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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 Spread3.7°C
Visibility24134 (Clear)
Relative Humidity78%
Wind Speed0.9m/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%
Tue, Jul 7
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 8
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, Jul 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%
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15:000%
16:000%
17:000%
18:000%
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22:000%
23:000%
Fri, Jul 10
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
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22:000%
23:000%
Sat, Jul 11
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
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
Wed, Jul 8 Sunrise 05:35 Sunset 22:17
07:00
2% 7.3°C 0mm 78% 0cm 9.8° 11°C 0mm 0.28kPa 24134m 0.81m/s 0.89m/s
08:00
3% 8.2°C 0mm 76% 0cm 18° 12°C 0.38mm 0.34kPa 23805m 1.2m/s 0.83m/s
09:00
5% 8.3°C 0.03mm 71% 0cm 27° 13°C 0.81mm 0.44kPa 5531m 1.5m/s 1.1m/s
10:00
4% 8.8°C 0.03mm 78% 0cm 36° 12°C 2.1mm 0.31kPa 6364m 3.8m/s 3.2m/s
11:00
4% 8.6°C 0mm 69% 0cm 45° 14°C 3.1mm 0.51kPa 6231m 1m/s 2.1m/s
12:00
3% 7.3°C 0mm 57% 0cm 52° 16°C 3.9mm 0.78kPa 7329m 4.7m/s 1.3m/s
13:00
14% 5.6°C 0mm 47% 0cm 57° 17°C 0.44mm 1kPa 23520m 4.8m/s 0.45m/s
14:00
25% 1.7°C 0mm 31% 0cm 59° 19°C 0.5mm 1.5kPa 24134m 7.5m/s 3.2m/s
15:00
36% 0.5°C 0mm 28% 0cm 57° 19°C 0.5mm 1.6kPa 24135m 9.2m/s 6.4m/s
16:00
29% 0.1°C 0mm 27% 0cm 51° 20°C 0.5mm 1.6kPa 24134m 9.1m/s 7.2m/s
17:00
23% -0.4°C 0mm 26% 0cm 44° 20°C 0.5mm 1.7kPa 24134m 9.8m/s 7.8m/s
18:00
16% -0.3°C 0mm 28% 0cm 35° 19°C 0.5mm 1.6kPa 24135m 8.5m/s 7.8m/s
19:00
14% 0.9°C 0mm 33% 0cm 26° 17°C 0mm 1.3kPa 24135m 8.7m/s 7.4m/s
20:00
13% 0.7°C 0mm 36% 0cm 17° 16°C 0mm 1.1kPa 24135m 9.8m/s 5.7m/s
21:00
11% 1.1°C 0mm 39% 0cm 15°C 0mm 1kPa 24134m 9.7m/s 3.9m/s
22:00
8% 1.9°C 0mm 52% 0cm 1.6° 11°C 0mm 0.63kPa 24134m 0.62m/s 0.49m/s
23:00
4% 3.1°C 0mm 64% 0cm -5.2° 9.7°C 0mm 0.44kPa 24134m 0.7m/s 0.59m/s
