Grainger County, East Tennessee, Tennessee, United States

Last updated: 8:31 PM CDT  ·  Refresh
18°C
Feels like 16°
Partly Cloudy
▲ 21°  /  ▼ 14°
Wind
11 mph E
Humidity
87%
Dew Point
16°
Pressure
28.60 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
42%
Sunrise
7:36 AM
Sunset
7:04 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Grainger County is currently partly cloudy at 18°C. Precipitation is likely — peak probability 90% around 12 AM. Sunrise: 7:36AM · Sunset: 7:04PM.

Alerts

No active alerts for this location.
42 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
18°
46%
10 PM
18°
78%
11 PM
18°
84%
12 AM
17°
90%
1 AM
17°
87%
2 AM
17°
82%
3 AM
17°
78%
4 AM
17°
63%
5 AM
17°
64%
6 AM
16°
63%
7 AM
16°
67%
8 AM
16°
56%
9 AM
16°
43%
10 AM
16°
54%
11 AM
15°
54%
12 PM
14°
54%
1 PM
14°
54%
2 PM
17°
55%
3 PM
17°
59%
4 PM
18°
59%
5 PM
18°
58%
6 PM
18°
54%
7 PM
18°
44%
8 PM
18°
44%
7-Day Forecast
Tonight
21° 14°
Partly Cloudy with a 46% chance of rain.
Sun
19° 14°
Overcast with a 90% chance of rain.
Mon
26° 13°
Partly Cloudy.
Tue
31° 12°
Fog.
Wed
32° 17°
Mostly Cloudy.
Thu
30° 17°
Drizzle, 51% chance.
Fri
30° 10°
Drizzle, 52% chance.
TimeTempConditionsPrecipWindHumidity
Now 18° Partly Cloudy 46% 11 mph E 87%
10 PM 18° Mostly Cloudy 78% 10 mph E 90%
11 PM 18° Mostly Cloudy 84% 10 mph E 92%
12 AM 17° Heavy Rain 90% 10 mph E 93%
1 AM 17° Rain 87% 9 mph E 94%
2 AM 17° Rain 82% 8 mph ENE 94%
3 AM 17° Rain 78% 6 mph ENE 95%
4 AM 17° Rain 63% 6 mph ENE 95%
5 AM 17° Mostly Cloudy 64% 4 mph E 96%
6 AM 16° Mostly Cloudy 63% 3 mph SE 96%
7 AM 16° Overcast 67% 5 mph WSW 96%
8 AM 16° Overcast 56% 9 mph WSW 93%
9 AM 16° Mostly Cloudy 43% 9 mph SW 89%
10 AM 16° Mostly Cloudy 54% 10 mph SW 86%
11 AM 15° Mostly Cloudy 54% 11 mph SW 86%
12 PM 14° Overcast 54% 10 mph SW 90%
1 PM 14° Overcast 54% 9 mph SW 93%
2 PM 17° Overcast 55% 9 mph SW 94%
3 PM 17° Overcast 59% 9 mph SW 94%
4 PM 18° Rain 59% 9 mph WSW 94%
5 PM 18° Rain 58% 9 mph WSW 94%
6 PM 18° Overcast 54% 9 mph WSW 95%
7 PM 18° Overcast 44% 10 mph WSW 96%
8 PM 18° Overcast 44% 10 mph WSW 95%
15-Day Forecast
Today
10/10
Partly Cloudy
46%
14°
21°
Sun
10/11
Overcast
90%
14°
19°
Mon
10/12
Partly Cloudy
7%
13°
26°
Tue
10/13
Fog
6%
12°
31°
Wed
10/14
Mostly Cloudy
16%
17°
32°
Thu
10/15
Drizzle
51%
17°
30°
Fri
10/16
Drizzle
52%
10°
30°
Sat
10/17
Clear
28%
1°
18°
Sun
10/18
Clear
18%
-3°
14°
Mon
10/19
Clear
19%
-2°
19°
Tue
10/20
Clear
21%
1°
22°
Wed
10/21
Drizzle
60%
4°
23°
Thu
10/22
Clear
25%
6°
23°
Fri
10/23
Drizzle
60%
6°
22°
Sat
10/24
Clear
60%
6°
22°
42
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
13 AQI 2.5 µg/m³
O3
Ground-level ozone
Dominant
42 AQI 45 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 42 Good 42 13
Mon 31 Good 31 9
Tue 42 Good 42 41
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 90 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE25 J/kg
MUCAPE128 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index4.4
Kinematics
0–6 km Shear63 kt
0–1 km Shear35 kt
Eff. Shear20 kt
0–1 km SRH460
0–3 km SRH480
Eff. SRH37
Storm Motion192° @ 39 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.1
K-Index35.1
Thermo & Levels
PWAT1.44 in
0–3 km LR4.0 °C/km
700–500 LR5.7 °C/km
Total Totals46.9
LCL939 hPa
LFC—
EL—
Freezing Lvl13,314 ft