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Rule Fog Hunter

Fog Hunter Forecast for Ivalo, Finnish Lapland

Ivalo, Lapland, Finland

Ivalo combines the winding Ivalojoki River with low pine-covered hills, and serves as a practical base for Lake Inari’s wider ice landscapes.

Currently

Real-time conditions
Fog Probability
0%
Dewpoint Spread1.2°C
Visibility24135 (Clear)
Relative Humidity92%
Wind Speed2.5m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/Helsinki

No opportunities in the next 14 days

See which requirements block the most forecast hours below.

Most common blockers (92-hour forecast)

  • Fog Probability100% of hours

How this forecast is evaluated

See which weather signals PhotoWeather uses to identify Fog Hunter conditions across Finnish Lapland. The requirements and hourly values below show how those signals apply at Ivalo.

Explore Fog Hunter conditions across Finnish Lapland →

Recorded match history

Completed PhotoWeather forecast matches recorded for this exact rule at Ivalo during the last 365 days.

Last 30 days
0
recorded matching windows
Last 90 days
8
recorded matching windows · 69% average confidence
Last 365 days
8
recorded matching windows · 69% average confidence

Only 8 completed matches are recorded in the last 365 days—insufficient history to identify a reliable typical start time or month.

These figures use completed PhotoWeather MatchEvent records from the previous 365 days only. They describe recorded forecast matches, not observations, climatological probability, or a guarantee of future conditions.

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92-hour requirements breakdown

When available, the detailed table below covers only the stated 92-hour horizon (typically 72–168 hours, depending on available hourly data). Opportunity records above span the next 14 days, so this table does not explain that entire 14-day period.

