What conditions does Fog Hunter look for?

Fog Probability: ≥ 85.0%. Dewpoint Spread: ≤ 2.0°C. Visibility: ≤ 3000.0m. Wind Speed: ≤ 2.0m/s

How often do conditions match?

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

More Fog Hunter in Finnish Lapland

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Rule Fog Hunter

Kilpisjärvi - Fog Hunter - Finnish Lapland

Kilpisjärvi, Lapland, Finland

Thick, moody fog for atmospheric forest and landscape shots

Currently

Real-time conditions

Fog Probability

58%

Dewpoint Spread0.3°C

Visibility175 (Dense fog)

Relative Humidity98%

Wind Speed1.9m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/Helsinki

Next opportunity

Dense Fog (lingering)

Kilpisjärvi

Today · 01:00–03:00 · 2h window

High confidence

85%

🌫️Fog Probability100%

Dewpoint Spread: 0.0°C

Visibility: 187 (Dense fog)

Relative Humidity: 100%

Wind Speed: 0.8m/s (calm conditions)

Dense Fog (lingering) at Sunrise

Kilpisjärvi

Today · 09:00–10:00

🌫️Fog Probability:100%

High

Dense Fog (lingering)

Kilpisjärvi

Tomorrow · 02:00–06:00

🌫️Fog Probability:100%

High

Dense Fog (lingering) at Dawn

Kilpisjärvi

Tomorrow · 06:00–07:00

🌫️Fog Probability:100%

High

Dense Fog (lingering)

Kilpisjärvi

Tomorrow · 23:00–24:00

🌫️Fog Probability:97.2%

Medium

Dense Fog (lingering)

Kilpisjärvi

Sat, Mar 7 · 03:00–04:00

🌫️Fog Probability:97.2%

Medium

Dense Fog (lingering)

