Knox County, Illinois, United States

Last updated: 3:29 AM CDT  ·  Refresh
12°C
Feels like 11°
Overcast
▲ 24°  /  ▼ 9°
Wind
2 mph S
Humidity
69%
Dew Point
8°
Pressure
29.55 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
89%
Sunrise
7:23 AM
Sunset
6:04 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Knox County is currently overcast at 12°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:23AM · Sunset: 6:04PM.

Alerts

No active alerts for this location.
54 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
12°
3%
4 AM
12°
3%
5 AM
10°
3%
6 AM
10°
3%
7 AM
10°
3%
8 AM
11°
3%
9 AM
16°
3%
10 AM
18°
3%
11 AM
19°
3%
12 PM
21°
3%
1 PM
24°
3%
2 PM
24°
3%
3 PM
24°
3%
4 PM
24°
3%
5 PM
20°
3%
6 PM
18°
3%
7 PM
17°
3%
8 PM
16°
3%
9 PM
14°
3%
10 PM
12°
3%
11 PM
11°
3%
12 AM
11°
3%
1 AM
11°
3%
2 AM
11°
3%
7-Day Forecast
Today
24° 9°
Mostly Cloudy.
Tue
23° 9°
Fog.
Wed
26° 10°
Partly Cloudy with a 25% chance of rain.
Thu
24° 13°
Clear with a 58% chance of rain.
Fri
24° 12°
Rain, 64% chance.
Sat
23° 11°
Drizzle, 82% chance.
Sun
22° 11°
Clear with a 53% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 12° Overcast 3% 2 mph S 69%
4 AM 12° Overcast 3% 2 mph S 65%
5 AM 10° Overcast 3% 2 mph SSE 67%
6 AM 10° Overcast 3% 2 mph ESE 70%
7 AM 10° Overcast 3% 2 mph E 71%
8 AM 11° Overcast 3% 2 mph E 70%
9 AM 16° Mostly Cloudy 3% 2 mph E 67%
10 AM 18° Mostly Cloudy 3% 3 mph E 62%
11 AM 19° Mostly Cloudy 3% 4 mph ESE 57%
12 PM 21° Mostly Cloudy 3% 4 mph ESE 53%
1 PM 24° Mostly Cloudy 3% 5 mph ESE 51%
2 PM 24° Mostly Cloudy 3% 6 mph ESE 50%
3 PM 24° Mostly Cloudy 3% 6 mph ESE 50%
4 PM 24° Mostly Cloudy 3% 6 mph ESE 53%
5 PM 20° Partly Cloudy 3% 7 mph E 59%
6 PM 18° Partly Cloudy 3% 7 mph E 65%
7 PM 17° Partly Cloudy 3% 8 mph ENE 72%
8 PM 16° Partly Cloudy 3% 9 mph E 77%
9 PM 14° Mostly Cloudy 3% 10 mph E 81%
10 PM 12° Mostly Cloudy 3% 10 mph E 83%
11 PM 11° Mostly Cloudy 3% 9 mph E 83%
12 AM 11° Mostly Cloudy 3% 9 mph E 84%
1 AM 11° Overcast 3% 9 mph E 84%
2 AM 11° Overcast 3% 8 mph E 85%
15-Day Forecast
Today
10/26
Mostly Cloudy
3%
9°
24°
Tue
10/27
Fog
6%
9°
23°
Wed
10/28
Partly Cloudy
25%
10°
26°
Thu
10/29
Clear
58%
13°
24°
Fri
10/30
Rain
64%
12°
24°
Sat
10/31
Drizzle
82%
11°
23°
Sun
11/1
Clear
53%
11°
22°
Mon
11/2
Drizzle
68%
11°
22°
Tue
11/3
Rain
68%
9°
19°
Wed
11/4
Rain
68%
8°
16°
Thu
11/5
Drizzle
60%
7°
17°
Fri
11/6
Drizzle
60%
7°
17°
Sat
11/7
Drizzle
60%
7°
17°
Sun
11/8
Drizzle
60%
7°
17°
Mon
11/9
Drizzle
60%
7°
17°
54
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
54 AQI 10.6 µg/m³
O3
Ground-level ozone
42 AQI 46 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 54 Moderate 42 54
Tue 66 Moderate 45 66
Wed 54 Moderate 42 54
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 Oct 26, 07:00'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
SBCAPE0 J/kg
MLCAPE26 J/kg
MUCAPE0 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index15.2
Kinematics
0–6 km Shear20 kt
0–1 km Shear9 kt
Eff. Shear—
0–1 km SRH28
0–3 km SRH46
Eff. SRH—
Storm Motion295° @ 20 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index13.0
Thermo & Levels
PWAT0.77 in
0–3 km LR3.0 °C/km
700–500 LR5.4 °C/km
Total Totals37.2
LCL937 hPa
LFC1001 hPa
EL1001 hPa
Freezing Lvl11,631 ft