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Rule Fog Hunter

Fog Hunter Forecast for Banff, Canadian Rockies

Banff, Alberta, Canada

Banff opens onto Lake Louise and Moraine Lake, while Bow Valley fog inversions and Vermilion Lakes alpenglow shape layered mountain scenes.

Currently

Real-time conditions
Fog Probability
0%
Dewpoint Spread15.1°C
Visibility24134 (Clear)
Relative Humidity37%
Wind Speed2.4m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in America/Edmonton

No opportunities in the next 14 days

See which requirements block the most forecast hours below.

Most common blockers (85-hour forecast)

  • Fog Probability100% of hours

How this forecast is evaluated

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

Explore Fog Hunter conditions across Canadian Rockies →

Recorded match history

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

Last 30 days
0
recorded matching windows
Last 90 days
9
recorded matching windows · 83% average confidence
Last 365 days
13
recorded matching windows · 88% average confidence
Most frequent recorded start hour

07:00 local time, shared by 4 of 13 matches recorded in the last 365 days.

Most represented month

June, with 9 of 13 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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85-hour requirements breakdown

When available, the detailed table below covers only the stated 85-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 85 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
America/Edmonton
Fog Probability
≥ 75.0%
Fri, Aug 21
23:000%
Sat, Aug 22
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%
Sun, Aug 23
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%
Mon, Aug 24
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, Aug 25
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
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
America/Edmonton
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
Sat, Aug 22 Sunrise 06:40 Sunset 20:48
13:00
2% 5.5°C 0mm 37% 0cm 49° 21°C 0mm 1.5kPa 24134m 3.1m/s 2.4m/s
14:00
3% 5.2°C 0mm 32% 0cm 50° 23°C 0mm 1.9kPa 24135m 2.3m/s 1.5m/s
15:00
5% 4.9°C 0mm 30% 0cm 48° 24°C 0mm 2.1kPa 24135m 1.7m/s 1.3m/s
16:00
5% 4.6°C 0mm 28% 0cm 42° 24°C 0mm 2.1kPa 24134m 1.9m/s 1.4m/s
17:00
5% 4°C 0mm 28% 0cm 34° 24°C 0mm 2.1kPa 24134m 3m/s 1.6m/s
18:00 ☾
5% 3.9°C 0mm 29% 0cm 25° 23°C 0mm 2kPa 24134m 2.1m/s 1.2m/s
19:00 ☾
8% 4.1°C 0mm 30% 0cm 16° 22°C 0mm 1.9kPa 24134m 2.4m/s 1.4m/s
