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Rule Fog Hunter

Blowing Rock - Fog Hunter - Smoky Mountains & Blue Ridge

Blowing Rock, 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 · ≥ 60.0%

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 Spread14.5°C
Visibility24135 (Clear)
Relative Humidity40%
Wind Speed4.0m/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 95 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
America/New_York
Fog Probability
≥ 60.0%
Mon, Apr 13
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:000%
22:000%
23:000%
Tue, Apr 14
24:000%
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Wed, Apr 15
24:000%
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Thu, Apr 16
24:000%
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Fri, Apr 17
24:000%
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13:000%
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
Tue, Apr 14 Sunrise 06:54 Sunset 19:59
15:00
35% 9°C 0mm 40% 0cm 56° 24°C 0mm 1.7kPa 24135m 5.4m/s 4m/s
16:00
31% 9.9°C 0mm 44% 0cm 46° 23°C 0mm 1.6kPa 24134m 5.1m/s 4m/s
17:00
28% 11°C 0mm 47% 0cm 35° 22°C 0mm 1.4kPa 24134m 5m/s 3.8m/s
18:00
25% 11°C 0mm 52% 0cm 23° 21°C 0mm 1.2kPa 24134m 4.5m/s 3.7m/s
19:00
22% 12°C 0mm 63% 0cm 11° 20°C 0mm 0.84kPa 24135m 4.9m/s 2.8m/s
20:00
19% 12°C 0mm 80% 0cm -0.51° 15°C 0mm 0.35kPa 24135m 1.5m/s 1.6m/s
21:00
45% 12°C 0mm 86% 0cm -12° 14°C 0mm 0.23kPa 24134m 1.2m/s 1.3m/s
22:00
71% 12°C 0mm 87% 0cm -23° 14°C 0mm 0.21kPa 24134m 1m/s 1.1m/s
23:00
97% 11°C 0mm 86% 0cm -33° 14°C 0mm 0.22kPa 24134m 1m/s 1m/s
Wed, Apr 15 Sunrise 06:53 Sunset 20:00
24:00
88% 11°C 0mm 82% 0cm -40° 13°C 0mm 0.27kPa 24134m 1.3m/s 1.3m/s
01:00
78% 9.8°C 0mm 79% 0cm -44° 13°C 0mm 0.33kPa 24134m 1.6m/s 1.6m/s
02:00
69% 9°C 0mm 75% 0cm -43° 13°C 0mm 0.38kPa 24134m 1.6m/s 1.7m/s
03:00
51% 8.6°C 0mm 73% 0cm -39° 13°C 0mm 0.41kPa 24135m 1.6m/s 1.7m/s
04:00
34% 8.6°C 0mm 75% 0cm -32° 13°C 0mm 0.37kPa 24135m 1.6m/s 1.8m/s
05:00
16% 8.6°C 0mm 77% 0cm -22° 12°C 0mm 0.33kPa 24135m 1.4m/s 1.6m/s
06:00
16% 8.2°C 0mm 77% 0cm -11° 12°C 0mm 0.33kPa 24135m 1.4m/s 1.5m/s
07:00
17% 7.7°C 0mm 76% 0cm 0.9° 12°C 0mm 0.32kPa 24134m 1.4m/s 1.5m/s
08:00
17% 8°C 0mm 68% 0cm 13° 14°C 0mm 0.5kPa 24134m 1.8m/s 1.6m/s
09:00
18% 7°C 0mm 51% 0cm 25° 17°C 0mm 0.96kPa 24134m 2.8m/s 1.4m/s
10:00
18% 5°C 0mm 38% 0cm 37° 20°C 0mm 1.4kPa 24134m 4.2m/s 2m/s
11:00
19% 4.8°C 0mm 34% 0cm 48° 21°C 0mm 1.7kPa 24135m 4.2m/s 2.7m/s
12:00
18% 5°C 0mm 32% 0cm 57° 23°C 0mm 1.9kPa 24134m 3.8m/s 2.8m/s
13:00
16% 5.6°C 0mm 31% 0cm 63° 24°C 0mm 2kPa 24134m 3.9m/s 2.9m/s
14:00
15% 6.2°C 0mm 31% 0cm 63° 25°C 0mm 2.1kPa 24134m 4.1m/s 2.9m/s
15:00
13% 6.8°C 0mm 30% 0cm 56° 26°C 0mm 2.3kPa 24135m 3.9m/s 2.2m/s
16:00
12% 7.2°C 0mm 31% 0cm 47° 26°C 0mm 2.3kPa 24134m 3.7m/s 1.7m/s
17:00
10% 8°C 0mm 35% 0cm 35° 24°C 0mm 2kPa 24135m 2.7m/s 1.8m/s
18:00
7% 8.8°C 0mm 39% 0cm 23° 23°C 0mm 1.8kPa 24135m 2m/s 0.98m/s
19:00
5% 11°C 0mm 56% 0cm 11° 21°C 0mm 1.1kPa 24135m 2.1m/s 1.7m/s
20:00
2% 11°C 0mm 69% 0cm -0.26° 16°C 0mm 0.56kPa 24135m 1.4m/s 1.5m/s
21:00
