Severe Thunderstorm Watch 10:00 PM Severe Thunderstorm Watch 10:00 PM

Iroquois County, Illinois, United States

Last updated: 9:13 PM CDT  ·  Refresh
22°C
Feels like 24°
Mostly Cloudy
▲ 27°  /  ▼ 13°
Wind
4 mph SW
Humidity
91%
Dew Point
19°
Pressure
29.27 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
74%
Sunrise
6:07 AM
Sunset
7:40 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Iroquois County is currently mostly cloudy at 21°C. Precipitation is likely — peak probability 50% around 12 AM. Atmospheric instability is elevated (CAPE up to 1620 J/kg) — isolated convective development possible. Sunrise: 6:07AM · Sunset: 7:40PM.

Alerts

Severe Thunderstorm Watch
Expires 10:00 PM
Severe Thunderstorm Watch
Expires 10:00 PM
36 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
22°
28%
10 PM
21°
27%
11 PM
21°
33%
12 AM
21°
50%
1 AM
21°
40%
2 AM
20°
44%
3 AM
19°
24%
4 AM
19°
10%
5 AM
18°
11%
6 AM
18°
6%
7 AM
18°
6%
8 AM
19°
13%
9 AM
21°
22%
10 AM
22°
31%
11 AM
23°
32%
12 PM
24°
32%
1 PM
26°
26%
2 PM
26°
26%
3 PM
26°
27%
4 PM
27°
27%
5 PM
26°
23%
6 PM
26°
13%
7 PM
24°
3%
8 PM
23°
3%
7-Day Forecast
Tonight
27° 13°
Mostly Cloudy with a 28% chance of rain.
Sat
27° 15°
Mostly Clear with a 50% chance of rain.
Sun
25° 13°
Partly Cloudy.
Mon
23° 12°
Overcast with a 37% chance of rain.
Tue
24° 12°
Clear with a 29% chance of rain.
Wed
27° 14°
Rain, 64% chance.
Thu
28° 17°
Rain, 64% chance.
TimeTempConditionsPrecipWindHumidity
Now 22° Mostly Cloudy 28% 4 mph SW 91%
10 PM 21° Partly Cloudy 27% 5 mph SSW 91%
11 PM 21° Mostly Cloudy 33% 6 mph S 91%
12 AM 21° Rain 50% 6 mph SSW 92%
1 AM 21° Rain 40% 6 mph SW 92%
2 AM 20° Partly Cloudy 44% 6 mph SW 95%
3 AM 19° Partly Cloudy 24% 6 mph WSW 97%
4 AM 19° Mostly Clear 10% 6 mph WSW 97%
5 AM 18° Partly Cloudy 11% 6 mph W 97%
6 AM 18° Partly Cloudy 6% 7 mph WNW 96%
7 AM 18° Partly Cloudy 6% 8 mph WNW 96%
8 AM 19° Partly Cloudy 13% 10 mph NW 93%
9 AM 21° Fog 22% 11 mph NW 88%
10 AM 22° Haze 31% 12 mph NW 83%
11 AM 23° Mostly Clear 32% 12 mph NW 77%
12 PM 24° Mostly Clear 32% 12 mph NW 74%
1 PM 26° Mostly Clear 26% 12 mph NW 71%
2 PM 26° Mostly Clear 26% 12 mph NW 70%
3 PM 26° Clear 27% 12 mph NW 70%
4 PM 27° Clear 27% 12 mph NW 70%
5 PM 26° Mostly Clear 23% 11 mph NW 74%
6 PM 26° Mostly Clear 13% 10 mph NW 77%
7 PM 24° Mostly Clear 3% 9 mph NW 78%
8 PM 23° Mostly Clear 3% 9 mph NW 78%
15-Day Forecast
Today
8/21
Mostly Cloudy
28%
13°
27°
Sat
8/22
Mostly Clear
50%
15°
27°
Sun
8/23
Partly Cloudy
3%
13°
25°
Mon
8/24
Overcast
37%
12°
23°
Tue
8/25
Clear
29%
12°
24°
Wed
8/26
Rain
64%
14°
27°
Thu
8/27
Rain
64%
17°
28°
Fri
8/28
Clear
17%
17°
27°
Sat
8/29
Thunderstorm
65%
17°
28°
Sun
8/30
Rain
68%
19°
28°
Mon
8/31
Drizzle
64%
19°
32°
Tue
9/1
Drizzle
60%
19°
31°
Wed
9/2
Drizzle
60%
18°
28°
Thu
9/3
Drizzle
60%
17°
27°
Fri
9/4
Drizzle
60%
17°
28°
36
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
36 AQI 6.4 µg/m³
O3
Ground-level ozone
35 AQI 38 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 36 Good 35 36
Sun 28 Good 28 19
Mon 26 Good 26 12
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 Sat Aug 22, 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
SBCAPE813 J/kg
MLCAPE723 J/kg
MUCAPE854 J/kg
SBCIN-212 J/kg
MLCIN-146 J/kg
Lifted Index-3.5
Kinematics
0–6 km Shear32 kt
0–1 km Shear16 kt
Eff. Shear29 kt
0–1 km SRH102
0–3 km SRH129
Eff. SRH129
Storm Motion330° @ 20 kt
0–1 km EHI0.5
Composite Parameters
Sig. Tornado0.3
STP (eff)0.1
Supercell1.6
K-Index26.9
Thermo & Levels
PWAT1.45 in
0–3 km LR5.1 °C/km
700–500 LR6.8 °C/km
Total Totals48.9
LCL960 hPa
LFC711 hPa
EL243 hPa
Freezing Lvl12,477 ft