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Rule Fog Hunter

Fog Hunter Forecast for St. Moritz, Alps

Saint Moritz, Canton Grisons, Switzerland

St. Moritz overlooks the Engadin’s chain of lakes and larch-covered slopes, where frozen water and snowfields create broad minimalist winter compositions.

15 matching opportunities in the 14-day forecast.

Hourly forecast scores

Forecast valid from Nov 4, 2026, 6:00 AM UTC (one hour; not an observation)
Dewpoint Spread2.2°C
Visibility29320
Relative Humidity85%
Wind Speed0.6m/s

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/Zurich
fog weather icon
First upcoming window
Dense Fog
St. Moritz
Wed, Nov 11 · 15:00–16:00 · 1h window
Low confidence
28%
🌫️Fog Probability75.6%
Dewpoint Spread: 1.2°C
Visibility: 400 (Fog)
Relative Humidity: 92%
Wind Speed: 0.5m/s (calm conditions)
fog weather icon
Dense Fog at Sunset
St. Moritz
Wed, Nov 11 · 16:00–18:00
🌫️Fog Probability:78.2%
Low
fog weather icon
Dense Fog
St. Moritz
Wed, Nov 11 · 18:00–06:00
🌫️Fog Probability:99.5-100%
High
fog weather icon
Dense Fog at Sunrise
St. Moritz
Thu, Nov 12 · 06:00–09:00
🌫️Fog Probability:100%
High
fog weather icon
Fog
St. Moritz
Thu, Nov 12 · 09:00–11:00
🌫️Fog Probability:80.2-99.5%
Low
fog weather icon
Dense Fog
St. Moritz
Fri, Nov 13 · 18:00–06:00
🌫️Fog Probability:80-100%
Medium
fog weather icon
Dense Fog at Dawn
St. Moritz
Sat, Nov 14 · 06:00–07:00
🌫️Fog Probability:100%
Medium
+8 more windows in the next 14 days

72-hour requirements breakdown

When available, this detailed table covers only the stated 72-hour horizon (typically 72–168 hours, depending on available hourly data). Opportunity records above span the full 14-day forecast period, so this table does not explain that entire period. Times shown in Europe/Zurich.

Most common blockers

Ranked across the 73-hour forecast horizon, not the full opportunity period.

