Flood Warning — Hardin County, KY, Nelson County, KY 8:21 AM Heat Advisory — Hancock, KY, Breckinridge, KY, Meade, KY, Ohio, KY, Grayson, KY, Hardin, KY, Bullitt, KY, Jefferson, KY, Oldham, KY, Trimble, KY, Henry, KY, Shelby, KY, Franklin, KY, Scott, KY, Harrison, KY, Spencer, KY, Anderson, KY, Woodford, KY, Fayette, KY, Bourbon, KY, Nicholas, KY, Nelson, KY, Washington, KY, Mercer, KY, Jessamine, KY, Clark, KY, Larue, KY, Marion, KY, Boyle, KY, Garrard, KY, Madison, KY, Butler, KY, Edmonson, KY, Hart, KY, Green, KY, Taylor, KY, Casey, KY, Lincoln, KY, Logan, KY, Warren, KY, Simpson, KY, Allen, KY, Barren, KY, Monroe, KY, Metcalfe, KY, Adair, KY, Russell, KY, Cumberland, KY, Clinton, KY 8:00 PM Excessive Heat Warning — Hancock, KY, Breckinridge, KY, Meade, KY, Ohio, KY, Grayson, KY, Hardin, KY, Bullitt, KY, Jefferson, KY, Oldham, KY, Trimble, KY, Henry, KY, Shelby, KY, Franklin, KY, Scott, KY, Harrison, KY, Spencer, KY, Anderson, KY, Woodford, KY, Fayette, KY, Bourbon, KY, Nicholas, KY, Nelson, KY, Washington, KY, Mercer, KY, Jessamine, KY, Clark, KY, Larue, KY, Marion, KY, Boyle, KY, Garrard, KY, Madison, KY, Butler, KY, Edmonson, KY, Hart, KY, Green, KY, Taylor, KY, Casey, KY, Lincoln, KY, Logan, KY, Warren, KY, Simpson, KY, Allen, KY, Barren, KY, Monroe, KY, Metcalfe, KY, Adair, KY, Russell, KY, Cumberland, KY, Clinton, KY 8:00 PM

Nelson County, Kentucky, United States

Last updated: 4:29 PM CDT  ·  Refresh
32°C
Feels like 40°
Clear
▲ 33°  /  ▼ 22°
Wind
6 mph SW
Humidity
66%
Dew Point
24°
Pressure
29.40 inHg
Visibility
10 mi
UV Index
7.3
Cloud Cover
1%
Sunrise
6:23 AM
Sunset
9:07 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Nelson County is currently clear at 32°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 4075 J/kg) — isolated convective development possible. Sunrise: 6:23AM · Sunset: 9:07PM.

54 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
32°
3%
6 PM
33°
23%
7 PM
32°
23%
8 PM
31°
23%
9 PM
29°
23%
10 PM
27°
23%
11 PM
26°
16%
12 AM
26°
16%
1 AM
26°
16%
2 AM
24°
3%
3 AM
24°
6%
4 AM
23°
6%
5 AM
23°
6%
6 AM
22°
6%
7 AM
23°
17%
8 AM
24°
17%
9 AM
26°
17%
10 AM
28°
3%
11 AM
29°
3%
12 PM
31°
3%
1 PM
31°
3%
2 PM
32°
3%
3 PM
32°
3%
4 PM
32°
3%
7-Day Forecast
Today
33° 22°
Mostly Clear with a 23% chance of rain.
Wed
34° 22°
Mostly Clear.
Thu
36° 23°
Partly Cloudy.
Fri
34° 23°
Clear with a 70% chance of rain.
Sat
32° 22°
Drizzle, 60% chance.
Sun
31° 22°
Thunderstorm, 81% chance.
Mon
31° 22°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 32° Clear 3% 6 mph SW 66%
6 PM 33° Clear 23% 6 mph SW 70%
7 PM 32° Mostly Clear 23% 5 mph SW 75%
8 PM 31° Partly Cloudy 23% 4 mph SW 80%
9 PM 29° Partly Cloudy 23% 3 mph SW 83%
10 PM 27° Mostly Clear 23% 3 mph SSW 86%
11 PM 26° Clear 16% 3 mph SSW 88%
12 AM 26° Clear 16% 3 mph SSW 90%
1 AM 26° Clear 16% 3 mph S 93%
2 AM 24° Clear 3% 3 mph S 94%
3 AM 24° Mostly Clear 6% 3 mph S 95%
4 AM 23° Mostly Clear 6% 3 mph SSE 95%
5 AM 23° Fog 6% 3 mph SSE 95%
6 AM 22° Fog 6% 2 mph SE 95%
7 AM 23° Fog 17% 2 mph SE 95%
8 AM 24° Partly Cloudy 17% 2 mph SE 91%
9 AM 26° Mostly Clear 17% 2 mph SE 85%
10 AM 28° Mostly Clear 3% 2 mph SSE 80%
11 AM 29° Clear 3% 2 mph SSE 75%
12 PM 31° Clear 3% 2 mph SSE 72%
1 PM 31° Clear 3% 2 mph SSE 69%
2 PM 32° Clear 3% 2 mph S 67%
3 PM 32° Clear 3% 2 mph S 66%
4 PM 32° Clear 3% 3 mph SSW 65%
15-Day Forecast
Today
6/30
Mostly Clear
23%
22°
33°
Wed
7/1
Mostly Clear
17%
22°
34°
Thu
7/2
Partly Cloudy
16%
23°
36°
Fri
7/3
Clear
70%
23°
34°
Sat
7/4
Drizzle
60%
22°
32°
Sun
7/5
Thunderstorm
81%
22°
31°
Mon
7/6
Drizzle
60%
22°
31°
Tue
7/7
Rain
81%
21°
29°
Wed
7/8
Drizzle
60%
21°
30°
Thu
7/9
Drizzle
60%
20°
31°
Fri
7/10
Drizzle
60%
21°
29°
Sat
7/11
Drizzle
60%
20°
29°
Sun
7/12
Drizzle
60%
19°
29°
Mon
7/13
Drizzle
60%
19°
29°
Tue
7/14
Drizzle
60%
19°
29°
54
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
54 AQI 10.8 µg/m³
O3
Ground-level ozone
31 AQI 35 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 54 Moderate 31 54
Thu 55 Moderate 31 55
Fri 49 Good 36 49
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 Jun 30, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE4213 J/kg
MLCAPE2689 J/kg
MUCAPE4213 J/kg
SBCIN-77 J/kg
MLCIN0 J/kg
Lifted Index-9.3
Kinematics
0–6 km Shear3 kt
0–1 km Shear3 kt
Eff. Shear2 kt
0–1 km SRH2
0–3 km SRH-27
Eff. SRH-27
Storm Motion222° @ 18 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index11.1
Thermo & Levels
PWAT1.27 in
0–3 km LR6.2 °C/km
700–500 LR7.6 °C/km
Total Totals41.6
LCL887 hPa
LFC740 hPa
EL139 hPa
Freezing Lvl15,092 ft