Areal Flood Advisory — Hamilton County, IN, Johnson County, IN, Marion County, IN, Shelby County, IN 1:00 AM

Johnson County, Indiana, United States

Last updated: 11:57 PM CDT  ·  Refresh
23°C
Feels like 26°
Partly Cloudy
▲ 28°  /  ▼ 16°
Wind
7 mph SW
Humidity
94%
Dew Point
22°
Pressure
28.91 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
58%
Sunrise
6:40 AM
Sunset
9:00 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Johnson County is currently partly cloudy at 23°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1768 J/kg) — isolated convective development possible. Sunrise: 6:40AM · Sunset: 9:00PM.

Alerts

Areal Flood Advisory
Hamilton County, IN, Johnson County, IN, Marion County, IN, Shelby County, IN
Expires 1:00 AM
53 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
22%
1 AM
25°
32%
2 AM
25°
28%
3 AM
25°
28%
4 AM
25°
13%
5 AM
23°
6%
6 AM
23°
3%
7 AM
23°
3%
8 AM
24°
3%
9 AM
24°
5%
10 AM
24°
3%
11 AM
25°
5%
12 PM
26°
5%
1 PM
27°
5%
2 PM
28°
5%
3 PM
28°
5%
4 PM
28°
3%
5 PM
28°
3%
6 PM
27°
3%
7 PM
27°
3%
8 PM
26°
3%
9 PM
23°
3%
10 PM
22°
3%
11 PM
22°
3%
7-Day Forecast
Today
28° 16°
Mostly Cloudy with a 28% chance of rain.
Wed
28° 16°
Fog.
Thu
30° 16°
Clear with a 28% chance of rain.
Fri
24° 18°
Mostly Cloudy with a 30% chance of rain.
Sat
23° 17°
Rain, 90% chance.
Sun
26° 17°
Rain, 64% chance.
Mon
27° 17°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 23° Partly Cloudy 22% 7 mph SW 94%
1 AM 25° Mostly Clear 32% 10 mph SW 93%
2 AM 25° Partly Cloudy 28% 11 mph WSW 92%
3 AM 25° Partly Cloudy 28% 10 mph WSW 90%
4 AM 25° Partly Cloudy 13% 11 mph WSW 89%
5 AM 23° Mostly Cloudy 6% 10 mph W 90%
6 AM 23° Mostly Cloudy 3% 10 mph W 92%
7 AM 23° Mostly Cloudy 3% 10 mph WNW 94%
8 AM 24° Partly Cloudy 3% 11 mph NW 91%
9 AM 24° Mostly Cloudy 5% 10 mph NNW 88%
10 AM 24° Overcast 3% 12 mph NNW 85%
11 AM 25° Overcast 5% 12 mph NNW 81%
12 PM 26° Mostly Cloudy 5% 12 mph NNW 78%
1 PM 27° Partly Cloudy 5% 11 mph NNW 74%
2 PM 28° Partly Cloudy 5% 11 mph NNW 72%
3 PM 28° Partly Cloudy 5% 12 mph NNW 71%
4 PM 28° Partly Cloudy 3% 12 mph NNW 70%
5 PM 28° Partly Cloudy 3% 12 mph NNW 72%
6 PM 27° Partly Cloudy 3% 11 mph NNW 74%
7 PM 27° Partly Cloudy 3% 11 mph NNW 76%
8 PM 26° Mostly Clear 3% 10 mph NNW 79%
9 PM 23° Mostly Clear 3% 9 mph NNW 82%
10 PM 22° Mostly Clear 3% 9 mph NNW 84%
11 PM 22° Mostly Clear 3% 8 mph NNW 85%
15-Day Forecast
Today
7/28
Mostly Cloudy
28%
16°
28°
Wed
7/29
Fog
3%
16°
28°
Thu
7/30
Clear
28%
16°
30°
Fri
7/31
Mostly Cloudy
30%
18°
24°
Sat
8/1
Rain
90%
17°
23°
Sun
8/2
Rain
64%
17°
26°
Mon
8/3
Clear
17%
17°
27°
Tue
8/4
Drizzle
43%
18°
29°
Wed
8/5
Rain
68%
20°
30°
Thu
8/6
Drizzle
51%
19°
31°
Fri
8/7
Drizzle
60%
18°
32°
Sat
8/8
Drizzle
60%
18°
28°
Sun
8/9
Drizzle
60%
18°
29°
Mon
8/10
Drizzle
60%
19°
29°
Tue
8/11
Drizzle
60%
19°
29°
53
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
53 AQI 10.0 µg/m³
O3
Ground-level ozone
38 AQI 42 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 53 Moderate 38 53
Wed 44 Good 44 39
Thu 39 Good 39 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. 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 Jul 28, 03:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE704 J/kg
MLCAPE1381 J/kg
MUCAPE2620 J/kg
SBCIN-328 J/kg
MLCIN0 J/kg
Lifted Index-3.2
Kinematics
0–6 km Shear47 kt
0–1 km Shear29 kt
Eff. Shear59 kt
0–1 km SRH238
0–3 km SRH263
Eff. SRH101
Storm Motion284° @ 37 kt
0–1 km EHI1.1
Composite Parameters
Sig. Tornado1.7
STP (eff)0.0
Supercell8.0
K-Index29.4
Thermo & Levels
PWAT1.75 in
0–3 km LR3.6 °C/km
700–500 LR7.0 °C/km
Total Totals49.0
LCL966 hPa
LFC627 hPa
EL243 hPa
Freezing Lvl15,499 ft