Lake County, Illinois, United States

Last updated: 10:09 PM CDT · Refresh

14°C

Feels like 11°

Mostly Cloudy

▲ 17° / ▼ 13°

Wind

7 mph ENE

Humidity

66%

Dew Point

9°

Pressure

29.50 inHg

Visibility

10 mi

UV Index

0.0

Cloud Cover

78%

Sunrise

6:39 AM

Sunset

6:49 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Lake County is currently mostly cloudy at 14°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:39AM · Sunset: 6:49PM.

28 AQI · Good Dominant: O3 Air Quality

Hourly Forecast · Next 24 Hours

Now

14°

11 PM

14°

12 AM

13°

1 AM

13°

2 AM

13°

15%

3 AM

13°

21%

4 AM

13°

21%

5 AM

13°

47%

6 AM

13°

22%

7 AM

14°

8 AM

14°

18%

9 AM

16°

10 AM

16°

30%

11 AM

17°

17%

12 PM

17°

1 PM

18°

2 PM

18°

3 PM

18°

4 PM

18°

5 PM

17°

6 PM

17°

7 PM

16°

8 PM

16°

9 PM

16°

7-Day Forecast

Tonight

17° 13°

Mostly Cloudy.

Wed

18° 13°

Mostly Cloudy with a 30% chance of rain.

Thu

18° 12°

Partly Cloudy.

Fri

19° 13°

Clear.

Sat

19° 13°

Clear.

Sun

18° 13°

Clear.

Mon

19° 13°

Clear.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 14° Mostly Cloudy 7% 7 mph ENE 66%

11 PM 14° Partly Cloudy 3% 8 mph ENE 67%

12 AM 13° Partly Cloudy 8% 7 mph ENE 73%

1 AM 13° Mostly Clear 9% 7 mph ENE 76%

2 AM 13° Mostly Clear 15% 7 mph ENE 79%

3 AM 13° Partly Cloudy 21% 7 mph ENE 82%

4 AM 13° Mostly Cloudy 21% 7 mph ENE 83%

5 AM 13° Overcast 47% 6 mph ENE 82%

6 AM 13° Mostly Cloudy 22% 6 mph NE 82%

7 AM 14° Mostly Cloudy 9% 6 mph NE 80%

8 AM 14° Mostly Cloudy 18% 7 mph NE 80%

9 AM 16° Mostly Cloudy 7% 9 mph ENE 80%

10 AM 16° Partly Cloudy 30% 10 mph ENE 78%

11 AM 17° Partly Cloudy 17% 11 mph ENE 77%

12 PM 17° Mostly Cloudy 7% 11 mph ENE 76%

1 PM 18° Partly Cloudy 7% 12 mph ENE 75%

2 PM 18° Partly Cloudy 7% 12 mph ENE 75%

3 PM 18° Partly Cloudy 7% 11 mph ENE 75%

4 PM 18° Mostly Cloudy 7% 11 mph ENE 76%

5 PM 17° Mostly Cloudy 7% 10 mph ENE 77%

6 PM 17° Mostly Cloudy 3% 10 mph ENE 78%

7 PM 16° Mostly Cloudy 3% 10 mph ENE 79%

8 PM 16° Mostly Cloudy 3% 10 mph ENE 79%

9 PM 16° Partly Cloudy 3% 10 mph ENE 79%

15-Day Forecast

Today

9/22

Mostly Cloudy

13°

17°

Wed

9/23

Mostly Cloudy

30%

13°

18°

Thu

9/24

Partly Cloudy

12°

18°

Fri

9/25

Clear

13°

19°

Sat

9/26

Clear

13°

19°

Sun

9/27

Clear

19%

13°

18°

Mon

9/28

Clear

13°

19°

Tue

9/29

Rain

63%

13°

22°

Wed

9/30

Drizzle

69%

12°

22°

Thu

10/1

Rain

68%

9°

16°

Fri

10/2

Clear

60%

9°

18°

Sat

10/3

Drizzle

60%

13°

20°

Sun

10/4

Drizzle

60%

11°

18°

Mon

10/5

Drizzle

60%

11°

16°

Tue

10/6

Drizzle

60%

10°

17°

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

6 AQI 1.2 µg/m³

O₃

Ground-level ozone

Dominant

28 AQI 30 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Today 28 Good 28 6

Thu 30 Good 30 12

Fri 31 Good 31 14

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 Wed Sep 23, 01:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE0 J/kg

MLCAPE7 J/kg

MUCAPE0 J/kg

SBCIN—

MLCIN0 J/kg

Lifted Index9.4

Kinematics

0–6 km Shear3 kt

0–1 km Shear14 kt

Eff. Shear—

0–1 km SRH-13

0–3 km SRH30

Eff. SRH—

Storm Motion36° @ 17 kt

0–1 km EHI-0.0

Composite Parameters

Sig. Tornado0.0

STP (eff)—

Supercell—

K-Index-29.9

Thermo & Levels

PWAT0.64 in

0–3 km LR3.0 °C/km

700–500 LR7.5 °C/km

Total Totals33.9

LCL926 hPa

LFC—

EL—

Freezing Lvl11,991 ft

Lake County, Illinois, United States

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