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Rule Fog Hunter

Fog Hunter Forecast for Mývatn, Iceland

Reykjahlíð, Northeast, Iceland

Mývatn surrounds shallow water with pseudocraters, lava pillars, and distant volcanic ridges. Geothermal steam adds moving layers, while snow makes the dark volcanic forms especially graphic in winter.

4 matching opportunities in the 14-day forecast.

Hourly forecast scores

Forecast valid from Oct 7, 2026, 11:00 PM UTC (one hour; not an observation)
Dewpoint Spread1.4°C
Visibility18280
Relative Humidity90%
Wind Speed1.0m/s

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Atlantic/Reykjavik
fog weather icon
First upcoming window
Misty Conditions
Mývatn
Fri, Oct 9 · 14:00–16:00 · 2h window
High confidence
84%
🌫️Fog Probability88.8-98.5%
Dewpoint Spread: 0.3°C
Visibility: 2560 (Mist/Haze)
Relative Humidity: 98%
Wind Speed: 0.4m/s (calm conditions)
fog weather icon
Fog
Mývatn
Thu, Oct 15 · 05:00–07:00
🌫️Fog Probability:80%
Low
fog weather icon
Dense Fog
Mývatn
Sun, Oct 18 · 21:00–03:00
🌫️Fog Probability:94.8-100%
High
fog weather icon
Dense Fog
Mývatn
Mon, Oct 19 · 22:00–07:00
🌫️Fog Probability:100%
High

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 Atlantic/Reykjavik.

Most common blockers

Ranked across the 91-hour forecast horizon, not the full opportunity period.

