Skip to content
✨ New: PhotoWeather is now available on iOS and Android
PhotoWeather
Get started
More Fog Hunter in Canadian Rockies
Create your own alerts
Rule Fog Hunter

Banff - Fog Hunter - Canadian Rockies

Banff, Alberta, Canada

Thick, moody fog for atmospheric forest and landscape shots

Currently

Real-time conditions
Fog Probability
0%
Dewpoint Spread5.5°C
Visibility24135 (Clear)
Relative Humidity67%
Wind Speed2.4m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in America/Edmonton
fog weather icon
Next opportunity
Moderate Fog
Banff
Today · 23:00–04:00 · 5h window
Low confidence
39%
🌫️Fog Probability61.4-78.4%
Dewpoint Spread: 0.5°C
Visibility: 24135 (Clear)
Relative Humidity: 96%
Wind Speed: 2.2m/s (calm conditions)
fog weather icon
Dense Fog
Banff
Tue, Apr 21 · 23:00–05:00
🌫️Fog Probability:64.7-100%
High
fog weather icon
Moderate Fog at Dawn
Banff
Wed, Apr 22 · 05:00–06:00
🌫️Fog Probability:64.7%
Low
fog weather icon
Dense Fog at Sunset
Banff
Fri, Apr 24 · 20:00–22:00
🌫️Fog Probability:60.7-100%
Medium
fog weather icon
Dense Fog
Banff
Fri, Apr 24 · 22:00–01:00
🌫️Fog Probability:100%
High
fog weather icon
Dense Fog at Sunset
Banff
Sat, Apr 25 · 21:00–22:00
🌫️Fog Probability:100%
Medium
fog weather icon
Dense Fog
Banff
Sat, Apr 25 · 22:00–01:00
🌫️Fog Probability:100%
High
+1 more windows in the next 10 days

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.

Create your own Fog Hunter alerts

Get notified when these conditions match at your own locations.

