Heat Advisory — Jefferson, IL, Wayne, IL, Edwards, IL, Wabash, IL, Franklin, IL, Hamilton, IL, White, IL, Jackson, IL, Williamson, IL, Saline, IL, Gallatin, IL, Union, IL, Johnson, IL, Pope, IL, Hardin, IL, Alexander, IL, Pulaski, IL, Massac, IL, Gibson, IN, Pike, IN, Posey, IN, Vanderburgh, IN, Warrick, IN, Spencer, IN, Fulton, KY, Hickman, KY, Carlisle, KY, Ballard, KY, McCracken, KY, Graves, KY, Livingston, KY, Marshall, KY, Calloway, KY, Crittenden, KY, Lyon, KY, Trigg, KY, Caldwell, KY, Union, KY, Webster, KY, Hopkins, KY, Christian, KY, Henderson, KY, Daviess, KY, McLean, KY, Muhlenberg, KY, Todd, KY, Perry, MO, Bollinger, MO, Cape Girardeau, MO, Wayne, MO, Carter, MO, Ripley, MO, Butler, MO, Stoddard, MO, Scott, MO, Mississippi, MO, New Madrid, MO 8:00 PM

Henderson County, Kentucky, United States

Last updated: 8:08 AM CDT  ·  Refresh
25°C
Feels like 27°
Clear
▲ 34°  /  ▼ 23°
Wind
9 mph SSW
Humidity
84%
Dew Point
22°
Pressure
29.62 inHg
Visibility
9 mi
UV Index
5.4
Cloud Cover
8%
Sunrise
6:01 AM
Sunset
7:48 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Henderson County is currently clear at 25°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3812 J/kg) — isolated convective development possible. Sunrise: 6:01AM · Sunset: 7:48PM.

Alerts

Heat Advisory
Jefferson, IL, Wayne, IL, Edwards, IL, Wabash, IL, Franklin, IL, Hamilton, IL, White, IL, Jackson, IL, Williamson, IL, Saline, IL, Gallatin, IL, Union, IL, Johnson, IL, Pope, IL, Hardin, IL, Alexander, IL, Pulaski, IL, Massac, IL, Gibson, IN, Pike, IN, Posey, IN, Vanderburgh, IN, Warrick, IN, Spencer, IN, Fulton, KY, Hickman, KY, Carlisle, KY, Ballard, KY, McCracken, KY, Graves, KY, Livingston, KY, Marshall, KY, Calloway, KY, Crittenden, KY, Lyon, KY, Trigg, KY, Caldwell, KY, Union, KY, Webster, KY, Hopkins, KY, Christian, KY, Henderson, KY, Daviess, KY, McLean, KY, Muhlenberg, KY, Todd, KY, Perry, MO, Bollinger, MO, Cape Girardeau, MO, Wayne, MO, Carter, MO, Ripley, MO, Butler, MO, Stoddard, MO, Scott, MO, Mississippi, MO, New Madrid, MO
Expires 8:00 PM
45 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
25°
15%
9 AM
26°
23%
10 AM
28°
23%
11 AM
29°
23%
12 PM
31°
18%
1 PM
33°
7%
2 PM
33°
7%
3 PM
33°
7%
4 PM
33°
7%
5 PM
33°
7%
6 PM
32°
3%
7 PM
31°
3%
8 PM
30°
3%
9 PM
28°
5%
10 PM
27°
13%
11 PM
27°
13%
12 AM
27°
13%
1 AM
26°
13%
2 AM
26°
14%
3 AM
25°
14%
4 AM
25°
14%
5 AM
24°
14%
6 AM
24°
14%
7 AM
24°
16%
7-Day Forecast
Today
34° 23°
Mostly Clear with a 23% chance of rain.
Tue
34° 24°
Mostly Clear.
Wed
36° 24°
Mostly Clear with a 74% chance of rain.
Thu
34° 23°
Mostly Clear with a 68% chance of rain.
Fri
31° 22°
Rain, 73% chance.
Sat
34° 22°
Drizzle, 52% chance.
Sun
36° 24°
Clear with a 48% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 25° Clear 15% 9 mph SSW 84%
9 AM 26° Clear 23% 11 mph SW 78%
10 AM 28° Clear 23% 11 mph SW 73%
11 AM 29° Clear 23% 12 mph SW 70%
12 PM 31° Clear 18% 12 mph SW 66%
1 PM 33° Clear 7% 13 mph SW 62%
2 PM 33° Clear 7% 13 mph SW 62%
3 PM 33° Clear 7% 12 mph SW 61%
4 PM 33° Mostly Clear 7% 12 mph SW 61%
5 PM 33° Partly Cloudy 7% 10 mph SW 64%
6 PM 32° Partly Cloudy 3% 9 mph SW 68%
7 PM 31° Partly Cloudy 3% 7 mph SSW 73%
8 PM 30° Partly Cloudy 3% 7 mph SSW 74%
9 PM 28° Mostly Clear 5% 7 mph SSW 76%
10 PM 27° Mostly Clear 13% 8 mph SSW 77%
11 PM 27° Mostly Clear 13% 8 mph SSW 79%
12 AM 27° Mostly Clear 13% 8 mph SSW 81%
1 AM 26° Partly Cloudy 13% 8 mph SSW 82%
2 AM 26° Partly Cloudy 14% 9 mph SSW 82%
3 AM 25° Partly Cloudy 14% 9 mph SSW 82%
4 AM 25° Partly Cloudy 14% 9 mph SW 82%
5 AM 24° Partly Cloudy 14% 10 mph SW 84%
6 AM 24° Partly Cloudy 14% 10 mph SW 85%
7 AM 24° Clear 16% 11 mph SW 86%
15-Day Forecast
Today
8/10
Mostly Clear
23%
23°
34°
Tue
8/11
Mostly Clear
16%
24°
34°
Wed
8/12
Mostly Clear
74%
24°
36°
Thu
8/13
Mostly Clear
68%
23°
34°
Fri
8/14
Rain
73%
22°
31°
Sat
8/15
Drizzle
52%
22°
34°
Sun
8/16
Clear
48%
24°
36°
Mon
8/17
Rain
57%
21°
32°
Tue
8/18
Clear
40%
19°
32°
Wed
8/19
Thunderstorm
45%
21°
32°
Thu
8/20
Clear
60%
22°
34°
Fri
8/21
Drizzle
90%
21°
33°
Sat
8/22
Drizzle
60%
21°
32°
Sun
8/23
Drizzle
60%
21°
33°
Mon
8/24
Clear
60%
21°
32°
45
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
45 AQI 8.1 µg/m³
O3
Ground-level ozone
40 AQI 43 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 45 Good 40 45
Wed 38 Good 38 26
Thu 36 Good 36 28
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 Mon Aug 10, 11:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1416 J/kg
MLCAPE1316 J/kg
MUCAPE1499 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-6.2
Kinematics
0–6 km Shear14 kt
0–1 km Shear18 kt
Eff. Shear12 kt
0–1 km SRH112
0–3 km SRH131
Eff. SRH131
Storm Motion348° @ 9 kt
0–1 km EHI1.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index26.8
Thermo & Levels
PWAT1.63 in
0–3 km LR4.2 °C/km
700–500 LR7.9 °C/km
Total Totals52.4
LCL967 hPa
LFC1003 hPa
EL200 hPa
Freezing Lvl14,905 ft