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Rule Fog Hunter

Gatlinburg - Fog Hunter - Smoky Mountains & Blue Ridge

Gatlinburg, Tennessee, 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 Spread8.1°C
Visibility24135 (Clear)
Relative Humidity61%
Wind Speed1.3m/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 79 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
America/New_York
Fog Probability
≥ 75.0%
Wed, Jul 8
01:000%
02:000%
03:000%
04:000%
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06:000%
07:000%
08:000%
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Thu, Jul 9
24:000%
01:000%
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06:000%
07:000%
08:000%
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Fri, Jul 10
24:000%
01:000%
02:000%
03:000%
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Sat, Jul 11
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
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
Wed, Jul 8 Sunrise 06:25 Sunset 20:52
10:00
100% 18°C 0mm 61% 0cm 41° 26°C 0.06mm 1.3kPa 24135m 2.5m/s 1.3m/s
11:00
100% 17°C 0mm 54% 0cm 53° 27°C 0.06mm 1.7kPa 24135m 3.4m/s 2m/s
12:00
99% 17°C 0mm 48% 0cm 65° 29°C 0.06mm 2kPa 24135m 3.6m/s 2.7m/s
13:00
98% 16°C 0mm 44% 0cm 74° 30°C 0.06mm 2.3kPa 24135m 4m/s 3.1m/s
14:00
97% 16°C 0mm 43% 0cm 76° 30°C 0.06mm 2.4kPa 24134m 4.7m/s 3.9m/s
15:00
79% 18°C 0mm 55% 0cm 68° 28°C 0.13mm 1.7kPa 21283m 4.8m/s 3.6m/s
16:00
62% 19°C 0mm 62% 0cm 57° 27°C 0.25mm 1.3kPa 21760m 3m/s 1.2m/s
17:00
44% 19°C 0mm 58% 0cm 45° 28°C 0.44mm 1.6kPa 23451m 2.9m/s 1.2m/s
18:00
47% 20°C 0mm 72% 0cm 33° 25°C 0.56mm 0.91kPa 24134m 1.5m/s 1.4m/s
19:00
51% 20°C 0mm 75% 0cm 21° 25°C 0.56mm 0.77kPa 24134m 1.4m/s 1.5m/s
20:00
54% 19°C 0mm 76% 0cm 23°C 0.56mm 0.68kPa 24135m 1.7m/s 1.9m/s
21:00
69% 18°C 0mm 81% 0cm -2° 21°C 0mm 0.49kPa 24135m 2.2m/s 2.2m/s
22:00
83% 17°C 0mm 81% 0cm -12° 21°C 0mm 0.48kPa 24135m 1.7m/s 2m/s
23:00
98% 17°C 0mm 80% 0cm -21° 20°C 0mm 0.47kPa 24134m 1.8m/s 2.1m/s
Thu, Jul 9 Sunrise 06:26 Sunset 20:52
24:00
98% 17°C 0mm 80% 0cm -27° 20°C 0mm 0.46kPa 24134m 1.8m/s 2.1m/s
01:00