Kilpisjärvi

Sat, Mar 7 · 05:00–06:00

🌫️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

17matching hours in the next 92 hoursJump to next match

AND logic: all conditions required

Meets requirement

Misses requirement

Time Europe/Helsinki	Fog Probability ≥ 85.0%	Dewpoint Spread ≤ 2.0°C	Visibility ≤ 3000.0m	Wind Speed ≤ 2.0m/s
Wed, Mar 4
06:00	58%	0.5°C	370m	0.62m/s
07:00	58%	0.5°C	671m	0.83m/s
08:00	46%	0.5°C	2092m	1.1m/s
09:00	100%	0.1°C	874m	1.7m/s
10:00	72%	0.7°C	10591m	1.8m/s
11:00	0%	1.1°C	24134m	2.4m/s
12:00	0%	1.2°C	24135m	2.7m/s
13:00	0%	1.4°C	24134m	2.7m/s
14:00	0%	1.2°C	24134m	2.7m/s
15:00	0%	1.2°C	24134m	2.1m/s
16:00	60%	0.9°C	24134m	2m/s
17:00	75%	0.5°C	14108m	1.3m/s
18:00	100%	0.2°C	587m	1.5m/s
19:00	86%	0.3°C	8004m	1.5m/s
20:00	69%	0.2°C	15683m	1.5m/s
21:00	97%	0.1°C	2641m	0.9m/s
22:00	100%	0.1°C	737m	0.74m/s
23:00	100%	0°C	1876m	1.2m/s
Thu, Mar 5
24:00	97%	0°C	3066m	1.2m/s
01:00	100%	0°C	464m	1m/s
02:00	100%	0°C	187m	0.79m/s
03:00	58%	0.3°C	175m	1.9m/s
04:00	58%	0.5°C	796m	2.5m/s
05:00	60%	0.3°C	523m	2.1m/s
06:00	49%	0.3°C	2399m	1.8m/s
07:00	43%	0.2°C	7675m	0.8m/s
08:00	60%	0.2°C	738m	0.66m/s
09:00	100%	0.5°C	234m	1m/s
10:00	46%	0.6°C	2388m	1.1m/s
11:00	47%	0.5°C	3306m	0.79m/s
12:00	46%	0.7°C	2240m	1.4m/s
13:00	39%	0.8°C	3473m	1.6m/s
14:00	55%	0.7°C	508m	2.2m/s
15:00	100%	0.8°C	910m	2.3m/s
16:00	46%	0.6°C	2133m	1.9m/s
17:00	40%	0.5°C	5122m	1.4m/s
18:00	38%	0.5°C	14320m	1.4m/s
19:00	38%	0.4°C	14336m	1.2m/s
20:00	42%	0.4°C	6955m	1.4m/s
21:00	67%	0.3°C	15174m	1.6m/s
22:00	67%	0.3°C	20324m	1.6m/s
23:00	78%	0.3°C	10946m	1.1m/s
Fri, Mar 6
24:00	97%	0.3°C	4447m	1.5m/s
01:00	97%	0.2°C	3149m	1.6m/s
02:00	100%	0°C	1526m	1.2m/s
03:00	100%	0°C	607m	1.6m/s
04:00	100%	0°C	395m	1.2m/s
05:00	100%	0.1°C	395m	1.1m/s
06:00	100%	0.1°C	343m	1.2m/s
07:00	60%	0.2°C	270m	1.4m/s
08:00	60%	0.2°C	500m	1.5m/s
09:00	100%	0.2°C	1048m	2.2m/s
10:00	0%	1.9°C	15304m	7.4m/s
11:00	0%	3.3°C	24134m	8.7m/s
12:00	0%	3.4°C	24134m	5.6m/s
13:00	0%	2.3°C	19938m	2.4m/s
14:00	0%	1.5°C	4134m	1.8m/s
15:00	0%	1.7°C	7405m	5.1m/s
16:00	0%	2.2°C	9917m	11m/s
17:00	0%	1.9°C	18903m	8.9m/s
18:00	0%	3°C	24134m	5.9m/s
19:00	0%	2.6°C	24134m	3.2m/s
20:00	0%	2.1°C	24135m	2.5m/s
21:00	0%	1.1°C	24135m	2.6m/s
22:00	67%	0.5°C	19239m	2.4m/s
23:00	97%	0.1°C	2367m	1.9m/s
Sat, Mar 7
24:00	60%	0°C	346m	1.7m/s
01:00	54%	0°C	1675m	1.4m/s
02:00	49%	0.1°C	3349m	1.6m/s
03:00	97%	0°C	2417m	1.7m/s
04:00	97%	0.1°C	3412m	1.8m/s
05:00	100%	0°C	1111m	1.7m/s
06:00	100%	0°C	1097m	2m/s
07:00	54%	0°C	1437m	2.1m/s
08:00	54%	0.1°C	1215m	1.7m/s
09:00	43%	0.2°C	7261m	1.5m/s
10:00	75%	0.4°C	13307m	1.4m/s
11:00	64%	0.6°C	19353m	1.3m/s
12:00	56%	0.5°C	20700m	1.2m/s
13:00	56%	0.5°C	22046m	1.1m/s
14:00	64%	0.6°C	23392m	0.96m/s
15:00	60%	0.8°C	23640m	0.98m/s
16:00	60%	0.9°C	23887m	1m/s
17:00	0%	1.1°C	24135m	1m/s
18:00	0%	1.4°C	24135m	1.5m/s
19:00	0%	1.9°C	24135m	1.9m/s
20:00	0%	2.3°C	24135m	2.4m/s
21:00	0%	2.1°C	21668m	2.3m/s
22:00	0%	1.8°C	19201m	2.2m/s
23:00	0%	1.5°C	16735m	2.1m/s
Sun, Mar 8
24:00	0%	1.1°C	12966m	1.8m/s
01:00	76%	0.8°C	9198m	1.5m/s

