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Rule Fog Hunter

Miette - Fog Hunter - Canadian Rockies

Miette, Alberta, Canada

Thick, moody fog for atmospheric forest and landscape shots

No opportunities right now
Here’s what usually blocks matches

No Fog Hunter opportunities in the next 14 days

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Rule requirements (key thresholds)
Fog Probability · ≥ 75.0%

Tip: Scroll down to the 72-hour table to see exactly which condition fails hour by hour.

Most common blockers (next 72 hours)
Fog Probability 100% failing

Currently

Real-time conditions
Dewpoint Spread5.2°C
Visibility24134 (Clear)
Relative Humidity70%
Wind Speed3.0m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in America/Edmonton

No opportunities in the next 10 days

See the blocker timeline below to understand which conditions are preventing matches.

What this forecast looks for

Plain-language explanation from the rule

This forecast tracks the temperature inversions and fog conditions that create some of the most dramatic mountain photography in North America. We combine atmospheric data with local topography to predict when Bow Valley inversions will trap fog below while peaks glow above.

The Canadian Rockies are famous for their autumn morning fog, particularly in the Bow Valley corridor between Banff and Lake Louise. Cold mountain air settles into valleys overnight, creating thick fog layers that can persist until mid-morning, especially in September and October.

What makes Rockies fog photography exceptional:

  • Bow Valley inversions - Temperature inversions create sea-of-fog conditions with peaks emerging above the cloud layer
  • Glacier lake mist - Moraine Lake and Lake Louise develop ethereal mist at dawn when water temperatures meet cold air
  • Castle Junction phenomena - Junction areas where valleys meet create reliable fog formation zones
  • Autumn intensity - September through October brings the most dramatic and frequent fog events

Best shooting occurs at elevated viewpoints like Tunnel Mountain or Sulphur Mountain during inversions, or directly at lake level during misty conditions. Our forecast identifies when these different fog types will occur.

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72-hour requirements breakdown