99% 17°C 0mm 81% 0cm -31° 20°C 0mm 0.43kPa 24134m 1.8m/s 2.1m/s
02:00
99% 17°C 0mm 83% 0cm -32° 20°C 0mm 0.39kPa 24135m 1.7m/s 2.1m/s
03:00
97% 17°C 0mm 84% 0cm -29° 19°C 0mm 0.37kPa 24135m 1.7m/s 2m/s
04:00
96% 17°C 0mm 84% 0cm -23° 19°C 0mm 0.36kPa 24134m 1.7m/s 2.1m/s
05:00
94% 17°C 0mm 83% 0cm -15° 19°C 0mm 0.38kPa 24135m 1.7m/s 2.1m/s
06:00
92% 16°C 0mm 83% 0cm -5.3° 19°C 0mm 0.39kPa 24134m 1.7m/s 2m/s
07:00
90% 17°C 0mm 83% 0cm 5.5° 20°C 0mm 0.39kPa 24135m 1.6m/s 2m/s
08:00
88% 18°C 0mm 79% 0cm 17° 22°C 0mm 0.54kPa 24135m 1.9m/s 1.4m/s
09:00
82% 18°C 0.01mm 69% 0cm 29° 24°C 0.06mm 0.96kPa 20661m 3.5m/s 1.7m/s
10:00
77% 18°C 0mm 61% 0cm 41° 26°C 0.25mm 1.3kPa 23765m 5.9m/s 2.7m/s
11:00
71% 17°C 0mm 55% 0cm 53° 27°C 0.31mm 1.6kPa 24135m 6.5m/s 3.4m/s
12:00
69% 17°C 0mm 52% 0cm 65° 28°C 0.44mm 1.8kPa 20917m 6.4m/s 4m/s
13:00
66% 17°C 0mm 53% 0cm 74° 28°C 0.56mm 1.8kPa 20717m 6.5m/s 4.2m/s
14:00
64% 18°C 0mm 53% 0cm 76° 28°C 0.69mm 1.8kPa 22668m 6m/s 3.7m/s
15:00
61% 18°C 0mm 52% 0cm 68° 29°C 0.13mm 1.9kPa 20254m 6.2m/s 3.6m/s
16:00
57% 18°C 0mm 51% 0cm 57° 29°C 0.31mm 1.9kPa 21361m 6.1m/s 3.3m/s
17:00
54% 19°C 0.02mm 57% 0cm 45° 28°C 0.63mm 1.6kPa 18446m 6.2m/s 3.5m/s
18:00
44% 19°C 0mm 61% 0cm 32° 27°C 0.88mm 1.4kPa 22476m 4.9m/s 2.5m/s
19:00
34% 20°C 0mm 67% 0cm 21° 26°C 1.1mm 1.1kPa 22789m 4.2m/s 2.3m/s
20:00
24% 20°C 0mm 78% 0cm 8.9° 24°C 1.1mm 0.65kPa 23203m 2.5m/s 2m/s
21:00
25% 18°C 0mm 78% 0cm -2° 22°C 0mm 0.59kPa 24135m 2m/s 2.2m/s
22:00
25% 17°C 0mm 76% 0cm -12° 22°C 0mm 0.61kPa 24135m 2.2m/s 2.4m/s
23:00
26% 17°C 0mm 78% 0cm -21° 21°C 0mm 0.55kPa 24134m 2m/s 2.5m/s
Fri, Jul 10 Sunrise 06:26 Sunset 20:51
24:00
28% 17°C 0mm 78% 0cm -27° 21°C 0mm 0.54kPa 24135m 2.3m/s 2.6m/s
01:00
31% 17°C 0mm 78% 0cm -31° 20°C 0mm 0.52kPa 24134m 1.9m/s 2.5m/s
02:00
33% 16°C 0mm 79% 0cm -32° 20°C 0mm 0.5kPa 24135m 1.9m/s 2.4m/s
03:00
42% 16°C 0mm 78% 0cm -29° 20°C 0mm 0.53kPa 24134m 1.9m/s 2.3m/s
04:00
51% 16°C 0mm 76% 0cm -23° 20°C 0mm 0.56kPa 24134m 2.1m/s 2.4m/s
05:00
60% 16°C 0mm 78% 0cm -15° 20°C 0mm 0.51kPa 24135m 2.1m/s 2.5m/s
06:00
53% 16°C 0mm 79% 0cm -5.4° 20°C 0mm 0.49kPa 24134m 1.9m/s 2.3m/s
