Johnson County, Kentucky, United States

Last updated: 10:01 PM CDT · Refresh

24°C

Feels like 28°

Partly Cloudy

▲ 30° / ▼ 20°

Wind

5 mph SW

Humidity

96%

Dew Point

23°

Pressure

28.89 inHg

Visibility

10 mi

UV Index

0.0

Cloud Cover

35%

Sunrise

6:25 AM

Sunset

8:49 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Johnson County is currently partly cloudy at 24°C. Precipitation is likely — peak probability 54% around 9 AM. Atmospheric instability is elevated (CAPE up to 1155 J/kg) — isolated convective development possible. Sunrise: 6:25AM · Sunset: 8:49PM.

31 AQI · Good Dominant: O3 Air Quality

Hourly Forecast · Next 24 Hours

Now

24°

25%

12 AM

24°

30%

1 AM

23°

24%

2 AM

23°

18%

3 AM

22°

22%

4 AM

22°

39%

5 AM

22°

49%

6 AM

20°

40%

7 AM

20°

44%

8 AM

21°

53%

9 AM

22°

53%

10 AM

22°

41%

11 AM

23°

33%

12 PM

23°

14%

1 PM

24°

26%

2 PM

26°

11%

3 PM

27°

15%

4 PM

27°

15%

5 PM

27°

14%

6 PM

26°

14%

7 PM

26°

14%

8 PM

25°

11%

9 PM

24°

11%

10 PM

22°

12%

7-Day Forecast

Tonight

30° 20°

Partly Cloudy with a 25% chance of rain.

Wed

27° 18°

Mostly Cloudy with a 53% chance of rain.

Thu

28° 15°

Clear.

Fri

28° 17°

Overcast with a 44% chance of rain.

Sat

31° 18°

Drizzle, 50% chance.

Sun

33° 19°

Rain, 70% chance.

Mon

36° 21°

Thunderstorm, 52% chance.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 24° Partly Cloudy 25% 5 mph SW 96%

12 AM 24° Mostly Clear 30% 6 mph WSW 96%

1 AM 23° Mostly Clear 24% 5 mph WSW 96%

2 AM 23° Mostly Clear 18% 4 mph W 97%

3 AM 22° Partly Cloudy 22% 4 mph W 97%

4 AM 22° Partly Cloudy 39% 4 mph W 97%

5 AM 22° Partly Cloudy 49% 4 mph W 97%

6 AM 20° Partly Cloudy 40% 4 mph WNW 97%

7 AM 20° Overcast 44% 3 mph WNW 97%

8 AM 21° Overcast 53% 4 mph NW 97%

9 AM 22° Overcast 53% 4 mph NNW 91%

10 AM 22° Overcast 41% 4 mph N 86%

11 AM 23° Overcast 33% 4 mph NNW 82%

12 PM 23° Mostly Cloudy 14% 4 mph NNW 76%

1 PM 24° Mostly Cloudy 26% 4 mph NNW 71%

2 PM 26° Partly Cloudy 11% 5 mph NNW 66%

3 PM 27° Partly Cloudy 15% 6 mph NNW 63%

4 PM 27° Partly Cloudy 15% 6 mph NNW 60%

5 PM 27° Partly Cloudy 14% 6 mph NNW 58%

6 PM 26° Partly Cloudy 14% 7 mph N 60%

7 PM 26° Partly Cloudy 14% 7 mph N 62%

8 PM 25° Partly Cloudy 11% 7 mph N 63%

9 PM 24° Partly Cloudy 11% 7 mph N 64%

10 PM 22° Mostly Cloudy 12% 6 mph N 65%

15-Day Forecast

Today

7/21

Partly Cloudy

25%

20°

30°

Wed

7/22

Mostly Cloudy

53%

18°

27°

Thu

7/23

Clear

15°

28°

Fri

7/24

Overcast

44%

17°

28°

Sat

7/25

Drizzle

50%

18°

31°

Sun

7/26

Rain

70%

19°

33°

Mon

7/27

Thunderstorm

52%

21°

36°

Tue

7/28

Rain

63%

18°

37°

Wed

7/29

Drizzle

44%

16°

31°

Thu

7/30

Drizzle

44%

14°

30°

Fri

7/31

Drizzle

60%

14°

29°

Sat

8/1

Drizzle

60%

16°

31°

Sun

8/2

Drizzle

60%

17°

32°

Mon

8/3

Drizzle

60%

18°

32°

Tue

8/4

Drizzle

60%

19°

31°

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

30 AQI 5.5 µg/m³

O₃

Ground-level ozone

Dominant

31 AQI 34 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Today 31 Good 31 30

Thu 27 Good 27 17

Fri 38 Good 38 22

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 Wed Jul 22, 01:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE1119 J/kg

MLCAPE1172 J/kg

MUCAPE1275 J/kg

SBCIN-14 J/kg

MLCIN0 J/kg

Lifted Index-3.3

Kinematics

0–6 km Shear45 kt

0–1 km Shear23 kt

Eff. Shear48 kt

0–1 km SRH2

0–3 km SRH-26

Eff. SRH-26

Storm Motion242° @ 37 kt

0–1 km EHI0.0

Composite Parameters

Sig. Tornado0.0

STP (eff)0.0

Supercell0.0

K-Index31.9

Thermo & Levels

PWAT1.73 in

0–3 km LR4.9 °C/km

700–500 LR5.6 °C/km

Total Totals45.4

LCL961 hPa

LFC833 hPa

EL172 hPa

Freezing Lvl15,433 ft

Johnson County, Kentucky, United States

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