Flood Warning — Crawford County, IL, Lawrence County, IL, Knox County, IN, Sullivan County, IN Flood Warning — Crawford County, IL, Lawrence County, IL, Knox County, IN, Sullivan County, IN Areal Flood Watch 11:00 PM Heat Advisory — Sullivan, IN, Greene, IN, Monroe, IN, Brown, IN, Knox, IN, Daviess, IN, Martin, IN, Lawrence, IN, Jackson, IN 7:00 PM Flood Warning — Clark County, IL, Crawford County, IL, Sullivan County, IN, Vigo County, IN 1:00 AM

Sullivan County, Indiana, United States

Last updated: 3:48 PM CDT  ·  Refresh
31°C
Feels like 37°
Mostly Cloudy
▲ 33°  /  ▼ 23°
Wind
6 mph SSW
Humidity
64%
Dew Point
24°
Pressure
29.53 inHg
Visibility
8 mi
UV Index
6.4
Cloud Cover
61%
Sunrise
7:03 AM
Sunset
8:44 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Sullivan County is currently mostly cloudy at 31°C. Precipitation is likely — peak probability 55% around 3 PM. Atmospheric instability is elevated (CAPE up to 3197 J/kg) — isolated convective development possible. Sunrise: 7:03AM · Sunset: 8:44PM.

Alerts

Flood Warning
Crawford County, IL, Lawrence County, IL, Knox County, IN, Sullivan County, IN
Expires
Flood Warning
Crawford County, IL, Lawrence County, IL, Knox County, IN, Sullivan County, IN
Expires
Areal Flood Watch
Expires 11:00 PM
Heat Advisory
Sullivan, IN, Greene, IN, Monroe, IN, Brown, IN, Knox, IN, Daviess, IN, Martin, IN, Lawrence, IN, Jackson, IN
Expires 7:00 PM
Flood Warning
Clark County, IL, Crawford County, IL, Sullivan County, IN, Vigo County, IN
Expires 1:00 AM
39 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
12%
5 PM
31°
9%
6 PM
31°
5%
7 PM
30°
5%
8 PM
29°
8%
9 PM
28°
8%
10 PM
27°
13%
11 PM
27°
13%
12 AM
26°
13%
1 AM
26°
14%
2 AM
26°
14%
3 AM
25°
14%
4 AM
25°
18%
5 AM
24°
18%
6 AM
23°
18%
7 AM
23°
27%
8 AM
24°
27%
9 AM
24°
27%
10 AM
25°
27%
11 AM
26°
31%
12 PM
26°
30%
1 PM
26°
30%
2 PM
28°
48%
3 PM
29°
55%
7-Day Forecast
Today
33° 23°
Partly Cloudy.
Sun
29° 23°
Mostly Cloudy with a 51% chance of rain.
Mon
27° 19°
Mostly Cloudy with a 60% chance of rain.
Tue
28° 18°
Mostly Clear with a 71% chance of rain.
Wed
28° 19°
Drizzle, 60% chance.
Thu
26° 17°
Drizzle, 60% chance.
Fri
27° 17°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 31° Mostly Cloudy 12% 6 mph SSW 64%
5 PM 31° Partly Cloudy 9% 5 mph SSW 66%
6 PM 31° Partly Cloudy 5% 3 mph WSW 70%
7 PM 30° Partly Cloudy 5% 3 mph NNW 76%
8 PM 29° Clear 8% 3 mph NNE 79%
9 PM 28° Mostly Clear 8% 3 mph E 82%
10 PM 27° Clear 13% 3 mph SE 85%
11 PM 27° Clear 13% 4 mph SSE 86%
12 AM 26° Clear 13% 5 mph S 86%
1 AM 26° Clear 14% 6 mph S 87%
2 AM 26° Partly Cloudy 14% 6 mph SSW 87%
3 AM 25° Mostly Clear 14% 6 mph SSW 86%
4 AM 25° Partly Cloudy 18% 6 mph SSW 85%
5 AM 24° Partly Cloudy 18% 6 mph SW 84%
6 AM 23° Partly Cloudy 18% 6 mph SW 84%
7 AM 23° Partly Cloudy 27% 7 mph SSW 83%
8 AM 24° Mostly Cloudy 27% 6 mph SW 82%
9 AM 24° Mostly Cloudy 27% 7 mph W 80%
10 AM 25° Overcast 27% 9 mph WNW 79%
11 AM 26° Overcast 31% 8 mph W 77%
12 PM 26° Overcast 30% 7 mph W 76%
1 PM 26° Mostly Cloudy 30% 8 mph WSW 74%
2 PM 28° Mostly Cloudy 48% 8 mph WSW 74%
3 PM 29° Partly Cloudy 55% 9 mph W 74%
15-Day Forecast
Today
8/15
Partly Cloudy
13%
23°
33°
Sun
8/16
Mostly Cloudy
51%
23°
29°
Mon
8/17
Mostly Cloudy
60%
19°
27°
Tue
8/18
Mostly Clear
71%
18°
28°
Wed
8/19
Drizzle
60%
19°
28°
Thu
8/20
Drizzle
60%
17°
26°
Fri
8/21
Drizzle
60%
17°
27°
Sat
8/22
Clear
60%
17°
28°
Sun
8/23
Clear
25%
17°
28°
Mon
8/24
Clear
25%
18°
29°
Tue
8/25
Drizzle
60%
20°
29°
Wed
8/26
Drizzle
60%
18°
28°
Thu
8/27
Drizzle
60%
17°
28°
Fri
8/28
Drizzle
60%
16°
27°
Sat
8/29
Drizzle
60%
17°
29°
39
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
39 AQI 7.1 µg/m³
O3
Ground-level ozone
34 AQI 37 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sun 39 Good 34 39
Mon 40 Good 32 40
Tue 44 Good 35 44
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, 19:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2835 J/kg
MLCAPE568 J/kg
MUCAPE2835 J/kg
SBCIN-20 J/kg
MLCIN-119 J/kg
Lifted Index-6.8
Kinematics
0–6 km Shear23 kt
0–1 km Shear7 kt
Eff. Shear24 kt
0–1 km SRH32
0–3 km SRH117
Eff. SRH117
Storm Motion333° @ 17 kt
0–1 km EHI0.6
Composite Parameters
Sig. Tornado0.0
STP (eff)0.1
Supercell4.2
K-Index38.9
Thermo & Levels
PWAT2.17 in
0–3 km LR6.7 °C/km
700–500 LR6.0 °C/km
Total Totals48.4
LCL901 hPa
LFC822 hPa
EL143 hPa
Freezing Lvl15,843 ft