Johnson County, Kentucky, United States

Last updated: 8:34 PM CDT · Refresh

24°C

Feels like 27°

Mostly Cloudy

▲ 30° / ▼ 20°

Wind

7 mph SW

Humidity

93%

Dew Point

22°

Pressure

28.88 inHg

Visibility

10 mi

UV Index

0.0

Cloud Cover

76%

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 mostly cloudy at 24°C. Precipitation is likely — peak probability 54% around 8 AM. Atmospheric instability is elevated (CAPE up to 827 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°

49%

10 PM

23°

42%

11 PM

23°

32%

12 AM

22°

32%

1 AM

22°

28%

2 AM

22°

19%

3 AM

22°

29%

4 AM

22°

29%

5 AM

20°

53%

6 AM

20°

53%

7 AM

21°

53%

8 AM

21°

54%

9 AM

22°

41%

10 AM

22°

42%

11 AM

23°

33%

12 PM

24°

24%

1 PM

26°

14%

2 PM

26°

3 PM

26°

4 PM

27°

5 PM

27°

6 PM

26°

7 PM

25°

8 PM

24°

7-Day Forecast

Tonight

30° 20°

Mostly Cloudy with a 49% chance of rain.

Wed

27° 17°

Mostly Cloudy with a 53% chance of rain.

Thu

28° 14°

Clear.

Fri

28° 16°

Overcast with a 44% chance of rain.

Sat

31° 18°

Drizzle, 50% chance.

Sun

33° 19°

Drizzle, 70% chance.

Mon

35° 21°

Thunderstorm, 71% chance.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 24° Mostly Cloudy 49% 7 mph SW 93%

10 PM 23° Overcast 42% 6 mph SW 93%

11 PM 23° Mostly Cloudy 32% 5 mph SW 94%

12 AM 22° Partly Cloudy 32% 5 mph WSW 94%

1 AM 22° Partly Cloudy 28% 5 mph WSW 95%

2 AM 22° Partly Cloudy 19% 5 mph W 95%

3 AM 22° Mostly Cloudy 29% 4 mph W 95%

4 AM 22° Mostly Cloudy 29% 4 mph W 95%

5 AM 20° Partly Cloudy 53% 4 mph WNW 95%

6 AM 20° Partly Cloudy 53% 4 mph WNW 95%

7 AM 21° Mostly Cloudy 53% 4 mph NW 95%

8 AM 21° Mostly Cloudy 54% 4 mph NNW 92%

9 AM 22° Mostly Cloudy 41% 4 mph NNW 87%

10 AM 22° Mostly Cloudy 42% 4 mph NNW 84%

11 AM 23° Mostly Cloudy 33% 5 mph NNW 79%

12 PM 24° Mostly Cloudy 24% 5 mph NNW 72%

1 PM 26° Partly Cloudy 14% 6 mph NNW 66%

2 PM 26° Partly Cloudy 9% 6 mph NNW 62%

3 PM 26° Partly Cloudy 9% 6 mph NNW 60%

4 PM 27° Partly Cloudy 5% 6 mph NNW 59%

5 PM 27° Partly Cloudy 5% 6 mph NNW 59%

6 PM 26° Partly Cloudy 5% 7 mph NNW 61%

7 PM 25° Partly Cloudy 3% 7 mph N 62%

8 PM 24° Mostly Cloudy 3% 7 mph N 63%

15-Day Forecast

Today

7/21

Mostly Cloudy

49%

20°

30°

Wed

7/22

Mostly Cloudy

53%

17°

27°

Thu

7/23

Clear

14°

28°

Fri

7/24

Overcast

44%

16°

28°

Sat

7/25

Drizzle

50%

18°

31°

Sun

7/26

Drizzle

70%

19°

33°

Mon

7/27

Thunderstorm

71%

21°

35°

Tue

7/28

Drizzle

63%

18°

36°

Wed

7/29

Drizzle

69%

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 Tue Jul 21, 23:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE591 J/kg

MLCAPE1091 J/kg

MUCAPE1282 J/kg

SBCIN-27 J/kg

MLCIN0 J/kg

Lifted Index-2.5

Kinematics

0–6 km Shear43 kt

0–1 km Shear27 kt

Eff. Shear45 kt

0–1 km SRH-26

0–3 km SRH-29

Eff. SRH-29

Storm Motion243° @ 39 kt

0–1 km EHI-0.1

Composite Parameters

Sig. Tornado0.0

STP (eff)0.0

Supercell0.0

K-Index38.7

Thermo & Levels

PWAT2.08 in

0–3 km LR5.1 °C/km

700–500 LR5.5 °C/km

Total Totals46.5

LCL951 hPa

LFC828 hPa

EL191 hPa

Freezing Lvl15,082 ft

Johnson County, Kentucky, United States

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