  • Fog Probability100% of hours
0matching hours in the displayed 72-hour forecast
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Europe/Zurich
Fog Probability
≥ 75.0%
Wed, Nov 4
Rule fails. 07:00Fog Probability: 0%. Misses requirement
Rule fails. 08:00Fog Probability: 0%. Misses requirement
Rule fails. 09:00Fog Probability: 0%. Misses requirement
Rule fails. 10:00Fog Probability: 0%. Misses requirement
Rule fails. 11:00Fog Probability: 0%. Misses requirement
Rule fails. 12:00Fog Probability: 0%. Misses requirement
Rule fails. 13:00Fog Probability: 0%. Misses requirement
Rule fails. 14:00Fog Probability: 0%. Misses requirement
Rule fails. 15:00Fog Probability: 0%. Misses requirement
Rule fails. 16:00Fog Probability: 0%. Misses requirement
Rule fails. 17:00Fog Probability: 0%. Misses requirement
Rule fails. 18:00Fog Probability: 0%. Misses requirement
Rule fails. 19:00Fog Probability: 0%. Misses requirement
Rule fails. 20:00Fog Probability: 0%. Misses requirement
Rule fails. 21:00Fog Probability: 0%. Misses requirement
Rule fails. 22:00Fog Probability: 0%. Misses requirement
Rule fails. 23:00Fog Probability: 0%. Misses requirement
Thu, Nov 5
Rule fails. 24:00Fog Probability: 0%. Misses requirement
Rule fails. 01:00Fog Probability: 0%. Misses requirement
Rule fails. 02:00Fog Probability: 0%. Misses requirement
Rule fails. 03:00Fog Probability: 0%. Misses requirement
Rule fails. 04:00Fog Probability: 0%. Misses requirement
Rule fails. 05:00Fog Probability: 0%. Misses requirement
Rule fails. 06:00Fog Probability: 0%. Misses requirement
Rule fails. 07:00Fog Probability: 0%. Misses requirement
Rule fails. 08:00Fog Probability: 0%. Misses requirement
Rule fails. 09:00Fog Probability: 0%. Misses requirement
Rule fails. 10:00Fog Probability: 0%. Misses requirement
Rule fails. 11:00Fog Probability: 0%. Misses requirement
Rule fails. 12:00Fog Probability: 0%. Misses requirement
Rule fails. 13:00Fog Probability: 0%. Misses requirement
Rule fails. 14:00Fog Probability: 0%. Misses requirement
Rule fails. 15:00Fog Probability: 0%. Misses requirement
Rule fails. 16:00Fog Probability: 0%. Misses requirement
Rule fails. 17:00Fog Probability: 0%. Misses requirement
Rule fails. 18:00Fog Probability: 0%. Misses requirement
Rule fails. 19:00Fog Probability: 0%. Misses requirement
Rule fails. 20:00Fog Probability: 0%. Misses requirement
Rule fails. 21:00Fog Probability: 0%. Misses requirement
Rule fails. 22:00Fog Probability: 0%. Misses requirement
Rule fails. 23:00Fog Probability: 0%. Misses requirement
Fri, Nov 6
Rule fails. 24:00Fog Probability: 0%. Misses requirement
Rule fails. 01:00Fog Probability: 0%. Misses requirement
Rule fails. 02:00Fog Probability: 0%. Misses requirement
Rule fails. 03:00Fog Probability: 0%. Misses requirement
Rule fails. 04:00Fog Probability: 0%. Misses requirement
Rule fails. 05:00Fog Probability: 0%. Misses requirement
Rule fails. 06:00Fog Probability: 0%. Misses requirement
Rule fails. 07:00Fog Probability: 0%. Misses requirement
Rule fails. 08:00Fog Probability: 0%. Misses requirement
Rule fails. 09:00Fog Probability: 0%. Misses requirement
Rule fails. 10:00Fog Probability: 0%. Misses requirement
Rule fails. 11:00Fog Probability: 0%. Misses requirement
Rule fails. 12:00Fog Probability: 0%. Misses requirement
Rule fails. 13:00Fog Probability: 0%. Misses requirement
Rule fails. 14:00Fog Probability: 0%. Misses requirement
Rule fails. 15:00Fog Probability: 0%. Misses requirement
Rule fails. 16:00Fog Probability: 0%. Misses requirement
Rule fails. 17:00Fog Probability: 0%. Misses requirement
Rule fails. 18:00Fog Probability: 0%. Misses requirement
Rule fails. 19:00Fog Probability: 0%. Misses requirement
Rule fails. 20:00Fog Probability: 0%. Misses requirement
Rule fails. 21:00Fog Probability: 0%. Misses requirement
Rule fails. 22:00Fog Probability: 0%. Misses requirement
Rule fails. 23:00Fog Probability: 0%. Misses requirement
Sat, Nov 7
Rule fails. 24:00Fog Probability: 0%. Misses requirement
Rule fails. 01:00Fog Probability: 0%. Misses requirement
Rule fails. 02:00Fog Probability: 0%. Misses requirement
Rule fails. 03:00Fog Probability: 0%. Misses requirement
Rule fails. 04:00Fog Probability: 0%. Misses requirement
Rule fails. 05:00Fog Probability: 0%. Misses requirement
Rule fails. 06:00Fog Probability: 0%. Misses requirement
How to read: colored cells show whether each predicate requirement is met; highlighted rows mean the full rule matched (an opportunity).

Supporting forecast inputs

Additional hourly values for interpreting the forecast and any derived scores. See the separate requirements breakdown for rule logic; missing values are unavailable.