What passed or failed, hour by hour
0matching hours in the next 92 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Europe/Helsinki
Fog Probability
≥ 75.0%
Sat, Jul 25
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%
Sun, Jul 26
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:0027%
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, Jul 27
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%
Tue, Jul 28
24:000%
01:000%
02:000%
03:000%
04:0051%
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, Jul 29
24:000%
01:000%
02:000%
03:000%
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/Helsinki
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
Sun, Jul 26 Sunrise 02:32 Sunset 23:53
05:00
0% 11°C 0.07mm 92% 0cm 6.9° 12°C 0mm 0.1kPa 24135m 5.6m/s 2.5m/s
06:00
0% 11°C 0.42mm 94% 0cm 11° 12°C 0.25mm 0.08kPa 17839m 5.5m/s 2.4m/s
07:00
0% 11°C 0.02mm 96% 0cm 17° 12°C 0.5mm 0.06kPa 24135m 6.9m/s 2.4m/s
08:00
0% 11°C 0mm 89% 0cm 22° 13°C 0.5mm 0.16kPa 24135m 6.7m/s 3.3m/s
09:00
0% 11°C 0.2mm 87% 0cm 27° 13°C 0.56mm 0.19kPa 24134m 7.2m/s 3.7m/s
10:00
0% 11°C 0.12mm 92% 0cm 32° 12°C 0.25mm 0.11kPa 24134m 8.9m/s 3.3m/s
11:00
0% 11°C 0.03mm 89% 0cm 36° 13°C 0.31mm 0.17kPa 24135m 9.6m/s 4.7m/s
12:00
0% 12°C 0.02mm 86% 0cm 39° 14°C 0.31mm 0.22kPa 24135m 9.3m/s 4.8m/s
13:00
0% 12°C 0.02mm 85% 0cm 41° 14°C 0.44mm 0.24kPa 24134m 9.5m/s 4.7m/s
14:00
0% 12°C 0mm 78% 0cm 40° 16°C 0.5mm 0.38kPa 15264m 8.4m/s 4.9m/s
15:00
0% 12°C 0mm 74% 0cm 38° 16°C 0.88mm 0.48kPa 20933m 9.6m/s 6.4m/s
16:00
0% 12°C 0.02mm 84% 0cm 35° 14°C 0.06mm 0.26kPa 24134m 11m/s 6.2m/s
17:00
0% 12°C 0.14mm 85% 0cm 30° 14°C 0.13mm 0.24kPa 24135m 12m/s 6.1m/s
18:00
0% 12°C 0.15mm 90% 0cm 25° 14°C 0.31mm 0.17kPa 23359m 11m/s 4.8m/s
19:00
0% 12°C 0mm 88% 0cm 19° 14°C 0.38mm 0.19kPa 24135m 10m/s 4.9m/s
20:00
0% 12°C 0.01mm 87% 0cm 14° 14°C 0.38mm 0.2kPa 24135m 10m/s 4.2m/s
21:00
0% 12°C 0.1mm 88% 0cm 9.2° 14°C 0.44mm 0.19kPa 24134m 9.8m/s 3.9m/s
22:00
0% 12°C 0.07mm 90% 0cm 4.9° 14°C 0.06mm 0.16kPa 24134m 9.5m/s 3.9m/s
23:00
0% 12°C 0.18mm 91% 0cm 1.7° 14°C 0.19mm 0.15kPa 23689m 9.9m/s 3.7m/s
Mon, Jul 27 Sunrise 02:32 Sunset 23:53
24:00 ☾
0% 13°C 0mm 92% 0cm -0.64° 14°C 0.31mm 0.13kPa 24135m 9.5m/s 3.8m/s
01:00 ☾
0% 13°C 0mm 91% 0cm -1.9° 14°C 0.31mm 0.15kPa 24134m 9.4m/s 4m/s
02:00 ☾
0% 13°C 0mm 92% 0cm -1.5° 14°C 0.31mm 0.12kPa 24135m 9.1m/s 4m/s
03:00
0% 13°C 0.02mm 92% 0cm 0.39° 14°C 0.31mm 0.12kPa 24134m 9.2m/s 3.4m/s
04:00
0% 13°C 0mm 92% 0cm 3° 14°C 0mm 0.12kPa 24135m 9.3m/s 3.7m/s
05:00
0% 13°C 0mm 91% 0cm 6.7° 14°C 0.06mm 0.14kPa 24135m 8.9m/s 3.5m/s
06:00
0% 13°C 0mm 90% 0cm 11° 14°C 0.06mm 0.17kPa 24135m 8.8m/s 3.6m/s
07:00
0% 13°C 0mm 89% 0cm 16° 14°C 0.13mm 0.18kPa 24134m 9.8m/s 4.4m/s
08:00
0% 13°C 0.16mm 91% 0cm 22° 14°C 0.19mm 0.15kPa 24021m 8.8m/s 4m/s
09:00
0% 13°C 0.73mm 95% 0cm 27° 14°C 0.56mm 0.08kPa 11239m 8.5m/s 3.2m/s
10:00
2% 13°C 0mm 90% 0cm 32° 14°C 0.38mm 0.16kPa 24135m 11m/s 5.2m/s
11:00
3% 12°C 0mm 79% 0cm 36° 16°C 0.5mm 0.38kPa 24135m 9.2m/s 5.8m/s
12:00
5% 12°C 0mm 68% 0cm 39° 18°C 0.5mm 0.63kPa 24135m 7.9m/s 5.5m/s
13:00
4% 12°C 0mm 67% 0cm 40° 18°C 0.69mm 0.67kPa 24134m 7.4m/s 5.5m/s
14:00
3% 12°C 0mm 72% 0cm 40° 17°C 0.94mm 0.54kPa 19693m 7.1m/s 5m/s
15:00
2% 13°C 0mm 72% 0cm 38° 18°C 1.3mm 0.57kPa 15556m 6.8m/s 4.8m/s
16:00
2% 13°C 0mm 79% 0cm 34° 17°C 0.44mm 0.41kPa 14202m 6.9m/s 4.5m/s
17:00