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/Helsinki	Dew Point °C	Rainfall mm	Relative Humidity %	Snowfall cm	Temperature °C	Total Precipitation mm	Vapor Pressure Deficit kPa	Wind Gusts m/s
Thu, Mar 5 Sunrise 07:43 Sunset 17:55
03:00 ☾	-5.3°C	0.23mm	98%	0.24cm	-5°C	0.25mm	0.01kPa	2.7m/s
04:00 ☾	-4.9°C	0.08mm	97%	0.08cm	-4.4°C	0.38mm	0.01kPa	2.3m/s
05:00 ☾	-6.4°C	0.1mm	98%	0.1cm	-6.1°C	0.44mm	0.01kPa	1.9m/s
06:00 ☾	-7.1°C	0.06mm	98%	0cm	-6.8°C	0.5mm	0.01kPa	1.7m/s
07:00 ☾	-9.1°C	0.02mm	98%	0cm	-8.9°C	0.56mm	0.01kPa	1.2m/s
08:00	-9.3°C	0.05mm	99%	0cm	-9.1°C	0.56mm	0kPa	1m/s
09:00	-6.5°C	0.15mm	96%	0.15cm	-6°C	0.13mm	0.01kPa	1m/s
10:00	-5.4°C	0.05mm	96%	0cm	-4.8°C	0.25mm	0.02kPa	1.1m/s
11:00	-6.1°C	0.02mm	96%	0cm	-5.6°C	0.25mm	0.01kPa	0.91m/s
12:00	-4.5°C	0.04mm	95%	0cm	-3.8°C	0.31mm	0.02kPa	1.4m/s
13:00	-3.8°C	0.03mm	94%	0cm	-3°C	0.31mm	0.03kPa	1.5m/s
14:00	-3.2°C	0.13mm	95%	0cm	-2.5°C	0.38mm	0.03kPa	2.3m/s
15:00	-2.8°C	0.12mm	95%	0cm	-2°C	0.13mm	0.03kPa	2.7m/s
16:00	-3.4°C	0.06mm	95%	0cm	-2.8°C	0.25mm	0.02kPa	2m/s
17:00	-4.4°C	0.02mm	96%	0cm	-3.9°C	0.31mm	0.02kPa	1.4m/s
18:00 ☾	-4.6°C	0.01mm	96%	0cm	-4.1°C	0.31mm	0.02kPa	1.3m/s
19:00 ☾	-4.5°C	0.02mm	97%	0cm	-4.1°C	0.31mm	0.01kPa	1.1m/s
20:00 ☾	-4.3°C	0.05mm	97%	0.05cm	-3.9°C	0.38mm	0.01kPa	1.3m/s
21:00 ☾	-4.1°C	0.01mm	98%	0cm	-3.8°C	0mm	0.01kPa	1.5m/s
22:00 ☾	-4.1°C	0mm	98%	0cm	-3.8°C	0mm	0.01kPa	1.5m/s
23:00 ☾	-4.7°C	0mm	98%	0cm	-4.4°C	0.06mm	0.01kPa	1.2m/s
Fri, Mar 6 Sunrise 07:43 Sunset 17:55
24:00 ☾	-4.7°C	0mm	98%	0cm	-4.4°C	0.06mm	0.01kPa	1.5m/s
01:00 ☾	-4.6°C	0mm	99%	0cm	-4.4°C	0.06mm	0.01kPa	1.5m/s
02:00 ☾	-3.8°C	0mm	100%	0cm	-3.8°C	0.06mm	0kPa	1.1m/s
03:00 ☾	-3.4°C	0mm	100%	0cm	-3.4°C	0mm	0kPa	1.7m/s
04:00 ☾	-3.1°C	0.01mm	100%	0cm	-3.1°C	0mm	0kPa	1.2m/s
05:00 ☾	-3.4°C	0.01mm	100%	0cm	-3.3°C	0mm	0kPa	1.1m/s
06:00 ☾	-3.7°C	0.16mm	100%	0cm	-3.6°C	0.06mm	0kPa	1.2m/s
07:00 ☾	-3.6°C	0.32mm	99%	0cm	-3.4°C	0.31mm	0.01kPa	1.4m/s
08:00	-3.5°C	0.22mm	99%	0cm	-3.3°C	0.69mm	0.01kPa	1.5m/s
09:00	-2.9°C	0.1mm	99%	0cm	-2.7°C	0.13mm	0.01kPa	6.3m/s
10:00	-1.1°C	0.02mm	87%	0cm	0.78°C	0.25mm	0.08kPa	14m/s
11:00	-3.8°C	0mm	78%	0cm	-0.48°C	0.25mm	0.13kPa	15m/s
12:00	-4.7°C	0mm	77%	0cm	-1.3°C	0.25mm	0.13kPa	11m/s