Forecast time (Europe/Zurich)Aerosol Optical Depth (550nm)Clear Sky Probability (Ensemble)Dew PointLifted IndexRainfallRelative HumiditySnowfallSolar ElevationTemperatureTotal PrecipitationVapor Pressure DeficitVisibilityWind GustsWind Speed
Wed, Nov 4, 2026Sunrise · Sunset
Night0.031%-2.5°C4.8°C0mm85%0cm-1.7°-0.3°C0mm0.09kPa29320m1.5m/s0.64m/s
0.031%-2.3°C4.6°C0mm85%0cm7.5°-0.1°C0mm0.09kPa28320m1.6m/s0.64m/s
0.030%-1.9°C4°C0mm83%0cm16°0.6°C0mm0.11kPa28360m1.6m/s0.58m/s
0.030%-2°C3.7°C0mm77%0cm22°1.6°C0mm0.16kPa32420m1.6m/s0.61m/s
0.040%-2.2°C3.4°C0mm71%0cm26°2.5°C0mm0.21kPa35460m2.2m/s0.76m/s
0.040%-2.4°C3.7°C0mm67%0cm28°3.1°C0mm0.25kPa37700m2.1m/s0.73m/s
0.040%-2.6°C4.7°C0mm65%0cm27°3.3°C0mm0.27kPa38540m2.5m/s1.2m/s
0.040%-2.4°C5°C0mm66%0cm23°3.3°C0mm0.26kPa38320m3.2m/s1.7m/s
0.050%-2°C5.7°C0mm70%0cm17°2.9°C0mm0.23kPa37000m3.4m/s1.8m/s
0.050%-2.2°C6°C0mm71%0cm8.6°2.5°C0mm0.21kPa36540m3.4m/s1.8m/s
0.060%-1.4°C6.5°C0mm80%0cm-0.08°1.7°C0mm0.14kPa31820m3.3m/s1.8m/s
Night0.070%-1.7°C6.2°C0mm81%0cm-10°1.2°C0mm0.13kPa31980m3.1m/s1.5m/s
Night0.060%-1.8°C6.5°C0mm82%0cm-21°0.9°C0mm0.12kPa31800m2.6m/s1.5m/s
Night0.050%-1.5°C6.6°C0mm85%0cm-31°0.7°C0mm0.1kPa29600m2.3m/s1.1m/s
Night0.050%-1.2°C6.8°C0mm89%0cm-41°0.4°C0mm0.07kPa24400m2.3m/s1.4m/s
Night0.050%-1.2°C6.8°C0mm89%0cm-50°0.4°C0mm0.07kPa24380m2.3m/s1.3m/s
Night0.040%-1.4°C6.8°C0mm89%0cm-56°0.2°C0mm0.07kPa23060m2.4m/s1.3m/s
Thu, Nov 5, 2026Sunrise · Sunset
Night0.040%-1.2°C6.3°C0mm91%0cm-59°0.1°C0mm0.06kPa20940m2.3m/s1.1m/s
Night0.040%-1.2°C6°C0mm91%0cm-57°0.1°C0mm0.06kPa21160m2m/s1m/s
Night0.040%-1.3°C5.6°C0mm90%0cm-51°0.1°C0mm0.06kPa22360m1.7m/s0.85m/s
Night0.030%-1.4°C6.1°C0mm91%0cm-42°-0.1°C0mm0.05kPa20960m1.8m/s1m/s
Night0.030%-1.6°C6.6°C0mm90%0cm-33°-0.2°C0mm0.06kPa22940m1.7m/s1.1m/s
Night0.031%-1.9°C6.7°C0mm89%0cm-22°-0.3°C0mm0.07kPa24440m1.7m/s0.92m/s
Night0.031%-2.4°C7°C0mm87%0cm-12°-0.5°C0mm0.08kPa26440m1.7m/s1.1m/s
Night0.032%-2.6°C6.9°C0mm86%0cm-1.9°-0.6°C0mm0.08kPa28190m1.9m/s0.96m/s
0.037%-2.4°C6.5°C0mm85%0cm7.3°-0.2°C0mm0.09kPa28925m1.7m/s1m/s
0.0313%-1.8°C5.2°C0mm79%0cm15°1.4°C0mm0.14kPa32460m1.6m/s0.81m/s
0.0318%-1.6°C4.6°C0mm74%0cm22°2.6°C0mm0.19kPa34560m1.3m/s0.41m/s