Thu, Jul 9 Sunrise 05:36 Sunset 22:16
24:00
1% 4.6°C 0mm 78% 0cm -10° 8.4°C 0mm 0.25kPa 24135m 1.5m/s 1.6m/s
01:00
1% 5.6°C 0mm 88% 0cm -13° 7.5°C 0mm 0.13kPa 24135m 1.4m/s 1.5m/s
02:00
0% 6.1°C 0mm 91% 0cm -14° 7.4°C 0mm 0.09kPa 24134m 0.72m/s 0.69m/s
03:00
0% 6°C 0mm 91% 0cm -13° 7.5°C 0mm 0.1kPa 24135m 0.5m/s 0.63m/s
04:00
0% 5.3°C 0mm 87% 0cm -9.9° 7.3°C 0mm 0.13kPa 24134m 0.9m/s 1m/s
05:00
0% 4.2°C 0mm 80% 0cm -4.7° 7.5°C 0mm 0.21kPa 24135m 0.94m/s 1.1m/s
06:00
0% 3.8°C 0mm 81% 0cm 2.2° 6.9°C 0mm 0.19kPa 24135m 1.2m/s 1.4m/s
07:00
0% 4.5°C 0mm 76% 0cm 9.7° 8.5°C 0mm 0.27kPa 24134m 1m/s 0.96m/s
08:00
1% 4.5°C 0mm 67% 0cm 18° 10°C 0mm 0.42kPa 24135m 0.92m/s 0.66m/s
09:00
1% 4.7°C 0mm 56% 0cm 27° 13°C 0mm 0.66kPa 24135m 2.5m/s 0.67m/s
10:00
1% 3.9°C 0mm 47% 0cm 36° 15°C 0mm 0.93kPa 24134m 3.9m/s 0.4m/s
11:00
2% 2.6°C 0mm 38% 0cm 44° 17°C 0mm 1.2kPa 24135m 5m/s 0.78m/s
12:00
2% 1.5°C 0mm 37% 0cm 52° 16°C 0mm 1.2kPa 24135m 6.4m/s 1.8m/s
13:00
7% 1.4°C 0mm 37% 0cm 57° 16°C 0mm 1.1kPa 24134m 7.9m/s 3.2m/s
14:00
11% 0.5°C 0mm 30% 0cm 59° 18°C 0mm 1.4kPa 24135m 8.3m/s 3.2m/s
15:00
16% -0.1°C 0mm 28% 0cm 57° 19°C 0mm 1.6kPa 24135m 7.8m/s 3.3m/s
16:00
15% -0.4°C 0mm 27% 0cm 51° 19°C 0mm 1.6kPa 24135m 8.1m/s 4.8m/s
17:00
15% -0.7°C 0mm 27% 0cm 44° 18°C 0mm 1.5kPa 24135m 6.6m/s 4.4m/s
18:00
14% -0.4°C 0mm 28% 0cm 35° 19°C 0mm 1.6kPa 24135m 5.4m/s 3.4m/s
19:00
16% 0.5°C 0mm 31% 0cm 26° 18°C 0mm 1.4kPa 24135m 5.4m/s 4.1m/s
20:00
18% 2.2°C 0mm 37% 0cm 17° 17°C 0mm 1.2kPa 24135m 5m/s 3.1m/s
21:00
20% 3.8°C 0mm 48% 0cm 8.9° 15°C 0mm 0.88kPa 24134m 4.1m/s 0.92m/s
22:00
19% 3.5°C 0mm 60% 0cm 1.5° 11°C 0mm 0.53kPa 24135m 0.5m/s 0.33m/s
23:00
17% 3.1°C 0mm 67% 0cm -5.3° 8.9°C 0mm 0.37kPa 24134m 0.53m/s 0.6m/s
Fri, Jul 10 Sunrise 05:38 Sunset 22:15
24:00
16% 3°C 0mm 71% 0cm -10° 7.9°C 0mm 0.3kPa 24135m 0.93m/s 0.99m/s
01:00
13% 2.8°C 0mm 74% 0cm -14° 7.1°C 0mm 0.26kPa 24134m 0.23m/s 0.25m/s
02:00
11% 2.7°C 0mm 76% 0cm -15° 6.8°C 0mm 0.24kPa 24134m 0.81m/s 0.95m/s
03:00
8% 2.5°C 0mm 75% 0cm -13° 6.6°C 0mm 0.24kPa 24135m 1.2m/s 1.3m/s