2% 10°C 0mm 73% 0cm -12° 15°C 0mm 0.45kPa 24134m 1.2m/s 1.4m/s
22:00
3% 10°C 0mm 77% 0cm -23° 14°C 0mm 0.38kPa 24134m 1.2m/s 1.3m/s
23:00
3% 10°C 0mm 78% 0cm -32° 14°C 0mm 0.35kPa 24135m 1.5m/s 1.6m/s
Thu, Apr 16 Sunrise 06:52 Sunset 20:01
24:00
2% 10°C 0mm 80% 0cm -39° 14°C 0mm 0.32kPa 24135m 1.3m/s 1.4m/s
01:00
2% 10°C 0mm 79% 0cm -43° 14°C 0mm 0.32kPa 24135m 1.3m/s 1.5m/s
02:00
1% 10°C 0mm 79% 0cm -43° 14°C 0mm 0.32kPa 24135m 1.2m/s 1.4m/s
03:00
2% 9.9°C 0mm 81% 0cm -39° 13°C 0mm 0.29kPa 24135m 1.3m/s 1.5m/s
04:00
3% 9.7°C 0mm 80% 0cm -31° 13°C 0mm 0.29kPa 24134m 1.6m/s 1.8m/s
05:00
4% 9.4°C 0mm 82% 0cm -22° 12°C 0mm 0.25kPa 24134m 1.5m/s 1.7m/s
06:00
3% 9.4°C 0mm 84% 0cm -11° 12°C 0mm 0.22kPa 24134m 1.4m/s 1.6m/s
07:00
3% 9.5°C 0mm 85% 0cm 1.1° 12°C 0mm 0.21kPa 24134m 1.1m/s 1.2m/s
08:00
2% 10°C 0mm 77% 0cm 13° 14°C 0mm 0.37kPa 24135m 0.93m/s 0.63m/s
09:00
6% 10°C 0mm 62% 0cm 25° 17°C 0mm 0.77kPa 24134m 3.7m/s 1.1m/s
10:00
11% 8.8°C 0mm 49% 0cm 37° 20°C 0mm 1.2kPa 24134m 4.6m/s 2.4m/s
11:00
15% 9°C 0mm 47% 0cm 48° 21°C 0mm 1.3kPa 24134m 4.6m/s 2.7m/s
12:00
15% 8.7°C 0mm 43% 0cm 58° 22°C 0mm 1.5kPa 24134m 5m/s 3.1m/s
13:00
16% 8.4°C 0mm 39% 0cm 63° 23°C 0mm 1.7kPa 24135m 5.6m/s 3.6m/s
14:00
16% 8.2°C 0mm 37% 0cm 63° 24°C 0mm 1.8kPa 24134m 5.9m/s 3.9m/s
15:00
23% 8.4°C 0mm 37% 0cm 57° 24°C 0mm 1.9kPa 24135m 6.4m/s 4m/s
16:00
31% 9.3°C 0mm 40% 0cm 47° 23°C 0mm 1.7kPa 24134m 5.6m/s 4.2m/s
17:00
38% 11°C 0mm 48% 0cm 35° 22°C 0mm 1.4kPa 24135m 4.7m/s 4.6m/s
18:00
37% 10°C 0mm 50% 0cm 24° 21°C 0mm 1.2kPa 24135m 4.8m/s 4.1m/s
19:00
37% 9.9°C 0mm 54% 0cm 11° 19°C 0mm 1kPa 24134m 5m/s 2.7m/s
20:00
36% 9.3°C 0mm 67% 0cm 0.02° 15°C 0mm 0.58kPa 24135m 1.7m/s 2m/s
21:00
40% 11°C 0mm 75% 0cm -12° 15°C 0.33mm 0.44kPa 24135m 1.6m/s 1.8m/s
22:00
45% 13°C 0mm 83% 0cm -23° 15°C 0.67mm 0.29kPa 24135m 1.4m/s 1.6m/s
23:00
49% 14°C 0mm 92% 0cm -32° 15°C 1mm 0.14kPa 24135m 1.3m/s 1.4m/s
Fri, Apr 17 Sunrise 06:50 Sunset 20:02
24:00
45% 14°C 0mm 90% 0cm -39° 16°C 1mm 0.17kPa 24135m 1.3m/s 1.3m/s
01:00
42% 14°C 0mm 89% 0cm -43° 16°C 1mm 0.19kPa 24135m 1.3m/s 1.2m/s
02:00
38% 14°C 0mm 88% 0cm -43° 16°C 1mm 0.22kPa 24135m 1.4m/s 1.1m/s
03:00
44% 14°C 0mm 74% 0cm -38° 19°C 0.67mm 0.58kPa 24135m 2.2m/s 1.2m/s
04:00
50% 14°C 0mm 59% 0cm -31° 22°C 0.33mm 1.1kPa 24135m 3.1m/s 1.3m/s
05:00
56% 12°C 0mm 45% 0cm -21° 25°C 0mm 1.8kPa 24135m 3.9m/s 1.3m/s
06:00
56% 11°C 0mm 38% 0cm -11° 26°C 0mm 2.1kPa 24135m 4m/s 1.7m/s
07:00
56% 9°C 0mm 31% 0cm 1.4° 28°C 0mm 2.6kPa 24135m 4m/s 2m/s
08:00
56% 6.4°C 0mm 24% 0cm 13° 29°C 0mm 3.1kPa 24135m 4.1m/s 2.3m/s
09:00
57% 6.5°C 0mm 24% 0cm 25° 29°C 0mm 3kPa 24135m 4.2m/s 3m/s
10:00
57% 6.5°C 0mm 25% 0cm 37° 29°C 0mm 3kPa 24135m 4.2m/s 3.6m/s
11:00
58% 6.6°C 0mm 25% 0cm 48° 29°C 0mm 2.9kPa 24135m 4.3m/s 4.2m/s
12:00
61% 9°C 0mm 34% 0cm 58° 26°C 0mm 2.2kPa 24135m 3.6m/s 3.6m/s
13:00
63% 10°C 0mm 44% 0cm 64° 23°C 0mm 1.6kPa 24135m 2.9m/s 2.9m/s
14:00
66% 11°C 0mm 53% 0cm 63° 21°C 0mm 1.1kPa 24135m 2.1m/s 2.3m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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