Areal Flood Warning — Cook County, IL, De Kalb County, IL, DuPage County, IL, Kane County, IL 11:00 AM Areal Flood Warning — Cook County, IL, DuPage County, IL, Kane County, IL, Kendall County, IL, Will County, IL 2:00 PM Flood Warning — Will County, IL, Kane County, IL, Kendall County, IL 9:24 PM

Kane County, Illinois, United States

Last updated: 11:24 PM CDT  ·  Refresh
21°C
Feels like 22°
Mostly Cloudy
▲ 28°  /  ▼ 17°
Wind
8 mph NE
Humidity
97%
Dew Point
20°
Pressure
29.05 inHg
Visibility
7 mi
UV Index
0.0
Cloud Cover
69%
Sunrise
5:23 AM
Sunset
8:32 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Kane County is currently mostly cloudy at 20°C. Precipitation is likely — peak probability 66% around 11 PM. Atmospheric instability is elevated (CAPE up to 916 J/kg) — isolated convective development possible. Sunrise: 5:23AM · Sunset: 8:32PM.

Alerts

Areal Flood Warning
Cook County, IL, De Kalb County, IL, DuPage County, IL, Kane County, IL
Expires 11:00 AM
Areal Flood Warning
Cook County, IL, DuPage County, IL, Kane County, IL, Kendall County, IL, Will County, IL
Expires 2:00 PM
Flood Warning
Will County, IL, Kane County, IL, Kendall County, IL
Expires 9:24 PM
44 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
21°
66%
12 AM
21°
54%
1 AM
20°
28%
2 AM
20°
31%
3 AM
19°
31%
4 AM
19°
31%
5 AM
18°
35%
6 AM
18°
24%
7 AM
18°
29%
8 AM
19°
32%
9 AM
21°
41%
10 AM
21°
45%
11 AM
22°
45%
12 PM
23°
46%
1 PM
24°
46%
2 PM
24°
39%
3 PM
24°
46%
4 PM
24°
47%
5 PM
25°
34%
6 PM
24°
24%
7 PM
23°
16%
8 PM
23°
16%
9 PM
20°
3%
10 PM
19°
3%
7-Day Forecast
Tonight
28° 17°
Mostly Cloudy with a 66% chance of rain.
Sun
25° 17°
Mostly Cloudy with a 45% chance of rain.
Mon
26° 16°
Clear.
Tue
27° 14°
Mostly Clear.
Wed
27° 17°
Rain, 72% chance.
Thu
24° 17°
Rain, 82% chance.
Fri
24° 16°
Drizzle, 52% chance.
TimeTempConditionsPrecipWindHumidity
Now 21° Mostly Cloudy 66% 8 mph NE 97%
12 AM 21° Partly Cloudy 54% 7 mph NE 97%
1 AM 20° Partly Cloudy 28% 6 mph NNE 96%
2 AM 20° Mostly Cloudy 31% 5 mph N 95%
3 AM 19° Mostly Cloudy 31% 4 mph NNW 94%
4 AM 19° Mostly Cloudy 31% 5 mph NNW 93%
5 AM 18° Mostly Cloudy 35% 6 mph NNW 93%
6 AM 18° Overcast 24% 7 mph N 93%
7 AM 18° Overcast 29% 7 mph N 93%
8 AM 19° Overcast 32% 8 mph N 93%
9 AM 21° Mostly Cloudy 41% 8 mph N 93%
10 AM 21° Mostly Cloudy 45% 9 mph NNE 92%
11 AM 22° Mostly Cloudy 45% 10 mph NNE 89%
12 PM 23° Overcast 46% 10 mph NNE 88%
1 PM 24° Rain 46% 11 mph NNE 86%
2 PM 24° Rain 39% 11 mph NNE 85%
3 PM 24° Rain 46% 11 mph NNE 84%
4 PM 24° Partly Cloudy 47% 11 mph NNE 83%
5 PM 25° Partly Cloudy 34% 10 mph NNE 84%
6 PM 24° Partly Cloudy 24% 10 mph NE 84%
7 PM 23° Partly Cloudy 16% 10 mph NE 86%
8 PM 23° Partly Cloudy 16% 9 mph NNE 86%
9 PM 20° Partly Cloudy 3% 9 mph NNE 87%
10 PM 19° Partly Cloudy 3% 8 mph NNE 88%
15-Day Forecast
Today
7/4
Mostly Cloudy
66%
17°
28°
Sun
7/5
Mostly Cloudy
45%
17°
25°
Mon
7/6
Clear
3%
16°
26°
Tue
7/7
Mostly Clear
7%
14°
27°
Wed
7/8
Rain
72%
17°
27°
Thu
7/9
Rain
82%
17°
24°
Fri
7/10
Drizzle
52%
16°
24°
Sat
7/11
Clear
31%
16°
24°
Sun
7/12
Drizzle
43%
14°
26°
Mon
7/13
Clear
19%
14°
26°
Tue
7/14
Clear
60%
19°
28°
Wed
7/15
Drizzle
60%
18°
27°
Thu
7/16
Drizzle
60%
18°
27°
Fri
7/17
Drizzle
60%
18°
27°
Sat
7/18
Drizzle
60%
19°
27°
44
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
44 AQI 8.0 µg/m³
O3
Ground-level ozone
36 AQI 40 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 44 Good 36 44
Mon 51 Moderate 43 51
Tue 53 Moderate 38 53
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 Jul 5, 03:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE16 J/kg
MLCAPE141 J/kg
MUCAPE310 J/kg
SBCIN-89 J/kg
MLCIN0 J/kg
Lifted Index1.1
Kinematics
0–6 km Shear15 kt
0–1 km Shear8 kt
Eff. Shear11 kt
0–1 km SRH34
0–3 km SRH16
Eff. SRH-9
Storm Motion134° @ 13 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index36.0
Thermo & Levels
PWAT1.96 in
0–3 km LR4.6 °C/km
700–500 LR5.1 °C/km
Total Totals44.0
LCL975 hPa
LFC679 hPa
EL557 hPa
Freezing Lvl13,789 ft