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Rule Fog Hunter

Maggie Valley - Fog Hunter - Smoky Mountains & Blue Ridge

Maggie Valley, North Carolina, United States

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 Spread4.9°C
Visibility24134 (Clear)
Relative Humidity72%
Wind Speed0.5m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in America/New_York

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 namesake "smoke" that gives the Great Smoky Mountains their name—the natural fog and mist that creates atmospheric conditions found nowhere else in the eastern United States. We combine humidity, temperature, and topography to predict when valleys will fill with fog while ridgelines glow above.

The Smokies generate their own weather. Dense forests release moisture through transpiration, creating the persistent haze that appears as blue smoke from a distance. Add morning temperature inversions, and valleys like Cades Cove become fog-filled bowls with mountain ridges emerging from the mist. This phenomenon occurs year-round but peaks during autumn when humidity remains high and temperatures drop.

What makes Smoky Mountains fog photography exceptional:

  • Natural smoke effect - Forest transpiration creates the blue haze that's visible even on clear days, intensifying during foggy conditions
  • Cades Cove mornings - Historic valley becomes a sea of fog with churches and barns emerging as islands
  • Blue Ridge Parkway inversions - High-elevation overlooks look down on clouds filling valleys below
  • Appalachian character - Fog transforms familiar mountain landscapes into ancient, primeval scenes

Best fog occurs on clear, calm nights followed by sunny mornings, typically September through November. Arrive at Cades Cove before dawn to catch fog at its thickest. Blue Ridge Parkway overlooks like Clingmans Dome and Waterrock Knob offer views above the clouds. The fog typically burns off by mid-morning, so timing is critical.

