Flood Warning — Daviess County, IN, Gibson County, IN, Knox County, IN, Pike County, IN 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 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 — Carroll County, IN, Tippecanoe County, IN, White County, IN 11:00 AM Flood Warning — Daviess County, IN, Greene County, IN, Knox County, IN 9:46 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 Flood Warning — Daviess County, IN, Greene County, IN, Knox County, IN 4:00 AM

Knox County, Indiana, United States

Last updated: 1:39 PM CDT  ·  Refresh
31°C
Feels like 37°
Mostly Clear
▲ 33°  /  ▼ 23°
Wind
6 mph SE
Humidity
65%
Dew Point
24°
Pressure
29.57 inHg
Visibility
10 mi
UV Index
9.2
Cloud Cover
20%
Sunrise
7:03 AM
Sunset
8:43 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Knox County is currently mostly clear at 31°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3261 J/kg) — isolated convective development possible. Sunrise: 7:03AM · Sunset: 8:43PM.

Alerts

Flood Warning
Daviess County, IN, Gibson County, IN, Knox County, IN, Pike County, IN
Expires
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
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
Carroll County, IN, Tippecanoe County, IN, White County, IN
Expires 11:00 AM
Flood Warning
Daviess County, IN, Greene County, IN, Knox County, IN
Expires 9:46 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
Flood Warning
Daviess County, IN, Greene County, IN, Knox County, IN
Expires 4:00 AM
51 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
17%
3 PM
31°
28%
4 PM
32°
33%
5 PM
31°
18%
6 PM
32°
18%
7 PM
31°
18%
8 PM
30°
18%
9 PM
29°
21%
10 PM
28°
22%
11 PM
27°
22%
12 AM
27°
14%
1 AM
26°
14%
2 AM
26°
9%
3 AM
26°
9%
4 AM
26°
9%
5 AM
26°
22%
6 AM
24°
22%
7 AM
24°
22%
8 AM
24°
21%
9 AM
25°
28%
10 AM
26°
35%
11 AM
26°
35%
12 PM
27°
30%
1 PM
27°
29%
7-Day Forecast
Today
33° 23°
Mostly Clear with a 22% chance of rain.
Sun
32° 24°
Partly Cloudy with a 47% chance of rain.
Mon
28° 19°
Rain, 66% chance.
Tue
28° 18°
Partly Cloudy with a 44% chance of rain.
Wed
31° 19°
Drizzle, 60% chance.
Thu
27° 17°
Clear with a 60% chance of rain.
Fri
27° 17°
Clear with a 35% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 31° Mostly Clear 17% 6 mph SE 66%
3 PM 31° Clear 28% 6 mph S 64%
4 PM 32° Mostly Clear 33% 6 mph SSW 64%
5 PM 31° Mostly Clear 18% 6 mph SSW 64%
6 PM 32° Mostly Clear 18% 5 mph SSW 67%
7 PM 31° Partly Cloudy 18% 4 mph SSW 71%
8 PM 30° Mostly Clear 18% 4 mph SSW 75%
9 PM 29° Clear 21% 4 mph SSW 78%
10 PM 28° Clear 22% 5 mph SSW 80%
11 PM 27° Clear 22% 5 mph S 82%
12 AM 27° Clear 14% 6 mph SSW 83%
1 AM 26° Clear 14% 6 mph SSW 84%
2 AM 26° Mostly Clear 9% 6 mph SSW 84%
3 AM 26° Mostly Clear 9% 7 mph SSW 82%
4 AM 26° Mostly Clear 9% 8 mph SW 80%
5 AM 26° Partly Cloudy 22% 8 mph SW 79%
6 AM 24° Partly Cloudy 22% 8 mph SW 79%
7 AM 24° Partly Cloudy 22% 8 mph SW 80%
8 AM 24° Partly Cloudy 21% 7 mph SW 79%
9 AM 25° Partly Cloudy 28% 7 mph W 79%
10 AM 26° Mostly Cloudy 35% 9 mph WNW 78%
11 AM 26° Mostly Cloudy 35% 9 mph WNW 78%
12 PM 27° Mostly Cloudy 30% 7 mph W 76%
1 PM 27° Mostly Cloudy 29% 7 mph WSW 75%
15-Day Forecast
Today
8/15
Mostly Clear
22%
23°
33°
Sun
8/16
Partly Cloudy
47%
24°
32°
Mon
8/17
Rain
66%
19°
28°
Tue
8/18
Partly Cloudy
44%
18°
28°
Wed
8/19
Drizzle
60%
19°
31°
Thu
8/20
Clear
60%
17°
27°
Fri
8/21
Clear
35%
17°
27°
Sat
8/22
Drizzle
60%
17°
28°
Sun
8/23
Drizzle
60%
17°
28°
Mon
8/24
Drizzle
60%
18°
30°
Tue
8/25
Drizzle
60%
21°
31°
Wed
8/26
Drizzle
60%
20°
32°
Thu
8/27
Drizzle
60%
20°
31°
Fri
8/28
Drizzle
60%
19°
31°
Sat
8/29
Clear
60%
19°
30°
51
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
51 AQI 9.2 µg/m³
O3
Ground-level ozone
40 AQI 43 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sun 51 Moderate 40 51
Mon 46 Good 31 46
Tue 43 Good 43 41
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
SBCAPE2986 J/kg
MLCAPE1421 J/kg
MUCAPE2986 J/kg
SBCIN-7 J/kg
MLCIN-73 J/kg
Lifted Index-6.9
Kinematics
0–6 km Shear30 kt
0–1 km Shear6 kt
Eff. Shear25 kt
0–1 km SRH-1
0–3 km SRH90
Eff. SRH90
Storm Motion309° @ 22 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.3
Supercell3.5
K-Index34.6
Thermo & Levels
PWAT1.92 in
0–3 km LR6.7 °C/km
700–500 LR5.9 °C/km
Total Totals44.5
LCL909 hPa
LFC859 hPa
EL137 hPa
Freezing Lvl15,774 ft