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Rule Fog Hunter

Waynesville - Fog Hunter - Smoky Mountains & Blue Ridge

Waynesville, 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 · ≥ 85.0% Dewpoint Spread · ≤ 2.0°C Visibility · ≤ 3000.0m Wind Speed · ≤ 2.0m/s

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 94% failing
Visibility 92% failing
Wind Speed 81% failing

Currently

Real-time conditions
Dewpoint Spread3.6°C
Visibility12950 (Clear)
Relative Humidity75%
Wind Speed4.2m/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
≥ 85.0%
Dewpoint Spread
≤ 2.0°C
Visibility
≤ 3000.0m
Wind Speed
≤ 2.0m/s
Sat, Feb 21
20:0060%0.8°C21033m1.3m/s
21:0064%0.7°C23503m0.79m/s
22:0064%0.7°C24135m1.3m/s
23:0072%0.7°C10727m2m/s
Sun, Feb 22
24:00100%0.7°C569m3m/s
01:0057%0.6°C271m2.4m/s
02:0088%0.8°C3440m2.3m/s
03:00100%0.8°C275m2.5m/s
04:00100%0.7°C134m2.6m/s
05:000%1.3°C7176m2.9m/s
06:000%2.3°C10907m2.9m/s
07:000%2.3°C5224m2.9m/s
08:000%2.6°C17349m3m/s
09:000%4.4°C20225m3.4m/s
10:000%6.4°C24135m3.4m/s
11:000%7.7°C22363m4.7m/s
12:000%8.9°C24135m5.4m/s
13:000%8.2°C22991m6.8m/s
14:000%7.7°C15029m7.2m/s
15:000%6.3°C8830m7.4m/s
16:000%5.4°C9525m6.9m/s
17:000%4.9°C18581m6.3m/s
18:000%3.8°C15977m4.3m/s
19:000%2.9°C9691m3.9m/s
20:000%3.3°C12318m4m/s
21:000%3.6°C12950m4.2m/s
22:000%3.8°C12092m4.1m/s
23:000%3.7°C10305m4m/s
Mon, Feb 23
24:000%3.9°C9594m3.8m/s
01:000%4°C9628m3.6m/s
02:000%4.1°C9896m3.5m/s
03:000%4.6°C19368m3.4m/s
04:000%4.5°C18933m3.2m/s
05:000%4.4°C19164m3.2m/s
06:000%4.3°C19989m3.3m/s
07:000%4.2°C19815m3.3m/s
08:000%4.7°C20838m3.6m/s
09:000%6.3°C20938m3.9m/s
10:000%7.6°C21223m4.1m/s
11:000%8.6°C21293m4m/s
12:000%9°C21266m4m/s
13:000%9°C21205m4m/s
14:000%8.6°C21300m4.3m/s
15:000%8.3°C21604m4.2m/s
16:000%7.5°C21516m4.1m/s
17:000%6.4°C21373m3.7m/s
18:000%4.8°C20860m3.1m/s
19:000%2.9°C11092m2.7m/s
20:000%2.6°C16680m2.8m/s
21:000%2.4°C17622m2.7m/s
22:000%2°C14276m2.6m/s
23:000%1.7°C15885m2.2m/s
Tue, Feb 24
24:000%1.4°C19686m1.6m/s
01:000%1.3°C15849m1.5m/s
02:000%1.5°C18492m1.5m/s
03:000%1.5°C22018m1.5m/s
04:000%1.5°C24135m1.6m/s
05:000%1.7°C24134m1.4m/s
06:000%2.1°C24135m1.3m/s
07:000%3.3°C24135m1.2m/s
08:000%5.7°C24135m1.1m/s
09:000%9.7°C24135m1.4m/s
10:000%14°C24134m1.2m/s
11:000%16°C24134m1.1m/s
12:000%18°C24134m1.5m/s
13:000%18°C24134m1.9m/s
14:000%17°C24135m2.2m/s
15:000%18°C24135m2.6m/s
16:000%18°C24134m3.1m/s
17:000%15°C24134m2.7m/s
