Knox County, Illinois, United States

Last updated: 4:57 PM CDT · Refresh

24°C

Feels like 27°

Mostly Cloudy

▲ 26° / ▼ 16°

Wind

2 mph WSW

Humidity

66%

Dew Point

16°

Pressure

29.39 inHg

Visibility

10 mi

UV Index

5.6

Cloud Cover

66%

Sunrise

5:29 AM

Sunset

8:36 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Knox County is currently mostly cloudy at 24°C. Precipitation is likely — peak probability 62% around 1 PM. Atmospheric instability is elevated (CAPE up to 1110 J/kg) — isolated convective development possible. Sunrise: 5:29AM · Sunset: 8:36PM.

40 AQI · Good Dominant: O3 Air Quality

Hourly Forecast · Next 24 Hours

Now

24°

29%

5 PM

26°

43%

6 PM

25°

24%

7 PM

24°

24%

8 PM

22°

23%

9 PM

20°

23%

10 PM

19°

25%

11 PM

19°

25%

12 AM

18°

10%

1 AM

18°

2 AM

18°

3 AM

17°

4 AM

17°

5 AM

16°

6 AM

17°

7 AM

18°

22%

8 AM

19°

47%

9 AM

21°

39%

10 AM

21°

47%

11 AM

22°

53%

12 PM

23°

53%

1 PM

25°

61%

2 PM

25°

56%

3 PM

25°

56%

7-Day Forecast

Today

26° 16°

Mostly Cloudy with a 29% chance of rain.

Wed

28° 16°

Drizzle, 56% chance.

Thu

29° 18°

Mostly Cloudy with a 74% chance of rain.

Fri

27° 18°

Rain, 90% chance.

Sat

29° 18°

Clear with a 62% chance of rain.

Sun

33° 21°

Thunderstorm, 53% chance.

Mon

33° 22°

Clear with a 24% chance of rain.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 24° Mostly Cloudy 29% 2 mph WSW 66%

5 PM 26° Partly Cloudy 43% 5 mph WSW 68%

6 PM 25° Rain 24% 3 mph NE 72%

7 PM 24° Rain 24% 3 mph SE 80%

8 PM 22° Rain 23% 3 mph SE 83%

9 PM 20° Rain 23% 4 mph SSE 86%

10 PM 19° Rain 25% 4 mph SSE 88%

11 PM 19° Rain 25% 4 mph SSE 89%

12 AM 18° Mostly Clear 10% 4 mph SSE 91%

1 AM 18° Partly Cloudy 5% 4 mph SSE 90%

2 AM 18° Partly Cloudy 5% 4 mph S 91%

3 AM 17° Partly Cloudy 5% 5 mph S 91%

4 AM 17° Partly Cloudy 9% 5 mph S 90%

5 AM 16° Partly Cloudy 9% 6 mph S 89%

6 AM 17° Mostly Cloudy 9% 6 mph S 87%

7 AM 18° Overcast 22% 8 mph SSW 84%

8 AM 19° Drizzle 47% 9 mph SSW 83%

9 AM 21° Drizzle 39% 10 mph SSW 80%

10 AM 21° Drizzle 47% 9 mph SSW 80%

11 AM 22° Rain 53% 9 mph SSW 79%

12 PM 23° Rain 53% 9 mph SSW 78%

1 PM 25° Rain 61% 9 mph SSW 79%

2 PM 25° Drizzle 56% 10 mph SSW 80%

3 PM 25° Drizzle 56% 10 mph SSW 80%

15-Day Forecast

Today

6/23

Mostly Cloudy

29%

16°

26°

Wed

6/24

Drizzle

56%

16°

28°

Thu

6/25

Mostly Cloudy

74%

18°

29°

Fri

6/26

Rain

90%

18°

27°

Sat

6/27

Clear

62%

18°

29°

Sun

6/28

Thunderstorm

53%

21°

33°

Mon

6/29

Clear

24%

22°

33°

Tue

6/30

Thunderstorm

62%

23°

34°

Wed

7/1

Thunderstorm

66%

23°

34°

Thu

7/2

Drizzle

63%

23°

33°

Fri

7/3

Clear

47%

23°

30°

Sat

7/4

Drizzle

66%

21°

32°

Sun

7/5

Drizzle

66%

19°

31°

Mon

7/6

Drizzle

66%

19°

31°

Tue

7/7

Drizzle

66%

19°

31°

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

PM_2.5

Fine particulate matter

37 AQI 6.8 µg/m³

O₃

Ground-level ozone

Dominant

40 AQI 43 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Wed 40 Good 40 37

Thu 43 Good 39 43

Fri 40 Good 40 19

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. PM_2.5 (fine particles) is reported in µg/m³ and ozone (O₃) in ppb. Forecast source: NWS NAQFC.

Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio

RAP

Valid Tue Jun 23, 20:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE383 J/kg

MLCAPE71 J/kg

MUCAPE383 J/kg

SBCIN-13 J/kg

MLCIN0 J/kg

Lifted Index-0.2

Kinematics

0–6 km Shear25 kt

0–1 km Shear3 kt

Eff. Shear23 kt

0–1 km SRH-11

0–3 km SRH-66

Eff. SRH-66

Storm Motion259° @ 20 kt

0–1 km EHI-0.0

Composite Parameters

Sig. Tornado0.0

STP (eff)0.0

Supercell0.0

K-Index26.7

Thermo & Levels

PWAT1.17 in

0–3 km LR7.4 °C/km

700–500 LR4.6 °C/km

Total Totals41.5

LCL885 hPa

LFC877 hPa

EL299 hPa

Freezing Lvl13,110 ft

Knox County, Illinois, United States

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