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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/New_York
Fog Probability
≥ 75.0%
Thu, May 14
21:000%
22:000%
23:000%
Fri, May 15
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
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09:000%
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19:000%
20:000%
21:000%
22:000%
23:000%
Sat, May 16
24:000%
01:000%
02:000%
03:000%
04:000%
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06:000%
07:000%
08:000%
09:000%
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21:000%
22:000%
23:000%
Sun, May 17
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
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Mon, May 18
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
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19:000%
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/New_York
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
Fri, May 15 Sunrise 06:27 Sunset 20:30
22:00
71% 5.1°C 0mm 72% 0cm -16° 10°C 0mm 0.35kPa 24134m 0.61m/s 0.46m/s
23:00
57% 4.7°C 0mm 69% 0cm -25° 10°C 0mm 0.38kPa 24134m 1.3m/s 1.4m/s
Sat, May 16 Sunrise 06:27 Sunset 20:30
24:00
57% 3.9°C 0mm 64% 0cm -31° 10°C 0mm 0.44kPa 24135m 1.7m/s 1.8m/s
01:00
58% 3.1°C 0mm 60% 0cm -35° 11°C 0mm 0.5kPa 24134m 1.7m/s 1.8m/s
02:00
58% 2.6°C 0mm 57% 0cm -35° 11°C 0mm 0.55kPa 24135m 1.7m/s 1.9m/s
03:00
58% 2.4°C 0mm 57% 0cm -31° 11°C 0mm 0.55kPa 24135m 1.9m/s 2.1m/s
04:00
58% 2.1°C 0mm 56% 0cm -25° 11°C 0mm 0.56kPa 24135m 1.6m/s 1.8m/s
05:00
58% 2.1°C 0mm 58% 0cm -16° 10°C 0mm 0.52kPa 24134m 2.6m/s 2.4m/s
06:00
53% 2.1°C 0mm 59% 0cm -5.7° 9.7°C 0mm 0.49kPa 24135m 1.7m/s 1.9m/s
07:00
47% 2.6°C 0mm 58% 0cm 5.6° 11°C 0mm 0.53kPa 24135m 2.3m/s 2.2m/s
08:00
42% 4.8°C 0mm 57% 0cm 17° 13°C 0mm 0.66kPa 24135m 2.5m/s 1.7m/s
09:00
36% 4.7°C 0mm 44% 0cm 29° 17°C 0mm 1.1kPa 24134m 2.7m/s 1.8m/s
10:00
31% 5.3°C 0mm 39% 0cm 41° 20°C 0mm 1.4kPa 24135m 2.6m/s 1.7m/s
11:00
25% 6.2°C 0mm 35% 0cm 53° 22°C 0mm 1.8kPa 24134m 2.7m/s 1.8m/s
12:00
22% 6.8°C 0mm 33% 0cm 65° 24°C 0mm 2kPa 24134m 2.9m/s 2.1m/s
13:00
19% 7.1°C 0mm 32% 0cm 73° 25°C 0mm 2.1kPa 24134m 2.4m/s 1.9m/s
14:00
16% 7.4°C 0mm 31% 0cm 72° 26°C 0mm 2.3kPa 24135m 2.2m/s 2.1m/s
15:00
14% 7.2°C 0mm 31% 0cm 64° 26°C 0mm 2.3kPa 24134m 2.5m/s 2.4m/s
16:00
11% 7.4°C 0mm 32% 0cm 53° 26°C 0mm 2.2kPa 24134m 2.3m/s 2.4m/s
17:00
9% 7.5°C 0mm 32% 0cm 41° 25°C 0mm 2.2kPa 24135m 2.5m/s 2m/s
18:00
7% 8.1°C 0mm 35% 0cm 29° 25°C 0mm 2kPa 24134m 2.6m/s 1.8m/s
19:00
6% 13°C 0mm 57% 0cm 17° 21°C 0mm 1.1kPa 24135m 2.4m/s 0.76m/s
20:00
4% 12°C 0mm 70% 0cm 5.2° 17°C 0mm 0.59kPa 24135m 1.8m/s 1.5m/s
21:00
3% 10°C 0mm 71% 0cm -6° 15°C 0mm 0.51kPa 24135m 2.6m/s 2.5m/s
22:00
1% 8.7°C 0mm 68% 0cm -16° 15°C 0mm 0.53kPa 24135m 2.9m/s 2.4m/s
23:00
0% 7.9°C 0mm 65% 0cm -25° 14°C 0mm 0.57kPa 24135m 2.9m/s 2.3m/s
Sun, May 17 Sunrise 06:26 Sunset 20:31
24:00
0% 7.6°C 0mm 65% 0cm -31° 14°C 0mm 0.57kPa 24135m 3.1m/s 2.5m/s
01:00
0% 7.7°C 0mm 64% 0cm -35° 14°C 0mm 0.59kPa 24135m 3.1m/s 2.4m/s
02:00
0% 7.9°C 0mm 64% 0cm -35° 15°C 0mm 0.6kPa 24134m 3.2m/s 2.2m/s
03:00