18:000%11°C24135m2.1m/s
19:000%9.2°C24134m2.4m/s
20:000%8.6°C24135m2.8m/s
21:000%8.4°C24135m3m/s
22:000%9.5°C24134m3.6m/s
23:000%9.2°C24135m3.8m/s
Wed, Feb 25
24:000%8.6°C24134m3.8m/s
01:000%8.4°C24135m4m/s
02:000%7.5°C24135m3.9m/s
03:000%6.7°C24135m3.8m/s
04:000%6°C24135m3.7m/s
05:000%5.5°C24135m3.6m/s
06:000%5.1°C24135m3.5m/s
07:000%4.7°C24135m3.4m/s
08:000%4.1°C24135m3.4m/s
09:000%3.4°C24135m3.3m/s
10:000%2.8°C24135m3.2m/s
11:000%1.9°C16169m3m/s
12:000%1.1°C8204m2.7m/s
13:0096%0.2°C239m2.5m/s
14:0096%0.2°C188m2.4m/s
15:0096%0.1°C138m2.2m/s
16:00100%0.1°C88m2.1m/s
17:0053%0.1°C142m2.1m/s
18:0060%0.2°C197m2.1m/s
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
Dew Point
°C
Rainfall
mm
Relative Humidity
%
Snowfall
cm
Temperature
°C
Total Precipitation
mm
Vapor Pressure Deficit
kPa
Wind Gusts
m/s
Sun, Feb 22 Sunrise 07:09 Sunset 18:21
21:00
-11°C 0.03mm 75% 0.03cm -7.8°C 0.13mm 0.08kPa 11m/s
22:00
-12°C 0.03mm 74% 0.03cm -8.3°C 0.13mm 0.09kPa 12m/s
23:00
-12°C 0.04mm 74% 0.04cm -8.7°C 0.19mm 0.08kPa 12m/s
Mon, Feb 23 Sunrise 07:09 Sunset 18:21
24:00
-13°C 0.06mm 73% 0.06cm -8.8°C 0.25mm 0.08kPa 11m/s
01:00
-13°C 0.06mm 72% 0.06cm -9.1°C 0.31mm 0.09kPa 11m/s
02:00
-13°C 0.05mm 72% 0.05cm -9.3°C 0.06mm 0.09kPa 11m/s
03:00
-14°C 0.02mm 69% 0cm -9.4°C 0.13mm 0.09kPa 10m/s
04:00
-14°C 0.02mm 70% 0cm -9.5°C 0.13mm 0.09kPa 11m/s
05:00
-14°C 0.02mm 70% 0cm -9.7°C 0.19mm 0.09kPa 11m/s
06:00
-14°C 0.02mm 70% 0cm -9.8°C 0.19mm 0.09kPa 11m/s
07:00
-14°C 0.02mm 72% 0cm -9.9°C 0.25mm 0.08kPa 10m/s
08:00
-14°C 0.02mm 68% 0cm -9.6°C 0mm 0.09kPa 12m/s
09:00
-14°C 0.02mm 61% 0cm -8.1°C 0.06mm 0.13kPa 12m/s
10:00
-14°C 0.01mm 55% 0cm -6.5°C 0.06mm 0.17kPa 12m/s
11:00
-14°C 0.01mm 51% 0cm -5°C 0.06mm 0.21kPa 11m/s
12:00
-13°C 0.02mm 50% 0cm -4.1°C 0.13mm 0.23kPa 10m/s
13:00
-13°C 0.02mm 49% 0cm -3.8°C 0.13mm 0.23kPa 9.6m/s
14:00
-12°C 0.02mm 51% 0cm -3.8°C 0mm 0.22kPa 9.4m/s
15:00
-12°C 0.01mm 52% 0cm -4.1°C 0.06mm 0.21kPa 9m/s
16:00
-12°C 0.01mm 56% 0cm -4.7°C 0.06mm 0.19kPa 9m/s
17:00
-12°C 0mm 61% 0cm -5.5°C 0.13mm 0.16kPa 9.2m/s
18:00
-11°C 0.01mm 68% 0cm -6.7°C 0.13mm 0.12kPa 8.8m/s
19:00
-11°C 0.01mm 79% 0cm -7.8°C 0.13mm 0.07kPa 7.2m/s
20:00
-11°C 0.01mm 82% 0cm -8.1°C 0mm 0.06kPa 7.9m/s
21:00
-11°C 0.01mm 83% 0cm -8.4°C 0mm 0.05kPa 7.9m/s
22:00
-11°C 0.01mm 85% 0cm -8.8°C 0.06mm 0.05kPa 7.1m/s
23:00
-11°C 0.01mm 87% 0cm -9.2°C 0.06mm 0.04kPa 5.2m/s
Tue, Feb 24 Sunrise 07:08 Sunset 18:22