What passed or failed, hour by hour
0matching hours in the next 95 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
America/Edmonton
Fog Probability
≥ 75.0%
Sun, Jun 7
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, Jun 8
24:000%
01:0055%
02:0055%
03:0055%
04:000%
05:0055%
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, Jun 9
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%
Wed, Jun 10
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%
Thu, Jun 11
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
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
Mon, Jun 8 Sunrise 05:26 Sunset 22:15
09:00
0% 0.7°C 0mm 70% 0cm 28° 5.9°C 0mm 0.28kPa 24134m 3.8m/s 3m/s
10:00
0% 0°C 0mm 59% 0cm 37° 7.5°C 0mm 0.42kPa 24135m 3.7m/s 2.9m/s
11:00
0% -1°C 0mm 48% 0cm 46° 9.4°C 0mm 0.61kPa 24135m 3.9m/s 2.8m/s
12:00
0% -1.7°C 0mm 40% 0cm 53° 11°C 0mm 0.8kPa 24134m 3.9m/s 2.4m/s
13:00
0% -1.9°C 0mm 36% 0cm 58° 13°C 0mm 0.94kPa 24134m 3.7m/s 2.5m/s
14:00
0% -2.1°C 0mm 33% 0cm 60° 14°C 0mm 1.1kPa 24134m 3.2m/s 2.2m/s
15:00
0% -2.2°C 0mm 31% 0cm 57° 15°C 0mm 1.1kPa 24135m 2.7m/s 2.3m/s
16:00
1% -2.4°C 0mm 31% 0cm 51° 15°C 0mm 1.2kPa 24134m 2.5m/s 2.6m/s
17:00
2% -2.7°C 0mm 30% 0cm 43° 14°C 0mm 1.1kPa 24135m 2.5m/s 2.9m/s
18:00
3% -2.5°C 0mm 32% 0cm 35° 14°C 0mm 1.1kPa 24135m 2.7m/s 3.2m/s
19:00
14% -2°C 0mm 34% 0cm 26° 14°C 0mm 1kPa 24135m 3m/s 2.9m/s
20:00
25% -1.7°C 0mm 36% 0cm 17° 13°C 0mm 0.95kPa 24135m 2.9m/s 2.3m/s
21:00
36% 0.4°C 0mm 48% 0cm 8.6° 11°C 0mm 0.68kPa 24135m 1.6m/s 1.9m/s
22:00
33% -0.4°C 0mm 57% 0cm 1.4° 7.6°C 0mm 0.45kPa 24134m 1.5m/s 1.8m/s
23:00
31% -0.8°C 0mm 61% 0cm -5.3° 6.1°C 0mm 0.36kPa 24135m 1.5m/s 1.8m/s
Tue, Jun 9 Sunrise 05:26 Sunset 22:16
24:00
28% -0.9°C 0mm 64% 0cm -10° 5.4°C 0mm 0.33kPa 24135m 1.6m/s 1.9m/s
01:00
20% -1°C 0mm 66% 0cm -13° 4.8°C 0mm 0.29kPa 24135m 1.6m/s 2m/s
02:00
12% -1.1°C 0mm 66% 0cm -14° 4.7°C 0mm 0.29kPa 24134m 1.5m/s 1.8m/s
03:00
4% -1.3°C 0mm 66% 0cm -12° 4.5°C 0mm 0.29kPa 24135m 1.4m/s 1.6m/s
04:00
3% -1.2°C 0mm 65% 0cm -8.8° 4.8°C 0mm 0.3kPa 24135m 1.3m/s 1.5m/s
05:00
2% -1.1°C 0mm 63% 0cm -3.5° 5.3°C 0mm 0.33kPa 24134m 1.4m/s 1.5m/s
06:00
1% -0.9°C 0mm 62% 0cm 3.4° 5.7°C 0mm 0.34kPa 24134m 1.3m/s 1.5m/s
07:00
1% -0.4°C 0mm 60% 0cm 11° 6.7°C 0mm 0.39kPa 24134m 1.1m/s 1.3m/s
08:00
0% -0.2°C 0mm 54% 0cm 20° 8.6°C 0mm 0.52kPa 24135m 0.72m/s 0.64m/s
09:00
0% -0.3°C 0mm 48% 0cm 28° 10°C 0mm 0.66kPa 24134m 0.8m/s 0.43m/s
10:00
0% -0.1°C 0mm 43% 0cm 37° 12°C 0mm 0.79kPa 24135m 1.9m/s 1.2m/s
11:00
0% 0°C 0mm 40% 0cm 46° 13°C 0mm 0.93kPa 24135m 2.7m/s 1.5m/s
12:00
0% 0°C 0mm 37% 0cm 53° 15°C 0.06mm 1.1kPa 24134m 1.9m/s 1.6m/s
13:00
0% 0.8°C 0.06mm 43% 0cm 58° 13°C 0.06mm 0.85kPa 23120m 1.9m/s 2.6m/s
14:00
0% 3.1°C 0.11mm 55% 0cm 60° 12°C 0.25mm 0.62kPa 24134m 1.7m/s 2.6m/s
15:00
0% 4°C 0.18mm 59% 0cm 57° 12°C 0.5mm 0.56kPa 23496m 1.7m/s 1.9m/s
16:00
0% 4°C 0mm 60% 0cm 51° 12°C 0.75mm 0.55kPa 23790m 2m/s 1.6m/s
17:00
0% 4°C 0mm 57% 0cm 43° 12°C 1.1mm 0.61kPa 24134m 2.1m/s 2m/s
18:00