0.0318%-1.3°C4°C0mm67%0cm26°4.3°C0mm0.27kPa37720m2.4m/s1.2m/s
0.0319%-0.9°C3.4°C0mm65%0cm28°5.1°C0mm0.31kPa38100m3.9m/s2.1m/s
0.0419%-0.3°C3.8°C0mm67%0cm27°5.3°C0mm0.29kPa37320m4.7m/s2.5m/s
Unavailable18%-0.1°C3.7°C0mm67%0cm23°5.5°C0mm0.3kPa37320m4.7m/s2.3m/s
Unavailable16%0.1°C3.9°C0mm69%0cm16°5.3°C0mm0.28kPa36900m4.4m/s2.4m/s
Unavailable15%0.4°C4.7°C0mm76%0cm8.4°4.2°C0mm0.2kPa33440m4.8m/s2.4m/s
NightUnavailable14%0.6°C6.1°C0mm86%0cm-0.45°2.7°C0mm0.1kPa27380m4.4m/s1.7m/s
NightUnavailable14%0.2°C7.2°C0mm89%0cm-11°1.8°C0mm0.08kPa23620m2.9m/s1.5m/s
NightUnavailable13%-0.4°C7.6°C0mm85%0cm-21°1.9°C0mm0.11kPa29420m2.4m/s0.82m/s
NightUnavailable21%-0.7°C7.6°C0mm80%0cm-31°2.4°C0mm0.15kPa34160m1.3m/s0.5m/s
NightUnavailable30%-1°C7.1°C0mm78%0cm-41°2.4°C0mm0.16kPa35440m0.7m/s0.67m/s
NightUnavailable38%-1°C7.4°C0mm82%0cm-50°1.7°C0mm0.12kPa32320m2m/s0.89m/s
NightUnavailable37%-0.8°C7.3°C0mm83%0cm-57°1.8°C0mm0.12kPa30920m1.6m/s0.86m/s
Fri, Nov 6, 2026Sunrise · Sunset
NightUnavailable37%-0.8°C7.2°C0mm81%0cm-59°2.1°C0mm0.14kPa30700m1.3m/s0.61m/s
NightUnavailable36%-1.3°C7.2°C0mm79%0cm-57°2°C0mm0.15kPa33960m1.2m/s0.32m/s
NightUnavailable34%-1.4°C7.2°C0mm80%0cm-51°1.7°C0mm0.14kPa33865m1.1m/s0.65m/s
NightUnavailable31%-1.6°C7.2°C0mm80%0cm-43°1.5°C0mm0.14kPa34410m0.85m/s0.42m/s
NightUnavailable29%-1.8°C6.9°C0mm82%0cm-33°0.9°C0mm0.12kPa33950m1.1m/s0.49m/s
NightUnavailable27%-2°C6.8°C0mm85%0cm-22°0.2°C0mm0.09kPa33120m1.1m/s0.36m/s
NightUnavailable26%-2.1°C6.8°C0mm86%0cm-12°0°C0mm0.09kPa32100m0.9m/s0.14m/s
NightUnavailable24%-2.2°C6.8°C0mm88%0cm-2.2°-0.5°C0mm0.07kPa31620m1.2m/s0.5m/s
Unavailable26%-2°C5.9°C0mm90%0cm7°-0.6°C0mm0.06kPa30820m1.1m/s0.32m/s
Unavailable29%-1.4°C5.2°C0mm91%0cm15°-0.1°C0mm0.05kPa29800m1.5m/s0.5m/s
Unavailable31%-0.3°C4.8°C0mm87%0cm22°1.6°C0mm0.09kPa28520m1.7m/s0m/s
Unavailable30%-0.3°C4.2°C0mm79%0cm26°3°C0mm0.16kPa29060m2.1m/s0.63m/s
Unavailable30%-0.7°C3.6°C0mm71%0cm27°4.1°C0mm0.24kPa31060m2.2m/s0.36m/s
Unavailable29%-0.1°C3.2°C0mm69%0cm26°5.1°C0mm0.27kPa32380m1.9m/s0.5m/s
Unavailable22%0.2°C3.1°C0mm68%0cm22°5.6°C0mm0.29kPa34920m2.1m/s0.57m/s