24:00
-11°C 0mm 89% 0cm -9.6°C 0.06mm 0.03kPa 3.7m/s
01:00
-11°C 0mm 90% 0cm -9.9°C 0.06mm 0.03kPa 2.4m/s
02:00
-12°C 0mm 89% 0cm -10°C 0mm 0.03kPa 2.6m/s
03:00
-12°C 0mm 89% 0cm -11°C 0mm 0.03kPa 2.5m/s
04:00
-12°C 0mm 89% 0cm -11°C 0mm 0.03kPa 2.4m/s
05:00
-13°C 0mm 87% 0cm -11°C 0mm 0.03kPa 2.2m/s
06:00
-13°C 0mm 84% 0cm -11°C 0mm 0.04kPa 1.9m/s
07:00
-13°C 0mm 77% 0cm -10°C 0mm 0.07kPa 1.7m/s
08:00
-14°C 0mm 63% 0cm -8.4°C 0mm 0.12kPa 1.6m/s
09:00
-15°C 0mm 46% 0cm -5.5°C 0mm 0.22kPa 2m/s
10:00
-16°C 0mm 34% 0cm -2.2°C 0mm 0.34kPa 2.1m/s
11:00
-15°C 0mm 28% 0cm 1.1°C 0mm 0.47kPa 2.2m/s
12:00
-14°C 0mm 26% 0cm 3.3°C 0mm 0.57kPa 2.9m/s
13:00
-13°C 0mm 26% 0cm 4.5°C 0mm 0.62kPa 4.2m/s
14:00
-12°C 0mm 27% 0cm 4.9°C 0mm 0.63kPa 5.1m/s
15:00
-12°C 0mm 27% 0cm 5.4°C 0mm 0.66kPa 5.4m/s
16:00
-13°C 0mm 26% 0cm 4.8°C 0mm 0.63kPa 5.7m/s
17:00
-12°C 0mm 32% 0cm 3.8°C 0mm 0.55kPa 5.1m/s
18:00
-10°C 0mm 44% 0cm 0.22°C 0mm 0.35kPa 1.9m/s
19:00
-11°C 0mm 50% 0cm -1.5°C 0mm 0.27kPa 2.8m/s
20:00
-10°C 0mm 52% 0cm -1.4°C 0mm 0.27kPa 4.9m/s
21:00
-10°C 0mm 53% 0cm -1.7°C 0mm 0.25kPa 5.9m/s
22:00
-11°C 0.01mm 48% 0cm -1.6°C 0mm 0.28kPa 7.6m/s
23:00
-11°C 0mm 49% 0cm -1.9°C 0mm 0.27kPa 8m/s
Wed, Feb 25 Sunrise 07:06 Sunset 18:23
24:00
-11°C 0mm 52% 0cm -2.2°C 0mm 0.25kPa 8.5m/s
01:00
-10°C 0mm 53% 0cm -1.9°C 0mm 0.25kPa 11m/s
02:00
-7°C 0mm 57% 0cm 0.5°C 0mm 0.27kPa 10m/s
03:00
-3.8°C 0mm 61% 0cm 2.9°C 0mm 0.29kPa 9.2m/s
04:00
-0.7°C 0mm 65% 0cm 5.3°C 0mm 0.31kPa 8.4m/s
05:00
0.3°C 0mm 68% 0cm 5.8°C 0mm 0.3kPa 8.4m/s
06:00
1.3°C 0mm 70% 0cm 6.4°C 0mm 0.29kPa 8.4m/s
07:00
2.2°C 0mm 72% 0cm 6.9°C 0mm 0.28kPa 8.4m/s
08:00
2.7°C 0mm 75% 0cm 6.8°C 0mm 0.24kPa 7.9m/s
09:00
3.2°C 0mm 79% 0cm 6.6°C 0mm 0.21kPa 7.4m/s
10:00
3.7°C 0mm 82% 0cm 6.5°C 0mm 0.17kPa 6.8m/s
11:00
3.4°C 0mm 88% 0cm 5.3°C 0mm 0.11kPa 6.5m/s
12:00
3.1°C 0mm 93% 0cm 4.2°C 0mm 0.06kPa 6.1m/s
13:00
2.8°C 0mm 98% 0cm 3°C 0mm 0.01kPa 5.7m/s
14:00
3°C 0.04mm 98% 0cm 3.2°C 0.06mm 0.01kPa 5.1m/s
15:00
3.3°C 0.09mm 99% 0cm 3.4°C 0.13mm 0.01kPa 4.6m/s
16:00
3.5°C 0.13mm 99% 0cm 3.6°C 0.19mm 0.01kPa 4m/s
17:00
3.9°C 0.09mm 99% 0cm 4°C 0.29mm 0.01kPa 4m/s
18:00
4.2°C 0.05mm 99% 0cm 4.4°C 0.4mm 0.01kPa 4m/s
19:00
4.6°C 0.01mm 99% 0cm 4.8°C 0.5mm 0.01kPa 4m/s
20:00
4.9°C 0.01mm 99% 0cm 5.1°C 0.35mm 0.01kPa 4.7m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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