Areal Flood Warning — Boone County, IN, INC063, Marion County, IN 10:45 AM Flood Warning — Hamilton County, IN, Hancock County, IN, Madison County, IN, Marion County, IN 10:00 PM Areal Flood Watch 11:00 PM Flood Warning — Marion County, IN 2:04 AM Flood Warning — Marion County, IN, Morgan County, IN 8:42 AM Flood Warning — Hamilton County, IN, Marion County, IN 5:00 AM Flood Warning — Marion County, IN, Morgan County, IN 1:00 PM Flood Warning — Marion County, IN, Morgan County, IN 7:00 PM

Marion County, Indiana, United States

Last updated: 8:37 AM CDT  ·  Refresh
24°C
Feels like 27°
Overcast
▲ 29°  /  ▼ 22°
Wind
5 mph SE
Humidity
89%
Dew Point
22°
Pressure
29.31 inHg
Visibility
8 mi
UV Index
2.0
Cloud Cover
97%
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 overcast at 24°C. Precipitation is likely — peak probability 74% around 12 PM. Atmospheric instability is elevated (CAPE up to 2425 J/kg) — isolated convective development possible. Sunrise: 6:56AM · Sunset: 8:40PM.

41 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
47%
10 AM
23°
36%
11 AM
24°
50%
12 PM
24°
73%
1 PM
25°
55%
2 PM
27°
45%
3 PM
28°
50%
4 PM
29°
48%
5 PM
28°
40%
6 PM
28°
54%
7 PM
27°
58%
8 PM
27°
58%
9 PM
26°
41%
10 PM
25°
38%
11 PM
24°
41%
12 AM
24°
38%
1 AM
24°
44%
2 AM
24°
41%
3 AM
24°
32%
4 AM
24°
33%
5 AM
24°
35%
6 AM
23°
40%
7 AM
23°
39%
8 AM
23°
45%
7-Day Forecast
Today
29° 22°
Rain, 73% chance.
Sun
30° 23°
Partly Cloudy with a 50% chance of rain.
Mon
27° 18°
Partly Cloudy with a 35% chance of rain.
Tue
26° 14°
Partly Cloudy.
Wed
26° 17°
Drizzle, 69% chance.
Thu
23° 17°
Rain, 29% chance.
Fri
24° 16°
Rain, 28% chance.
TimeTempConditionsPrecipWindHumidity
Now 24° Overcast 47% 5 mph SE 89%
10 AM 23° Overcast 36% 5 mph SE 87%
11 AM 24° Overcast 50% 4 mph SE 85%
12 PM 24° Rain 73% 2 mph SSE 85%
1 PM 25° Overcast 55% 5 mph SSE 84%
2 PM 27° Overcast 45% 6 mph SSE 80%
3 PM 28° Mostly Cloudy 50% 6 mph SSW 77%
4 PM 29° Mostly Cloudy 48% 6 mph SW 74%
5 PM 28° Mostly Cloudy 40% 6 mph SW 76%
6 PM 28° Mostly Cloudy 54% 5 mph SW 81%
7 PM 27° Mostly Cloudy 58% 5 mph SW 85%
8 PM 27° Mostly Cloudy 58% 4 mph SSW 89%
9 PM 26° Partly Cloudy 41% 4 mph S 92%
10 PM 25° Haze 38% 4 mph SSE 94%
11 PM 24° Haze 41% 4 mph SSE 95%
12 AM 24° Fog 38% 4 mph SSE 95%
1 AM 24° Fog 44% 5 mph S 95%
2 AM 24° Mostly Cloudy 41% 5 mph S 95%
3 AM 24° Mostly Cloudy 32% 5 mph S 95%
4 AM 24° Mostly Cloudy 33% 5 mph S 95%
5 AM 24° Partly Cloudy 35% 5 mph SSW 93%
6 AM 23° Partly Cloudy 40% 5 mph SSW 91%
7 AM 23° Partly Cloudy 39% 5 mph SW 88%
8 AM 23° Partly Cloudy 45% 5 mph SW 86%
15-Day Forecast
Today
8/15
Rain
73%
22°
29°
Sun
8/16
Partly Cloudy
50%
23°
30°
Mon
8/17
Partly Cloudy
35%
18°
27°
Tue
8/18
Partly Cloudy
14%
14°
26°
Wed
8/19
Drizzle
69%
17°
26°
Thu
8/20
Rain
29%
17°
23°
Fri
8/21
Rain
28%
16°
24°
Sat
8/22
Clear
18%
16°
24°
Sun
8/23
Clear
19%
17°
26°
Mon
8/24
Drizzle
51%
18°
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, 11:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE312 J/kg
MLCAPE702 J/kg
MUCAPE1549 J/kg
SBCIN-103 J/kg
MLCIN-58 J/kg
Lifted Index-2.4
Kinematics
0–6 km Shear21 kt
0–1 km Shear20 kt
Eff. Shear16 kt
0–1 km SRH137
0–3 km SRH156
Eff. SRH156
Storm Motion280° @ 22 kt
0–1 km EHI0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index36.2
Thermo & Levels
PWAT2.23 in
0–3 km LR4.8 °C/km
700–500 LR5.8 °C/km
Total Totals47.9
LCL965 hPa
LFC788 hPa
EL315 hPa
Freezing Lvl15,318 ft