Henderson County, IL

Last updated: 11:16 PM CDT  ·  Refresh
27°C
Feels like 30°
Partly Cloudy
▲ 32°  /  ▼ 24°
Wind
5 mph E
Humidity
82%
Dew Point
24°
Pressure
29.95 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
58%
Sunrise
6:40 AM
Sunset
7:28 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Henderson County is currently partly cloudy at 27°C. Precipitation is likely — peak probability 65% around 2 PM. Atmospheric instability is elevated (CAPE up to 2066 J/kg) — isolated convective development possible. Sunrise: 6:40AM · Sunset: 7:28PM.

Alerts

No active alerts for this location.
27 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
3%
12 AM
27°
3%
1 AM
27°
3%
2 AM
26°
5%
3 AM
26°
8%
4 AM
26°
8%
5 AM
24°
11%
6 AM
24°
17%
7 AM
24°
23%
8 AM
26°
35%
9 AM
28°
45%
10 AM
30°
53%
11 AM
31°
59%
12 PM
31°
64%
1 PM
33°
64%
2 PM
33°
65%
3 PM
33°
60%
4 PM
32°
52%
5 PM
33°
52%
6 PM
32°
26%
7 PM
32°
13%
8 PM
32°
13%
9 PM
31°
12%
10 PM
30°
12%
7-Day Forecast
Tonight
32° 24°
Partly Cloudy.
Tue
34° 24°
Rain, 65% chance.
Wed
36° 24°
Rain, 60% chance.
Thu
36° 24°
Partly Cloudy with a 78% chance of rain.
Fri
34° 24°
Drizzle, 60% chance.
Sat
34° 23°
Rain, 81% chance.
Sun
36° 23°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 27° Partly Cloudy 3% 5 mph E 82%
12 AM 27° Partly Cloudy 3% 6 mph ESE 82%
1 AM 27° Mostly Cloudy 3% 6 mph ESE 85%
2 AM 26° Partly Cloudy 5% 5 mph ESE 87%
3 AM 26° Partly Cloudy 8% 5 mph E 88%
4 AM 26° Partly Cloudy 8% 4 mph E 90%
5 AM 24° Partly Cloudy 11% 5 mph E 90%
6 AM 24° Mostly Clear 17% 5 mph E 91%
7 AM 24° Mostly Clear 23% 5 mph E 90%
8 AM 26° Mostly Clear 35% 6 mph ESE 84%
9 AM 28° Partly Cloudy 45% 7 mph ESE 76%
10 AM 30° Mostly Cloudy 53% 8 mph ESE 71%
11 AM 31° Rain 59% 8 mph ESE 68%
12 PM 31° Rain 64% 8 mph SE 66%
1 PM 33° Rain 64% 8 mph SE 64%
2 PM 33° Rain 65% 8 mph SE 65%
3 PM 33° Rain 60% 9 mph SSE 64%
4 PM 32° Mostly Cloudy 52% 8 mph SSE 65%
5 PM 33° Mostly Cloudy 52% 8 mph SSE 67%
6 PM 32° Mostly Cloudy 26% 8 mph SSE 70%
7 PM 32° Partly Cloudy 13% 8 mph SSE 72%
8 PM 32° Mostly Cloudy 13% 7 mph SSE 74%
9 PM 31° Mostly Cloudy 12% 7 mph SSE 76%
10 PM 30° Mostly Cloudy 12% 7 mph SSE 77%
15-Day Forecast
Today
8/31
Partly Cloudy
3%
24°
32°
Tue
9/1
Rain
65%
24°
34°
Wed
9/2
Rain
60%
24°
36°
Thu
9/3
Partly Cloudy
78%
24°
36°
Fri
9/4
Drizzle
60%
24°
34°
Sat
9/5
Rain
81%
23°
34°
Sun
9/6
Drizzle
60%
23°
36°
Mon
9/7
Rain
81%
23°
37°
Tue
9/8
Drizzle
60%
23°
37°
Wed
9/9
Drizzle
60%
23°
36°
Thu
9/10
Drizzle
60%
24°
34°
Fri
9/11
Drizzle
60%
23°
34°
Sat
9/12
Drizzle
60%
23°
34°
Sun
9/13
Drizzle
60%
23°
34°
Mon
9/14
Drizzle
60%
22°
33°
27
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
10 AQI 1.8 µg/m³
O3
Ground-level ozone
Dominant
27 AQI 30 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 27 Good 27 10
Wed 42 Good 42 27
Thu 43 Good 43 31
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 Tue Sep 1, 03:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1209 J/kg
MLCAPE334 J/kg
MUCAPE1209 J/kg
SBCIN-101 J/kg
MLCIN-98 J/kg
Lifted Index-3.2
Kinematics
0–6 km Shear11 kt
0–1 km Shear18 kt
Eff. Shear10 kt
0–1 km SRH52
0–3 km SRH62
Eff. SRH62
Storm Motion139° @ 23 kt
0–1 km EHI0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index32.1
Thermo & Levels
PWAT2.19 in
0–3 km LR5.3 °C/km
700–500 LR5.4 °C/km
Total Totals40.9
LCL974 hPa
LFC822 hPa
EL149 hPa
Freezing Lvl16,693 ft