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

Marion County, Indiana, United States

Last updated: 12:00 AM CDT  ·  Refresh
24°C
Feels like 26°
Partly Cloudy
▲ 29°  /  ▼ 17°
Wind
8 mph SW
Humidity
90%
Dew Point
22°
Pressure
28.93 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
40%
Sunrise
6:40 AM
Sunset
9:01 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Marion County is currently partly cloudy at 24°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1438 J/kg) — isolated convective development possible. Sunrise: 6:40AM · Sunset: 9:01PM.

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°
28%
1 AM
24°
38%
2 AM
25°
31%
3 AM
25°
17%
4 AM
25°
34%
5 AM
24°
5%
6 AM
23°
6%
7 AM
24°
6%
8 AM
24°
6%
9 AM
24°
6%
10 AM
23°
6%
11 AM
24°
7%
12 PM
25°
7%
1 PM
27°
7%
2 PM
28°
7%
3 PM
28°
7%
4 PM
28°
7%
5 PM
27°
7%
6 PM
26°
3%
7 PM
25°
3%
8 PM
24°
3%
9 PM
23°
3%
10 PM
22°
3%
11 PM
21°
3%
7-Day Forecast
Today
29° 17°
Mostly Cloudy with a 28% chance of rain.
Wed
29° 17°
Haze.
Thu
30° 17°
Clear with a 28% chance of rain.
Fri
24° 17°
Mostly Clear with a 30% chance of rain.
Sat
23° 16°
Rain, 71% chance.
Sun
26° 17°
Drizzle, 52% chance.
Mon
27° 17°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 23° Partly Cloudy 28% 8 mph SW 90%
1 AM 24° Mostly Clear 38% 8 mph SW 88%
2 AM 25° Partly Cloudy 31% 9 mph WSW 87%
3 AM 25° Mostly Clear 17% 9 mph WSW 86%
4 AM 25° Mostly Clear 34% 9 mph WSW 85%
5 AM 24° Partly Cloudy 5% 8 mph W 86%
6 AM 23° Mostly Cloudy 6% 7 mph WNW 88%
7 AM 24° Partly Cloudy 6% 8 mph NW 89%
8 AM 24° Mostly Cloudy 6% 9 mph NNW 89%
9 AM 24° Mostly Cloudy 6% 10 mph NNW 87%
10 AM 23° Overcast 6% 10 mph NNW 84%
11 AM 24° Overcast 7% 10 mph NNW 80%
12 PM 25° Mostly Cloudy 7% 10 mph NNW 75%
1 PM 27° Mostly Cloudy 7% 10 mph NNW 70%
2 PM 28° Mostly Cloudy 7% 10 mph NNW 68%
3 PM 28° Partly Cloudy 7% 10 mph NNW 66%
4 PM 28° Partly Cloudy 7% 10 mph NNW 64%
5 PM 27° Partly Cloudy 7% 10 mph NNW 66%
6 PM 26° Partly Cloudy 3% 10 mph NNW 68%
7 PM 25° Mostly Clear 3% 9 mph NNW 71%
8 PM 24° Mostly Clear 3% 9 mph NNW 73%
9 PM 23° Mostly Clear 3% 9 mph NNW 75%
10 PM 22° Mostly Clear 3% 8 mph NNW 77%
11 PM 21° Mostly Clear 3% 8 mph NNW 78%
15-Day Forecast
Today
7/28
Mostly Cloudy
28%
17°
29°
Wed
7/29
Haze
3%
17°
29°
Thu
7/30
Clear
28%
17°
30°
Fri
7/31
Mostly Clear
30%
17°
24°
Sat
8/1
Rain
71%
16°
23°
Sun
8/2
Drizzle
52%
17°
26°
Mon
8/3
Clear
17%
17°
27°
Tue
8/4
Drizzle
43%
18°
29°
Wed
8/5
Rain
68%
20°
29°
Thu
8/6
Drizzle
51%
19°
31°
Fri
8/7
Drizzle
60%
18°
31°
Sat
8/8
Drizzle
60%
18°
27°
Sun
8/9
Drizzle
60%
18°
28°
Mon
8/10
Drizzle
60%
19°
28°
Tue
8/11
Drizzle
60%
19°
28°
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 10.1 µg/m³
O3
Ground-level ozone
43 AQI 46 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 53 Moderate 43 53
Wed 41 Good 41 34
Thu 39 Good 39 34
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 80 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE688 J/kg
MLCAPE1371 J/kg
MUCAPE2407 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-3.0
Kinematics
0–6 km Shear49 kt
0–1 km Shear32 kt
Eff. Shear53 kt
0–1 km SRH252
0–3 km SRH257
Eff. SRH257
Storm Motion282° @ 37 kt
0–1 km EHI1.1
Composite Parameters
Sig. Tornado1.8
STP (eff)1.9
Supercell16.7
K-Index23.4
Thermo & Levels
PWAT1.69 in
0–3 km LR3.6 °C/km
700–500 LR7.1 °C/km
Total Totals49.9
LCL961 hPa
LFC980 hPa
EL243 hPa
Freezing Lvl15,656 ft