Severe Thunderstorm Watch 9:00 PM Severe Thunderstorm Watch 9:00 PM Areal Flood Warning — Anderson County, KY, Franklin County, KY, Mercer County, KY, Shelby County, KY, Spencer County, KY, Washington County, KY, Woodford County, KY 9:30 PM Areal Flood Warning — Boyle County, KY, Garrard County, KY, Mercer County, KY 11:00 PM Areal Flood Watch 11:00 PM

Mercer County, Kentucky, United States

Last updated: 8:27 PM CDT  ·  Refresh
23°C
Feels like 26°
Partly Cloudy
▲ 31°  /  ▼ 20°
Wind
8 mph WSW
Humidity
94%
Dew Point
22°
Pressure
28.91 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
49%
Sunrise
6:34 AM
Sunset
8:57 PM
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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 1177 J/kg) — isolated convective development possible. Sunrise: 6:34AM · Sunset: 8:57PM.

Alerts

Severe Thunderstorm Watch
Expires 9:00 PM
Severe Thunderstorm Watch
Expires 9:00 PM
Areal Flood Warning
Anderson County, KY, Franklin County, KY, Mercer County, KY, Shelby County, KY, Spencer County, KY, Washington County, KY, Woodford County, KY
Expires 9:30 PM
Areal Flood Warning
Boyle County, KY, Garrard County, KY, Mercer County, KY
Expires 11:00 PM
Areal Flood Watch
Expires 11:00 PM
31 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
31%
10 PM
23°
29%
11 PM
23°
19%
12 AM
23°
21%
1 AM
22°
14%
2 AM
22°
18%
3 AM
22°
18%
4 AM
22°
17%
5 AM
21°
17%
6 AM
21°
17%
7 AM
21°
5%
8 AM
21°
5%
9 AM
21°
5%
10 AM
23°
5%
11 AM
23°
27%
12 PM
24°
15%
1 PM
24°
12%
2 PM
26°
12%
3 PM
26°
3%
4 PM
26°
3%
5 PM
26°
3%
6 PM
25°
3%
7 PM
24°
3%
8 PM
23°
3%
7-Day Forecast
Tonight
31° 20°
Partly Cloudy with a 31% chance of rain.
Wed
27° 17°
Partly Cloudy with a 21% chance of rain.
Thu
27° 14°
Clear.
Fri
24° 16°
Overcast.
Sat
29° 17°
Partly Cloudy.
Sun
32° 20°
Drizzle, 70% chance.
Mon
33° 23°
Thunderstorm, 52% chance.
TimeTempConditionsPrecipWindHumidity
Now 23° Partly Cloudy 31% 8 mph WSW 94%
10 PM 23° Mostly Cloudy 29% 8 mph SW 96%
11 PM 23° Mostly Cloudy 19% 7 mph SW 96%
12 AM 23° Partly Cloudy 21% 6 mph SW 96%
1 AM 22° Partly Cloudy 14% 5 mph WSW 97%
2 AM 22° Partly Cloudy 18% 5 mph WSW 97%
3 AM 22° Partly Cloudy 18% 4 mph WSW 97%
4 AM 22° Partly Cloudy 17% 4 mph W 97%
5 AM 21° Mostly Cloudy 17% 4 mph WNW 96%
6 AM 21° Mostly Cloudy 17% 4 mph NNW 96%
7 AM 21° Mostly Cloudy 5% 5 mph N 95%
8 AM 21° Mostly Cloudy 5% 7 mph NNE 93%
9 AM 21° Overcast 5% 8 mph NNE 89%
10 AM 23° Mostly Cloudy 5% 8 mph NNE 85%
11 AM 23° Mostly Cloudy 27% 8 mph NNE 81%
12 PM 24° Partly Cloudy 15% 8 mph NNE 77%
1 PM 24° Partly Cloudy 12% 8 mph NNE 73%
2 PM 26° Mostly Clear 12% 9 mph NNE 69%
3 PM 26° Partly Cloudy 3% 9 mph N 67%
4 PM 26° Partly Cloudy 3% 9 mph N 66%
5 PM 26° Mostly Cloudy 3% 9 mph N 66%
6 PM 25° Mostly Cloudy 3% 9 mph N 68%
7 PM 24° Mostly Cloudy 3% 8 mph N 70%
8 PM 23° Partly Cloudy 3% 8 mph N 71%
15-Day Forecast
Today
7/21
Partly Cloudy
31%
20°
31°
Wed
7/22
Partly Cloudy
21%
17°
27°
Thu
7/23
Clear
3%
14°
27°
Fri
7/24
Overcast
14%
16°
24°
Sat
7/25
Partly Cloudy
16%
17°
29°
Sun
7/26
Drizzle
70%
20°
32°
Mon
7/27
Thunderstorm
52%
23°
33°
Tue
7/28
Drizzle
53%
19°
30°
Wed
7/29
Drizzle
44%
17°
29°
Thu
7/30
Drizzle
44%
16°
29°
Fri
7/31
Drizzle
60%
15°
29°
Sat
8/1
Clear
60%
17°
30°
Sun
8/2
Drizzle
60%
18°
31°
Mon
8/3
Drizzle
60%
19°
31°
Tue
8/4
Drizzle
60%
19°
31°
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 Tue Jul 21, 23:00'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
SBCAPE434 J/kg
MLCAPE63 J/kg
MUCAPE1096 J/kg
SBCIN-159 J/kg
MLCIN0 J/kg
Lifted Index-1.9
Kinematics
0–6 km Shear47 kt
0–1 km Shear21 kt
Eff. Shear50 kt
0–1 km SRH-102
0–3 km SRH-114
Eff. SRH-114
Storm Motion259° @ 37 kt
0–1 km EHI-0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index-2.8
Thermo & Levels
PWAT1.04 in
0–3 km LR4.6 °C/km
700–500 LR5.5 °C/km
Total Totals37.9
LCL963 hPa
LFC728 hPa
EL192 hPa
Freezing Lvl15,443 ft