20:00 ☾
12% 5.4°C 0mm 41% 0cm 6.7° 19°C 0mm 1.3kPa 24134m 2.1m/s 2.1m/s
21:00 ☾
15% 6.2°C 0mm 50% 0cm -2.3° 17°C 0.06mm 0.95kPa 15713m 3.5m/s 2.9m/s
22:00 ☾
10% 8.5°C 0mm 73% 0cm -11° 13°C 0.25mm 0.4kPa 24134m 1.8m/s 2.2m/s
23:00 ☾
6% 8.7°C 0mm 77% 0cm -18° 13°C 0.25mm 0.33kPa 24135m 1.5m/s 1.7m/s
Sun, Aug 23 Sunrise 06:41 Sunset 20:46
24:00 ☾
1% 8.9°C 0mm 77% 0cm -23° 13°C 0.25mm 0.33kPa 24135m 1.6m/s 1.9m/s
01:00 ☾
4% 8.8°C 0mm 82% 0cm -27° 12°C 0mm 0.25kPa 24135m 1.5m/s 1.7m/s
02:00 ☾
7% 8.5°C 0mm 83% 0cm -27° 11°C 0mm 0.22kPa 24134m 1.7m/s 1.9m/s
03:00 ☾
10% 8.1°C 0mm 83% 0cm -25° 11°C 0mm 0.22kPa 24134m 1.8m/s 2.2m/s
04:00 ☾
13% 8°C 0mm 82% 0cm -21° 11°C 0mm 0.23kPa 24134m 2m/s 2.2m/s
05:00 ☾
16% 7.5°C 0mm 86% 0cm -15° 9.8°C 0mm 0.17kPa 24135m 1.8m/s 2.1m/s
06:00 ☾
19% 7.5°C 0mm 90% 0cm -6.8° 9°C 0mm 0.11kPa 24135m 2.1m/s 2.4m/s
07:00
41% 7.5°C 0mm 92% 0cm 2.2° 8.7°C 0mm 0.09kPa 24135m 1.7m/s 1.9m/s
08:00
64% 8°C 0mm 85% 0cm 11° 10°C 0mm 0.19kPa 24134m 1.8m/s 1.6m/s
09:00
86% 8.3°C 0.01mm 74% 0cm 21° 13°C 0.06mm 0.38kPa 24135m 1.8m/s 1.5m/s
10:00
83% 6.5°C 0mm 54% 0cm 30° 16°C 0.25mm 0.83kPa 20217m 2.3m/s 1.5m/s
11:00
81% 4°C 0mm 41% 0cm 38° 18°C 0.25mm 1.2kPa 24134m 4m/s 1.7m/s
12:00
78% 1.7°C 0mm 33% 0cm 45° 18°C 0.25mm 1.4kPa 24135m 4.3m/s 2.9m/s
13:00
58% 0.5°C 0mm 30% 0cm 49° 19°C 0mm 1.5kPa 24134m 4.1m/s 3.9m/s
14:00
37% 0.3°C 0mm 28% 0cm 50° 19°C 0mm 1.6kPa 24134m 3.1m/s 4.1m/s
15:00
17% -0.2°C 0.01mm 27% 0cm 47° 19°C 0mm 1.6kPa 24134m 3.8m/s 4.9m/s
16:00
13% 3.4°C 0.25mm 40% 0cm 41° 17°C 0.13mm 1.2kPa 23919m 6.6m/s 7m/s
17:00
8% 3.5°C 0.01mm 49% 0cm 34° 14°C 0.25mm 0.8kPa 24134m 7.6m/s 4.4m/s
18:00 ☾
4% 1.9°C 0mm 41% 0cm 25° 15°C 0.25mm 1kPa 24134m 9m/s 3.9m/s
19:00 ☾
3% 0.7°C 0mm 38% 0cm 16° 15°C 0mm 1kPa 24134m 8.6m/s 4.2m/s
20:00 ☾
2% 2.2°C 0mm 47% 0cm 6.4° 13°C 0mm 0.81kPa 24134m 1.6m/s 1.5m/s
21:00 ☾
1% 2.1°C 0mm 50% 0cm -2.6° 12°C 0mm 0.7kPa 24135m 2.2m/s 2.3m/s
22:00 ☾
1% 3°C 0.01mm 56% 0cm -11° 11°C 0.06mm 0.59kPa 24134m 3.2m/s 2.5m/s
23:00 ☾
0% 4.6°C 0mm 69% 0cm -18° 10°C 0.06mm 0.38kPa 24134m 3.9m/s 3m/s
Mon, Aug 24 Sunrise 06:43 Sunset 20:44
24:00 ☾
0% 5.4°C 0mm 79% 0cm -24° 8.8°C 0.06mm 0.24kPa 24134m 3.6m/s 2.7m/s
01:00 ☾
3% 5.7°C 0mm 75% 0cm -27° 9.9°C 0mm 0.31kPa 24134m 2.4m/s 1.8m/s
02:00 ☾
6% 5.4°C 0mm 73% 0cm -28° 10°C 0.06mm 0.33kPa 24135m 1.6m/s 1.4m/s
03:00 ☾
9% 5.1°C 0mm 71% 0cm -26° 10°C 0.13mm 0.36kPa 24135m 1m/s 1.1m/s
04:00 ☾
8% 4.6°C 0mm 71% 0cm -21° 9.6°C 0.13mm 0.34kPa 24134m 1.2m/s 1.3m/s
