Flood Warning — Knox County, IN, Sullivan County, IN 1:00 AM Flood Warning — Daviess County, IN, Greene County, IN, Knox County, IN, Gibson County, IN, Pike County, IN, Posey County, IN, Sullivan County, IN, Vigo County, IN, Parke County, IN, Vermillion County, IN, Jackson County, IN, Lawrence County, IN, Washington County, IN 7:51 PM Flood Warning — Knox County, IN, Sullivan County, IN, Gibson County, IN, Posey County, IN 4:00 AM Flood Warning — Fountain County, IN, Parke County, IN, Vermillion County, IN, Warren County, IN, Knox County, IN, Sullivan County, IN, Vigo County, IN 6:01 PM Flood Warning — Knox County, IN, Sullivan County, IN, Vigo County, IN, Parke County, IN, Vermillion County, IN, Gibson County, IN, Posey County, IN 6:08 PM Flood Warning — Knox County, IN, Sullivan County, IN, Daviess County, IN, Gibson County, IN, Pike County, IN, Fountain County, IN, Parke County, IN, Vermillion County, IN, Warren County, IN, Vigo County, IN 4:00 AM

Sullivan County, Indiana, United States

Last updated: 4:55 PM CDT  ·  Refresh
24°C
Feels like 23°
Clear
▲ 25°  /  ▼ 13°
Wind
10 mph NNW
Humidity
54%
Dew Point
14°
Pressure
29.63 inHg
Visibility
10 mi
UV Index
6.9
Cloud Cover
8%
Sunrise
6:24 AM
Sunset
9:19 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Sullivan County is currently clear at 24°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:24AM · Sunset: 9:19PM.

Alerts

Flood Warning
Knox County, IN, Sullivan County, IN
Expires 1:00 AM
Flood Warning
Daviess County, IN, Greene County, IN, Knox County, IN, Gibson County, IN, Pike County, IN, Posey County, IN, Sullivan County, IN, Vigo County, IN, Parke County, IN, Vermillion County, IN, Jackson County, IN, Lawrence County, IN, Washington County, IN
Expires 7:51 PM
Flood Warning
Knox County, IN, Sullivan County, IN, Gibson County, IN, Posey County, IN
Expires 4:00 AM
Flood Warning
Fountain County, IN, Parke County, IN, Vermillion County, IN, Warren County, IN, Knox County, IN, Sullivan County, IN, Vigo County, IN
Expires 6:01 PM
Flood Warning
Knox County, IN, Sullivan County, IN, Vigo County, IN, Parke County, IN, Vermillion County, IN, Gibson County, IN, Posey County, IN
Expires 6:08 PM
Flood Warning
Knox County, IN, Sullivan County, IN, Daviess County, IN, Gibson County, IN, Pike County, IN, Fountain County, IN, Parke County, IN, Vermillion County, IN, Warren County, IN, Vigo County, IN
Expires 4:00 AM
40 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
3%
6 PM
24°
23%
7 PM
24°
23%
8 PM
23°
23%
9 PM
20°
23%
10 PM
19°
23%
11 PM
18°
23%
12 AM
17°
23%
1 AM
16°
16%
2 AM
15°
3%
3 AM
15°
3%
4 AM
14°
3%
5 AM
13°
3%
6 AM
13°
3%
7 AM
14°
3%
8 AM
17°
5%
9 AM
20°
5%
10 AM
21°
5%
11 AM
22°
10%
12 PM
23°
10%
1 PM
25°
10%
2 PM
25°
17%
3 PM
26°
29%
4 PM
26°
29%
7-Day Forecast
Today
25° 13°
Rain, 23% chance.
Wed
27° 13°
Drizzle, 47% chance.
Thu
30° 18°
Rain, 78% chance.
Fri
26° 19°
Heavy Rain, 90% chance.
Sat
29° 19°
Drizzle, 83% chance.
Sun
32° 21°
Clear with a 62% chance of rain.
Mon
33° 21°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 24° Clear 3% 10 mph NNW 54%
6 PM 24° Mostly Clear 23% 8 mph N 60%
7 PM 24° Rain 23% 5 mph N 66%
8 PM 23° Rain 23% 4 mph N 72%
9 PM 20° Rain 23% 5 mph NNE 75%
10 PM 19° Rain 23% 4 mph NNE 78%
11 PM 18° Rain 23% 4 mph NE 80%
12 AM 17° Rain 23% 3 mph NE 83%
1 AM 16° Drizzle 16% 3 mph NE 84%
2 AM 15° Mostly Cloudy 3% 2 mph ENE 84%
3 AM 15° Partly Cloudy 3% 2 mph E 85%
4 AM 14° Partly Cloudy 3% 2 mph E 86%
5 AM 13° Partly Cloudy 3% 2 mph E 86%
6 AM 13° Partly Cloudy 3% 3 mph ESE 85%
7 AM 14° Partly Cloudy 3% 2 mph ESE 85%
8 AM 17° Partly Cloudy 5% 3 mph SE 77%
9 AM 20° Partly Cloudy 5% 4 mph SSE 68%
10 AM 21° Partly Cloudy 5% 5 mph S 62%
11 AM 22° Partly Cloudy 10% 5 mph S 60%
12 PM 23° Partly Cloudy 10% 5 mph S 58%
1 PM 25° Mostly Clear 10% 5 mph SSW 56%
2 PM 25° Partly Cloudy 17% 5 mph SSW 56%
3 PM 26° Drizzle 29% 6 mph SSW 56%
4 PM 26° Drizzle 29% 6 mph SSW 56%
15-Day Forecast
Today
6/23
Rain
23%
13°
25°
Wed
6/24
Drizzle
47%
13°
27°
Thu
6/25
Rain
78%
18°
30°
Fri
6/26
Heavy Rain
90%
19°
26°
Sat
6/27
Drizzle
83%
19°
29°
Sun
6/28
Clear
62%
21°
32°
Mon
6/29
Clear
14%
21°
33°
Tue
6/30
Clear
66%
23°
33°
Wed
7/1
Clear
66%
23°
33°
Thu
7/2
Drizzle
63%
23°
33°
Fri
7/3
Drizzle
63%
23°
29°
Sat
7/4
Drizzle
66%
21°
31°
Sun
7/5
Drizzle
66%
20°
30°
Mon
7/6
Drizzle
66%
19°
29°
Tue
7/7
Drizzle
66%
19°
30°
40
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
21 AQI 3.8 µg/m³
O3
Ground-level ozone
Dominant
40 AQI 43 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 40 Good 40 21
Thu 42 Good 42 34
Fri 44 Good 44 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 Jun 23, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 90 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2 J/kg
MLCAPE0 J/kg
MUCAPE2 J/kg
SBCIN-22 J/kg
MLCIN0 J/kg
Lifted Index4.7
Kinematics
0–6 km Shear30 kt
0–1 km Shear5 kt
Eff. Shear—
0–1 km SRH-22
0–3 km SRH-41
Eff. SRH—
Storm Motion261° @ 19 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index6.6
Thermo & Levels
PWAT0.85 in
0–3 km LR6.3 °C/km
700–500 LR5.2 °C/km
Total Totals32.4
LCL854 hPa
LFC813 hPa
EL771 hPa
Freezing Lvl13,615 ft