07:00
45% 17°C 0mm 80% 0cm 5.4° 20°C 0mm 0.47kPa 24134m 2.2m/s 2.5m/s
08:00
38% 18°C 0mm 78% 0cm 17° 22°C 0mm 0.59kPa 24134m 2.9m/s 2.1m/s
09:00
31% 18°C 0mm 64% 0cm 29° 26°C 0mm 1.2kPa 24135m 7.3m/s 2.5m/s
10:00
25% 18°C 0mm 55% 0cm 41° 27°C 0mm 1.6kPa 24134m 9.1m/s 3.8m/s
11:00
18% 17°C 0mm 53% 0cm 53° 28°C 0.13mm 1.7kPa 24134m 9m/s 4.5m/s
12:00
17% 17°C 0mm 49% 0cm 64° 29°C 0.13mm 2kPa 24135m 8.4m/s 4m/s
13:00
15% 17°C 0mm 46% 0cm 74° 29°C 0.13mm 2.2kPa 24135m 7.8m/s 4.6m/s
14:00
14% 18°C 0mm 48% 0cm 76° 30°C 0.13mm 2.2kPa 24135m 7.7m/s 4.7m/s
15:00
13% 19°C 0.03mm 64% 0cm 68° 26°C 0.52mm 1.2kPa 24135m 5.3m/s 3.2m/s
16:00
13% 19°C 0.07mm 79% 0cm 57° 23°C 0.92mm 0.58kPa 24135m 3m/s 1.6m/s
17:00
12% 18°C 0.1mm 94% 0cm 45° 19°C 1.3mm 0.13kPa 24135m 0.61m/s 0.09m/s
18:00
9% 18°C 0.11mm 95% 0cm 32° 19°C 1.8mm 0.12kPa 24135m 0.68m/s 0.21m/s
19:00
7% 18°C 0.12mm 95% 0cm 20° 18°C 2.3mm 0.1kPa 24135m 0.76m/s 0.33m/s
20:00
4% 17°C 0.13mm 96% 0cm 8.9° 18°C 2.8mm 0.09kPa 24135m 0.84m/s 0.45m/s
21:00
6% 17°C 0.16mm 95% 0cm -2.1° 18°C 2.9mm 0.1kPa 24135m 0.74m/s 0.46m/s
22:00
8% 17°C 0.2mm 95% 0cm -12° 18°C 2.9mm 0.1kPa 24135m 0.64m/s 0.47m/s
23:00
10% 17°C 0.23mm 95% 0cm -21° 18°C 2.9mm 0.1kPa 24135m 0.54m/s 0.47m/s
Sat, Jul 11 Sunrise 06:27 Sunset 20:51
24:00
7% 18°C 0.15mm 95% 0cm -28° 18°C 3mm 0.1kPa 24135m 0.76m/s 0.64m/s
01:00
5% 18°C 0.08mm 96% 0cm -31° 19°C 3.1mm 0.09kPa 24135m 0.99m/s 0.8m/s
02:00
2% 18°C 0mm 96% 0cm -32° 19°C 3.1mm 0.09kPa 24135m 1.2m/s 0.96m/s
03:00
5% 19°C 0mm 94% 0cm -29° 20°C 2.7mm 0.13kPa 18490m 2.2m/s 1.2m/s
04:00
7% 20°C 0mm 93% 0cm -23° 21°C 2.2mm 0.18kPa 12844m 3.2m/s 1.5m/s
05:00
10% 21°C 0mm 91% 0cm -15° 22°C 1.8mm 0.24kPa 7199m 4.2m/s 1.7m/s
06:00
8% 21°C 0mm 90% 0cm -5.5° 22°C 2.8mm 0.28kPa 6886m 4.2m/s 1.9m/s
07:00
7% 21°C 0mm 88% 0cm 5.3° 23°C 3.8mm 0.33kPa 6573m 4.2m/s 2m/s
08:00
5% 21°C 0mm 87% 0cm 17° 23°C 4.8mm 0.37kPa 6261m 4.1m/s 2.2m/s
09:00
6% 20°C 7.4mm 90% 0cm 29° 21°C 13mm 0.24kPa 4745m 4.2m/s 2.1m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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