Knox County, East Tennessee, Tennessee, United States

Last updated: 1:16 PM CDT · Refresh

33°C

Feels like 38°

Partly Cloudy

▲ 34° / ▼ 24°

Wind

4 mph SW

Humidity

57%

Dew Point

24°

Pressure

30.03 inHg

Visibility

10 mi

UV Index

9.6

Cloud Cover

34%

Sunrise

6:09 AM

Sunset

8:10 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Knox County is currently partly cloudy at 33°C. Precipitation is likely — peak probability 69% around 4 PM. Atmospheric instability is elevated (CAPE up to 2883 J/kg) — isolated convective development possible. Sunrise: 6:09AM · Sunset: 8:10PM.

22 AQI · Good Dominant: O3 Air Quality

Hourly Forecast · Next 24 Hours

Now

33°

13%

2 PM

32°

47%

3 PM

32°

53%

4 PM

31°

68%

5 PM

32°

38%

6 PM

31°

56%

7 PM

30°

56%

8 PM

28°

62%

9 PM

28°

56%

10 PM

27°

22%

11 PM

27°

20%

12 AM

27°

20%

1 AM

26°

12%

2 AM

26°

20%

3 AM

26°

15%

4 AM

25°

29%

5 AM

24°

30%

6 AM

24°

26%

7 AM

24°

27%

8 AM

27°

27%

9 AM

29°

37%

10 AM

29°

41%

11 AM

29°

46%

12 PM

29°

46%

7-Day Forecast

Today

34° 24°

Mostly Cloudy with a 68% chance of rain.

Fri

32° 24°

Mostly Cloudy with a 58% chance of rain.

Sat

33° 24°

Mostly Clear with a 68% chance of rain.

Sun

33° 24°

Mostly Cloudy with a 85% chance of rain.

Mon

28° 21°

Rain, 90% chance.

Tue

29° 21°

Rain, 90% chance.

Wed

31° 20°

Drizzle, 60% chance.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 33° Partly Cloudy 13% 4 mph SW 57%

2 PM 32° Partly Cloudy 47% 5 mph S 58%

3 PM 32° Mostly Cloudy 53% 6 mph S 58%

4 PM 31° Mostly Cloudy 68% 7 mph S 59%

5 PM 32° Mostly Cloudy 38% 6 mph S 65%

6 PM 31° Partly Cloudy 56% 9 mph S 71%

7 PM 30° Drizzle 56% 6 mph S 78%

8 PM 28° Rain 62% 7 mph SSE 82%

9 PM 28° Mostly Cloudy 56% 5 mph S 85%

10 PM 27° Partly Cloudy 22% 4 mph S 88%

11 PM 27° Mostly Clear 20% 4 mph S 90%

12 AM 27° Mostly Clear 20% 4 mph SSE 92%

1 AM 26° Mostly Clear 12% 4 mph SSE 93%

2 AM 26° Mostly Clear 20% 3 mph SSE 94%

3 AM 26° Partly Cloudy 15% 3 mph SSE 95%

4 AM 25° Partly Cloudy 29% 3 mph SSE 95%

5 AM 24° Mostly Cloudy 30% 3 mph SSE 95%

6 AM 24° Mostly Cloudy 26% 3 mph SSE 95%

7 AM 24° Mostly Cloudy 27% 4 mph SSE 92%

8 AM 27° Mostly Cloudy 27% 4 mph S 85%

9 AM 29° Partly Cloudy 37% 4 mph S 79%

10 AM 29° Partly Cloudy 41% 5 mph S 74%

11 AM 29° Partly Cloudy 46% 6 mph S 73%

12 PM 29° Mostly Cloudy 46% 6 mph S 72%

15-Day Forecast

Today

7/9

Mostly Cloudy

68%

24°

34°

Fri

7/10

Mostly Cloudy

58%

24°

32°

Sat

7/11

Mostly Clear

68%

24°

33°

Sun

7/12

Mostly Cloudy

85%

24°

33°

Mon

7/13

Rain

90%

21°

28°

Tue

7/14

Rain

90%

21°

29°

Wed

7/15

Drizzle

60%

20°

31°

Thu

7/16

Drizzle

60%

22°

32°

Fri

7/17

Drizzle

60%

23°

33°

Sat

7/18

Drizzle

60%

23°

33°

Sun

7/19

Drizzle

60%

22°

33°

Mon

7/20

Drizzle

60%

23°

33°

Tue

7/21

Drizzle

60%

23°

33°

Wed

7/22

Rain

90%

23°

33°

Thu

7/23

Drizzle

60%

23°

32°

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

PM_2.5

Fine particulate matter

18 AQI 3.3 µg/m³

O₃

Ground-level ozone

Dominant

22 AQI 25 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Fri 22 Good 22 18

Sat 28 Good 25 28

Sun 56 Moderate 30 56

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. PM_2.5 (fine particles) is reported in µg/m³ and ozone (O₃) in ppb. Forecast source: NWS NAQFC.

Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio

RAP

Valid Thu Jul 9, 17:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE3686 J/kg

MLCAPE2419 J/kg

MUCAPE3686 J/kg

SBCIN0 J/kg

MLCIN0 J/kg

Lifted Index-8.3

Kinematics

0–6 km Shear15 kt

0–1 km Shear1 kt

Eff. Shear15 kt

0–1 km SRH-1

0–3 km SRH-5

Eff. SRH-5

Storm Motion188° @ 17 kt

0–1 km EHI-0.0

Composite Parameters

Sig. Tornado0.0

STP (eff)0.0

Supercell0.0

K-Index34.6

Thermo & Levels

PWAT1.98 in

0–3 km LR7.8 °C/km

700–500 LR5.7 °C/km

Total Totals47.5

LCL897 hPa

LFC1017 hPa

EL152 hPa

Freezing Lvl15,220 ft

Knox County, East Tennessee, Tennessee, United States

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