Areal Flood Warning — De Kalb County, IL, Kane County, IL, La Salle County, IL, Lee County, IL 11:00 PM 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: 10:24 PM CDT  ·  Refresh
21°C
Feels like 22°
Mostly Cloudy
▲ 28°  /  ▼ 18°
Wind
7 mph NNE
Humidity
97%
Dew Point
20°
Pressure
29.05 inHg
Visibility
8 mi
UV Index
0.0
Cloud Cover
70%
Sunrise
5:23 AM
Sunset
8:32 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Kane County is currently mostly cloudy at 21°C. Precipitation is likely — peak probability 66% around 10 PM. Atmospheric instability is elevated (CAPE up to 943 J/kg) — isolated convective development possible. Sunrise: 5:23AM · Sunset: 8:32PM.

Alerts

Areal Flood Warning
De Kalb County, IL, Kane County, IL, La Salle County, IL, Lee County, IL
Expires 11:00 PM
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%
11 PM
21°
62%
12 AM
21°
54%
1 AM
20°
28%
2 AM
20°
31%
3 AM
19°
31%
4 AM
19°
45%
5 AM
18°
36%
6 AM
18°
24%
7 AM
18°
29%
8 AM
19°
33%
9 AM
21°
41%
10 AM
21°
45%
11 AM
22°
46%
12 PM
22°
49%
1 PM
24°
58%
2 PM
24°
39%
3 PM
24°
47%
4 PM
24°
47%
5 PM
24°
34%
6 PM
24°
24%
7 PM
23°
16%
8 PM
23°
16%
9 PM
21°
3%
7-Day Forecast
Tonight
28° 18°
Mostly Cloudy with a 66% chance of rain.
Sun
24° 17°
Rain, 58% chance.
Mon
26° 16°
Clear.
Tue
27° 14°
Clear.
Wed
27° 17°
Rain, 72% chance.
Thu
24° 17°
Rain, 82% chance.
Fri
24° 16°
Drizzle, 64% chance.
TimeTempConditionsPrecipWindHumidity
Now 21° Mostly Cloudy 66% 7 mph NNE 97%
11 PM 21° Mostly Cloudy 62% 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° Overcast 45% 5 mph NNW 93%
5 AM 18° Overcast 36% 6 mph NNW 93%
6 AM 18° Overcast 24% 7 mph N 93%
7 AM 18° Overcast 29% 8 mph N 93%
8 AM 19° Overcast 33% 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 46% 10 mph NNE 90%
12 PM 22° Overcast 49% 10 mph NNE 88%
1 PM 24° Rain 58% 11 mph NNE 86%
2 PM 24° Rain 39% 12 mph NNE 85%
3 PM 24° Rain 47% 12 mph NNE 84%
4 PM 24° Partly Cloudy 47% 11 mph NNE 83%
5 PM 24° Partly Cloudy 34% 11 mph NE 84%
6 PM 24° Partly Cloudy 24% 11 mph NE 84%
7 PM 23° Partly Cloudy 16% 10 mph NE 86%
8 PM 23° Partly Cloudy 16% 10 mph NE 86%
9 PM 21° Partly Cloudy 3% 9 mph NNE 87%
15-Day Forecast
Today
7/4
Mostly Cloudy
66%
18°
28°
Sun
7/5
Rain
58%
17°
24°
Mon
7/6
Clear
3%
16°
26°
Tue
7/7
Clear
7%
14°
27°
Wed
7/8
Rain
72%
17°
27°
Thu
7/9
Rain
82%
17°
24°
Fri
7/10
Drizzle
64%
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, 02:00'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
SBCAPE36 J/kg
MLCAPE82 J/kg
MUCAPE112 J/kg
SBCIN-45 J/kg
MLCIN0 J/kg
Lifted Index0.8
Kinematics
0–6 km Shear12 kt
0–1 km Shear6 kt
Eff. Shear10 kt
0–1 km SRH25
0–3 km SRH18
Eff. SRH-29
Storm Motion128° @ 13 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.0
Thermo & Levels
PWAT1.90 in
0–3 km LR4.7 °C/km
700–500 LR5.0 °C/km
Total Totals43.1
LCL974 hPa
LFC785 hPa
EL549 hPa
Freezing Lvl13,996 ft