0% 4.3°C 0.03mm 60% 0cm 35° 12°C 1.4mm 0.56kPa 23685m 1.7m/s 1.8m/s
19:00
0% 4.4°C 0.01mm 64% 0cm 26° 11°C 0.25mm 0.48kPa 23667m 1.1m/s 1.2m/s
20:00
0% 5.1°C 0.08mm 71% 0cm 17° 10°C 0.56mm 0.36kPa 23714m 1m/s 1.1m/s
21:00
0% 6°C 0.13mm 82% 0cm 8.7° 8.8°C 0.88mm 0.2kPa 23802m 1.1m/s 0.99m/s
22:00
0% 6°C 0.21mm 88% 0cm 1.5° 7.9°C 1.3mm 0.13kPa 24134m 0.83m/s 0.81m/s
23:00
0% 5.9°C 0.73mm 91% 0cm -5.2° 7.3°C 2mm 0.09kPa 12935m 1.9m/s 1.8m/s
Wed, Jun 10 Sunrise 05:25 Sunset 22:17
24:00
0% 5.3°C 0.89mm 94% 0cm -10° 6.3°C 3.2mm 0.06kPa 11329m 2.4m/s 2.2m/s
01:00
0% 4.5°C 1.3mm 94% 0cm -13° 5.4°C 1.2mm 0.05kPa 10731m 2.6m/s 2.3m/s
02:00
0% 3.7°C 1.5mm 94% 0cm -14° 4.6°C 2.6mm 0.05kPa 8730m 2.5m/s 2.1m/s
03:00
0% 3.3°C 1.9mm 94% 0cm -12° 4.2°C 4.3mm 0.05kPa 7426m 2.3m/s 1.8m/s
04:00
0% 3.4°C 2mm 95% 0cm -8.8° 4.1°C 6.4mm 0.04kPa 1736m 2.2m/s 1.7m/s
05:00
0% 3.1°C 1.1mm 96% 0cm -3.4° 3.7°C 8.2mm 0.03kPa 2181m 2.3m/s 1.9m/s
06:00
0% 2.8°C 2.4mm 95% 0cm 3.4° 3.6°C 9.7mm 0.04kPa 1569m 2m/s 1.6m/s
07:00
0% 2.8°C 2.9mm 97% 0cm 11° 3.3°C 3mm 0.02kPa 1231m 2.5m/s 2m/s
08:00
0% 2.8°C 1.5mm 96% 0cm 20° 3.4°C 5.2mm 0.03kPa 1142m 2.2m/s 1.7m/s
09:00
0% 2.9°C 0.22mm 95% 0cm 28° 3.6°C 5.8mm 0.04kPa 2357m 2.6m/s 2.1m/s
10:00
0% 3.5°C 0.17mm 94% 0cm 37° 4.3°C 6.1mm 0.05kPa 2662m 2.2m/s 1.8m/s
11:00
0% 3.9°C 0.07mm 92% 0cm 46° 5.1°C 6.1mm 0.07kPa 2301m 2.3m/s 1.8m/s
12:00
0% 4.3°C 0.97mm 92% 0cm 53° 5.5°C 6.8mm 0.07kPa 2575m 1.8m/s 1.3m/s
13:00
0% 4.2°C 1.3mm 94% 0cm 58° 5°C 1.6mm 0.05kPa 2928m 2.4m/s 1.9m/s
14:00
0% 4°C 0.45mm 93% 0cm 60° 5°C 2.4mm 0.06kPa 4422m 2.4m/s 1.9m/s
15:00
0% 4.1°C 0.16mm 91% 0cm 57° 5.5°C 2.8mm 0.08kPa 24135m 2.8m/s 2.1m/s
16:00
0% 4.8°C 0mm 88% 0cm 51° 6.6°C 2.9mm 0.12kPa 24135m 2.7m/s 2.1m/s
17:00
0% 5.1°C 0mm 84% 0cm 44° 7.7°C 2.9mm 0.17kPa 24134m 2.7m/s 2.2m/s
18:00
0% 4.9°C 0mm 78% 0cm 35° 8.6°C 2.9mm 0.25kPa 24134m 2.7m/s 2.3m/s
19:00
0% 4.5°C 0.003mm 82% 0cm 26° 7.3°C 2mm 0.18kPa 24134m 2.4m/s 2.1m/s
20:00
0% 4.1°C 0.007mm 87% 0cm 17° 6.1°C 1.1mm 0.12kPa 24135m 2.2m/s 2m/s
21:00
0% 3.7°C 0.01mm 92% 0cm 8.8° 4.9°C 0.25mm 0.07kPa 24135m 1.9m/s 1.8m/s
22:00
0% 3.6°C 0.007mm 92% 0cm 1.5° 4.8°C 0.27mm 0.07kPa 24135m 1.9m/s 1.7m/s
23:00
0% 3.5°C 0.003mm 92% 0cm -5.1° 4.7°C 0.29mm 0.07kPa 24135m 1.9m/s 1.7m/s
Thu, Jun 11 Sunrise 05:25 Sunset 22:18
24:00
0% 3.5°C 0mm 93% 0cm -9.9° 4.6°C 0.31mm 0.06kPa 24135m 1.8m/s 1.6m/s
01:00
3% 3.5°C 0mm 89% 0cm -13° 5.2°C 0.21mm 0.1kPa 24135m 1.8m/s 1.6m/s
02:00
5% 3.5°C 0mm 85% 0cm -14° 5.8°C 0.1mm 0.13kPa 24135m 1.8m/s 1.5m/s
03:00
8% 3.5°C 0mm 82% 0cm -12° 6.3°C 0mm 0.17kPa 24135m 1.8m/s 1.5m/s
04:00
8% 3.6°C 0mm 74% 0cm -8.7° 8°C 0.04mm 0.28kPa 24135m 2m/s 1.6m/s
05:00
7% 3.6°C 0mm 66% 0cm -3.4° 9.7°C 0.08mm 0.41kPa 24135m 2.2m/s 1.7m/s
06:00
7% 3.3°C 0mm 58% 0cm 3.5° 11°C 0.13mm 0.56kPa 24135m 2.3m/s 1.7m/s
07:00
8% 2.8°C 0mm 54% 0cm 11° 12°C 0.15mm 0.63kPa 23847m 2.5m/s 1.9m/s
08:00
10% 2.3°C 0mm 51% 0cm 20° 12°C 0.17mm 0.7kPa 23559m 2.7m/s 2.1m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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