Excessive Heat Warning — Jefferson, IL, Wayne, IL, Edwards, IL, Wabash, IL, Perry, 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: 2:26 AM CDT  ·  Refresh
24°C
Feels like 28°
Clear
▲ 38°  /  ▼ 23°
Wind
3 mph SW
Humidity
81%
Dew Point
22°
Pressure
29.53 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
2%
Sunrise
6:22 AM
Sunset
7:14 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 1963 J/kg) — isolated convective development possible. Sunrise: 6:22AM · Sunset: 7:14PM.

Alerts

Excessive Heat Warning
Jefferson, IL, Wayne, IL, Edwards, IL, Wabash, IL, Perry, 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
56 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
13%
3 AM
24°
4%
4 AM
24°
4%
5 AM
23°
4%
6 AM
23°
4%
7 AM
23°
4%
8 AM
27°
9%
9 AM
31°
9%
10 AM
33°
7%
11 AM
34°
7%
12 PM
35°
8%
1 PM
37°
8%
2 PM
37°
10%
3 PM
37°
10%
4 PM
36°
19%
5 PM
37°
20%
6 PM
36°
18%
7 PM
35°
18%
8 PM
34°
18%
9 PM
28°
19%
10 PM
28°
9%
11 PM
27°
9%
12 AM
27°
9%
1 AM
27°
9%
7-Day Forecast
Today
38° 23°
Clear with a 20% chance of rain.
Sat
38° 23°
Partly Cloudy with a 67% chance of rain.
Sun
35° 18°
Partly Cloudy.
Mon
33° 13°
Partly Cloudy.
Tue
37° 19°
Clear.
Wed
40° 22°
Clear.
Thu
37° 20°
Clear with a 31% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 24° Clear 13% 3 mph SW 81%
3 AM 24° Clear 4% 3 mph SSW 82%
4 AM 24° Clear 4% 4 mph S 82%
5 AM 23° Clear 4% 3 mph S 82%
6 AM 23° Clear 4% 3 mph S 83%
7 AM 23° Clear 4% 3 mph S 80%
8 AM 27° Clear 9% 3 mph SSW 70%
9 AM 31° Clear 9% 3 mph SSW 60%
10 AM 33° Clear 7% 3 mph SW 53%
11 AM 34° Clear 7% 3 mph WSW 48%
12 PM 35° Clear 8% 4 mph WSW 44%
1 PM 37° Clear 8% 5 mph W 42%
2 PM 37° Mostly Clear 10% 5 mph W 42%
3 PM 37° Mostly Clear 10% 6 mph W 42%
4 PM 36° Mostly Clear 19% 6 mph W 44%
5 PM 37° Mostly Clear 20% 4 mph W 48%
6 PM 36° Clear 18% 3 mph WSW 52%
7 PM 35° Clear 18% 3 mph SW 57%
8 PM 34° Clear 18% 4 mph SW 62%
9 PM 28° Clear 19% 4 mph SW 66%
10 PM 28° Clear 9% 4 mph SW 68%
11 PM 27° Clear 9% 3 mph SW 70%
12 AM 27° Clear 9% 4 mph SW 72%
1 AM 27° Clear 9% 4 mph SW 74%
15-Day Forecast
Today
9/4
Clear
20%
23°
38°
Sat
9/5
Partly Cloudy
67%
23°
38°
Sun
9/6
Partly Cloudy
17%
18°
35°
Mon
9/7
Partly Cloudy
3%
13°
33°
Tue
9/8
Clear
3%
19°
37°
Wed
9/9
Clear
17%
22°
40°
Thu
9/10
Clear
31%
20°
37°
Fri
9/11
Rain
69%
16°
35°
Sat
9/12
Drizzle
68%
20°
40°
Sun
9/13
Drizzle
44%
17°
36°
Mon
9/14
Clear
60%
21°
37°
Tue
9/15
Drizzle
60%
22°
37°
Wed
9/16
Drizzle
60%
21°
37°
Thu
9/17
Drizzle
60%
19°
34°
Fri
9/18
Clear
25%
19°
34°
56
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
56 AQI 12.1 µg/m³
O3
Ground-level ozone
43 AQI 47 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 56 Moderate 43 56
Sat 59 Moderate 45 59
Sun 56 Moderate 49 56
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 Sep 4, 06:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE297 J/kg
MLCAPE474 J/kg
MUCAPE567 J/kg
SBCIN-468 J/kg
MLCIN-197 J/kg
Lifted Index-0.9
Kinematics
0–6 km Shear7 kt
0–1 km Shear9 kt
Eff. Shear5 kt
0–1 km SRH25
0–3 km SRH36
Eff. SRH32
Storm Motion337° @ 11 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.2
Thermo & Levels
PWAT1.63 in
0–3 km LR4.9 °C/km
700–500 LR5.2 °C/km
Total Totals46.6
LCL961 hPa
LFC571 hPa
EL278 hPa
Freezing Lvl16,421 ft