  • Fog Probability97% of hours
2matching hours in the displayed 72-hour forecastJump to first displayed match
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Atlantic/Reykjavik
Fog Probability
≥ 75.0%
Wed, Oct 7
Rule fails. 23:00Fog Probability: 0%. Misses requirement
Thu, Oct 8
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, Oct 9
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: 60%. 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: 62%. Misses requirement
Rule fails. 13:00Fog Probability: 62%. Misses requirement
Rule passes. 14:00Fog Probability: 89%. Meets requirement
Rule passes. 15:00Fog Probability: 99%. Meets requirement
Rule fails. 16:00Fog Probability: 67%. Misses requirement
Rule fails. 17:00Fog Probability: 67%. 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, Oct 10
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
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 (Atlantic/Reykjavik)Aerosol Optical Depth (550nm)Clear Sky Probability (Ensemble)Dew PointLifted IndexRainfallRelative HumiditySnowfallSolar ElevationTemperatureTotal PrecipitationVapor Pressure DeficitVisibilityWind GustsWind Speed
Wed, Oct 7, 2026Sunrise · Sunset
Night0.0317%-1.5°C17°C0mm90%0cm-27°-0.1°C0mm0.06kPa18280m2.3m/s1m/s
Thu, Oct 8, 2026Sunrise · Sunset
Night0.048%-2°C17°C0mm89%0cm-29°-0.4°C0mm0.07kPa50000m2.6m/s1.2m/s
Night0.045%-2.3°C18°C0mm88%0cm-30°-0.6°C0mm0.07kPa50000m2.5m/s1.2m/s
Night0.043%-2.9°C18°C0mm86%0cm-29°-0.9°C0mm0.08kPa21980m3.1m/s2m/s
Night0.060%-2.8°C19°C0mm86%0cm-26°-0.8°C0mm0.08kPa50000m3.4m/s1.9m/s
Night0.070%-2.6°C20°C0mm85%0cm-22°-0.4°C0mm0.09kPa50000m3.9m/s2.8m/s
Night0.070%-2.3°C20°C0mm83%0cm-17°0.2°C0mm0.11kPa50000m4.3m/s2.9m/s
Night0.060%-2.4°C20°C0mm80%0cm-11°0.6°C0mm0.13kPa50000m5.9m/s3.8m/s
Night0.050%-2.4°C20°C0mm81%0cm-4.8°0.5°C0mm0.12kPa50000m6.4m/s4.1m/s
0.060%-2.7°C20°C0mm78%0cm1.5°0.7°C0mm0.14kPa50000m6.2m/s4m/s
0.070%-3.2°C19°C0mm72%0cm6.9°1.3°C0mm0.19kPa50000m7.3m/s4.8m/s
0.090%-2.7°C19°C0mm74%0cm12°1.4°C0mm0.18kPa35520m8m/s5.2m/s
0.110%-2.3°C18°C0mm69%0cm15°2.8°C0mm0.23kPa50000m7.9m/s3.3m/s
0.120%-0.1°C19°C0mm84%0cm18°2.3°C0mm0.12kPa50000m7.4m/s4.6m/s
0.10%1.2°C18°C0.1mm92%0cm18°2.4°C0.1mm0.06kPa14920m7m/s4.6m/s
0.070%1.6°C17°C0.3mm93%0cm17°2.6°C0.3mm0.05kPa25960m11m/s7.3m/s
0.040%1.4°C16°C0.1mm90%0cm15°2.9°C0.1mm0.08kPa50000m11m/s6.8m/s
0.030%0.9°C14°C0mm84%0cm11°3.3°C0mm0.12kPa50000m11m/s6.1m/s
0.020%1.1°C14°C0mm86%0cm5.9°3.2°C0mm0.11kPa50000m11m/s6.8m/s
0.020%0.7°C14°C0mm81%0cm0.53°3.7°C0mm0.15kPa50000m13m/s8.1m/s
Night0.031%0.8°C13°C0mm81%0cm-6°3.8°C0mm0.15kPa28300m17m/s10m/s
Night0.032%1.3°C13°C0mm84%0cm-12°3.8°C0mm0.13kPa50000m16m/s9.7m/s
Night0.033%1.5°C12°C0mm85%0cm-18°3.8°C0mm0.12kPa50000m17m/s11m/s
Night0.032%1.5°C11°C0mm85%0cm-23°3.8°C0mm0.12kPa24240m17m/s10m/s
Night0.032%1.9°C11°C0mm89%0cm-27°3.5°C0mm0.09kPa19220m17m/s11m/s
Fri, Oct 9, 2026Sunrise · Sunset
Night0.031%2.3°C10°C0.2mm91%0cm-30°3.6°C0.2mm0.07kPa19080m17m/s9.9m/s
Night0.031%2.5°C10°C0.7mm91%0cm-31°3.8°C0.7mm0.07kPa12700m16m/s7.9m/s
Night0.030%2.7°C10°C1.2mm92%0cm-29°3.9°C1.2mm0.06kPa10060m13m/s7.2m/s
Night0.030%2.8°C9.9°C1.1mm92%0cm-27°4°C1.1mm0.07kPa27460m11m/s5.8m/s
Night0.030%2.9°C9.9°C0.8mm91%0cm-22°4.2°C0.8mm0.07kPa11340m10m/s6.5m/s
Night0.030%3°C9.9°C0.8mm92%0cm-17°4.2°C0.8mm0.07kPa15600m10m/s5.8m/s
Night0.030%3°C9.4°C0.1mm92%0cm-11°4.2°C0.1mm0.07kPa14660m8.8m/s3.5m/s
