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: 9:23 PM CDT  ·  Refresh
21°C
Feels like 23°
Mostly Cloudy
▲ 28°  /  ▼ 17°
Wind
7 mph NE
Humidity
97%
Dew Point
20°
Pressure
29.06 inHg
Visibility
8 mi
UV Index
0.0
Cloud Cover
66%
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 21°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 894 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°
36%
10 PM
21°
43%
11 PM
20°
43%
12 AM
20°
47%
1 AM
20°
34%
2 AM
19°
38%
3 AM
19°
45%
4 AM
19°
31%
5 AM
17°
31%
6 AM
18°
20%
7 AM
18°
25%
8 AM
19°
26%
9 AM
20°
46%
10 AM
21°
42%
11 AM
22°
46%
12 PM
23°
37%
1 PM
24°
37%
2 PM
24°
38%
3 PM
25°
38%
4 PM
26°
38%
5 PM
25°
34%
6 PM
24°
20%
7 PM
24°
11%
8 PM
23°
11%
7-Day Forecast
Tonight
28° 17°
Mostly Cloudy with a 36% chance of rain.
Sun
26° 17°
Mostly Cloudy with a 47% chance of rain.
Mon
26° 16°
Clear.
Tue
27° 15°
Clear.
Wed
27° 18°
Rain, 72% chance.
Thu
24° 17°
Rain, 82% chance.
Fri
24° 16°
Rain, 64% chance.
TimeTempConditionsPrecipWindHumidity
Now 21° Mostly Cloudy 36% 7 mph NE 97%
10 PM 21° Mostly Cloudy 43% 7 mph NE 97%
11 PM 20° Mostly Cloudy 43% 7 mph NNE 98%
12 AM 20° Overcast 47% 6 mph NNE 98%
1 AM 20° Overcast 34% 6 mph N 97%
2 AM 19° Overcast 38% 6 mph N 96%
3 AM 19° Overcast 45% 6 mph N 95%
4 AM 19° Overcast 31% 6 mph N 94%
5 AM 17° Overcast 31% 6 mph N 94%
6 AM 18° Mostly Cloudy 20% 7 mph N 94%
7 AM 18° Mostly Cloudy 25% 8 mph N 94%
8 AM 19° Overcast 26% 8 mph N 93%
9 AM 20° Mostly Cloudy 46% 8 mph NNE 92%
10 AM 21° Mostly Cloudy 42% 8 mph NNE 91%
11 AM 22° Mostly Cloudy 46% 9 mph NNE 88%
12 PM 23° Mostly Cloudy 37% 10 mph NNE 86%
1 PM 24° Mostly Cloudy 37% 11 mph NNE 84%
2 PM 24° Mostly Cloudy 38% 11 mph NNE 82%
3 PM 25° Overcast 38% 11 mph NNE 80%
4 PM 26° Mostly Cloudy 38% 11 mph NNE 79%
5 PM 25° Mostly Cloudy 34% 10 mph NNE 80%
6 PM 24° Mostly Cloudy 20% 10 mph NNE 81%
7 PM 24° Mostly Cloudy 11% 10 mph NNE 82%
8 PM 23° Partly Cloudy 11% 9 mph NNE 84%
15-Day Forecast
Today
7/4
Mostly Cloudy
36%
17°
28°
Sun
7/5
Mostly Cloudy
47%
17°
26°
Mon
7/6
Clear
3%
16°
26°
Tue
7/7
Clear
7%
15°
27°
Wed
7/8
Rain
72%
18°
27°
Thu
7/9
Rain
82%
17°
24°
Fri
7/10
Rain
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°
28°
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, 01:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE79 J/kg
MLCAPE105 J/kg
MUCAPE358 J/kg
SBCIN-30 J/kg
MLCIN0 J/kg
Lifted Index-0.2
Kinematics
0–6 km Shear15 kt
0–1 km Shear4 kt
Eff. Shear10 kt
0–1 km SRH15
0–3 km SRH2
Eff. SRH-1
Storm Motion150° @ 12 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.0
Thermo & Levels
PWAT1.93 in
0–3 km LR4.7 °C/km
700–500 LR5.4 °C/km
Total Totals45.6
LCL974 hPa
LFC786 hPa
EL490 hPa
Freezing Lvl13,720 ft