Severe Thunderstorm Warning — Knox County, IN, Sullivan County, IN 8:45 PM Severe Thunderstorm Watch 10:00 PM Severe Thunderstorm Watch 10:00 PM Areal Flood Advisory — Knox County, IN, Sullivan County, IN 12:00 AM

Sullivan County, Indiana, United States

Last updated: 8:12 PM CDT  ·  Refresh
28°C
Feels like 35°
Rain
▲ 33°  /  ▼ 22°
Wind
8 mph SE
Humidity
88%
Dew Point
26°
Pressure
29.26 inHg
Visibility
8 mi
UV Index
0.0
Cloud Cover
66%
Sunrise
6:46 AM
Sunset
9:05 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Sullivan County is currently rain at 29°C. Precipitation is likely — peak probability 54% around 9 PM. Atmospheric instability is elevated (CAPE up to 3312 J/kg) — isolated convective development possible. Sunrise: 6:46AM · Sunset: 9:05PM.

Alerts

Severe Thunderstorm Warning
Knox County, IN, Sullivan County, IN
Expires 8:45 PM
Severe Thunderstorm Watch
Expires 10:00 PM
Severe Thunderstorm Watch
Expires 10:00 PM
Areal Flood Advisory
Knox County, IN, Sullivan County, IN
Expires 12:00 AM
49 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
28°
53%
10 PM
27°
53%
11 PM
27°
26%
12 AM
27°
26%
1 AM
27°
26%
2 AM
26°
7%
3 AM
26°
7%
4 AM
26°
7%
5 AM
26°
8%
6 AM
24°
5%
7 AM
24°
5%
8 AM
24°
3%
9 AM
26°
3%
10 AM
26°
3%
11 AM
27°
3%
12 PM
27°
3%
1 PM
28°
3%
2 PM
29°
3%
3 PM
29°
3%
4 PM
32°
3%
5 PM
32°
3%
6 PM
30°
3%
7 PM
29°
3%
8 PM
28°
3%
7-Day Forecast
Tonight
33° 22°
Rain, 53% chance.
Tue
32° 18°
Partly Cloudy with a 26% chance of rain.
Wed
28° 15°
Clear.
Thu
28° 16°
Clear.
Fri
27° 19°
Rain, 82% chance.
Sat
25° 18°
Rain, 82% chance.
Sun
27° 17°
Drizzle, 52% chance.
TimeTempConditionsPrecipWindHumidity
Now 28° Rain 53% 8 mph SE 88%
10 PM 27° Partly Cloudy 53% 7 mph S 90%
11 PM 27° Mostly Clear 26% 6 mph S 90%
12 AM 27° Mostly Clear 26% 7 mph SSW 89%
1 AM 27° Partly Cloudy 26% 8 mph SSW 89%
2 AM 26° Partly Cloudy 7% 8 mph SW 88%
3 AM 26° Mostly Clear 7% 8 mph WSW 88%
4 AM 26° Partly Cloudy 7% 8 mph WSW 87%
5 AM 26° Partly Cloudy 8% 9 mph W 87%
6 AM 24° Partly Cloudy 5% 9 mph W 88%
7 AM 24° Partly Cloudy 5% 8 mph WNW 90%
8 AM 24° Partly Cloudy 3% 8 mph NW 90%
9 AM 26° Partly Cloudy 3% 9 mph NW 86%
10 AM 26° Partly Cloudy 3% 10 mph NNW 83%
11 AM 27° Mostly Cloudy 3% 12 mph N 81%
12 PM 27° Partly Cloudy 3% 12 mph N 77%
1 PM 28° Partly Cloudy 3% 12 mph N 73%
2 PM 29° Partly Cloudy 3% 12 mph N 71%
3 PM 29° Partly Cloudy 3% 12 mph N 70%
4 PM 32° Partly Cloudy 3% 12 mph N 69%
5 PM 32° Partly Cloudy 3% 12 mph N 69%
6 PM 30° Partly Cloudy 3% 11 mph N 71%
7 PM 29° Partly Cloudy 3% 10 mph N 74%
8 PM 28° Partly Cloudy 3% 9 mph N 76%
15-Day Forecast
Today
7/27
Rain
53%
22°
33°
Tue
7/28
Partly Cloudy
26%
18°
32°
Wed
7/29
Clear
3%
15°
28°
Thu
7/30
Clear
7%
16°
28°
Fri
7/31
Rain
82%
19°
27°
Sat
8/1
Rain
82%
18°
25°
Sun
8/2
Drizzle
52%
17°
27°
Mon
8/3
Clear
17%
18°
28°
Tue
8/4
Rain
68%
19°
29°
Wed
8/5
Rain
68%
21°
30°
Thu
8/6
Thunderstorm
60%
21°
32°
Fri
8/7
Drizzle
60%
21°
32°
Sat
8/8
Drizzle
60%
21°
29°
Sun
8/9
Drizzle
60%
21°
29°
Mon
8/10
Drizzle
60%
20°
29°
49
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
49 AQI 8.8 µg/m³
O3
Ground-level ozone
34 AQI 37 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 49 Good 34 49
Wed 48 Good 38 48
Thu 34 Good 34 28
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 Mon Jul 27, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3941 J/kg
MLCAPE3823 J/kg
MUCAPE4560 J/kg
SBCIN-70 J/kg
MLCIN0 J/kg
Lifted Index-9.6
Kinematics
0–6 km Shear44 kt
0–1 km Shear14 kt
Eff. Shear53 kt
0–1 km SRH92
0–3 km SRH36
Eff. SRH36
Storm Motion261° @ 34 kt
0–1 km EHI2.3
Composite Parameters
Sig. Tornado3.0
STP (eff)1.2
Supercell4.5
K-Index26.3
Thermo & Levels
PWAT1.98 in
0–3 km LR5.3 °C/km
700–500 LR7.1 °C/km
Total Totals50.8
LCL954 hPa
LFC760 hPa
EL139 hPa
Freezing Lvl14,436 ft