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 — 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: 8:41 PM CDT  ·  Refresh
23°C
Feels like 24°
Overcast
▲ 27°  /  ▼ 13°
Wind
6 mph S
Humidity
76%
Dew Point
18°
Pressure
29.48 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
89%
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 overcast at 23°C. Precipitation is likely — peak probability 75% around 9 PM. Atmospheric instability is elevated (CAPE up to 2019 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
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
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
23°
16%
10 PM
22°
25%
11 PM
21°
34%
12 AM
20°
37%
1 AM
19°
47%
2 AM
18°
33%
3 AM
18°
32%
4 AM
18°
28%
5 AM
18°
20%
6 AM
18°
28%
7 AM
18°
32%
8 AM
19°
32%
9 AM
21°
25%
10 AM
24°
25%
11 AM
26°
41%
12 PM
27°
45%
1 PM
27°
46%
2 PM
29°
59%
3 PM
29°
60%
4 PM
29°
60%
5 PM
29°
61%
6 PM
28°
61%
7 PM
27°
61%
8 PM
27°
68%
7-Day Forecast
Tonight
27° 13°
Overcast.
Thu
29° 18°
Drizzle, 74% chance.
Fri
27° 19°
Rain, 90% chance.
Sat
28° 18°
Rain, 80% chance.
Sun
32° 19°
Overcast with a 60% chance of rain.
Mon
33° 22°
Clear.
Tue
33° 23°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 23° Overcast 16% 6 mph S 76%
10 PM 22° Overcast 25% 6 mph S 77%
11 PM 21° Rain 34% 6 mph S 78%
12 AM 20° Rain 37% 6 mph S 79%
1 AM 19° Rain 47% 6 mph SSW 81%
2 AM 18° Partly Cloudy 33% 6 mph SSW 84%
3 AM 18° Partly Cloudy 32% 6 mph SSW 86%
4 AM 18° Drizzle 28% 6 mph SSW 88%
5 AM 18° Drizzle 20% 6 mph SSW 88%
6 AM 18° Drizzle 28% 6 mph SSW 88%
7 AM 18° Drizzle 32% 6 mph SW 89%
8 AM 19° Drizzle 32% 6 mph SW 87%
9 AM 21° Drizzle 25% 6 mph WSW 83%
10 AM 24° Drizzle 25% 6 mph WSW 80%
11 AM 26° Drizzle 41% 7 mph WSW 76%
12 PM 27° Drizzle 45% 7 mph WSW 72%
1 PM 27° Drizzle 46% 8 mph WSW 70%
2 PM 29° Drizzle 59% 7 mph WSW 68%
3 PM 29° Drizzle 60% 7 mph WSW 66%
4 PM 29° Drizzle 60% 6 mph WSW 65%
5 PM 29° Drizzle 61% 6 mph WSW 69%
6 PM 28° Rain 61% 5 mph WSW 74%
7 PM 27° Rain 61% 4 mph WSW 78%
8 PM 27° Rain 68% 3 mph WSW 81%
15-Day Forecast
Today
6/24
Overcast
16%
13°
27°
Thu
6/25
Drizzle
74%
18°
29°
Fri
6/26
Rain
90%
19°
27°
Sat
6/27
Rain
80%
18°
28°
Sun
6/28
Overcast
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 Wed Jun 24, 23:00'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
SBCAPE87 J/kg
MLCAPE9 J/kg
MUCAPE87 J/kg
SBCIN-119 J/kg
MLCIN0 J/kg
Lifted Index-0.3
Kinematics
0–6 km Shear38 kt
0–1 km Shear9 kt
Eff. Shear—
0–1 km SRH43
0–3 km SRH-65
Eff. SRH—
Storm Motion245° @ 28 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index31.9
Thermo & Levels
PWAT1.63 in
0–3 km LR5.9 °C/km
700–500 LR5.5 °C/km
Total Totals43.6
LCL929 hPa
LFC820 hPa
EL462 hPa
Freezing Lvl12,779 ft