 99% 0cm 67° 10°C 2.9mm 0.02kPa 3197m 2.5m/s 0.98m/s
14:00
0% 10°C 0.14mm 99% 0cm 64° 10°C 4.1mm 0.01kPa 2387m 1.9m/s 0.54m/s
15:00
0% 10°C 0.09mm 99% 0cm 57° 11°C 0.38mm 0.01kPa 294m 2m/s 1m/s
16:00
0% 11°C 0.01mm 99% 0cm 48° 11°C 0.56mm 0.01kPa 263m 2.3m/s 1.2m/s
17:00
0% 11°C 0.01mm 98% 0cm 38° 11°C 0.94mm 0.02kPa 269m 2.3m/s 0.61m/s
18:00
0% 11°C 0.01mm 99% 0cm 27° 11°C 1.4mm 0.02kPa 176m 2.3m/s 0.89m/s
19:00
0% 10°C 0.7mm 100% 0cm 17° 10°C 2.3mm 0.01kPa 164m 2.7m/s 1m/s
20:00
0% 10°C 2.4mm 100% 0cm 7.7° 10°C 5.6mm 0kPa 164m 1.9m/s 1.4m/s
21:00 ☾
0% 8.7°C 7.8mm 99% 0cm -1° 8.9°C 7.3mm 0.01kPa 219m 4m/s 3.4m/s
22:00 ☾
0% 5.8°C 2.5mm 99% 0cm -8.9° 5.9°C 11mm 0.01kPa 431m 4m/s 3.2m/s
23:00 ☾
0% 4.9°C 2.4mm 99% 0cm -15° 5°C 14mm 0.01kPa 283m 3.8m/s 2.7m/s
Thu, Jun 11 Sunrise 05:12 Sunset 20:56
24:00 ☾
0% 4.2°C 1.1mm 99% 0cm -19° 4.3°C 20mm 0.01kPa 5782m 3.1m/s 1.9m/s
01:00 ☾
0% 4.3°C 0mm 99% 0cm -20° 4.5°C 20mm 0.01kPa 326m 2.1m/s 1.4m/s
02:00 ☾
0% 4.4°C 0mm 99% 0cm -19° 4.6°C 20mm 0.01kPa 359m 2.1m/s 1.5m/s
03:00 ☾
0% 3.9°C 0mm 99% 0cm -16° 4.1°C 0mm 0.01kPa 7235m 1.8m/s 1.3m/s
04:00 ☾
0% 3.9°C 0mm 98% 0cm -9.9° 4.2°C 0mm 0.01kPa 24134m 1.8m/s 1.3m/s
05:00 ☾
0% 3.5°C 0mm 98% 0cm -2.4° 3.7°C 0mm 0.01kPa 5533m 2m/s 1.2m/s
06:00
0% 3.6°C 0mm 98% 0cm 6.3° 3.8°C 0mm 0.02kPa 1670m 1.7m/s 0.96m/s
07:00
0% 4.1°C 0.01mm 97% 0cm 16° 4.5°C 0mm 0.03kPa 12220m 2.1m/s 1.3m/s
08:00
0% 4.2°C 0mm 95% 0cm 26° 5°C 0mm 0.04kPa 24134m 2m/s 1.1m/s
09:00
0% 4.4°C 0mm 94% 0cm 36° 5.4°C 0mm 0.06kPa 24134m 2.2m/s 1.4m/s
10:00
0% 4.8°C 0mm 86% 0cm 46° 6.9°C 0mm 0.14kPa 24134m 2.6m/s 1.7m/s
11:00
0% 4.7°C 0mm 84% 0cm 56° 7.2°C 0mm 0.16kPa 24134m 2.7m/s 1.7m/s
12:00
0% 4.4°C 0.01mm 79% 0cm 63° 7.8°C 0mm 0.22kPa 24134m 3m/s 2.1m/s
13:00
0% 3.1°C 0mm 59% 0cm 67° 11°C 0mm 0.53kPa 24134m 3.3m/s 2.6m/s
14:00
0% 2.7°C 0mm 54% 0cm 64° 12°C 0mm 0.63kPa 24134m 3.3m/s 2.5m/s
15:00
4% 2.9°C 0mm 51% 0cm 57° 13°C 0mm 0.74kPa 24134m 3.1m/s 2.5m/s
16:00
7% 3.5°C 0mm 50% 0cm 48° 14°C 0mm 0.79kPa 24135m 3m/s 2.7m/s
17:00
11% 4.3°C 0mm 53% 0cm 38° 14°C 0mm 0.74kPa 24134m 2.6m/s 2.5m/s
18:00
12% 4.8°C 0mm 57% 0cm 27° 13°C 0mm 0.66kPa 24134m 2.3m/s 2.1m/s
19:00
14% 5.9°C 0mm 65% 0cm 17° 12°C 0mm 0.5kPa 24135m 2.6m/s 1.9m/s
20:00
15% 6.5°C 0mm 78% 0cm 7.8° 10°C 0mm 0.27kPa 24135m 2.4m/s 1.6m/s
21:00 ☾
19% 5.5°C 0mm 86% 0cm -0.93° 7.8°C 0mm 0.15kPa 24134m 1.3m/s 1.2m/s
22:00 ☾
