Beach Hazards Statement — Lake, IL, Northern Cook, IL, Central Cook, IL 7:00 PM

Chicago, Illinois

Last updated: 8:31 PM CDT  ·  Refresh
16°C
Feels like 12°
Mostly Cloudy
▲ 17°  /  ▼ 13°
Wind
9 mph NE
Humidity
66%
Dew Point
10°
Pressure
29.61 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
83%
Sunrise
6:38 AM
Sunset
6:48 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Chicago is currently mostly cloudy at 15°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:38AM · Sunset: 6:48PM.

Alerts

Beach Hazards Statement
Lake, IL, Northern Cook, IL, Central Cook, IL
Expires 7:00 PM
28 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
16°
6%
9 PM
16°
3%
10 PM
16°
8%
11 PM
16°
15%
12 AM
16°
15%
1 AM
14°
16%
2 AM
15°
35%
3 AM
15°
35%
4 AM
15°
46%
5 AM
14°
41%
6 AM
14°
16%
7 AM
14°
15%
8 AM
15°
13%
9 AM
16°
13%
10 AM
16°
14%
11 AM
16°
6%
12 PM
16°
16%
1 PM
17°
6%
2 PM
17°
16%
3 PM
18°
16%
4 PM
18°
16%
5 PM
17°
3%
6 PM
17°
3%
7 PM
17°
3%
7-Day Forecast
Tonight
17° 13°
Partly Cloudy.
Wed
18° 14°
Mostly Cloudy with a 41% chance of rain.
Thu
20° 14°
Mostly Clear.
Fri
21° 15°
Clear.
Sat
22° 14°
Clear.
Sun
21° 14°
Clear.
Mon
22° 16°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 16° Mostly Cloudy 6% 9 mph NE 66%
9 PM 16° Mostly Cloudy 3% 8 mph ENE 63%
10 PM 16° Partly Cloudy 8% 9 mph ENE 65%
11 PM 16° Partly Cloudy 15% 8 mph ENE 68%
12 AM 16° Mostly Cloudy 15% 8 mph ENE 70%
1 AM 14° Mostly Cloudy 16% 7 mph ENE 71%
2 AM 15° Mostly Cloudy 35% 6 mph ENE 75%
3 AM 15° Mostly Cloudy 35% 6 mph ENE 78%
4 AM 15° Mostly Cloudy 46% 6 mph ENE 80%
5 AM 14° Overcast 41% 6 mph NE 81%
6 AM 14° Overcast 16% 6 mph NE 82%
7 AM 14° Overcast 15% 7 mph NE 81%
8 AM 15° Mostly Cloudy 13% 8 mph ENE 80%
9 AM 16° Partly Cloudy 13% 9 mph ENE 79%
10 AM 16° Partly Cloudy 14% 10 mph ENE 76%
11 AM 16° Mostly Cloudy 6% 10 mph ENE 74%
12 PM 16° Mostly Cloudy 16% 11 mph ENE 72%
1 PM 17° Mostly Cloudy 6% 11 mph ENE 76%
2 PM 17° Mostly Cloudy 16% 11 mph NE 77%
3 PM 18° Overcast 16% 11 mph NE 78%
4 PM 18° Overcast 16% 10 mph NE 78%
5 PM 17° Overcast 3% 10 mph NE 78%
6 PM 17° Overcast 3% 10 mph ENE 78%
7 PM 17° Overcast 3% 10 mph ENE 77%
15-Day Forecast
Today
9/22
Partly Cloudy
15%
13°
17°
Wed
9/23
Mostly Cloudy
41%
14°
18°
Thu
9/24
Mostly Clear
3%
14°
20°
Fri
9/25
Clear
3%
15°
21°
Sat
9/26
Clear
9%
14°
22°
Sun
9/27
Clear
19%
14°
21°
Mon
9/28
Clear
8%
16°
22°
Tue
9/29
Drizzle
63%
14°
24°
Wed
9/30
Rain
69%
14°
23°
Thu
10/1
Rain
68%
9°
18°
Fri
10/2
Drizzle
60%
10°
20°
Sat
10/3
Drizzle
60%
15°
22°
Sun
10/4
Drizzle
60%
13°
19°
Mon
10/5
Drizzle
60%
13°
18°
Tue
10/6
Drizzle
60%
12°
18°
28
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
PM2.5
Fine particulate matter
8 AQI 1.6 µg/m³
O3
Ground-level ozone
Dominant
28 AQI 30 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 28 Good 28 8
Thu 27 Good 27 10
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. 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 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Tue Sep 22, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE3 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index7.0
Kinematics
0–6 km Shear10 kt
0–1 km Shear12 kt
Eff. Shear—
0–1 km SRH5
0–3 km SRH66
Eff. SRH—
Storm Motion2° @ 11 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-10.2
Thermo & Levels
PWAT0.80 in
0–3 km LR3.5 °C/km
700–500 LR7.6 °C/km
Total Totals42.3
LCL926 hPa
LFC—
EL—
Freezing Lvl12,113 ft