0% 8.2°C 0mm 67% 0cm -31° 14°C 0mm 0.53kPa 24134m 2.4m/s 2m/s
04:00
0% 8.5°C 0mm 72% 0cm -24° 13°C 0mm 0.43kPa 24134m 1.9m/s 2m/s
05:00
0% 8.6°C 0mm 73% 0cm -16° 13°C 0mm 0.42kPa 24135m 1.7m/s 1.9m/s
06:00
0% 8.9°C 0mm 77% 0cm -5.5° 13°C 0mm 0.35kPa 24134m 1.7m/s 1.8m/s
07:00
1% 9.4°C 0mm 79% 0cm 5.7° 13°C 0mm 0.31kPa 24134m 1.8m/s 1.9m/s
08:00
1% 11°C 0mm 72% 0cm 17° 16°C 0mm 0.5kPa 24134m 2.3m/s 1.5m/s
09:00
9% 11°C 0mm 59% 0cm 29° 19°C 0mm 0.91kPa 24135m 2.1m/s 1.4m/s
10:00
17% 11°C 0mm 50% 0cm 42° 22°C 0mm 1.3kPa 24135m 1.7m/s 1.4m/s
11:00
25% 11°C 0mm 47% 0cm 54° 23°C 0mm 1.5kPa 24134m 2.1m/s 1.3m/s
12:00
20% 11°C 0mm 43% 0cm 65° 24°C 0mm 1.7kPa 24134m 2.5m/s 1.6m/s
13:00
15% 11°C 0mm 40% 0cm 73° 26°C 0mm 2kPa 24135m 2.9m/s 1.8m/s
14:00
10% 10°C 0mm 36% 0cm 73° 26°C 0mm 2.2kPa 24135m 3.4m/s 2.2m/s
15:00
13% 9.7°C 0mm 34% 0cm 64° 27°C 0mm 2.3kPa 24135m 3m/s 2m/s
16:00
17% 11°C 0mm 40% 0cm 53° 26°C 0mm 2kPa 24134m 2.2m/s 1.8m/s
17:00
20% 14°C 0mm 58% 0cm 41° 22°C 0mm 1.1kPa 24135m 2.4m/s 1.6m/s
18:00
21% 12°C 0mm 48% 0cm 29° 24°C 0mm 1.6kPa 24134m 2.5m/s 1.7m/s
19:00
21% 14°C 0mm 59% 0cm 17° 23°C 0.13mm 1.1kPa 21938m 2.7m/s 1.7m/s
20:00
22% 15°C 0mm 81% 0cm 5.3° 18°C 1mm 0.4kPa 14496m 1.6m/s 1.3m/s
21:00
33% 14°C 0mm 92% 0cm -5.9° 15°C 0.81mm 0.14kPa 24134m 2.3m/s 2.2m/s
22:00
43% 14°C 0mm 94% 0cm -16° 14°C 0.81mm 0.09kPa 24134m 2.8m/s 2.3m/s
23:00
54% 12°C 0mm 91% 0cm -25° 14°C 0.81mm 0.14kPa 24134m 1.8m/s 2m/s
Mon, May 18 Sunrise 06:25 Sunset 20:32
24:00
57% 12°C 0mm 89% 0cm -31° 13°C 0.88mm 0.16kPa 22744m 2.1m/s 2.3m/s
01:00
60% 11°C 0mm 88% 0cm -34° 13°C 0.88mm 0.17kPa 24135m 2.5m/s 2.2m/s
02:00
63% 12°C 0mm 87% 0cm -34° 14°C 0.88mm 0.2kPa 24135m 1.6m/s 1.6m/s
03:00
70% 13°C 0mm 76% 0cm -31° 17°C 0.65mm 0.46kPa 24135m 2.5m/s 1.7m/s
04:00
78% 13°C 0mm 64% 0cm -24° 20°C 0.42mm 0.84kPa 24135m 3.3m/s 1.8m/s
05:00
85% 13°C 0mm 53% 0cm -16° 23°C 0.19mm 1.4kPa 24135m 4.2m/s 1.9m/s
06:00
86% 13°C 0mm 48% 0cm -5.4° 24°C 0.23mm 1.6kPa 24135m 4.3m/s 2.3m/s
07:00
88% 12°C 0mm 44% 0cm 5.8° 25°C 0.27mm 1.8kPa 24135m 4.3m/s 2.7m/s
08:00
89% 11°C 0mm 39% 0cm 17° 26°C 0.31mm 2.1kPa 24135m 4.4m/s 3.1m/s
09:00
87% 11°C 0mm 39% 0cm 30° 26°C 0.21mm 2.1kPa 24135m 4.3m/s 3.3m/s
10:00
84% 11°C 0mm 38% 0cm 42° 26°C 0.1mm 2.1kPa 24135m 4.2m/s 3.5m/s
11:00
82% 10°C 0mm 37% 0cm 54° 26°C 0mm 2.1kPa 24135m 4.2m/s 3.7m/s
12:00
80% 12°C 0mm 48% 0cm 65° 24°C 0mm 1.5kPa 24135m 4.1m/s 3.3m/s
13:00
78% 13°C 0mm 58% 0cm 73° 22°C 0mm 1.1kPa 24135m 4m/s 2.8m/s
14:00
76% 14°C 0mm 69% 0cm 73° 19°C 0mm 0.7kPa 24135m 4m/s 2.4m/s
15:00
72% 13°C 0mm 71% 0cm 64° 18°C 0mm 0.6kPa 24135m 3.2m/s 2.1m/s
16:00
68% 12°C 0mm 74% 0cm 53° 17°C 0mm 0.51kPa 24135m 2.5m/s 1.9m/s
17:00
64% 12°C 0mm 76% 0cm 41° 16°C 0mm 0.42kPa 24135m 1.7m/s 1.7m/s
18:00
64% 11°C 0mm 75% 0cm 29° 15°C 0mm 0.44kPa 24135m 1.7m/s 1.8m/s
19:00
63% 11°C 0mm 74% 0cm 17° 15°C 0mm 0.45kPa 24135m 1.8m/s 1.8m/s
20:00
63% 9.8°C 0mm 72% 0cm 5.5° 15°C 0mm 0.46kPa 24135m 1.8m/s 1.9m/s
21:00
67% 9.6°C 0mm 73% 0cm -5.7° 14°C 0mm 0.43kPa 24135m 1.9m/s 2m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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