Roane County, East Tennessee, Tennessee, United States

Last updated: 8:31 PM CDT  ·  Refresh
18°C
Feels like 19°
Mostly Cloudy
▲ 19°  /  ▼ 13°
Wind
4 mph NE
Humidity
89%
Dew Point
17°
Pressure
28.99 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
80%
Sunrise
7:40 AM
Sunset
7:08 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Roane County is currently mostly cloudy at 18°C. Precipitation is likely — peak probability 90% around 9 PM. Sunrise: 7:40AM · Sunset: 7:08PM.

Alerts

No active alerts for this location.
35 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
18°
90%
10 PM
17°
87%
11 PM
17°
87%
12 AM
17°
87%
1 AM
17°
87%
2 AM
17°
71%
3 AM
17°
68%
4 AM
17°
63%
5 AM
16°
57%
6 AM
14°
50%
7 AM
14°
51%
8 AM
14°
54%
9 AM
14°
62%
10 AM
14°
66%
11 AM
14°
62%
12 PM
15°
56%
1 PM
15°
56%
2 PM
17°
65%
3 PM
17°
61%
4 PM
18°
57%
5 PM
18°
30%
6 PM
17°
30%
7 PM
17°
20%
8 PM
17°
20%
7-Day Forecast
Tonight
19° 13°
Mostly Cloudy with a 90% chance of rain.
Sun
19° 14°
Overcast with a 87% chance of rain.
Mon
26° 11°
Fog.
Tue
31° 11°
Fog.
Wed
32° 17°
Partly Cloudy.
Thu
31° 17°
Rain, 21% chance.
Fri
29° 10°
Rain, 28% chance.
TimeTempConditionsPrecipWindHumidity
Now 18° Mostly Cloudy 90% 4 mph NE 89%
10 PM 17° Rain 87% 5 mph NE 93%
11 PM 17° Heavy Rain 87% 5 mph ENE 95%
12 AM 17° Overcast 87% 4 mph ENE 96%
1 AM 17° Overcast 87% 3 mph E 97%
2 AM 17° Overcast 71% 3 mph SE 97%
3 AM 17° Overcast 68% 3 mph SSE 97%
4 AM 17° Overcast 63% 4 mph SSW 97%
5 AM 16° Overcast 57% 5 mph SSW 96%
6 AM 14° Mostly Cloudy 50% 5 mph SSW 95%
7 AM 14° Mostly Cloudy 51% 5 mph SSW 95%
8 AM 14° Mostly Cloudy 54% 6 mph SSW 95%
9 AM 14° Overcast 62% 6 mph SSW 95%
10 AM 14° Overcast 66% 6 mph SSW 96%
11 AM 14° Overcast 62% 6 mph SSW 96%
12 PM 15° Overcast 56% 6 mph SW 94%
1 PM 15° Rain 56% 6 mph SW 93%
2 PM 17° Rain 65% 6 mph WSW 93%
3 PM 17° Drizzle 61% 7 mph WSW 93%
4 PM 18° Overcast 57% 7 mph WSW 92%
5 PM 18° Overcast 30% 7 mph WSW 92%
6 PM 17° Overcast 30% 7 mph WSW 93%
7 PM 17° Mostly Cloudy 20% 7 mph WSW 93%
8 PM 17° Mostly Cloudy 20% 6 mph WSW 91%
15-Day Forecast
Today
10/10
Mostly Cloudy
90%
13°
19°
Sun
10/11
Overcast
87%
14°
19°
Mon
10/12
Fog
18%
11°
26°
Tue
10/13
Fog
16%
11°
31°
Wed
10/14
Partly Cloudy
16%
17°
32°
Thu
10/15
Rain
21%
17°
31°
Fri
10/16
Rain
28%
10°
29°
Sat
10/17
Clear
17%
1°
17°
Sun
10/18
Clear
18%
-3°
14°
Mon
10/19
Clear
19%
-2°
18°
Tue
10/20
Clear
25%
1°
21°
Wed
10/21
Drizzle
60%
6°
23°
Thu
10/22
Clear
25%
7°
22°
Fri
10/23
Drizzle
60%
7°
21°
Sat
10/24
Drizzle
60%
7°
22°
35
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
14 AQI 2.6 µg/m³
O3
Ground-level ozone
Dominant
35 AQI 39 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 35 Good 35 14
Mon 28 Good 28 8
Tue 41 Good 41 32
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 Sat Oct 10, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE9 J/kg
MUCAPE180 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index3.4
Kinematics
0–6 km Shear67 kt
0–1 km Shear28 kt
Eff. Shear29 kt
0–1 km SRH330
0–3 km SRH428
Eff. SRH102
Storm Motion196° @ 41 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.3
K-Index34.2
Thermo & Levels
PWAT1.46 in
0–3 km LR4.3 °C/km
700–500 LR5.4 °C/km
Total Totals46.6
LCL960 hPa
LFC—
EL—
Freezing Lvl13,957 ft