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 — Sullivan County, IN, Vigo County, IN, Knox County, IN, Tippecanoe County, IN, Fountain County, IN, Parke County, IN, Vermillion County, IN, Warren County, IN, Carroll County, IN, White County, IN 1:00 AM

Sullivan County, Indiana, United States

Last updated: 1:39 PM CDT  ·  Refresh
30°C
Feels like 35°
Mostly Cloudy
▲ 32°  /  ▼ 23°
Wind
5 mph SSE
Humidity
68%
Dew Point
24°
Pressure
29.55 inHg
Visibility
8 mi
UV Index
7.5
Cloud Cover
63%
Sunrise
7:03 AM
Sunset
8:44 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Sullivan County is currently mostly cloudy at 30°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3067 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
Sullivan County, IN, Vigo County, IN, Knox County, IN, Tippecanoe County, IN, Fountain County, IN, Parke County, IN, Vermillion County, IN, Warren County, IN, Carroll County, IN, White County, IN
Expires 1:00 AM
39 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
30°
20%
3 PM
29°
25%
4 PM
30°
25%
5 PM
29°
25%
6 PM
31°
8%
7 PM
29°
8%
8 PM
29°
8%
9 PM
28°
8%
10 PM
27°
13%
11 PM
27°
14%
12 AM
26°
14%
1 AM
26°
14%
2 AM
26°
15%
3 AM
25°
15%
4 AM
25°
15%
5 AM
25°
27%
6 AM
23°
27%
7 AM
23°
23%
8 AM
24°
27%
9 AM
24°
27%
10 AM
25°
27%
11 AM
25°
31%
12 PM
26°
37%
1 PM
26°
30%
7-Day Forecast
Today
32° 23°
Partly Cloudy with a 25% chance of rain.
Sun
31° 23°
Mostly Cloudy with a 51% chance of rain.
Mon
27° 19°
Mostly Cloudy with a 63% chance of rain.
Tue
28° 18°
Mostly Cloudy with a 62% chance of rain.
Wed
29° 19°
Drizzle, 60% chance.
Thu
26° 17°
Drizzle, 60% chance.
Fri
27° 16°
Drizzle, 50% chance.
TimeTempConditionsPrecipWindHumidity
Now 30° Mostly Cloudy 20% 5 mph SSE 68%
3 PM 29° Mostly Cloudy 25% 5 mph SSW 68%
4 PM 30° Partly Cloudy 25% 6 mph SW 68%
5 PM 29° Partly Cloudy 25% 5 mph SW 70%
6 PM 31° Partly Cloudy 8% 4 mph SW 74%
7 PM 29° Partly Cloudy 8% 3 mph W 77%
8 PM 29° Partly Cloudy 8% 2 mph NW 81%
9 PM 28° Mostly Clear 8% 2 mph ESE 84%
10 PM 27° Mostly Clear 13% 3 mph SE 86%
11 PM 27° Clear 14% 4 mph SSE 87%
12 AM 26° Clear 14% 5 mph S 88%
1 AM 26° Clear 14% 6 mph S 88%
2 AM 26° Clear 15% 6 mph S 88%
3 AM 25° Clear 15% 6 mph SSW 87%
4 AM 25° Mostly Clear 15% 6 mph SSW 86%
5 AM 25° Partly Cloudy 27% 7 mph SW 85%
6 AM 23° Partly Cloudy 27% 7 mph SW 84%
7 AM 23° Partly Cloudy 23% 6 mph SW 84%
8 AM 24° Mostly Cloudy 27% 7 mph WSW 84%
9 AM 24° Mostly Cloudy 27% 7 mph W 83%
10 AM 25° Overcast 27% 8 mph W 83%
11 AM 25° Overcast 31% 8 mph W 81%
12 PM 26° Overcast 37% 7 mph W 80%
1 PM 26° Mostly Cloudy 30% 7 mph WSW 78%
15-Day Forecast
Today
8/15
Partly Cloudy
25%
23°
32°
Sun
8/16
Mostly Cloudy
51%
23°
31°
Mon
8/17
Mostly Cloudy
63%
19°
27°
Tue
8/18
Mostly Cloudy
62%
18°
28°
Wed
8/19
Drizzle
60%
19°
29°
Thu
8/20
Drizzle
60%
17°
26°
Fri
8/21
Drizzle
50%
16°
27°
Sat
8/22
Clear
60%
17°
27°
Sun
8/23
Clear
25%
16°
27°
Mon
8/24
Drizzle
60%
18°
29°
Tue
8/25
Drizzle
60%
20°
30°
Wed
8/26
Drizzle
60%
19°
31°
Thu
8/27
Drizzle
60%
19°
31°
Fri
8/28
Clear
60%
19°
30°
Sat
8/29
Clear
60%
18°
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, 17:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2415 J/kg
MLCAPE647 J/kg
MUCAPE2415 J/kg
SBCIN-32 J/kg
MLCIN-138 J/kg
Lifted Index-6.1
Kinematics
0–6 km Shear29 kt
0–1 km Shear10 kt
Eff. Shear27 kt
0–1 km SRH21
0–3 km SRH103
Eff. SRH103
Storm Motion301° @ 25 kt
0–1 km EHI0.3
Composite Parameters
Sig. Tornado0.2
STP (eff)0.1
Supercell3.4
K-Index36.4
Thermo & Levels
PWAT2.12 in
0–3 km LR6.4 °C/km
700–500 LR5.9 °C/km
Total Totals45.8
LCL913 hPa
LFC816 hPa
EL147 hPa
Freezing Lvl15,502 ft