High Wind Watch 7:00 AM

Chicago, Illinois

Last updated: 12:41 AM CDT  ·  Refresh
13°C
Feels like 12°
Partly Cloudy
▲ 21°  /  ▼ 14°
Wind
2 mph S
Humidity
68%
Dew Point
9°
Pressure
29.47 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
40%
Sunrise
6:56 AM
Sunset
6:18 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Chicago is currently partly cloudy at 14°C. Precipitation is likely — peak probability 55% around 2 PM. Sunrise: 6:56AM · Sunset: 6:18PM.

Alerts

High Wind Watch
Expires 7:00 AM
35 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
13°
25%
1 AM
14°
13%
2 AM
13°
15%
3 AM
13°
9%
4 AM
13°
11%
5 AM
12°
13%
6 AM
12°
15%
7 AM
12°
22%
8 AM
13°
24%
9 AM
15°
24%
10 AM
16°
37%
11 AM
18°
42%
12 PM
19°
43%
1 PM
20°
53%
2 PM
20°
55%
3 PM
20°
55%
4 PM
19°
41%
5 PM
19°
41%
6 PM
19°
25%
7 PM
18°
19%
8 PM
18°
15%
9 PM
17°
15%
10 PM
17°
14%
11 PM
17°
14%
7-Day Forecast
Today
21° 14°
Overcast with a 55% chance of rain.
Sat
27° 14°
Overcast.
Sun
24° 15°
Overcast.
Mon
31° 16°
Overcast with a 44% chance of rain.
Tue
26° 14°
Clear.
Wed
22° 13°
Drizzle, 78% chance.
Thu
27° 14°
Rain, 82% chance.
TimeTempConditionsPrecipWindHumidity
Now 13° Partly Cloudy 25% 2 mph S 68%
1 AM 14° Mostly Cloudy 13% 3 mph SSE 61%
2 AM 13° Mostly Cloudy 15% 3 mph SSE 63%
3 AM 13° Mostly Cloudy 9% 3 mph SE 65%
4 AM 13° Mostly Cloudy 11% 3 mph SSE 67%
5 AM 12° Overcast 13% 2 mph SSE 69%
6 AM 12° Overcast 15% 3 mph SSE 70%
7 AM 12° Overcast 22% 3 mph SSE 69%
8 AM 13° Overcast 24% 3 mph SSE 67%
9 AM 15° Overcast 24% 4 mph SSE 65%
10 AM 16° Overcast 37% 4 mph SSE 63%
11 AM 18° Overcast 42% 3 mph SSE 60%
12 PM 19° Overcast 43% 4 mph SE 58%
1 PM 20° Mostly Cloudy 53% 5 mph ESE 62%
2 PM 20° Mostly Cloudy 55% 6 mph ESE 65%
3 PM 20° Mostly Cloudy 55% 6 mph ESE 67%
4 PM 19° Mostly Cloudy 41% 6 mph E 71%
5 PM 19° Mostly Cloudy 41% 6 mph E 75%
6 PM 19° Mostly Cloudy 25% 6 mph E 78%
7 PM 18° Partly Cloudy 19% 6 mph ESE 80%
8 PM 18° Partly Cloudy 15% 7 mph ESE 80%
9 PM 17° Partly Cloudy 15% 7 mph ESE 80%
10 PM 17° Partly Cloudy 14% 8 mph SE 78%
11 PM 17° Partly Cloudy 14% 8 mph SE 76%
15-Day Forecast
Today
10/9
Overcast
55%
14°
21°
Sat
10/10
Overcast
6%
14°
27°
Sun
10/11
Overcast
13%
15°
24°
Mon
10/12
Overcast
44%
16°
31°
Tue
10/13
Clear
16%
14°
26°
Wed
10/14
Drizzle
78%
13°
22°
Thu
10/15
Rain
82%
14°
27°
Fri
10/16
Drizzle
53%
8°
23°
Sat
10/17
Drizzle
44%
7°
16°
Sun
10/18
Clear
21%
7°
17°
Mon
10/19
Clear
60%
8°
19°
Tue
10/20
Clear
25%
10°
20°
Wed
10/21
Clear
25%
12°
22°
Thu
10/22
Drizzle
60%
11°
19°
Fri
10/23
Drizzle
60%
9°
19°
35
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
21 AQI 3.8 µg/m³
O3
Ground-level ozone
Dominant
35 AQI 39 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 35 Good 35 21
Sat 52 Moderate 39 52
Sun 49 Good 44 49
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 Fri Oct 9, 04:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 90 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE18 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index10.0
Kinematics
0–6 km Shear66 kt
0–1 km Shear13 kt
Eff. Shear—
0–1 km SRH60
0–3 km SRH170
Eff. SRH—
Storm Motion316° @ 38 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index11.2
Thermo & Levels
PWAT0.66 in
0–3 km LR4.5 °C/km
700–500 LR5.5 °C/km
Total Totals28.9
LCL931 hPa
LFC—
EL—
Freezing Lvl9,895 ft