Mercer County, Kentucky, United States

Last updated: 11:12 PM CDT  ·  Refresh
23°C
Feels like 26°
Partly Cloudy
▲ 27°  /  ▼ 14°
Wind
6 mph SW
Humidity
96%
Dew Point
22°
Pressure
28.94 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
35%
Sunrise
6:34 AM
Sunset
8:56 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Mercer County is currently partly cloudy at 23°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 870 J/kg) — isolated convective development possible. Sunrise: 6:34AM · Sunset: 8:56PM.

Alerts

No active alerts for this location.
31 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
12%
1 AM
23°
13%
2 AM
22°
13%
3 AM
22°
18%
4 AM
22°
20%
5 AM
22°
8%
6 AM
21°
8%
7 AM
21°
4%
8 AM
21°
4%
9 AM
22°
5%
10 AM
23°
5%
11 AM
23°
7%
12 PM
24°
15%
1 PM
25°
13%
2 PM
26°
3%
3 PM
26°
3%
4 PM
26°
3%
5 PM
26°
3%
6 PM
26°
3%
7 PM
24°
3%
8 PM
24°
3%
9 PM
23°
3%
10 PM
21°
3%
11 PM
19°
3%
7-Day Forecast
Today
27° 14°
Partly Cloudy.
Thu
27° 14°
Mostly Clear.
Fri
26° 15°
Mostly Cloudy.
Sat
29° 17°
Haze with a 25% chance of rain.
Sun
32° 20°
Thunderstorm, 61% chance.
Mon
33° 22°
Thunderstorm, 64% chance.
Tue
30° 19°
Rain, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 23° Partly Cloudy 12% 6 mph SW 96%
1 AM 23° Mostly Clear 13% 7 mph WSW 96%
2 AM 22° Mostly Clear 13% 6 mph W 96%
3 AM 22° Partly Cloudy 18% 5 mph W 96%
4 AM 22° Partly Cloudy 20% 4 mph W 97%
5 AM 22° Mostly Clear 8% 4 mph WNW 97%
6 AM 21° Mostly Clear 8% 4 mph NW 96%
7 AM 21° Mostly Clear 4% 5 mph N 95%
8 AM 21° Mostly Clear 4% 7 mph N 93%
9 AM 22° Partly Cloudy 5% 8 mph NNE 88%
10 AM 23° Partly Cloudy 5% 8 mph NNE 85%
11 AM 23° Mostly Cloudy 7% 8 mph NNE 81%
12 PM 24° Partly Cloudy 15% 8 mph NNE 77%
1 PM 25° Partly Cloudy 13% 8 mph N 73%
2 PM 26° Mostly Clear 3% 8 mph N 69%
3 PM 26° Partly Cloudy 3% 8 mph N 67%
4 PM 26° Partly Cloudy 3% 9 mph N 65%
5 PM 26° Partly Cloudy 3% 9 mph N 64%
6 PM 26° Partly Cloudy 3% 9 mph N 65%
7 PM 24° Partly Cloudy 3% 8 mph N 67%
8 PM 24° Partly Cloudy 3% 8 mph N 69%
9 PM 23° Partly Cloudy 3% 8 mph N 70%
10 PM 21° Mostly Cloudy 3% 7 mph N 70%
11 PM 19° Overcast 3% 7 mph N 72%
15-Day Forecast
Today
7/22
Partly Cloudy
18%
14°
27°
Thu
7/23
Mostly Clear
3%
14°
27°
Fri
7/24
Mostly Cloudy
14%
15°
26°
Sat
7/25
Haze
25%
17°
29°
Sun
7/26
Thunderstorm
61%
20°
32°
Mon
7/27
Thunderstorm
64%
22°
33°
Tue
7/28
Rain
63%
19°
30°
Wed
7/29
Drizzle
43%
17°
29°
Thu
7/30
Drizzle
44%
16°
29°
Fri
7/31
Drizzle
51%
15°
29°
Sat
8/1
Clear
25%
17°
30°
Sun
8/2
Drizzle
60%
18°
31°
Mon
8/3
Drizzle
60%
19°
31°
Tue
8/4
Drizzle
60%
19°
31°
Wed
8/5
Drizzle
60%
19°
32°
31
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
29 AQI 5.3 µg/m³
O3
Ground-level ozone
Dominant
31 AQI 35 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 31 Good 31 29
Thu 32 Good 32 10
Fri 39 Good 39 13
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 Wed Jul 22, 02:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE167 J/kg
MLCAPE44 J/kg
MUCAPE796 J/kg
SBCIN-128 J/kg
MLCIN0 J/kg
Lifted Index-1.6
Kinematics
0–6 km Shear40 kt
0–1 km Shear20 kt
Eff. Shear46 kt
0–1 km SRH-90
0–3 km SRH-75
Eff. SRH-75
Storm Motion251° @ 31 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index12.4
Thermo & Levels
PWAT1.16 in
0–3 km LR4.6 °C/km
700–500 LR5.5 °C/km
Total Totals38.9
LCL970 hPa
LFC727 hPa
EL270 hPa
Freezing Lvl15,659 ft