Flood Warning — Hamilton County, IN, Hancock County, IN, Madison County, IN, Marion County, IN Flood Warning — Marion County, IN Flash Flood Warning — Hendricks County, IN, Marion County, IN 2:15 PM Areal Flood Watch 11:00 PM Flood Warning — Marion County, IN, Morgan County, IN 4:00 AM Flood Warning — Marion County, IN, Morgan County, IN 8:00 AM Flood Warning — Hamilton County, IN, Marion County, IN 1:51 AM Flood Warning — Marion County, IN, Morgan County, IN 4:00 PM

Marion County, Indiana, United States

Last updated: 1:08 PM CDT  ·  Refresh
27°C
Feels like 29°
Mostly Cloudy
▲ 30°  /  ▼ 22°
Wind
5 mph SSE
Humidity
74%
Dew Point
23°
Pressure
29.30 inHg
Visibility
10 mi
UV Index
6.3
Cloud Cover
75%
Sunrise
6:56 AM
Sunset
8:40 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Marion County is currently mostly cloudy at 27°C. Precipitation is likely — peak probability 71% around 4 PM. Atmospheric instability is elevated (CAPE up to 2495 J/kg) — isolated convective development possible. Sunrise: 6:56AM · Sunset: 8:40PM.

Alerts

Flood Warning
Hamilton County, IN, Hancock County, IN, Madison County, IN, Marion County, IN
Expires
Flood Warning
Marion County, IN
Expires
Flash Flood Warning
Hendricks County, IN, Marion County, IN
Expires 2:15 PM
Areal Flood Watch
Expires 11:00 PM
Flood Warning
Marion County, IN, Morgan County, IN
Expires 4:00 AM
Flood Warning
Marion County, IN, Morgan County, IN
Expires 8:00 AM
Flood Warning
Hamilton County, IN, Marion County, IN
Expires 1:51 AM
Flood Warning
Marion County, IN, Morgan County, IN
Expires 4:00 PM
41 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
27%
3 PM
27°
52%
4 PM
28°
71%
5 PM
28°
55%
6 PM
28°
56%
7 PM
28°
42%
8 PM
27°
30%
9 PM
27°
35%
10 PM
26°
35%
11 PM
25°
35%
12 AM
24°
31%
1 AM
24°
58%
2 AM
24°
58%
3 AM
24°
59%
4 AM
24°
45%
5 AM
24°
45%
6 AM
23°
44%
7 AM
23°
44%
8 AM
23°
55%
9 AM
23°
51%
10 AM
23°
51%
11 AM
23°
48%
12 PM
23°
48%
1 PM
25°
55%
7-Day Forecast
Today
30° 22°
Mostly Cloudy with a 55% chance of rain.
Sun
30° 23°
Partly Cloudy with a 58% chance of rain.
Mon
28° 19°
Haze with a 26% chance of rain.
Tue
26° 16°
Haze.
Wed
26° 17°
Drizzle, 60% chance.
Thu
23° 16°
Clear.
Fri
24° 16°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 27° Mostly Cloudy 27% 5 mph SSE 74%
3 PM 27° Rain 52% 4 mph SSW 76%
4 PM 28° Partly Cloudy 71% 4 mph SSW 77%
5 PM 28° Overcast 55% 6 mph SW 78%
6 PM 28° Mostly Cloudy 56% 4 mph WSW 80%
7 PM 28° Mostly Cloudy 42% 3 mph WSW 84%
8 PM 27° Mostly Cloudy 30% 3 mph WNW 87%
9 PM 27° Mostly Cloudy 35% 2 mph WNW 89%
10 PM 26° Mostly Cloudy 35% 1 mph SE 92%
11 PM 25° Partly Cloudy 35% 2 mph ESE 94%
12 AM 24° Mostly Clear 31% 2 mph SE 96%
1 AM 24° Mostly Clear 58% 3 mph SE 96%
2 AM 24° Mostly Clear 58% 3 mph SSE 97%
3 AM 24° Mostly Clear 59% 4 mph S 96%
4 AM 24° Mostly Clear 45% 4 mph S 96%
5 AM 24° Mostly Clear 45% 4 mph S 96%
6 AM 23° Mostly Clear 44% 4 mph S 95%
7 AM 23° Mostly Clear 44% 5 mph SSW 94%
8 AM 23° Mostly Clear 55% 6 mph SSW 92%
9 AM 23° Partly Cloudy 51% 6 mph SW 91%
10 AM 23° Partly Cloudy 51% 7 mph WSW 90%
11 AM 23° Mostly Cloudy 48% 8 mph WSW 89%
12 PM 23° Partly Cloudy 48% 8 mph WSW 86%
1 PM 25° Mostly Cloudy 55% 9 mph WSW 82%
15-Day Forecast
Today
8/15
Mostly Cloudy
55%
22°
30°
Sun
8/16
Partly Cloudy
58%
23°
30°
Mon
8/17
Haze
26%
19°
28°
Tue
8/18
Haze
17%
16°
26°
Wed
8/19
Drizzle
60%
17°
26°
Thu
8/20
Clear
19%
16°
23°
Fri
8/21
Clear
19%
16°
24°
Sat
8/22
Drizzle
60%
16°
24°
Sun
8/23
Clear
25%
16°
25°
Mon
8/24
Drizzle
60%
17°
27°
Tue
8/25
Drizzle
60%
19°
27°
Wed
8/26
Drizzle
60%
18°
27°
Thu
8/27
Drizzle
60%
18°
27°
Fri
8/28
Drizzle
60%
17°
26°
Sat
8/29
Drizzle
60%
17°
24°
41
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
PM2.5
Fine particulate matter
Dominant
41 AQI 7.4 µg/m³
O3
Ground-level ozone
33 AQI 36 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sun 41 Good 33 41
Mon 43 Good 31 43
Tue 52 Moderate 34 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 Sat Aug 15, 16:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1713 J/kg
MLCAPE480 J/kg
MUCAPE1713 J/kg
SBCIN-41 J/kg
MLCIN-103 J/kg
Lifted Index-5.5
Kinematics
0–6 km Shear34 kt
0–1 km Shear10 kt
Eff. Shear25 kt
0–1 km SRH5
0–3 km SRH66
Eff. SRH66
Storm Motion286° @ 28 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.1
Supercell1.4
K-Index41.1
Thermo & Levels
PWAT2.19 in
0–3 km LR6.3 °C/km
700–500 LR5.5 °C/km
Total Totals48.3
LCL935 hPa
LFC814 hPa
EL149 hPa
Freezing Lvl15,302 ft