Unavailable16%0.3°C3.1°C0mm68%0cm16°5.7°C0mm0.29kPa33720m1.9m/s0.72m/s
Unavailable9%0.8°C3.2°C0mm73%0cm8.2°5.2°C0mm0.24kPa31320m2m/s0.76m/s
NightUnavailable7%0.3°C3.4°C0mm77%0cm-0.75°4°C0mm0.19kPa30080m1.8m/s0.92m/s
NightUnavailable6%0°C3.4°C0mm79%0cm-11°3.3°C0mm0.16kPa30440m2.1m/s0.85m/s
NightUnavailable4%-0.2°C3.6°C0mm80%0cm-21°2.9°C0mm0.15kPa29040m1.8m/s0.67m/s
NightUnavailable4%-0.3°C3.3°C0mm81%0cm-31°2.6°C0mm0.14kPa27600m1.6m/s0.71m/s
NightUnavailable3%-0.6°C2.8°C0mm81%0cm-41°2.3°C0mm0.14kPa29620m1.7m/s0.81m/s
NightUnavailable3%-0.9°C3°C0mm81%0cm-50°2°C0mm0.13kPa31280m1.7m/s0.63m/s
NightUnavailable3%-1.3°C2.7°C0mm80%0cm-57°1.8°C0mm0.14kPa31020m1.7m/s0.89m/s
Sat, Nov 7, 2026Sunrise · Sunset
NightUnavailable3%-1.6°C2°C0mm79%0cm-60°1.6°C0mm0.14kPa30740m1.7m/s0.85m/s
NightUnavailable3%-2.1°C2.3°C0mm78%0cm-58°1.3°C0mm0.15kPa30120m1.9m/s0.98m/s
NightUnavailable5%-2.4°C2.1°C0mm79%0cm-51°0.8°C0mm0.14kPa30840m1.8m/s0.81m/s
NightUnavailable6%-2.4°C1.9°C0mm80%0cm-43°0.6°C0mm0.13kPa30020m1.6m/s0.64m/s
NightUnavailable8%-2.5°C1.8°C0mm79%0cm-33°0.7°C0mm0.13kPa29020m1.2m/s0.3m/s
NightUnavailable8%-2.4°C1.5°C0mm80%0cm-23°0.6°C0mm0.13kPa29160m0.7m/s0.45m/s
NightUnavailable7%-2.5°C1.9°C0mm81%0cm-12°0.4°C0mm0.12kPa28580m0.6m/s0.45m/s

How this forecast is evaluated

See which weather signals PhotoWeather uses to identify Fog Hunter conditions across Alps. The requirements and hourly values above show how those signals apply at St. Moritz.

Explore Fog Hunter conditions across Alps →

Recorded match history

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

Last 30 days
0
recorded matching windows
Last 90 days
18
recorded matching windows · 82% average confidence
Last 365 days
53
recorded matching windows · 77% average confidence
Most frequent recorded start hour

03:00 local time, shared by 13 of 53 matches recorded in the last 365 days.

Most represented month

June, with 17 of 53 matches recorded in the last 365 days.

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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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.

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