1% 13°C 0mm 80% 0cm 30° 17°C 0.81mm 0.38kPa 24135m 7.2m/s 4.4m/s
18:00
1% 14°C 0mm 80% 0cm 25° 17°C 0.81mm 0.39kPa 24134m 7.4m/s 4.2m/s
19:00
1% 14°C 0.21mm 83% 0cm 19° 16°C 1.2mm 0.31kPa 8420m 8.9m/s 4.8m/s
20:00
1% 13°C 0.02mm 90% 0cm 14° 15°C 1.6mm 0.18kPa 24134m 8.7m/s 3.9m/s
21:00
1% 13°C 0.09mm 91% 0cm 9° 15°C 1.6mm 0.16kPa 24135m 8.1m/s 3.7m/s
22:00
1% 13°C 0.01mm 92% 0cm 4.7° 15°C 0mm 0.13kPa 24134m 7.6m/s 3.4m/s
23:00
0% 13°C 0.96mm 95% 0cm 1.5° 14°C 0.38mm 0.08kPa 11987m 6.1m/s 2.8m/s
Tue, Jul 28 Sunrise 02:39 Sunset 23:46
24:00 ☾
0% 13°C 2.3mm 98% 0cm -0.93° 14°C 2.1mm 0.02kPa 6985m 1.5m/s 1.4m/s
01:00 ☾
0% 14°C 1.8mm 99% 0cm -2.1° 14°C 4.2mm 0.01kPa 8300m 1.5m/s 1.4m/s
02:00 ☾
0% 14°C 0.29mm 100% 0cm -1.8° 14°C 5.1mm 0.01kPa 12324m 1.4m/s 1.3m/s
03:00
0% 14°C 0.4mm 99% 0cm 0.2° 14°C 5.6mm 0.01kPa 2999m 1.5m/s 1.3m/s
04:00
0% 14°C 0.54mm 99% 0cm 2.7° 14°C 0.69mm 0.01kPa 3635m 2.4m/s 1.6m/s
05:00
0% 13°C 0.05mm 98% 0cm 6.5° 14°C 1mm 0.02kPa 16310m 1.9m/s 1.6m/s
06:00
0% 13°C 0mm 97% 0cm 11° 14°C 1mm 0.05kPa 23724m 1.5m/s 1.3m/s
07:00
0% 13°C 0mm 96% 0cm 16° 14°C 1.1mm 0.06kPa 20806m 1.6m/s 1.5m/s
08:00
0% 14°C 0.05mm 94% 0cm 22° 15°C 1.2mm 0.1kPa 21710m 1.6m/s 1.2m/s
09:00
0% 13°C 0mm 94% 0cm 27° 14°C 1.3mm 0.09kPa 23835m 0.3m/s 0.25m/s
10:00
4% 13°C 0mm 84% 0cm 32° 16°C 0.88mm 0.3kPa 23935m 2.6m/s 1.1m/s
11:00
9% 13°C 0mm 73% 0cm 36° 18°C 0.44mm 0.55kPa 24035m 4.8m/s 2m/s
12:00
13% 12°C 0mm 62% 0cm 39° 20°C 0mm 0.86kPa 24135m 7.1m/s 2.9m/s
13:00
11% 12°C 0mm 65% 0cm 40° 19°C 0mm 0.76kPa 24135m 7.2m/s 3.1m/s
14:00
10% 13°C 0mm 68% 0cm 40° 18°C 0mm 0.67kPa 24135m 7.3m/s 3.2m/s
15:00
8% 13°C 0mm 71% 0cm 38° 18°C 0mm 0.58kPa 24135m 7.4m/s 3.4m/s
16:00
9% 12°C 0mm 77% 0cm 34° 16°C 0mm 0.43kPa 24135m 7.8m/s 3.3m/s
17:00
10% 12°C 0mm 82% 0cm 30° 15°C 0mm 0.3kPa 24135m 8.3m/s 3.2m/s
18:00
11% 12°C 0mm 88% 0cm 24° 14°C 0mm 0.19kPa 24135m 8.8m/s 3m/s
19:00
11% 12°C 0.41mm 90% 0cm 19° 14°C 0.56mm 0.15kPa 19708m 9.4m/s 3.7m/s
20:00
10% 12°C 0.81mm 93% 0cm 14° 13°C 1.1mm 0.11kPa 15281m 10m/s 4.3m/s
21:00
10% 12°C 1.2mm 96% 0cm 8.8° 13°C 1.7mm 0.07kPa 10854m 11m/s 4.9m/s
22:00
10% 12°C 0.89mm 96% 0cm 4.5° 13°C 2.5mm 0.06kPa 7282m 10m/s 5m/s
23:00
11% 12°C 0.55mm 97% 0cm 1.3° 13°C 3.2mm 0.04kPa 3710m 9.7m/s 5m/s
Wed, Jul 29 Sunrise 02:47 Sunset 23:39
24:00 ☾
11% 12°C 0.22mm 98% 0cm -1.2° 12°C 4mm 0.03kPa 138m 9.1m/s 5m/s
01:00 ☾
10% 12°C 0.6mm 98% 0cm -2.3° 12°C 4.7mm 0.03kPa 140m 8.8m/s 4.6m/s
02:00 ☾
9% 12°C 0.99mm 98% 0cm -2° 12°C 5.5mm 0.03kPa 142m 8.4m/s 4.3m/s
03:00 ☾
8% 12°C 1.4mm 98% 0cm 0.008° 12°C 6.2mm 0.03kPa 144m 8.1m/s 4m/s
04:00
6% 12°C 1.3mm 98% 0cm 2.5° 12°C 5.4mm 0.03kPa 144m 8.2m/s 3.9m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

How this forecast is made

Opportunities are threshold-based signals: PhotoWeather checks whether forecast conditions match the rules for a photography scenario. They are planning guidance, not guarantees. Forecasts can change as new model runs arrive, and confidence generally decreases farther into the forecast horizon, so recheck conditions before travelling.

The weather forecast foundation comes through Open-Meteo , which aggregates models from weather agencies. PhotoWeather applies condition-specific thresholds and derived calculations; not every condition uses every model or data input.

How opportunities work → Weather data sources →
Forecast generated

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