Get this template

72-hour requirements breakdown

What passed or failed, hour by hour
9matching hours in the next 95 hoursJump to next match
AND logic: all conditions required
Meets requirement
Misses requirement
Time
America/Edmonton
Fog Probability
≥ 60.0%
Fri, Apr 17
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:000%
22:000%
23:0046%
Sat, Apr 18
24:0061%
01:0080%
02:0067%
03:0061%
04:0046%
05:0046%
06:0046%
07:0046%
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%
22:0043%
23:0061%
Sun, Apr 19
24:0067%
01:0078%
02:0067%
03:0061%
04:0046%
05:0046%
06:0040%
07:0037%
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%
22:0037%
23:0037%
Mon, Apr 20
24:0043%
01:000%
02:000%
03:000%
04:0043%
05:0043%
06:0043%
07:0043%
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, Apr 21
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, Apr 18 Sunrise 06:40 Sunset 20:43
13:00
36% -4.2°C 0mm 67% 0cm 49° 1.3°C 0mm 0.22kPa 24135m 2.9m/s 2.4m/s
14:00
19% -3.8°C 0mm 65% 0cm 50° 2.1°C 0mm 0.25kPa 24134m 2.9m/s 2.4m/s
15:00
1% -3.7°C 0mm 62% 0cm 47° 2.8°C 0mm 0.28kPa 24135m 3m/s 2.5m/s
16:00
1% -3.7°C 0mm 61% 0cm 41° 3.1°C 0mm 0.3kPa 24135m 3.2m/s 2.7m/s
17:00
0% -3.9°C 0mm 61% 0cm 33° 2.9°C 0mm 0.3kPa 24134m 3.2m/s 2.7m/s
18:00 ☾
0% -4.1°C 0mm 62% 0cm 24° 2.5°C 0mm 0.28kPa 24135m 2.9m/s 2.6m/s
19:00 ☾
0% -3.6°C 0mm 68% 0cm 15° 1.8°C 0mm 0.22kPa 24135m 2.8m/s 2.4m/s
20:00 ☾
1% -3.1°C 0mm 83% 0cm 5.9° -0.59°C 0mm 0.1kPa 24134m 1.7m/s 2.1m/s
21:00 ☾
1% -5.1°C 0mm 92% 0cm -3.1° -4°C 0mm 0.03kPa 24134m 1.5m/s 1.9m/s
22:00 ☾
6% -5.5°C 0mm 94% 0cm -11° -4.7°C 0mm 0.03kPa 24135m 1.6m/s 1.9m/s
23:00 ☾
10% -5.6°C 0mm 95% 0cm -19° -5°C 0mm 0.02kPa 24134m 1.7m/s 2.1m/s
Sun, Apr 19 Sunrise 06:38 Sunset 20:45
24:00 ☾
15% -5.7°C 0mm 96% 0cm -24° -5.2°C 0mm 0.02kPa 24135m 1.7m/s 2.1m/s
01:00 ☾
37% -5.9°C 0mm 96% 0cm -27° -5.4°C 0mm 0.02kPa 24135m 1.7m/s 2.2m/s
02:00 ☾
60% -6.1°C 0mm 96% 0cm -27° -5.6°C 0mm 0.02kPa 24135m 1.8m/s 2.2m/s
03:00 ☾
82% -6.3°C 0mm 96% 0cm -25° -5.7°C 0mm 0.02kPa 24134m 1.8m/s 2.3m/s
04:00 ☾
75% -6.5°C 0mm 95% 0cm -21° -5.8°C 0mm 0.02kPa 24134m 1.9m/s 2.4m/s
05:00 ☾
69% -6.7°C 0mm 94% 0cm -14° -5.9°C 0mm 0.02kPa 24135m 1.9m/s 2.4m/s
06:00 ☾
62% -6.7°C 0mm 94% 0cm -6.3° -5.9°C 0mm 0.02kPa 24135m 2.2m/s 2.5m/s
07:00
43% -6.6°C 0mm 94% 0cm 2.7° -5.8°C 0mm 0.03kPa 24135m 2.6m/s 2.6m/s
08:00
25% -5.2°C 0mm 89% 0cm 12° -3.6°C 0mm 0.05kPa 24134m 2.9m/s 2.5m/s
09:00
6% -4.1°C 0mm 79% 0cm 21° -0.95°C 0mm 0.12kPa 24134m 3m/s 2.8m/s
10:00
4% -3.3°C 0mm 71% 0cm 30° 1.4°C 0mm 0.2kPa 24135m 3.5m/s 3m/s
11:00
3% -2.8°C 0mm 65% 0cm 38° 3.1°C 0mm 0.27kPa 24134m 3.8m/s 3.1m/s
12:00
1% -2.2°C 0mm 62% 0cm 45° 4.5°C 0mm 0.32kPa 24135m 4m/s 3.3m/s
13:00
2% -1.6°C 0mm 60% 0cm 49° 5.6°C 0mm 0.37kPa 24134m 4m/s 3.4m/s
14:00
4% -1.2°C 0mm 59% 0cm 50° 6.1°C 0mm 0.38kPa 24135m 4.1m/s 3.4m/s
15:00
5% -0.8°C 0mm 60% 0cm 47° 6.3°C 0mm 0.38kPa 24135m 4.2m/s 3.4m/s
16:00
3% -0.6°C 0mm 61% 0cm 41° 6.3°C 0mm 0.37kPa 24134m 4m/s 3.3m/s
17:00
2% -0.4°C 0mm 62% 0cm 34° 6.3°C 0mm 0.36kPa 24134m 4m/s 3.2m/s
18:00 ☾
0% 0°C 0mm 67% 0cm 25° 5.7°C 0mm 0.31kPa 24135m 3.9m/s 3m/s
19:00 ☾
0% 0.9°C 0mm 78% 0cm 15° 4.4°C 0mm 0.19kPa 24134m 3.2m/s 2.7m/s
20:00 ☾