13:00	-4.5°C	0.01mm	84%	0cm	-2.2°C	0.25mm	0.08kPa	3.5m/s
14:00	-4.6°C	0.03mm	89%	0cm	-3.1°C	0.31mm	0.05kPa	1.8m/s
15:00	-4°C	0.03mm	88%	0.09cm	-2.3°C	0.06mm	0.06kPa	13m/s
16:00	-4.7°C	0.02mm	85%	0cm	-2.5°C	0.25mm	0.08kPa	18m/s
17:00	-5.8°C	0.02mm	87%	0cm	-3.9°C	0.25mm	0.06kPa	15m/s
18:00 ☾	-8.4°C	0mm	80%	0cm	-5.4°C	0.25mm	0.08kPa	9.6m/s
19:00 ☾	-11°C	0mm	81%	0cm	-8.4°C	0.25mm	0.06kPa	3.8m/s
20:00 ☾	-13°C	0mm	85%	0cm	-11°C	0.25mm	0.04kPa	2.4m/s
21:00 ☾	-14°C	0mm	91%	0cm	-13°C	0mm	0.02kPa	2.4m/s
22:00 ☾	-14°C	0mm	96%	0cm	-14°C	0mm	0.01kPa	2.2m/s
23:00 ☾	-15°C	0.03mm	99%	0cm	-15°C	0mm	0kPa	1.9m/s
Sat, Mar 7 Sunrise 07:38 Sunset 17:58
24:00 ☾	-14°C	0.25mm	100%	0.25cm	-14°C	0.13mm	0kPa	1.6m/s
01:00 ☾	-10°C	0.11mm	99%	0cm	-10°C	0.31mm	0kPa	1.6m/s
02:00 ☾	-12°C	0.02mm	100%	0cm	-12°C	0.38mm	0kPa	1.5m/s
03:00 ☾	-13°C	0.03mm	100%	0cm	-13°C	0mm	0kPa	1.6m/s
04:00 ☾	-14°C	0.02mm	100%	0cm	-14°C	0.06mm	0kPa	1.6m/s
05:00 ☾	-14°C	0.05mm	100%	0cm	-14°C	0.06mm	0kPa	1.5m/s
06:00 ☾	-13°C	0.15mm	100%	0.15cm	-13°C	0.19mm	0kPa	1.8m/s
07:00 ☾	-14°C	0.15mm	100%	0cm	-14°C	0.31mm	0kPa	2m/s
08:00	-13°C	0.17mm	100%	0.17cm	-13°C	0.5mm	0kPa	1.5m/s
09:00	-11°C	0.11mm	98%	0.11cm	-11°C	0.33mm	0kPa	1.4m/s
10:00	-8.9°C	0.06mm	97%	0.06cm	-8.5°C	0.17mm	0.01kPa	1.3m/s
11:00	-7°C	0mm	96%	0cm	-6.4°C	0mm	0.02kPa	1.1m/s
12:00	-8.1°C	0mm	96%	0cm	-7.6°C	0mm	0.01kPa	1.1m/s
13:00	-9.2°C	0mm	96%	0cm	-8.7°C	0mm	0.01kPa	0.98m/s
14:00	-10°C	0mm	96%	0cm	-9.8°C	0mm	0.01kPa	0.9m/s
15:00	-12°C	0mm	94%	0cm	-11°C	0mm	0.02kPa	0.94m/s
16:00	-13°C	0mm	93%	0cm	-12°C	0mm	0.02kPa	0.97m/s
17:00	-14°C	0mm	92%	0cm	-13°C	0mm	0.02kPa	1m/s
18:00	-14°C	0mm	89%	0cm	-13°C	0mm	0.03kPa	1.4m/s
19:00 ☾	-14°C	0mm	86%	0cm	-13°C	0mm	0.03kPa	1.7m/s
20:00 ☾	-15°C	0mm	82%	0cm	-12°C	0mm	0.04kPa	2.1m/s
21:00 ☾	-15°C	0.003mm	84%	0cm	-13°C	0mm	0.04kPa	2m/s
22:00 ☾	-15°C	0.007mm	86%	0cm	-13°C	0mm	0.03kPa	2m/s
23:00 ☾	-15°C	0.01mm	88%	0cm	-14°C	0mm	0.03kPa	1.9m/s
Sun, Mar 8 Sunrise 07:34 Sunset 18:02
24:00 ☾	-14°C	0.01mm	91%	0cm	-13°C	0.02mm	0.02kPa	1.7m/s
01:00 ☾	-13°C	0.02mm	94%	0cm	-12°C	0.04mm	0.01kPa	1.5m/s
02:00 ☾	-12°C	0.02mm	97%	0cm	-11°C	0.06mm	0.01kPa	1.3m/s

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

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