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Rule Fog Hunter

Boone - Fog Hunter - Smoky Mountains & Blue Ridge

Boone, 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 Spread7.1°C
Visibility24135 (Clear)
Relative Humidity65%
Wind Speed2.0m/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 80 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
America/New_York
Fog Probability
≥ 75.0%
Wed, Jul 8
24:000%
01:000%
02:000%
03:0055%
04:0055%
05:0058%
06:0058%
07:0055%
08:0046%
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%
05:0053%
06:0055%
07:0053%
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%
Fri, Jul 10
24:000%
01:0029%
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%
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 06:16 Sunset 20:46
10:00
100% 17°C 0mm 65% 0cm 42° 24°C 0mm 1kPa 24135m 3.8m/s 2m/s
11:00
100% 15°C 0mm 52% 0cm 54° 26°C 0mm 1.6kPa 24135m 3.6m/s 2.3m/s
12:00
100% 14°C 0mm 45% 0cm 66° 27°C 0mm 2kPa 24135m 3.5m/s 2.4m/s
13:00
100% 14°C 0mm 41% 0cm 75° 29°C 0mm 2.3kPa 24135m 4.3m/s 2.7m/s
14:00
100% 14°C 0mm 42% 0cm 75° 28°C 0mm 2.3kPa 24134m 4m/s 2.7m/s
15:00
82% 16°C 0mm 54% 0cm 66° 26°C 0mm 1.5kPa 24134m 3.6m/s 2.6m/s
16:00
64% 17°C 0.2mm 72% 0cm 55° 23°C 0.13mm 0.77kPa 23992m 5.1m/s 2.5m/s
17:00
46% 18°C 0mm 77% 0cm 43° 22°C 0.19mm 0.6kPa 24135m 1.3m/s 0.88m/s
18:00
38% 17°C 0mm 61% 0cm 31° 25°C 0.19mm 1.2kPa 24134m 2.8m/s 1.9m/s
19:00
29% 18°C 0mm 67% 0cm 19° 25°C 0.44mm 1kPa 24134m 3.5m/s 2.6m/s
20:00
21% 19°C 0mm 91% 0cm 7.8° 20°C 0.88mm 0.22kPa 14543m 2.2m/s 2m/s
21:00
26% 18°C 0mm 92% 0cm -3° 19°C 0.56mm 0.18kPa 24135m 1.7m/s 1.7m/s
22:00
30% 17°C 0mm 91% 0cm -13° 19°C 0.56mm 0.2kPa 24135m 1.3m/s 1.4m/s
23:00
35% 17°C 0mm 90% 0cm -21° 18°C 0.56mm 0.21kPa 24134m 1.2m/s 1.2m/s
Thu, Jul 9 Sunrise 06:17 Sunset 20:46
24:00
46% 16°C 0mm 89% 0cm -28° 18°C 0.56mm 0.23kPa 24134m 1.2m/s 1.2m/s
01:00
56% 16°C 0mm 88% 0cm -31° 18°C 0.56mm 0.25kPa 24134m 1.3m/s 1.4m/s
02:00
67% 16°C 0mm 90% 0cm -31° 17°C 0.56mm 0.19kPa 24135m 1.6m/s 1.6m/s
03:00
78% 16°C 0mm 92% 0cm -28° 17°C 0mm 0.16kPa 24135m 1.6m/s 1.7m/s
04:00
88% 16°C 0mm 93% 0cm -22° 17°C 0mm 0.13kPa 24134m 2m/s 1.8m/s
05:00
99% 16°C 0mm 95% 0cm -14° 17°C 0mm 0.09kPa 24135m 2m/s 1.8m/s
06:00
99% 16°C 0mm 96% 0cm -3.8° 17°C 0mm 0.07kPa 24134m 1.9m/s 1.6m/s
07:00
100% 16°C 0mm 96% 0cm 7.1° 17°C 0mm 0.09kPa 24135m 1.8m/s 1.6m/s
08:00
100% 18°C 0mm 90% 0cm 18° 19°C 0mm 0.21kPa 24135m 3.8m/s 1.5m/s
09:00
92% 17°C 0mm 79% 0cm 30° 21°C 0mm 0.53kPa 24134m 7.4m/s 2.3m/s
10:00
84% 16°C 0mm 63% 0cm 42° 23°C 0mm 1.1kPa 24135m 7m/s 3.5m/s
11:00
76% 15°C 0mm 54% 0cm 54° 25°C 0mm 1.4kPa 24135m 7.1m/s 4.2m/s
12:00
71% 15°C 0mm 50% 0cm 66° 26°C 0mm 1.7kPa 24134m 7.3m/s 5m/s
13:00
65% 15°C 0mm 48% 0cm 74° 27°C 0mm 1.8kPa 24135m 7.6m/s 5.7m/s
14:00
60% 15°C 0mm 50% 0cm 75° 26°C 0mm 1.7kPa 24135m 8m/s 5.9m/s
15:00
41% 16°C 0mm 53% 0cm 66° 26°C 0.06mm 1.6kPa 24134m 8.2m/s 5.7m/s
16:00
21% 15°C 0mm 49% 0cm 55° 27°C 0.13mm 1.8kPa 24135m 8.4m/s 5.6m/s
17:00
2% 16°C 0mm 53% 0cm 43° 26°C 0.13mm 1.6kPa 24135m 8.4m/s 5.7m/s
