Johnson County, Indiana, United States

Last updated: 6:27 PM CDT · Refresh

28°C

Feels like 32°

Rain

▲ 31° / ▼ 21°

Wind

8 mph W

Humidity

86%

Dew Point

24°

Pressure

29.13 inHg

Visibility

8 mi

UV Index

3.1

Cloud Cover

44%

Sunrise

6:58 AM

Sunset

8:38 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Johnson County is currently rain at 28°C. Precipitation is likely — peak probability 73% around 5 AM. Atmospheric instability is elevated (CAPE up to 2191 J/kg) — isolated convective development possible. Sunrise: 6:58AM · Sunset: 8:38PM.

39 AQI · Good Dominant: PM2.5 Air Quality

Hourly Forecast · Next 24 Hours

Now

28°

54%

8 PM

27°

69%

9 PM

26°

53%

10 PM

26°

52%

11 PM

25°

52%

12 AM

24°

52%

1 AM

23°

56%

2 AM

24°

66%

3 AM

24°

65%

4 AM

24°

71%

5 AM

22°

72%

6 AM

22°

58%

7 AM

22°

60%

8 AM

22°

60%

9 AM

22°

48%

10 AM

23°

48%

11 AM

23°

53%

12 PM

23°

49%

1 PM

24°

42%

2 PM

25°

42%

3 PM

26°

42%

4 PM

26°

37%

5 PM

26°

28%

6 PM

26°

25%

7-Day Forecast

Tonight

31° 21°

Rain, 54% chance.

Mon

26° 17°

Mostly Cloudy with a 71% chance of rain.

Tue

27° 15°

Fog.

Wed

26° 18°

Mostly Cloudy with a 60% chance of rain.

Thu

24° 16°

Drizzle, 50% chance.

Fri

24° 15°

Clear with a 33% chance of rain.

Sat

25° 14°

Clear with a 21% chance of rain.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 28° Rain 54% 8 mph W 86%

8 PM 27° Partly Cloudy 69% 6 mph W 91%

9 PM 26° Partly Cloudy 53% 5 mph WNW 93%

10 PM 26° Partly Cloudy 52% 5 mph WNW 94%

11 PM 25° Partly Cloudy 52% 5 mph WNW 95%

12 AM 24° Partly Cloudy 52% 5 mph WNW 96%

1 AM 23° Mostly Cloudy 56% 6 mph WNW 96%

2 AM 24° Overcast 66% 6 mph WNW 96%

3 AM 24° Overcast 65% 5 mph WNW 96%

4 AM 24° Overcast 71% 5 mph WNW 96%

5 AM 22° Overcast 72% 5 mph W 96%

6 AM 22° Overcast 58% 6 mph WSW 96%

7 AM 22° Overcast 60% 5 mph WSW 97%

8 AM 22° Overcast 60% 5 mph W 97%

9 AM 22° Overcast 48% 6 mph W 95%

10 AM 23° Overcast 48% 6 mph WNW 94%

11 AM 23° Overcast 53% 7 mph WNW 92%

12 PM 23° Mostly Cloudy 49% 7 mph WNW 90%

1 PM 24° Mostly Cloudy 42% 8 mph WNW 88%

2 PM 25° Mostly Cloudy 42% 8 mph NW 85%

3 PM 26° Mostly Cloudy 42% 8 mph NW 82%

4 PM 26° Rain 37% 9 mph NW 79%

5 PM 26° Rain 28% 9 mph NW 79%

6 PM 26° Partly Cloudy 25% 9 mph NW 81%

15-Day Forecast

Today

8/16

Rain

54%

21°

31°

Mon

8/17

Mostly Cloudy

71%

17°

26°

Tue

8/18

Fog

16%

15°

27°

Wed

8/19

Mostly Cloudy

60%

18°

26°

Thu

8/20

Drizzle

50%

16°

24°

Fri

8/21

Clear

33%

15°

24°

Sat

8/22

Clear

21%

14°

25°

Sun

8/23

Mostly Clear

26%

16°

24°

Mon

8/24

Drizzle

47%

13°

26°

Tue

8/25

Drizzle

47%

13°

28°

Wed

8/26

Drizzle

51%

13°

27°

Thu

8/27

Drizzle

60%

17°

26°

Fri

8/28

Drizzle

60%

16°

26°

Sat

8/29

Drizzle

60%

16°

26°

Sun

8/30

Drizzle

60%

16°

26°

Good

U.S. Air Quality Index · Dominant: PM2.5

50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today

PM_2.5

Fine particulate matter

Dominant

39 AQI 7.2 µg/m³

O₃

Ground-level ozone

30 AQI 33 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Mon 39 Good 30 39

Tue 48 Good 43 48

Wed 44 Good 44 36

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 Sun Aug 16, 22:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE3387 J/kg

MLCAPE581 J/kg

MUCAPE3387 J/kg

SBCIN-0 J/kg

MLCIN-3 J/kg

Lifted Index-7.3

Kinematics

0–6 km Shear27 kt

0–1 km Shear10 kt

Eff. Shear27 kt

0–1 km SRH-27

0–3 km SRH9

Eff. SRH9

Storm Motion310° @ 26 kt

0–1 km EHI-0.6

Composite Parameters

Sig. Tornado0.0

STP (eff)0.0

Supercell0.4

K-Index32.6

Thermo & Levels

PWAT1.80 in

0–3 km LR6.3 °C/km

700–500 LR5.7 °C/km

Total Totals43.8

LCL941 hPa

LFC986 hPa

EL147 hPa

Freezing Lvl15,446 ft

Johnson County, Indiana, United States

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