0% 0.3°C 0mm 89% 0cm 6.2° 1.9°C 0mm 0.07kPa 24135m 2.4m/s 2.7m/s
21:00 ☾
0% -0.9°C 0mm 93% 0cm -2.9° 0.12°C 0mm 0.04kPa 24135m 2.5m/s 2.8m/s
22:00 ☾
0% -1°C 0mm 95% 0cm -11° -0.22°C 0mm 0.03kPa 24135m 2.4m/s 2.8m/s
23:00 ☾
0% -0.9°C 0mm 95% 0cm -18° -0.14°C 0mm 0.03kPa 24134m 2.6m/s 2.6m/s
Mon, Apr 20 Sunrise 06:36 Sunset 20:46
24:00 ☾
0% -1.1°C 0mm 94% 0cm -24° -0.28°C 0mm 0.04kPa 24134m 2.1m/s 2.4m/s
01:00 ☾
1% -1.4°C 0mm 93% 0cm -27° -0.35°C 0mm 0.04kPa 24135m 2m/s 2.2m/s
02:00 ☾
3% -1.6°C 0mm 92% 0cm -27° -0.45°C 0mm 0.05kPa 24135m 2.1m/s 2.3m/s
03:00 ☾
4% -2°C 0mm 93% 0cm -25° -0.94°C 0mm 0.04kPa 24134m 2.2m/s 2.4m/s
04:00 ☾
4% -2.5°C 0mm 93% 0cm -20° -1.5°C 0mm 0.04kPa 24135m 1.9m/s 2.4m/s
05:00 ☾
4% -3.1°C 0mm 94% 0cm -14° -2.3°C 0mm 0.03kPa 24134m 1.9m/s 2.3m/s
06:00 ☾
4% -3.1°C 0mm 94% 0cm -6° -2.2°C 0mm 0.03kPa 24135m 1.8m/s 2.2m/s
07:00
23% -3°C 0mm 94% 0cm 3° -2.2°C 0mm 0.03kPa 24134m 1.8m/s 2.2m/s
08:00
41% -1.6°C 0mm 88% 0cm 12° 0.21°C 0mm 0.08kPa 24135m 2.1m/s 1.9m/s
09:00
60% -0.6°C 0mm 80% 0cm 21° 2.6°C 0mm 0.15kPa 24135m 2.5m/s 2.2m/s
10:00
64% 0.1°C 0mm 72% 0cm 31° 4.7°C 0mm 0.24kPa 24135m 2.9m/s 2.5m/s
11:00
67% 0.6°C 0mm 67% 0cm 39° 6.3°C 0mm 0.32kPa 24135m 3.3m/s 2.7m/s
12:00
71% 1.2°C 0mm 64% 0cm 46° 7.6°C 0mm 0.38kPa 24134m 3.6m/s 2.8m/s
13:00
77% 1.4°C 0mm 61% 0cm 50° 8.5°C 0mm 0.44kPa 24134m 4.2m/s 2.8m/s
14:00
84% 1.2°C 0mm 57% 0cm 50° 9.2°C 0mm 0.5kPa 24134m 5m/s 2.9m/s
15:00
90% 1°C 0mm 55% 0cm 47° 9.5°C 0mm 0.53kPa 24134m 5.7m/s 3m/s
16:00
86% 0.9°C 0mm 54% 0cm 42° 9.7°C 0mm 0.55kPa 24135m 6.1m/s 2.9m/s
17:00
82% 1°C 0mm 55% 0cm 34° 9.6°C 0mm 0.54kPa 24134m 6.6m/s 3m/s
18:00 ☾
78% 1.6°C 0mm 59% 0cm 25° 9°C 0mm 0.47kPa 24135m 5.8m/s 2.8m/s
19:00 ☾
61% 1.1°C 0mm 69% 0cm 16° 6.5°C 0mm 0.3kPa 24135m 4.6m/s 2.8m/s
20:00 ☾
43% 0.4°C 0mm 78% 0cm 6.4° 3.9°C 0mm 0.18kPa 24135m 3.4m/s 2.8m/s
21:00 ☾
26% -0.6°C 0mm 87% 0cm -2.6° 1.3°C 0mm 0.09kPa 24135m 2.1m/s 2.8m/s
22:00 ☾
19% -0.6°C 0mm 88% 0cm -11° 1.1°C 0mm 0.08kPa 24135m 2.2m/s 2.8m/s
23:00 ☾
12% -0.7°C 0mm 89% 0cm -18° 0.94°C 0mm 0.07kPa 24135m 2.2m/s 2.8m/s
Tue, Apr 21 Sunrise 06:34 Sunset 20:48
24:00 ☾
5% -0.7°C 0mm 90% 0cm -23° 0.76°C 0mm 0.07kPa 24135m 2.2m/s 2.9m/s
01:00 ☾
13% 0.1°C 0mm 86% 0cm -26° 2.2°C 0mm 0.1kPa 24135m 2.3m/s 2.6m/s
02:00 ☾
21% 0.8°C 0mm 81% 0cm -27° 3.7°C 0mm 0.15kPa 24135m 2.3m/s 2.3m/s
03:00 ☾
29% 1.5°C 0mm 77% 0cm -25° 5.2°C 0mm 0.2kPa 24135m 2.3m/s 2.1m/s
04:00 ☾
29% 1.5°C 0mm 69% 0cm -20° 6.7°C 0mm 0.3kPa 24135m 3m/s 2m/s
05:00 ☾
28% 1.3°C 0mm 62% 0cm -14° 8.2°C 0mm 0.41kPa 24135m 3.7m/s 1.9m/s
06:00 ☾
28% 0.9°C 0mm 54% 0cm -5.7° 9.6°C 0mm 0.55kPa 24135m 4.3m/s 1.8m/s
07:00
24% 0.7°C 0mm 52% 0cm 3.2° 10°C 0mm 0.59kPa 24135m 5m/s 2m/s
08:00
20% 0.4°C 0mm 50% 0cm 12° 10°C 0mm 0.64kPa 24135m 5.7m/s 2.2m/s
09:00
16% 0.1°C 0mm 47% 0cm 22° 11°C 0mm 0.69kPa 24135m 6.3m/s 2.4m/s
10:00
14% 0.3°C 0mm 49% 0cm 31° 11°C 0.02mm 0.66kPa 24135m 5.9m/s 2.2m/s
11:00
12% 0.5°C 0mm 50% 0cm 39° 11°C 0.04mm 0.64kPa 24135m 5.6m/s 2.1m/s
12:00
10% 0.7°C 0mm 51% 0cm 46° 10°C 0.06mm 0.61kPa 24135m 5.2m/s 1.9m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

Get Notified of Opportunities

Create your own custom alerts for this location and more.

Create Free Account