Kankakee County, Illinois, United States

Last updated: 9:10 PM CDT · Refresh

22°C

Feels like 23°

Overcast

▲ 27° / ▼ 14°

Wind

5 mph SW

Humidity

91%

Dew Point

19°

Pressure

29.26 inHg

Visibility

10 mi

UV Index

0.0

Cloud Cover

89%

Sunrise

6:07 AM

Sunset

7:41 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Kankakee County is currently overcast at 21°C. Precipitation is likely — peak probability 90% around 9 PM. Atmospheric instability is elevated (CAPE up to 1385 J/kg) — isolated convective development possible. Sunrise: 6:07AM · Sunset: 7:41PM.

38 AQI · Good Dominant: PM2.5 Air Quality

Hourly Forecast · Next 24 Hours

Now

22°

90%

10 PM

21°

60%

11 PM

20°

61%

12 AM

20°

45%

1 AM

19°

31%

2 AM

19°

32%

3 AM

19°

21%

4 AM

19°

20%

5 AM

18°

20%

6 AM

18°

18%

7 AM

18°

26%

8 AM

19°

28%

9 AM

20°

13%

10 AM

21°

22%

11 AM

22°

23%

12 PM

23°

23%

1 PM

26°

16%

2 PM

26°

16%

3 PM

26°

16%

4 PM

27°

17%

5 PM

26°

27%

6 PM

25°

15%

7 PM

24°

12%

8 PM

23°

13%

7-Day Forecast

Tonight

27° 14°

Overcast with a 90% chance of rain.

Sat

27° 15°

Partly Cloudy with a 45% chance of rain.

Sun

24° 13°

Partly Cloudy.

Mon

23° 11°

Overcast with a 37% chance of rain.

Tue

24° 12°

Clear with a 29% chance of rain.

Wed

27° 14°

Drizzle, 64% chance.

Thu

28° 17°

Drizzle, 52% chance.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 22° Overcast 90% 5 mph SW 91%

10 PM 21° Overcast 60% 6 mph WSW 92%

11 PM 20° Mostly Cloudy 61% 5 mph SW 93%

12 AM 20° Partly Cloudy 45% 5 mph SW 94%

1 AM 19° Partly Cloudy 31% 5 mph WSW 95%

2 AM 19° Mostly Clear 32% 6 mph SW 96%

3 AM 19° Partly Cloudy 21% 6 mph WSW 96%

4 AM 19° Partly Cloudy 20% 6 mph W 96%

5 AM 18° Partly Cloudy 20% 7 mph W 96%

6 AM 18° Partly Cloudy 18% 8 mph WNW 97%

7 AM 18° Partly Cloudy 26% 9 mph NW 95%

8 AM 19° Partly Cloudy 28% 10 mph NW 90%

9 AM 20° Partly Cloudy 13% 11 mph NW 86%

10 AM 21° Partly Cloudy 22% 11 mph NW 81%

11 AM 22° Partly Cloudy 23% 11 mph NW 75%

12 PM 23° Mostly Clear 23% 11 mph NW 71%

1 PM 26° Mostly Clear 16% 11 mph NW 67%

2 PM 26° Mostly Clear 16% 12 mph NW 67%

3 PM 26° Mostly Clear 16% 12 mph NW 67%

4 PM 27° Mostly Clear 17% 12 mph NW 67%

5 PM 26° Mostly Clear 27% 11 mph NW 71%

6 PM 25° Clear 15% 10 mph NW 74%

7 PM 24° Clear 12% 9 mph NW 75%

8 PM 23° Clear 13% 8 mph WNW 77%

15-Day Forecast

Today

8/21

Overcast

90%

14°

27°

Sat

8/22

Partly Cloudy

45%

15°

27°

Sun

8/23

Partly Cloudy

13°

24°

Mon

8/24

Overcast

37%

11°

23°

Tue

8/25

Clear

29%

12°

24°

Wed

8/26

Drizzle

64%

14°

27°

Thu

8/27

Drizzle

52%

17°

28°

Fri

8/28

Clear

17%

17°

27°

Sat

8/29

Drizzle

90%

17°

28°

Sun

8/30

Rain

68%

19°

28°

Mon

8/31

Drizzle

64%

19°

32°

Tue

9/1

Drizzle

90%

19°

32°

Wed

9/2

Drizzle

60%

18°

28°

Thu

9/3

Drizzle

60%

18°

27°

Fri

9/4

Drizzle

60%

17°

28°

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

PM_2.5

Fine particulate matter

Dominant

38 AQI 6.9 µg/m³

O₃

Ground-level ozone

37 AQI 40 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Today 38 Good 37 38

Sun 29 Good 29 19

Mon 26 Good 26 12

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 Fri Aug 21, 23:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE841 J/kg

MLCAPE897 J/kg

MUCAPE1038 J/kg

SBCIN-196 J/kg

MLCIN-105 J/kg

Lifted Index-3.0

Kinematics

0–6 km Shear30 kt

0–1 km Shear14 kt

Eff. Shear28 kt

0–1 km SRH96

0–3 km SRH128

Eff. SRH128

Storm Motion333° @ 20 kt

0–1 km EHI0.5

Composite Parameters

Sig. Tornado0.3

STP (eff)0.2

Supercell1.9

K-Index34.5

Thermo & Levels

PWAT1.61 in

0–3 km LR5.4 °C/km

700–500 LR6.4 °C/km

Total Totals50.3

LCL955 hPa

LFC725 hPa

EL240 hPa

Freezing Lvl12,185 ft

Kankakee County, Illinois, United States

Alerts