Night0.030%3.3°C9.3°C0mm95%0cm-5.2°4°C0mm0.04kPa8600m5.5m/s2.7m/s
0.030%2.8°C9.1°C0mm92%0cm1.2°4°C0mm0.07kPa15120m5.7m/s3.8m/s
0.030%2.7°C9.8°C0mm91%0cm6.6°4°C0mm0.07kPa16820m6.5m/s4.2m/s
0.030%2.5°C10°C0mm90%0cm11°4°C0mm0.08kPa17140m6.5m/s3.1m/s
0.030%3°C9.9°C0mm94%0cm15°3.9°C0mm0.05kPa17260m4.8m/s1m/s
0.040%3.1°C10°C0mm97%0cm17°3.5°C0mm0.02kPa3660m2m/s1.2m/s
Unavailable0%3.1°C10°C0mm97%0cm18°3.5°C0mm0.02kPa3860m2m/s0.8m/s
Unavailable0%3.2°C10°C0.1mm98%0cm17°3.5°C0.1mm0.02kPa2480m1.5m/s0.6m/s
Unavailable0%3.3°C10°C0mm98%0cm14°3.6°C0mm0.02kPa2560m1.1m/s0.4m/s
Unavailable0%3.4°C10°C0mm96%0cm11°4°C0mm0.03kPa4620m1m/s0.6m/s
Unavailable0%3.8°C10°C0.1mm96%0cm5.6°4.4°C0.1mm0.03kPa4140m2m/s0.9m/s
Unavailable0%2.8°C9.4°C0.1mm89%0cm0.21°4.5°C0.1mm0.09kPa19180m9.6m/s5.3m/s
NightUnavailable0%2.5°C8.5°C0.2mm90%0cm-6.4°4°C0.2mm0.08kPa27800m8.4m/s5.3m/s
NightUnavailable0%2.5°C8.6°C0.4mm91%0cm-13°3.8°C0.4mm0.07kPa26880m8.4m/s4.3m/s
NightUnavailable0%2.2°C8.7°C0.5mm88%0cm-18°4°C0.5mm0.1kPa19440m11m/s6.8m/s
NightUnavailable0%2.2°C9.2°C0.7mm89%0cm-24°3.8°C0.7mm0.09kPa22100m11m/s6.8m/s
NightUnavailable0%2.3°C9.6°C0.4mm88%0cm-28°4.1°C0.4mm0.1kPa28560m12m/s7m/s
Sat, Oct 10, 2026Sunrise · Sunset
NightUnavailable0%2.6°C10°C0.3mm90%0cm-30°4.1°C0.3mm0.08kPa28340m12m/s7.2m/s
NightUnavailable0%2.2°C11°C0.2mm89%0cm-31°3.8°C0.2mm0.09kPa50000m13m/s5.2m/s
NightUnavailable0%1.9°C11°C0.1mm88%0cm-30°3.7°C0.1mm0.1kPa19980m9.1m/s5.5m/s
NightUnavailable0%1.9°C11°C0.08mm89%0cm-27°3.5°C0.08mm0.09kPa18515m8.6m/s5.1m/s
NightUnavailable0%2°C11°C0.25mm92%0cm-23°3.2°C0.25mm0.06kPa20720m7.7m/s4.3m/s
NightUnavailable0%2.1°C11°C0.1mm93%0cm-18°3.1°C0.1mm0.05kPa16100m6.4m/s3.5m/s
NightUnavailable0%1.9°C12°C0.1mm94%0cm-12°2.8°C0.1mm0.04kPa15100m4.8m/s2.4m/s
NightUnavailable0%1.9°C12°C0mm94%0cm-5.5°2.8°C0mm0.04kPa17860m4.1m/s2.3m/s
Unavailable0%1.9°C12°C0mm94%0cm0.93°2.8°C0mm0.04kPa23060m4.8m/s2.8m/s
Unavailable0%2.1°C12°C0mm94%0cm6.3°3°C0mm0.05kPa13140m5.2m/s3.3m/s
Unavailable0%2.1°C11°C0mm92%0cm11°3.3°C0mm0.06kPa13940m6m/s3.5m/s
Unavailable0%1.9°C11°C0mm88%0cm15°3.7°C0mm0.1kPa21620m6.1m/s3.3m/s
Unavailable0%1.4°C11°C0mm82%0cm17°4.2°C0mm0.15kPa51000m6.2m/s3.4m/s
Unavailable1%1°C11°C0mm77%0cm18°4.7°C0mm0.2kPa57260m6.7m/s3.8m/s
Unavailable3%0.8°C9.7°C0mm74%0cm17°5°C0mm0.23kPa57240m7.1m/s3.9m/s
Unavailable4%0.4°C9.5°C0mm71%0cm14°5.2°C0mm0.26kPa57340m7.2m/s4m/s
Unavailable4%0.1°C11°C0mm71%0cm10°4.9°C0mm0.25kPa61620m7.1m/s3.8m/s
Unavailable3%0.6°C12°C0mm75%0cm5.2°4.6°C0mm0.21kPa27820m6.5m/s3.4m/s
Unavailable3%0.4°C12°C0mm77%0cm-0.21°4.1°C0mm0.19kPa57500m5.6m/s2.8m/s
NightUnavailable7%0.5°C13°C0mm80%0cm-6.8°3.6°C0mm0.16kPa57460m4.9m/s2.3m/s
NightUnavailable10%0.5°C13°C0mm82%0cm-13°3.3°C0mm0.14kPa57520m4m/s2.2m/s
NightUnavailable14%0.2°C13°C0mm82%0cm-19°3°C0mm0.14kPa57660m3.9m/s1.9m/s
NightUnavailable13%-0.3°C14°C0mm84%0cm-24°2.1°C0mm0.11kPa52380m3.4m/s1.7m/s

How this forecast is evaluated

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

Explore Fog Hunter conditions across Iceland →

Recorded match history

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

Last 30 days
11
recorded matching windows · 93% average confidence
Last 90 days
18
recorded matching windows · 84% average confidence
Last 365 days
30
recorded matching windows · 82% average confidence
Most represented month

September, with 12 of 30 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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