Heat Advisory — Carroll, IN, Warren, IN, Tippecanoe, IN, Clinton, IN, Howard, IN, Fountain, IN, Montgomery, IN, Boone, IN, Tipton, IN, Hamilton, IN, Madison, IN, Delaware, IN, Randolph, IN, Vermillion, IN, Parke, IN, Putnam, IN, Hendricks, IN, Marion, IN, Hancock, IN, Henry, IN, Vigo, IN, Clay, IN, Owen, IN, Morgan, IN, Johnson, IN, Shelby, IN, Rush, IN, Sullivan, IN, Greene, IN, Monroe, IN, Brown, IN, Bartholomew, IN, Decatur, IN, Knox, IN, Daviess, IN, Martin, IN, Lawrence, IN, Jackson, IN, Jennings, IN 7:00 PM Excessive Heat Warning — Carroll, IN, Warren, IN, Tippecanoe, IN, Clinton, IN, Howard, IN, Fountain, IN, Montgomery, IN, Boone, IN, Tipton, IN, Hamilton, IN, Madison, IN, Delaware, IN, Randolph, IN, Vermillion, IN, Parke, IN, Putnam, IN, Hendricks, IN, Marion, IN, Hancock, IN, Henry, IN, Vigo, IN, Clay, IN, Owen, IN, Morgan, IN, Johnson, IN, Shelby, IN, Rush, IN, Sullivan, IN, Greene, IN, Monroe, IN, Brown, IN, Bartholomew, IN, Decatur, IN, Knox, IN, Daviess, IN, Martin, IN, Lawrence, IN, Jackson, IN, Jennings, IN 7:00 PM

Johnson County, Indiana, United States

Last updated: 4:43 PM CDT  ·  Refresh
32°C
Feels like 39°
Mostly Clear
▲ 32°  /  ▼ 22°
Wind
10 mph SSW
Humidity
67%
Dew Point
24°
Pressure
29.21 inHg
Visibility
10 mi
UV Index
7.0
Cloud Cover
20%
Sunrise
6:20 AM
Sunset
9:15 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Johnson County is currently mostly clear at 32°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3629 J/kg) — isolated convective development possible. Sunrise: 6:20AM · Sunset: 9:15PM.

