Flood Warning — Knox County, IN, Sullivan County, IN, Gibson County, IN, Posey County, IN, Daviess County, IN, Pike County, IN 9:00 PM 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 — Gibson County, IN, Knox County, IN, Posey County, IN, Daviess County, IN, Pike County, IN, Sullivan County, IN 1:00 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: 9:25 PM CDT  ·  Refresh
22°C
Feels like 23°
Mostly Cloudy
▲ 27°  /  ▼ 13°
Wind
6 mph S
Humidity
74%
Dew Point
17°
Pressure
29.49 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
84%
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 mostly cloudy at 22°C. Precipitation is likely — peak probability 72% around 7 PM. Atmospheric instability is elevated (CAPE up to 1975 J/kg) — isolated convective development possible. Sunrise: 6:24AM · Sunset: 9:19PM.

Alerts

Flood Warning
Knox County, IN, Sullivan County, IN, Gibson County, IN, Posey County, IN, Daviess County, IN, Pike County, IN
Expires 9:00 PM
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
Gibson County, IN, Knox County, IN, Posey County, IN, Daviess County, IN, Pike County, IN, Sullivan County, IN
Expires 1:00 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
39 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
22°
8%
11 PM
21°
34%
12 AM
21°
34%
1 AM
20°
34%
2 AM
19°
15%
3 AM
18°
20%
4 AM
18°
20%
5 AM
18°
23%
6 AM
17°
28%
7 AM
18°
32%
8 AM
19°
32%
9 AM
21°
35%
10 AM
24°
27%
11 AM
26°
53%
12 PM
27°
57%
1 PM
27°
57%
2 PM
28°
66%
3 PM
28°
67%
4 PM
27°
71%
5 PM
27°
71%
6 PM
26°
71%
7 PM
26°
71%
8 PM
25°
61%
9 PM
24°
62%
7-Day Forecast
Tonight
27° 13°
Mostly Cloudy.
Thu
29° 17°
Drizzle, 71% chance.
Fri
27° 19°
Heavy Rain, 90% chance.
Sat
28° 18°
Rain, 80% chance.
Sun
32° 19°
Clear with a 60% chance of rain.
Mon
33° 22°
Clear.
Tue
33° 23°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 22° Mostly Cloudy 8% 6 mph S 74%
11 PM 21° Mostly Cloudy 34% 6 mph S 74%
12 AM 21° Rain 34% 7 mph S 76%
1 AM 20° Rain 34% 6 mph S 78%
2 AM 19° Partly Cloudy 15% 6 mph SSW 80%
3 AM 18° Partly Cloudy 20% 6 mph SSW 82%
4 AM 18° Partly Cloudy 20% 7 mph SSW 82%
5 AM 18° Drizzle 23% 6 mph SSW 83%
6 AM 17° Drizzle 28% 6 mph SSW 85%
7 AM 18° Drizzle 32% 6 mph SW 87%
8 AM 19° Drizzle 32% 6 mph SW 86%
9 AM 21° Drizzle 35% 6 mph SW 83%
10 AM 24° Drizzle 27% 7 mph WSW 80%
11 AM 26° Drizzle 53% 7 mph WSW 76%
12 PM 27° Drizzle 57% 7 mph WSW 73%
1 PM 27° Drizzle 57% 7 mph WSW 70%
2 PM 28° Drizzle 66% 7 mph SW 69%
3 PM 28° Drizzle 67% 7 mph SW 70%
4 PM 27° Drizzle 71% 7 mph SW 73%
5 PM 27° Drizzle 71% 7 mph SW 77%
6 PM 26° Drizzle 71% 5 mph SW 81%
7 PM 26° Rain 71% 4 mph SW 84%
8 PM 25° Rain 61% 3 mph WSW 87%
9 PM 24° Rain 62% 3 mph WSW 90%
15-Day Forecast
Today
6/24
Mostly Cloudy
8%
13°
27°
Thu
6/25
Drizzle
71%
17°
29°
Fri
6/26
Heavy Rain
90%
19°
27°
Sat
6/27
Rain
80%
18°
28°
Sun
6/28
Clear
60%
19°
32°
Mon
6/29
Clear
8%
22°
33°
Tue
6/30
Clear
8%
23°
33°
Wed
7/1
Clear
13%
24°
34°
Thu
7/2
Thunderstorm
71%
24°
34°
Fri
7/3
Thunderstorm
67%
24°
33°
Sat
7/4
Thunderstorm
67%
24°
34°
Sun
7/5
Thunderstorm
66%
21°
34°
Mon
7/6
Thunderstorm
66%
20°
34°
Tue
7/7
Thunderstorm
66%
19°
34°
Wed
7/8
Thunderstorm
66%
20°
34°
39
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
31 AQI 5.6 µg/m³
O3
Ground-level ozone
Dominant
39 AQI 42 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 39 Good 39 31
Fri 42 Good 41 42
Sat 34 Good 32 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 Thu Jun 25, 01:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE4 J/kg
MLCAPE10 J/kg
MUCAPE7 J/kg
SBCIN-159 J/kg
MLCIN0 J/kg
Lifted Index0.9
Kinematics
0–6 km Shear37 kt
0–1 km Shear10 kt
Eff. Shear—
0–1 km SRH48
0–3 km SRH-67
Eff. SRH—
Storm Motion242° @ 29 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index29.1
Thermo & Levels
PWAT1.49 in
0–3 km LR5.7 °C/km
700–500 LR5.4 °C/km
Total Totals41.4
LCL929 hPa
LFC695 hPa
EL628 hPa
Freezing Lvl12,844 ft