05:00 ☾
7% 4.1°C 0mm 76% 0cm -15° 8.1°C 0.13mm 0.26kPa 24134m 1.1m/s 1.2m/s
06:00 ☾
6% 4°C 0mm 79% 0cm -7° 7.4°C 0.19mm 0.22kPa 24134m 1m/s 1.2m/s
07:00
15% 4.4°C 0mm 76% 0cm 2° 8.4°C 0mm 0.27kPa 24134m 1m/s 1.1m/s
08:00
24% 4.7°C 0mm 72% 0cm 11° 9.6°C 0mm 0.33kPa 24135m 1.3m/s 1.1m/s
09:00
33% 4.8°C 0mm 68% 0cm 20° 11°C 0mm 0.41kPa 24134m 1.7m/s 1.5m/s
10:00
35% 4.7°C 0mm 59% 0cm 29° 12°C 0mm 0.59kPa 24135m 1.8m/s 1.5m/s
11:00
38% 4.6°C 0mm 50% 0cm 38° 15°C 0mm 0.86kPa 24134m 1.4m/s 1.2m/s
12:00
40% 4.3°C 0mm 44% 0cm 44° 17°C 0.06mm 1kPa 24135m 1.4m/s 1.1m/s
13:00
31% 3.4°C 0mm 40% 0cm 49° 17°C 0mm 1.1kPa 24134m 1.3m/s 0.6m/s
14:00
23% 2.7°C 0mm 43% 0cm 50° 15°C 0.06mm 1kPa 24134m 1.3m/s 0.54m/s
15:00
14% 3.5°C 0mm 47% 0cm 47° 15°C 0.06mm 0.88kPa 24134m 1.1m/s 0.84m/s
16:00
12% 3.7°C 0mm 48% 0cm 41° 15°C 0.06mm 0.87kPa 24135m 1m/s 0.99m/s
17:00
11% 3.8°C 0mm 45% 0cm 33° 16°C 0.06mm 0.96kPa 24134m 1.2m/s 0.85m/s
18:00 ☾
9% 3.5°C 0mm 43% 0cm 25° 16°C 0.06mm 1.1kPa 24134m 1.7m/s 0.91m/s
19:00 ☾
13% 5.1°C 0mm 59% 0cm 15° 13°C 0.04mm 0.61kPa 24134m 1.5m/s 0.97m/s
20:00 ☾
16% 5.6°C 0mm 75% 0cm 6.1° 9.8°C 0.02mm 0.3kPa 24134m 1.3m/s 1m/s
21:00 ☾
20% 5.2°C 0mm 91% 0cm -3° 6.5°C 0mm 0.08kPa 24135m 1m/s 1.1m/s
22:00 ☾
24% 5.1°C 0mm 91% 0cm -11° 6.4°C 0mm 0.09kPa 24135m 0.93m/s 0.94m/s
23:00 ☾
29% 4.9°C 0mm 91% 0cm -19° 6.3°C 0mm 0.09kPa 24135m 0.84m/s 0.8m/s
Tue, Aug 25 Sunrise 06:45 Sunset 20:42
24:00 ☾
33% 4.7°C 0mm 91% 0cm -24° 6.1°C 0mm 0.09kPa 24135m 0.75m/s 0.66m/s
01:00 ☾
50% 5.1°C 0mm 81% 0cm -27° 8.2°C 0mm 0.21kPa 24135m 0.91m/s 0.72m/s
02:00 ☾
67% 5.3°C 0mm 71% 0cm -28° 10°C 0mm 0.36kPa 24135m 1.1m/s 0.79m/s
03:00 ☾
84% 5.1°C 0mm 61% 0cm -26° 12°C 0mm 0.56kPa 24135m 1.2m/s 0.85m/s
04:00 ☾
82% 5.3°C 0mm 53% 0cm -22° 15°C 0mm 0.8kPa 24135m 1.6m/s 0.65m/s
05:00 ☾
80% 5°C 0mm 44% 0cm -15° 17°C 0mm 1.1kPa 24135m 1.9m/s 0.44m/s
06:00 ☾
78% 4.2°C 0mm 36% 0cm -7.3° 20°C 0mm 1.5kPa 24135m 2.2m/s 0.23m/s
07:00
72% 3.5°C 0mm 33% 0cm 1.8° 21°C 0mm 1.6kPa 24135m 2.5m/s 0.7m/s
08:00
67% 2.6°C 0mm 29% 0cm 11° 21°C 0mm 1.8kPa 24135m 2.8m/s 1.2m/s
09:00
61% 1.5°C 0mm 26% 0cm 20° 22°C 0mm 2kPa 24135m 3.1m/s 1.6m/s
10:00
60% 1.1°C 0mm 26% 0cm 29° 22°C 0mm 1.9kPa 24135m 3m/s 1.4m/s
11:00
59% 0.8°C 0mm 26% 0cm 37° 21°C 0mm 1.9kPa 24135m 2.8m/s 1.2m/s
12:00
58% 0.4°C 0mm 25% 0cm 44° 21°C 0mm 1.9kPa 24135m 2.6m/s 1.1m/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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