Chicago, Illinois

Last updated: 10:05 AM CDT  ·  Refresh
9°C
Feels like 7°
Clear
▲ 16°  /  ▼ 4°
Wind
13 mph WSW
Humidity
77%
Dew Point
6°
Pressure
29.35 inHg
Visibility
10 mi
UV Index
5.6
Cloud Cover
4%
Sunrise
6:30 AM
Sunset
4:36 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Chicago is currently clear at 10°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:30AM · Sunset: 4:36PM.

Alerts

No active alerts for this location.
30 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
9°
0%
11 AM
11°
0%
12 PM
13°
0%
1 PM
14°
0%
2 PM
14°
0%
3 PM
14°
0%
4 PM
16°
0%
5 PM
14°
0%
6 PM
13°
0%
7 PM
13°
0%
8 PM
12°
0%
9 PM
11°
0%
10 PM
11°
0%
11 PM
10°
0%
12 AM
9°
0%
1 AM
9°
0%
2 AM
8°
0%
3 AM
8°
0%
4 AM
6°
0%
5 AM
6°
0%
6 AM
6°
0%
7 AM
6°
0%
8 AM
7°
0%
9 AM
8°
0%
7-Day Forecast
Today
16° 4°
Clear.
Mon
15° 6°
Partly Cloudy.
Tue
15° 9°
Clear.
Wed
12° 8°
Clear with a 72% chance of rain.
Thu
9° 3°
Drizzle, 87% chance.
Fri
6° 3°
Drizzle, 82% chance.
Sat
7° 3°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 9° Clear 0% 13 mph WSW 77%
11 AM 11° Clear 0% 12 mph WSW 73%
12 PM 13° Mostly Clear 0% 12 mph W 68%
1 PM 14° Mostly Clear 0% 12 mph W 61%
2 PM 14° Mostly Clear 0% 12 mph W 57%
3 PM 14° Clear 0% 12 mph W 57%
4 PM 16° Clear 0% 10 mph W 60%
5 PM 14° Clear 0% 9 mph W 65%
6 PM 13° Clear 0% 9 mph W 67%
7 PM 13° Clear 0% 10 mph WNW 68%
8 PM 12° Clear 0% 10 mph WNW 69%
9 PM 11° Clear 0% 10 mph NW 71%
10 PM 11° Clear 0% 10 mph NW 75%
11 PM 10° Clear 0% 10 mph NW 77%
12 AM 9° Clear 0% 8 mph NW 79%
1 AM 9° Mostly Clear 0% 8 mph NW 80%
2 AM 8° Mostly Clear 0% 7 mph NW 82%
3 AM 8° Mostly Clear 0% 7 mph NW 84%
4 AM 6° Clear 0% 7 mph NW 86%
5 AM 6° Clear 0% 6 mph NW 87%
6 AM 6° Clear 0% 6 mph NW 87%
7 AM 6° Mostly Clear 0% 6 mph NW 86%
8 AM 7° Mostly Clear 0% 6 mph NW 83%
9 AM 8° Mostly Clear 0% 4 mph WNW 78%
15-Day Forecast
Today
11/8
Clear
0%
4°
16°
Mon
11/9
Partly Cloudy
0%
6°
15°
Tue
11/10
Clear
3%
9°
15°
Wed
11/11
Clear
72%
8°
12°
Thu
11/12
Drizzle
87%
3°
9°
Fri
11/13
Drizzle
82%
3°
6°
Sat
11/14
Clear
17%
3°
7°
Sun
11/15
Clear
3%
4°
11°
Mon
11/16
Clear
51%
8°
13°
Tue
11/17
Drizzle
62%
9°
13°
Wed
11/18
Drizzle
64%
10°
14°
Thu
11/19
Drizzle
69%
9°
13°
Fri
11/20
Drizzle
68%
8°
12°
Sat
11/21
Drizzle
83%
7°
10°
Sun
11/22
Drizzle
84%
7°
11°
30
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
PM2.5
Fine particulate matter
Dominant
30 AQI 5.4 µg/m³
O3
Ground-level ozone
18 AQI 19 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 30 Good 18 30
Tue 53 Moderate 15 53
Wed 65 Moderate 18 65
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 Sun Nov 8, 14:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE18 J/kg
MLCAPE52 J/kg
MUCAPE0 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index12.4
Kinematics
0–6 km Shear57 kt
0–1 km Shear20 kt
Eff. Shear—
0–1 km SRH104
0–3 km SRH153
Eff. SRH—
Storm Motion313° @ 42 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index11.6
Thermo & Levels
PWAT0.55 in
0–3 km LR3.4 °C/km
700–500 LR6.4 °C/km
Total Totals38.8
LCL938 hPa
LFC994 hPa
EL949 hPa
Freezing Lvl9,337 ft