04:00
7% 2.4°C 0mm 76% 0cm -10° 6.3°C 0mm 0.22kPa 24134m 1.3m/s 1.4m/s
05:00
5% 2.8°C 0mm 80% 0cm -4.8° 6°C 0mm 0.18kPa 24134m 1.3m/s 1.6m/s
06:00
4% 3.1°C 0mm 81% 0cm 2.1° 6.1°C 0mm 0.18kPa 24134m 1.3m/s 1.5m/s
07:00
13% 3.9°C 0mm 75% 0cm 9.6° 8°C 0mm 0.27kPa 24135m 1.4m/s 1.4m/s
08:00
21% 4.3°C 0mm 64% 0cm 18° 11°C 0mm 0.46kPa 24134m 2m/s 1.4m/s
09:00
30% 4.8°C 0mm 57% 0cm 27° 13°C 0mm 0.65kPa 24134m 2.1m/s 1.3m/s
10:00
26% 4.7°C 0mm 48% 0cm 36° 16°C 0mm 0.91kPa 24135m 2.5m/s 1.5m/s
11:00
22% 4.3°C 0mm 41% 0cm 44° 18°C 0mm 1.2kPa 24135m 2.9m/s 1.5m/s
12:00
18% 3°C 0mm 34% 0cm 52° 19°C 0mm 1.4kPa 24135m 5.6m/s 1.9m/s
13:00
19% 3.6°C 0mm 40% 0cm 57° 18°C 0.02mm 1.2kPa 24135m 5m/s 2.2m/s
14:00
19% 4°C 0mm 45% 0cm 59° 16°C 0.04mm 1kPa 24135m 4.5m/s 2.6m/s
15:00
20% 4.2°C 0mm 50% 0cm 57° 15°C 0.06mm 0.84kPa 24135m 3.9m/s 3m/s
16:00
19% 4.6°C 0mm 58% 0cm 51° 13°C 0.08mm 0.61kPa 24135m 3.1m/s 2.5m/s
17:00
17% 4.6°C 0mm 67% 0cm 44° 11°C 0.1mm 0.42kPa 24135m 2.3m/s 2m/s
18:00
16% 4.4°C 0mm 75% 0cm 35° 8.5°C 0.13mm 0.27kPa 24135m 1.5m/s 1.6m/s
19:00
19% 4.4°C 0mm 79% 0cm 26° 7.8°C 0.08mm 0.22kPa 24135m 1.4m/s 1.4m/s
20:00
23% 4.5°C 0mm 83% 0cm 17° 7.2°C 0.04mm 0.18kPa 24135m 1.2m/s 1.2m/s
21:00
26% 4.5°C 0mm 86% 0cm 8.8° 6.6°C 0mm 0.13kPa 24135m 1m/s 1.1m/s
22:00
28% 4.2°C 0mm 87% 0cm 1.4° 6.3°C 0mm 0.13kPa 24135m 1.2m/s 1.2m/s
23:00
31% 4°C 0mm 87% 0cm -5.4° 6°C 0mm 0.12kPa 24135m 1.3m/s 1.3m/s
Sat, Jul 11 Sunrise 05:39 Sunset 22:14
24:00
33% 3.8°C 0mm 87% 0cm -10° 5.7°C 0mm 0.12kPa 24135m 1.4m/s 1.4m/s
01:00
47% 4.3°C 0.01mm 77% 0cm -14° 8.1°C 0mm 0.25kPa 24135m 1.6m/s 1.4m/s
02:00
61% 4.5°C 0.03mm 66% 0cm -15° 10°C 0mm 0.42kPa 24135m 1.8m/s 1.4m/s
03:00
75% 4.3°C 0.04mm 56% 0cm -13° 13°C 0mm 0.65kPa 24135m 1.9m/s 1.3m/s
04:00
70% 3.8°C 0.03mm 48% 0cm -10° 15°C 0.02mm 0.87kPa 24135m 5m/s 2m/s
05:00
66% 2.8°C 0.01mm 40% 0cm -4.9° 17°C 0.04mm 1.1kPa 24135m 8m/s 2.7m/s
06:00
61% 1.3°C 0mm 32% 0cm 18°C 0.06mm 1.4kPa 24135m 11m/s 3.4m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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