22% 5.1°C 0mm 88% 0cm -8.8° 7°C 0mm 0.12kPa 24134m 0.9m/s 0.91m/s
23:00 ☾
26% 4.8°C 0mm 88% 0cm -15° 6.6°C 0mm 0.11kPa 24134m 0.52m/s 0.44m/s
Fri, Jun 12 Sunrise 05:12 Sunset 20:57
24:00 ☾
27% 4.8°C 0mm 91% 0cm -19° 6.1°C 0mm 0.08kPa 24135m 0.62m/s 0.31m/s
01:00 ☾
27% 4.7°C 0mm 91% 0cm -20° 6°C 0mm 0.08kPa 24134m 0.7m/s 0.47m/s
02:00 ☾
28% 4.7°C 0mm 95% 0cm -19° 5.5°C 0mm 0.05kPa 24134m 0.71m/s 0.23m/s
03:00 ☾
34% 4.2°C 0mm 95% 0cm -16° 4.9°C 0mm 0.04kPa 24134m 0.63m/s 0.21m/s
04:00 ☾
40% 4.2°C 0mm 94% 0cm -9.9° 5°C 0mm 0.05kPa 24134m 0.7m/s 0.41m/s
05:00 ☾
46% 3.9°C 0mm 94% 0cm -2.3° 4.8°C 0mm 0.05kPa 24134m 0.82m/s 0.74m/s
06:00
44% 3.9°C 0mm 90% 0cm 6.4° 5.4°C 0mm 0.09kPa 24135m 0.92m/s 0.73m/s
07:00
43% 4.7°C 0mm 80% 0cm 16° 8°C 0mm 0.22kPa 24135m 1m/s 0.77m/s
08:00
41% 5°C 0mm 68% 0cm 26° 11°C 0mm 0.42kPa 24134m 0.91m/s 0.6m/s
09:00
41% 5.2°C 0mm 59% 0cm 36° 13°C 0mm 0.62kPa 24135m 1.2m/s 0.32m/s
10:00
40% 5.1°C 0mm 51% 0cm 46° 15°C 0mm 0.83kPa 24135m 1.8m/s 0.7m/s
11:00
40% 5°C 0mm 46% 0cm 56° 16°C 0mm 1kPa 24134m 2.1m/s 0.55m/s
12:00
38% 5°C 0mm 45% 0cm 63° 17°C 0mm 1.1kPa 24135m 1.8m/s 0.38m/s
13:00
35% 5.3°C 0mm 49% 0cm 67° 16°C 0mm 0.91kPa 24135m 1.3m/s 0.22m/s
14:00
33% 7.1°C 0mm 60% 0cm 64° 15°C 0.06mm 0.68kPa 24134m 1.3m/s 1.3m/s
15:00
25% 7.6°C 0mm 69% 0cm 57° 13°C 0.04mm 0.48kPa 24134m 1.3m/s 1.3m/s
16:00
18% 7.9°C 0mm 77% 0cm 48° 12°C 0.02mm 0.31kPa 24135m 1.4m/s 1.3m/s
17:00
10% 7.9°C 0mm 86% 0cm 38° 10°C 0mm 0.17kPa 24135m 1.4m/s 1.3m/s
18:00
10% 7.7°C 0.01mm 86% 0cm 28° 10°C 0.02mm 0.18kPa 24135m 1.7m/s 1.4m/s
19:00
11% 7.4°C 0.03mm 85% 0cm 17° 9.8°C 0.04mm 0.18kPa 24135m 2m/s 1.5m/s
20:00
11% 7.2°C 0.04mm 84% 0cm 7.8° 9.7°C 0.06mm 0.19kPa 24135m 2.3m/s 1.6m/s
21:00 ☾
13% 7.2°C 0.03mm 85% 0cm -0.83° 9.6°C 0.06mm 0.17kPa 24135m 1.9m/s 1.4m/s
22:00 ☾
15% 7.3°C 0.01mm 86% 0cm -8.8° 9.5°C 0.06mm 0.16kPa 24135m 1.5m/s 1.1m/s
23:00 ☾
17% 7.3°C 0mm 87% 0cm -15° 9.4°C 0.06mm 0.15kPa 24135m 1.1m/s 0.8m/s
Sat, Jun 13 Sunrise 05:12 Sunset 20:57
24:00 ☾
16% 7.6°C 0mm 83% 0cm -19° 10°C 0.08mm 0.21kPa 24135m 1.4m/s 0.95m/s
01:00 ☾
14% 7.9°C 0mm 80% 0cm -20° 11°C 0.1mm 0.27kPa 24135m 1.6m/s 1.1m/s
02:00 ☾
13% 8.1°C 0mm 76% 0cm -19° 12°C 0.13mm 0.34kPa 24135m 1.8m/s 1.3m/s
03:00 ☾
13% 8.2°C 0mm 76% 0cm -16° 12°C 0.08mm 0.35kPa 24135m 1.8m/s 1.2m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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