Heat Advisory — Hancock, KY, Ohio, KY, Butler, KY, Logan, KY, Warren, KY, Simpson, KY, Breckinridge, KY, Meade, 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, Edmonson, KY, Hart, KY, Green, KY, Taylor, KY, Casey, KY, Lincoln, 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

Simpson County, Kentucky, United States

Last updated: 3:22 PM CDT  ·  Refresh
34°C
Feels like 40°
Mostly Clear
▲ 35°  /  ▼ 23°
Wind
4 mph SW
Humidity
57%
Dew Point
23°
Pressure
29.35 inHg
Visibility
10 mi
UV Index
8.5
Cloud Cover
23%
Sunrise
5:30 AM
Sunset
8:09 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Simpson County is currently mostly clear at 34°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3179 J/kg) — isolated convective development possible. Sunrise: 5:30AM · Sunset: 8:09PM.

Alerts

Heat Advisory
Hancock, KY, Ohio, KY, Butler, KY, Logan, KY, Warren, KY, Simpson, KY, Breckinridge, KY, Meade, 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, Edmonson, KY, Hart, KY, Green, KY, Taylor, KY, Casey, KY, Lincoln, KY, Allen, KY, Barren, KY, Monroe, KY, Metcalfe, KY, Adair, KY, Russell, KY, Cumberland, KY, Clinton, KY
Expires 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
Expires 8:00 PM
56 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
34°
3%
4 PM
34°
3%
5 PM
35°
3%
6 PM
34°
3%
7 PM
33°
3%
8 PM
32°
3%
9 PM
29°
3%
10 PM
28°
3%
11 PM
27°
3%
12 AM
27°
3%
1 AM
26°
3%
2 AM
25°
3%
3 AM
24°
3%
4 AM
24°
3%
5 AM
23°
3%
6 AM
23°
3%
7 AM
25°
3%
8 AM
27°
3%
9 AM
29°
3%
10 AM
31°
3%
11 AM
31°
3%
12 PM
32°
3%
1 PM
33°
3%
2 PM
33°
3%
7-Day Forecast
Today
35° 23°
Partly Cloudy.
Wed
36° 23°
Clear.
Thu
37° 23°
Partly Cloudy with a 49% chance of rain.
Fri
33° 23°
Rain, 82% chance.
Sat
32° 22°
Clear with a 35% chance of rain.
Sun
32° 22°
Thunderstorm, 81% chance.
Mon
31° 22°
Drizzle, 68% chance.
TimeTempConditionsPrecipWindHumidity
Now 34° Mostly Clear 3% 4 mph SW 57%
4 PM 34° Partly Cloudy 3% 3 mph SW 57%
5 PM 35° Partly Cloudy 3% 2 mph SW 59%
6 PM 34° Partly Cloudy 3% 2 mph SW 63%
7 PM 33° Partly Cloudy 3% 2 mph SSW 67%
8 PM 32° Partly Cloudy 3% 2 mph SSW 71%
9 PM 29° Partly Cloudy 3% 3 mph S 75%
10 PM 28° Partly Cloudy 3% 4 mph SSE 77%
11 PM 27° Partly Cloudy 3% 4 mph S 79%
12 AM 27° Mostly Clear 3% 4 mph S 81%
1 AM 26° Clear 3% 5 mph S 82%
2 AM 25° Clear 3% 4 mph S 84%
3 AM 24° Clear 3% 3 mph SSW 86%
4 AM 24° Clear 3% 3 mph SSW 87%
5 AM 23° Clear 3% 2 mph SSW 86%
6 AM 23° Clear 3% 2 mph SSE 86%
7 AM 25° Clear 3% 2 mph ESE 83%
8 AM 27° Clear 3% 2 mph E 76%
9 AM 29° Clear 3% 3 mph ENE 70%
10 AM 31° Clear 3% 3 mph ENE 66%
11 AM 31° Clear 3% 2 mph ENE 64%
12 PM 32° Clear 3% 2 mph ENE 62%
1 PM 33° Clear 3% 2 mph NE 60%
2 PM 33° Clear 3% 2 mph NNE 59%
15-Day Forecast
Today
6/30
Partly Cloudy
3%
23°
35°
Wed
7/1
Clear
3%
23°
36°
Thu
7/2
Partly Cloudy
49%
23°
37°
Fri
7/3
Rain
82%
23°
33°
Sat
7/4
Clear
35%
22°
32°
Sun
7/5
Thunderstorm
81%
22°
32°
Mon
7/6
Drizzle
68%
22°
31°
Tue
7/7
Rain
81%
22°
30°
Wed
7/8
Drizzle
60%
21°
31°
Thu
7/9
Drizzle
60%
21°
31°
Fri
7/10
Drizzle
60%
21°
30°
Sat
7/11
Drizzle
60%
21°
30°
Sun
7/12
Drizzle
60%
20°
29°
Mon
7/13
Drizzle
60%
20°
29°
Tue
7/14
Drizzle
60%
20°
29°
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 11.9 µg/m³
O3
Ground-level ozone
31 AQI 34 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 56 Moderate 31 56
Thu 54 Moderate 41 54
Fri 52 Moderate 40 52
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, 19:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3758 J/kg
MLCAPE2707 J/kg
MUCAPE3758 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-8.3
Kinematics
0–6 km Shear3 kt
0–1 km Shear1 kt
Eff. Shear5 kt
0–1 km SRH-3
0–3 km SRH12
Eff. SRH12
Storm Motion156° @ 13 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.1
K-Index24.5
Thermo & Levels
PWAT1.58 in
0–3 km LR6.8 °C/km
700–500 LR7.3 °C/km
Total Totals50.1
LCL854 hPa
LFC994 hPa
EL147 hPa
Freezing Lvl14,938 ft