Alerts

Heat Advisory
Carroll, IN, Warren, IN, Tippecanoe, IN, Clinton, IN, Howard, IN, Fountain, IN, Montgomery, IN, Boone, IN, Tipton, IN, Hamilton, IN, Madison, IN, Delaware, IN, Randolph, IN, Vermillion, IN, Parke, IN, Putnam, IN, Hendricks, IN, Marion, IN, Hancock, IN, Henry, IN, Vigo, IN, Clay, IN, Owen, IN, Morgan, IN, Johnson, IN, Shelby, IN, Rush, IN, Sullivan, IN, Greene, IN, Monroe, IN, Brown, IN, Bartholomew, IN, Decatur, IN, Knox, IN, Daviess, IN, Martin, IN, Lawrence, IN, Jackson, IN, Jennings, IN
Expires 7:00 PM
Excessive Heat Warning
Carroll, IN, Warren, IN, Tippecanoe, IN, Clinton, IN, Howard, IN, Fountain, IN, Montgomery, IN, Boone, IN, Tipton, IN, Hamilton, IN, Madison, IN, Delaware, IN, Randolph, IN, Vermillion, IN, Parke, IN, Putnam, IN, Hendricks, IN, Marion, IN, Hancock, IN, Henry, IN, Vigo, IN, Clay, IN, Owen, IN, Morgan, IN, Johnson, IN, Shelby, IN, Rush, IN, Sullivan, IN, Greene, IN, Monroe, IN, Brown, IN, Bartholomew, IN, Decatur, IN, Knox, IN, Daviess, IN, Martin, IN, Lawrence, IN, Jackson, IN, Jennings, IN
Expires 7:00 PM
63 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
32°
3%
6 PM
32°
23%
7 PM
31°
23%
8 PM
30°
23%
9 PM
28°
23%
10 PM
27°
23%
11 PM
26°
23%
12 AM
26°
16%
1 AM
26°
16%
2 AM
25°
3%
3 AM
24°
3%
4 AM
24°
3%
5 AM
24°
3%
6 AM
22°
3%
7 AM
23°
3%
8 AM
25°
3%
9 AM
27°
3%
10 AM
28°
3%
11 AM
28°
5%
12 PM
30°
5%
1 PM
31°
5%
2 PM
32°
5%
3 PM
32°
5%
4 PM
32°
6%
7-Day Forecast
Today
32° 22°
Mostly Clear with a 23% chance of rain.
Wed
34° 22°
Clear.
Thu
35° 24°
Mostly Clear.
Fri
33° 23°
Mostly Clear with a 71% chance of rain.
Sat
31° 21°
Drizzle, 60% chance.
Sun
31° 22°
Drizzle, 60% chance.
Mon
31° 21°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 32° Mostly Clear 3% 10 mph SSW 67%
6 PM 32° Mostly Clear 23% 9 mph SW 69%
7 PM 31° Clear 23% 8 mph SW 74%
8 PM 30° Clear 23% 7 mph SW 79%
9 PM 28° Clear 23% 6 mph SW 83%
10 PM 27° Clear 23% 6 mph SSW 86%
11 PM 26° Clear 23% 6 mph SSW 87%
12 AM 26° Clear 16% 6 mph SSW 89%
1 AM 26° Clear 16% 6 mph SSW 90%
2 AM 25° Clear 3% 6 mph SW 91%
3 AM 24° Clear 3% 6 mph SW 92%
4 AM 24° Clear 3% 5 mph SW 93%
5 AM 24° Clear 3% 5 mph SW 93%
6 AM 22° Clear 3% 5 mph SSW 93%
7 AM 23° Clear 3% 5 mph SSW 92%
8 AM 25° Clear 3% 6 mph SW 87%
9 AM 27° Clear 3% 6 mph SW 81%
10 AM 28° Clear 3% 7 mph WSW 75%
11 AM 28° Clear 5% 7 mph WSW 71%
12 PM 30° Clear 5% 7 mph WSW 69%
1 PM 31° Clear 5% 7 mph SW 66%
2 PM 32° Clear 5% 7 mph SW 64%
3 PM 32° Clear 5% 7 mph SW 64%
4 PM 32° Clear 6% 8 mph SW 63%
15-Day Forecast
Today
6/30
Mostly Clear
23%
22°
32°
Wed
7/1
Clear
5%
22°
34°
Thu
7/2
Mostly Clear
16%
24°
35°
Fri
7/3
Mostly Clear
71%
23°
33°
Sat
7/4
Drizzle
60%
21°
31°
Sun
7/5
Drizzle
60%
22°
31°
Mon
7/6
Drizzle
60%
21°
31°
Tue
7/7
Overcast
60%
20°
29°
Wed
7/8
Drizzle
60%
19°
29°
Thu
7/9
Thunderstorm
60%
20°
29°
Fri
7/10
Drizzle
60%
19°
28°
Sat
7/11
Drizzle
60%
19°
28°
Sun
7/12
Drizzle
60%
18°
28°
Mon
7/13
Drizzle
60%
18°
27°
Tue
7/14
Drizzle
60%
18°
27°
63
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
63 AQI 15.5 µg/m³
O3
Ground-level ozone
31 AQI 35 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 63 Moderate 31 63
Thu 57 Moderate 30 57
Fri 52 Moderate 32 52
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 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Tue Jun 30, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE4178 J/kg
MLCAPE2638 J/kg
MUCAPE4178 J/kg
SBCIN-0 J/kg
MLCIN0 J/kg
Lifted Index-8.4
Kinematics
0–6 km Shear7 kt
0–1 km Shear6 kt
Eff. Shear9 kt
0–1 km SRH-0
0–3 km SRH-58
Eff. SRH-58
Storm Motion227° @ 28 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index18.8
Thermo & Levels
PWAT1.45 in
0–3 km LR6.3 °C/km
700–500 LR7.1 °C/km
Total Totals41.8
LCL882 hPa
LFC961 hPa
EL140 hPa
Freezing Lvl15,098 ft