Frost Advisory — Louisa, IA, Henry, IA, Des Moines, IA, Van Buren, IA, Lee, IA, Henry, IL, Bureau, IL, Putnam, IL, Mercer, IL, Henderson, IL, Warren, IL, Hancock, IL, McDonough, IL, Scotland, MO, Clark, MO 9:00 AM

Henderson County, Illinois, United States

Last updated: 7:41 PM CDT  ·  Refresh
9°C
Feels like 6°
Partly Cloudy
▲ 12°  /  ▼ 2°
Wind
13 mph NNW
Humidity
74%
Dew Point
5°
Pressure
29.67 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
32%
Sunrise
7:15 AM
Sunset
6:21 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Henderson County is currently partly cloudy at 9°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:15AM · Sunset: 6:21PM.

Alerts

Frost Advisory
Louisa, IA, Henry, IA, Des Moines, IA, Van Buren, IA, Lee, IA, Henry, IL, Bureau, IL, Putnam, IL, Mercer, IL, Henderson, IL, Warren, IL, Hancock, IL, McDonough, IL, Scotland, MO, Clark, MO
Expires 9:00 AM
23 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
9°
12%
8 PM
9°
11%
9 PM
7°
6%
10 PM
7°
6%
11 PM
6°
4%
12 AM
6°
3%
1 AM
5°
3%
2 AM
4°
3%
3 AM
4°
3%
4 AM
3°
3%
5 AM
2°
3%
6 AM
2°
3%
7 AM
2°
3%
8 AM
4°
3%
9 AM
6°
3%
10 AM
8°
3%
11 AM
9°
3%
12 PM
11°
3%
1 PM
13°
3%
2 PM
13°
3%
3 PM
13°
3%
4 PM
13°
3%
5 PM
11°
3%
6 PM
9°
3%
7-Day Forecast
Tonight
12° 2°
Partly Cloudy.
Sat
14° 2°
Mostly Clear.
Sun
19° 4°
Clear.
Mon
23° 6°
Mostly Clear.
Tue
24° 9°
Mostly Clear.
Wed
26° 11°
Partly Cloudy.
Thu
27° 12°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 9° Partly Cloudy 12% 13 mph NNW 74%
8 PM 9° Clear 11% 12 mph NNW 74%
9 PM 7° Clear 6% 11 mph NNW 76%
10 PM 7° Clear 6% 10 mph N 77%
11 PM 6° Clear 4% 9 mph N 79%
12 AM 6° Clear 3% 8 mph N 82%
1 AM 5° Clear 3% 7 mph N 83%
2 AM 4° Clear 3% 6 mph N 84%
3 AM 4° Clear 3% 5 mph N 85%
4 AM 3° Clear 3% 5 mph N 85%
5 AM 2° Mostly Clear 3% 4 mph N 85%
6 AM 2° Mostly Clear 3% 3 mph NNW 86%
7 AM 2° Mostly Clear 3% 3 mph NNW 83%
8 AM 4° Mostly Clear 3% 2 mph NW 78%
9 AM 6° Mostly Clear 3% 2 mph WSW 72%
10 AM 8° Mostly Clear 3% 2 mph SW 63%
11 AM 9° Mostly Clear 3% 3 mph SW 53%
12 PM 11° Clear 3% 4 mph SW 46%
1 PM 13° Clear 3% 4 mph SW 42%
2 PM 13° Clear 3% 5 mph SW 41%
3 PM 13° Clear 3% 5 mph SW 40%
4 PM 13° Clear 3% 5 mph SSW 42%
5 PM 11° Clear 3% 5 mph SSW 46%
6 PM 9° Clear 3% 5 mph SSW 49%
15-Day Forecast
Today
10/16
Partly Cloudy
12%
2°
12°
Sat
10/17
Mostly Clear
3%
2°
14°
Sun
10/18
Clear
3%
4°
19°
Mon
10/19
Mostly Clear
3%
6°
23°
Tue
10/20
Mostly Clear
3%
9°
24°
Wed
10/21
Partly Cloudy
9%
11°
26°
Thu
10/22
Clear
14%
12°
27°
Fri
10/23
Clear
8%
13°
27°
Sat
10/24
Mostly Cloudy
35%
12°
27°
Sun
10/25
Drizzle
51%
9°
21°
Mon
10/26
Drizzle
64%
8°
19°
Tue
10/27
Drizzle
60%
7°
18°
Wed
10/28
Drizzle
60%
8°
19°
Thu
10/29
Drizzle
60%
8°
21°
Fri
10/30
Drizzle
60%
8°
19°
23
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
21 AQI 3.9 µg/m³
O3
Ground-level ozone
Dominant
23 AQI 26 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 23 Good 23 21
Sun 27 Good 27 7
Mon 30 Good 30 23
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 Fri Oct 16, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE3 J/kg
MUCAPE18 J/kg
SBCIN-120 J/kg
MLCIN-40 J/kg
Lifted Index13.6
Kinematics
0–6 km Shear52 kt
0–1 km Shear20 kt
Eff. Shear—
0–1 km SRH117
0–3 km SRH127
Eff. SRH—
Storm Motion24° @ 39 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index3.7
Thermo & Levels
PWAT0.45 in
0–3 km LR5.7 °C/km
700–500 LR4.1 °C/km
Total Totals32.9
LCL939 hPa
LFC827 hPa
EL822 hPa
Freezing Lvl4,314 ft