Extreme 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: 12:42 AM CDT  ·  Refresh
26°C
Feels like 29°
Clear
▲ 38°  /  ▼ 23°
Wind
4 mph SSW
Humidity
78%
Dew Point
22°
Pressure
29.53 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
1%
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 2141 J/kg) — isolated convective development possible. Sunrise: 6:22AM · Sunset: 7:14PM.

Alerts

Extreme 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
26°
12%
1 AM
25°
12%
2 AM
24°
12%
3 AM
24°
4%
4 AM
24°
3%
5 AM
22°
3%
6 AM
22°
3%
7 AM
24°
3%
8 AM
27°
7%
9 AM
31°
7%
10 AM
32°
7%
11 AM
34°
7%
12 PM
35°
7%
1 PM
37°
8%
2 PM
37°
11%
3 PM
37°
12%
4 PM
36°
20%
5 PM
37°
21%
6 PM
36°
15%
7 PM
34°
16%
8 PM
33°
19%
9 PM
28°
20%
10 PM
28°
11%
11 PM
27°
9%
7-Day Forecast
Today
38° 23°
Clear.
Sat
41° 23°
Partly Cloudy with a 54% chance of rain.
Sun
35° 18°
Mostly Clear.
Mon
34° 13°
Partly Cloudy.
Tue
38° 19°
Clear.
Wed
40° 22°
Mostly Clear.
Thu
38° 21°
Partly Cloudy with a 34% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 26° Clear 12% 4 mph SSW 78%
1 AM 25° Clear 12% 4 mph SSW 80%
2 AM 24° Clear 12% 3 mph SSW 80%
3 AM 24° Clear 4% 3 mph S 81%
4 AM 24° Clear 3% 3 mph S 82%
5 AM 22° Clear 3% 3 mph S 83%
6 AM 22° Clear 3% 3 mph S 84%
7 AM 24° Clear 3% 3 mph S 78%
8 AM 27° Clear 7% 3 mph SSW 68%
9 AM 31° Clear 7% 3 mph SW 58%
10 AM 32° Clear 7% 3 mph SW 52%
11 AM 34° Clear 7% 3 mph WSW 47%
12 PM 35° Clear 7% 4 mph W 43%
1 PM 37° Clear 8% 5 mph W 42%
2 PM 37° Mostly Clear 11% 5 mph W 42%
3 PM 37° Mostly Clear 12% 6 mph W 42%
4 PM 36° Mostly Clear 20% 5 mph W 44%
5 PM 37° Mostly Clear 21% 3 mph W 48%
6 PM 36° Clear 15% 3 mph WSW 53%
7 PM 34° Clear 16% 3 mph SW 58%
8 PM 33° Clear 19% 3 mph SW 61%
9 PM 28° Clear 20% 4 mph SW 65%
10 PM 28° Clear 11% 4 mph SW 67%
11 PM 27° Clear 9% 4 mph SW 69%
15-Day Forecast
Today
9/4
Clear
15%
23°
38°
Sat
9/5
Partly Cloudy
54%
23°
41°
Sun
9/6
Mostly Clear
18%
18°
35°
Mon
9/7
Partly Cloudy
3%
13°
34°
Tue
9/8
Clear
3%
19°
38°
Wed
9/9
Mostly Clear
7%
22°
40°
Thu
9/10
Partly Cloudy
34%
21°
38°
Fri
9/11
Rain
53%
17°
37°
Sat
9/12
Drizzle
53%
19°
37°
Sun
9/13
Drizzle
45%
17°
36°
Mon
9/14
Drizzle
60%
21°
36°
Tue
9/15
Drizzle
60%
21°
36°
Wed
9/16
Drizzle
60%
20°
35°
Thu
9/17
Drizzle
60%
19°
34°
Fri
9/18
Drizzle
60%
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, 04:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE363 J/kg
MLCAPE217 J/kg
MUCAPE417 J/kg
SBCIN-489 J/kg
MLCIN-257 J/kg
Lifted Index-0.6
Kinematics
0–6 km Shear9 kt
0–1 km Shear8 kt
Eff. Shear10 kt
0–1 km SRH9
0–3 km SRH33
Eff. SRH40
Storm Motion2° @ 10 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index25.6
Thermo & Levels
PWAT1.32 in
0–3 km LR5.0 °C/km
700–500 LR5.3 °C/km
Total Totals41.1
LCL946 hPa
LFC609 hPa
EL270 hPa
Freezing Lvl16,234 ft