High Wind Warning — Cherokee, NC, Clay, NC, Johnson, TN, Cocke Smoky Mountains, TN, Southeast Greene, TN, Unicoi, TN, Southeast Carter, TN, Blount Smoky Mountains, TN, Sevier Smoky Mountains, TN, Southeast Monroe, TN, East Polk, TN, Russell, VA, Washington, VA 7:00 AM

Johnson County, East Tennessee, Tennessee, United States

Last updated: 11:36 PM CDT  ·  Refresh
16°C
Feels like 13°
Overcast
▲ 20°  /  ▼ 12°
Wind
11 mph E
Humidity
93%
Dew Point
15°
Pressure
26.97 inHg
Visibility
6 mi
UV Index
0.0
Cloud Cover
90%
Sunrise
7:31 AM
Sunset
6:56 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Johnson County is currently overcast at 16°C. Precipitation is likely — peak probability 90% around 12 AM. Sunrise: 7:31AM · Sunset: 6:56PM.

Alerts

High Wind Warning
Cherokee, NC, Clay, NC, Johnson, TN, Cocke Smoky Mountains, TN, Southeast Greene, TN, Unicoi, TN, Southeast Carter, TN, Blount Smoky Mountains, TN, Sevier Smoky Mountains, TN, Southeast Monroe, TN, East Polk, TN, Russell, VA, Washington, VA
Expires 7:00 AM
37 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
16°
90%
1 AM
16°
90%
2 AM
17°
73%
3 AM
17°
83%
4 AM
17°
87%
5 AM
16°
86%
6 AM
16°
86%
7 AM
16°
73%
8 AM
16°
64%
9 AM
17°
52%
10 AM
17°
56%
11 AM
17°
56%
12 PM
17°
40%
1 PM
19°
55%
2 PM
17°
69%
3 PM
16°
63%
4 PM
16°
59%
5 PM
16°
59%
6 PM
15°
67%
7 PM
14°
69%
8 PM
14°
70%
9 PM
14°
66%
10 PM
14°
67%
11 PM
14°
64%
7-Day Forecast
Today
20° 12°
Mostly Cloudy with a 90% chance of rain.
Mon
21° 12°
Mostly Cloudy with a 71% chance of rain.
Tue
28° 12°
Clear.
Wed
29° 14°
Mostly Cloudy.
Thu
28° 14°
Partly Cloudy with a 22% chance of rain.
Fri
27° 9°
Partly Cloudy with a 35% chance of rain.
Sat
18° -1°
Clear with a 34% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 16° Overcast 90% 11 mph E 93%
1 AM 16° Mostly Cloudy 90% 11 mph ESE 95%
2 AM 17° Mostly Cloudy 73% 10 mph ESE 95%
3 AM 17° Mostly Cloudy 83% 9 mph ESE 94%
4 AM 17° Rain 87% 8 mph ESE 95%
5 AM 16° Rain 86% 7 mph ESE 95%
6 AM 16° Thunderstorm 86% 7 mph ESE 95%
7 AM 16° Thunderstorm 73% 7 mph ESE 95%
8 AM 16° Rain 64% 6 mph SE 93%
9 AM 17° Partly Cloudy 52% 6 mph SSE 90%
10 AM 17° Partly Cloudy 56% 8 mph S 87%
11 AM 17° Partly Cloudy 56% 8 mph SSW 85%
12 PM 17° Partly Cloudy 40% 8 mph SSW 82%
1 PM 19° Mostly Cloudy 55% 8 mph SW 82%
2 PM 17° Mostly Cloudy 69% 9 mph WSW 86%
3 PM 16° Overcast 63% 9 mph WSW 90%
4 PM 16° Overcast 59% 9 mph WSW 93%
5 PM 16° Overcast 59% 9 mph WSW 96%
6 PM 15° Overcast 67% 9 mph W 97%
7 PM 14° Overcast 69% 10 mph W 98%
8 PM 14° Rain 70% 10 mph W 98%
9 PM 14° Rain 66% 10 mph W 98%
10 PM 14° Rain 67% 11 mph W 98%
11 PM 14° Rain 64% 11 mph W 98%
15-Day Forecast
Today
10/11
Mostly Cloudy
90%
12°
20°
Mon
10/12
Mostly Cloudy
71%
12°
21°
Tue
10/13
Clear
6%
12°
28°
Wed
10/14
Mostly Cloudy
9%
14°
29°
Thu
10/15
Partly Cloudy
22%
14°
28°
Fri
10/16
Partly Cloudy
35%
9°
27°
Sat
10/17
Clear
34%
-1°
18°
Sun
10/18
Partly Cloudy
33%
-2°
11°
Mon
10/19
Mostly Cloudy
35%
-2°
18°
Tue
10/20
Partly Cloudy
19%
1°
21°
Wed
10/21
Drizzle
60%
4°
22°
Thu
10/22
Drizzle
60%
5°
21°
Fri
10/23
Drizzle
60%
4°
20°
Sat
10/24
Drizzle
60%
4°
19°
Sun
10/25
Drizzle
60%
6°
21°
37
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
10 AQI 1.8 µg/m³
O3
Ground-level ozone
Dominant
37 AQI 41 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 37 Good 37 10
Mon 36 Good 36 7
Tue 40 Good 40 26
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Sun Oct 11, 03:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 90 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE22 J/kg
MUCAPE111 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index5.3
Kinematics
0–6 km Shear49 kt
0–1 km Shear44 kt
Eff. Shear32 kt
0–1 km SRH527
0–3 km SRH843
Eff. SRH137
Storm Motion191° @ 33 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.3
K-Index32.5
Thermo & Levels
PWAT1.72 in
0–3 km LR3.5 °C/km
700–500 LR5.6 °C/km
Total Totals39.2
LCL901 hPa
LFC—
EL—
Freezing Lvl12,815 ft