Knox County, Indiana, United States

Last updated: 12:01 AM CDT  ·  Refresh
26°C
Feels like 29°
Mostly Clear
▲ 30°  /  ▼ 15°
Wind
7 mph SSW
Humidity
90%
Dew Point
24°
Pressure
29.25 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
18%
Sunrise
6:47 AM
Sunset
9:03 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Knox County is currently mostly clear at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2537 J/kg) — isolated convective development possible. Sunrise: 6:47AM · Sunset: 9:03PM.

Alerts

No active alerts for this location.
44 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
4%
2 AM
26°
9%
3 AM
26°
9%
4 AM
26°
9%
5 AM
26°
24%
6 AM
24°
7%
7 AM
24°
3%
8 AM
24°
3%
9 AM
26°
3%
10 AM
27°
3%
11 AM
28°
3%
12 PM
28°
3%
1 PM
28°
3%
2 PM
29°
3%
3 PM
29°
3%
4 PM
29°
3%
5 PM
29°
3%
6 PM
29°
3%
7 PM
28°
3%
8 PM
29°
3%
9 PM
28°
3%
10 PM
25°
3%
11 PM
24°
3%
12 AM
22°
3%
7-Day Forecast
Today
30° 15°
Partly Cloudy.
Wed
29° 15°
Clear.
Thu
29° 17°
Partly Cloudy.
Fri
24° 19°
Fog with a 67% chance of rain.
Sat
24° 18°
Rain, 90% chance.
Sun
26° 17°
Drizzle, 52% chance.
Mon
28° 18°
Clear with a 31% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 26° Mostly Clear 4% 7 mph SSW 90%
2 AM 26° Clear 9% 9 mph SW 90%
3 AM 26° Partly Cloudy 9% 10 mph SW 89%
4 AM 26° Partly Cloudy 9% 9 mph WSW 88%
5 AM 26° Rain 24% 10 mph WSW 88%
6 AM 24° Mostly Cloudy 7% 9 mph W 88%
7 AM 24° Mostly Cloudy 3% 10 mph W 88%
8 AM 24° Partly Cloudy 3% 9 mph WNW 89%
9 AM 26° Mostly Cloudy 3% 10 mph WNW 86%
10 AM 27° Mostly Cloudy 3% 10 mph NW 82%
11 AM 28° Partly Cloudy 3% 11 mph NNW 80%
12 PM 28° Partly Cloudy 3% 12 mph NNW 79%
1 PM 28° Mostly Cloudy 3% 12 mph NNW 76%
2 PM 29° Partly Cloudy 3% 12 mph NNW 74%
3 PM 29° Partly Cloudy 3% 13 mph NNW 74%
4 PM 29° Partly Cloudy 3% 12 mph NNW 73%
5 PM 29° Partly Cloudy 3% 12 mph NNW 73%
6 PM 29° Partly Cloudy 3% 11 mph NNW 76%
7 PM 28° Partly Cloudy 3% 10 mph N 78%
8 PM 29° Mostly Clear 3% 9 mph N 80%
9 PM 28° Mostly Clear 3% 9 mph N 83%
10 PM 25° Mostly Clear 3% 9 mph N 85%
11 PM 24° Clear 3% 9 mph N 87%
12 AM 22° Clear 3% 8 mph N 86%
15-Day Forecast
Today
7/28
Partly Cloudy
9%
15°
30°
Wed
7/29
Clear
3%
15°
29°
Thu
7/30
Partly Cloudy
7%
17°
29°
Fri
7/31
Fog
67%
19°
24°
Sat
8/1
Rain
90%
18°
24°
Sun
8/2
Drizzle
52%
17°
26°
Mon
8/3
Clear
31%
18°
28°
Tue
8/4
Rain
68%
19°
29°
Wed
8/5
Rain
68%
21°
29°
Thu
8/6
Drizzle
51%
21°
31°
Fri
8/7
Drizzle
60%
19°
31°
Sat
8/8
Drizzle
60%
19°
28°
Sun
8/9
Drizzle
60%
20°
29°
Mon
8/10
Drizzle
60%
20°
29°
Tue
8/11
Drizzle
60%
20°
29°
44
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
44 AQI 8.0 µg/m³
O3
Ground-level ozone
33 AQI 37 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 44 Good 33 44
Wed 49 Good 39 49
Thu 43 Good 43 31
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 Jul 28, 03:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1885 J/kg
MLCAPE3144 J/kg
MUCAPE3882 J/kg
SBCIN-247 J/kg
MLCIN0 J/kg
Lifted Index-6.2
Kinematics
0–6 km Shear42 kt
0–1 km Shear20 kt
Eff. Shear52 kt
0–1 km SRH169
0–3 km SRH125
Eff. SRH125
Storm Motion285° @ 33 kt
0–1 km EHI2.0
Composite Parameters
Sig. Tornado2.8
STP (eff)0.0
Supercell12.8
K-Index38.2
Thermo & Levels
PWAT2.18 in
0–3 km LR4.6 °C/km
700–500 LR6.6 °C/km
Total Totals49.4
LCL969 hPa
LFC722 hPa
EL160 hPa
Freezing Lvl15,879 ft