18:00
2% 16°C 0mm 57% 0cm 31° 25°C 0.19mm 1.4kPa 24135m 8.2m/s 4.6m/s
19:00
2% 17°C 0mm 63% 0cm 19° 24°C 0.25mm 1.1kPa 24135m 7.2m/s 4.1m/s
20:00
2% 17°C 0mm 78% 0cm 7.8° 21°C 0.25mm 0.56kPa 24135m 4.9m/s 2m/s
21:00
15% 17°C 0mm 90% 0cm -3.1° 19°C 0mm 0.23kPa 24135m 1.7m/s 1.7m/s
22:00
29% 17°C 0mm 94% 0cm -13° 18°C 0mm 0.13kPa 24135m 2.2m/s 1.9m/s
23:00
42% 17°C 0mm 92% 0cm -21° 18°C 0mm 0.16kPa 24134m 2m/s 1.8m/s
Fri, Jul 10 Sunrise 06:18 Sunset 20:45
24:00
42% 16°C 0mm 95% 0cm -28° 17°C 0.38mm 0.1kPa 13066m 1.7m/s 1.7m/s
01:00
43% 16°C 0mm 95% 0cm -31° 17°C 0.88mm 0.09kPa 16452m 1.7m/s 1.7m/s
02:00
43% 16°C 0mm 95% 0cm -31° 17°C 1.1mm 0.1kPa 24135m 1.6m/s 1.7m/s
03:00
48% 16°C 0mm 95% 0cm -28° 17°C 0mm 0.1kPa 24134m 1.5m/s 1.5m/s
04:00
52% 16°C 0mm 95% 0cm -22° 17°C 0mm 0.1kPa 24134m 1.5m/s 1.6m/s
05:00
57% 16°C 0mm 95% 0cm -14° 17°C 0mm 0.1kPa 24135m 1.5m/s 1.5m/s
06:00
54% 16°C 0mm 95% 0cm -3.9° 16°C 0mm 0.09kPa 24134m 1.5m/s 1.6m/s
07:00
51% 16°C 0mm 94% 0cm 17°C 0mm 0.11kPa 24134m 1.5m/s 1.5m/s
08:00
48% 18°C 0mm 92% 0cm 18° 19°C 0mm 0.17kPa 24134m 6.9m/s 1.6m/s
09:00
41% 18°C 0mm 81% 0cm 30° 22°C 0mm 0.49kPa 24135m 9.8m/s 2.6m/s
10:00
35% 16°C 0mm 60% 0cm 42° 25°C 0.06mm 1.3kPa 24134m 10m/s 5.1m/s
11:00
28% 16°C 0mm 55% 0cm 54° 25°C 0.19mm 1.4kPa 24134m 11m/s 6.1m/s
12:00
22% 18°C 0mm 70% 0cm 66° 24°C 0.5mm 0.86kPa 10794m 12m/s 6.4m/s
13:00
15% 15°C 0mm 50% 0cm 74° 26°C 0.56mm 1.7kPa 24135m 10m/s 5.6m/s
14:00
9% 14°C 0mm 43% 0cm 75° 28°C 0.56mm 2.1kPa 24135m 9.7m/s 5.6m/s
15:00
7% 17°C 0.44mm 56% 0cm 66° 26°C 0.65mm 1.5kPa 17833m 10m/s 4.7m/s
16:00
4% 18°C 0.89mm 69% 0cm 55° 24°C 0.73mm 0.94kPa 11531m 11m/s 3.9m/s
17:00
2% 20°C 1.3mm 82% 0cm 43° 23°C 0.81mm 0.5kPa 5229m 11m/s 3m/s
18:00
2% 20°C 0.95mm 86% 0cm 31° 22°C 1.4mm 0.37kPa 10412m 8.2m/s 2.6m/s
19:00
1% 20°C 0.57mm 90% 0cm 19° 22°C 1.9mm 0.25kPa 15594m 5.4m/s 2.1m/s
20:00
1% 20°C 0.19mm 95% 0cm 7.7° 21°C 2.4mm 0.14kPa 20777m 2.6m/s 1.6m/s
21:00
2% 20°C 0.28mm 96% 0cm -3.2° 21°C 2mm 0.11kPa 17740m 2.6m/s 1.6m/s
22:00
4% 20°C 0.38mm 96% 0cm -13° 21°C 1.6mm 0.09kPa 14703m 2.6m/s 1.6m/s
23:00
5% 20°C 0.47mm 97% 0cm -21° 21°C 1.1mm 0.06kPa 11667m 2.5m/s 1.6m/s
Sat, Jul 11 Sunrise 06:18 Sunset 20:45
24:00
4% 20°C 0.39mm 97% 0cm -28° 21°C 1.4mm 0.08kPa 15823m 2.1m/s 1.4m/s
01:00
4% 20°C 0.3mm 96% 0cm -31° 21°C 1.7mm 0.1kPa 19979m 1.6m/s 1.3m/s
02:00
3% 20°C 0.22mm 95% 0cm -31° 21°C 1.9mm 0.12kPa 24135m 1.1m/s 1.1m/s
03:00
3% 20°C 0.15mm 85% 0cm -28° 23°C 1.3mm 0.41kPa 24135m 2.4m/s 1.5m/s
04:00
4% 20°C 0.07mm 75% 0cm -22° 25°C 0.73mm 0.78kPa 24135m 3.7m/s 1.9m/s
05:00
4% 20°C 0mm 65% 0cm -14° 27°C 0.13mm 1.2kPa 24135m 5m/s 2.4m/s
06:00
3% 20°C 0mm 66% 0cm -4° 27°C 0.29mm 1.2kPa 21906m 5.4m/s 2.5m/s
07:00
3% 20°C 0mm 66% 0cm 6.9° 27°C 0.46mm 1.2kPa 19677m 5.8m/s 2.7m/s
08:00
2% 21°C 0mm 66% 0cm 18° 28°C 0.63mm 1.2kPa 17449m 6.2m/s 2.8m/s
09:00
3% 21°C 0mm 75% 0cm 30° 26°C 2mm 0.83kPa 19677m 5.1m/s 2.3m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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