Union County, Kentucky, United States

Last updated: 10:00 PM CDT  ·  Refresh
26°C
Feels like 29°
Clear
▲ 33°  /  ▼ 19°
Wind
5 mph NNW
Humidity
83%
Dew Point
22°
Pressure
29.40 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
0%
Sunrise
5:46 AM
Sunset
8:09 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Union County is currently clear at 25°C. Dry conditions are expected through the next 24 hours. Sunrise: 5:46AM · Sunset: 8:09PM.

Alerts

No active alerts for this location.
52 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
3%
11 PM
25°
14%
12 AM
24°
7%
1 AM
23°
3%
2 AM
22°
3%
3 AM
21°
3%
4 AM
21°
3%
5 AM
19°
4%
6 AM
19°
4%
7 AM
20°
5%
8 AM
21°
5%
9 AM
23°
5%
10 AM
24°
13%
11 AM
25°
14%
12 PM
26°
14%
1 PM
28°
14%
2 PM
28°
14%
3 PM
28°
14%
4 PM
28°
3%
5 PM
28°
3%
6 PM
27°
3%
7 PM
27°
3%
8 PM
26°
3%
9 PM
22°
3%
7-Day Forecast
Tonight
33° 19°
Clear.
Wed
29° 17°
Partly Cloudy.
Thu
27° 14°
Mostly Clear.
Fri
23° 16°
Overcast with a 47% chance of rain.
Sat
29° 18°
Clear with a 60% chance of rain.
Sun
34° 22°
Clear with a 30% chance of rain.
Mon
34° 23°
Clear with a 31% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 26° Clear 3% 5 mph NNW 83%
11 PM 25° Clear 14% 5 mph NNW 84%
12 AM 24° Clear 7% 6 mph NNW 87%
1 AM 23° Clear 3% 6 mph NNW 90%
2 AM 22° Clear 3% 5 mph NNW 91%
3 AM 21° Clear 3% 5 mph NNW 92%
4 AM 21° Clear 3% 5 mph NNW 94%
5 AM 19° Clear 4% 5 mph NNW 94%
6 AM 19° Clear 4% 6 mph NNW 94%
7 AM 20° Clear 5% 7 mph NNW 93%
8 AM 21° Mostly Clear 5% 7 mph N 88%
9 AM 23° Mostly Clear 5% 7 mph N 84%
10 AM 24° Partly Cloudy 13% 7 mph NNE 80%
11 AM 25° Partly Cloudy 14% 8 mph N 76%
12 PM 26° Partly Cloudy 14% 9 mph N 73%
1 PM 28° Mostly Cloudy 14% 9 mph N 69%
2 PM 28° Mostly Cloudy 14% 10 mph N 67%
3 PM 28° Mostly Cloudy 14% 10 mph N 65%
4 PM 28° Mostly Cloudy 3% 11 mph N 63%
5 PM 28° Mostly Cloudy 3% 10 mph NNE 66%
6 PM 27° Partly Cloudy 3% 10 mph NNE 68%
7 PM 27° Partly Cloudy 3% 10 mph NNE 70%
8 PM 26° Partly Cloudy 3% 10 mph NNE 72%
9 PM 22° Mostly Clear 3% 9 mph NNE 74%
15-Day Forecast
Today
7/21
Clear
3%
19°
33°
Wed
7/22
Partly Cloudy
14%
17°
29°
Thu
7/23
Mostly Clear
3%
14°
27°
Fri
7/24
Overcast
47%
16°
23°
Sat
7/25
Clear
60%
18°
29°
Sun
7/26
Clear
30%
22°
34°
Mon
7/27
Clear
31%
23°
34°
Tue
7/28
Clear
17%
19°
31°
Wed
7/29
Drizzle
44%
18°
29°
Thu
7/30
Drizzle
44%
16°
29°
Fri
7/31
Clear
25%
16°
29°
Sat
8/1
Drizzle
60%
18°
30°
Sun
8/2
Clear
60%
19°
31°
Mon
8/3
Drizzle
60%
19°
31°
Tue
8/4
Drizzle
60%
20°
31°
52
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
52 AQI 9.4 µg/m³
O3
Ground-level ozone
30 AQI 33 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 52 Moderate 30 52
Thu 30 Good 30 23
Fri 34 Good 34 17
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 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Wed Jul 22, 01:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE12 J/kg
MUCAPE0 J/kg
SBCIN-2423 J/kg
MLCIN0 J/kg
Lifted Index1.0
Kinematics
0–6 km Shear41 kt
0–1 km Shear13 kt
Eff. Shear—
0–1 km SRH-114
0–3 km SRH-112
Eff. SRH—
Storm Motion275° @ 29 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado-0.0
STP (eff)—
Supercell—
K-Index6.5
Thermo & Levels
PWAT1.19 in
0–3 km LR4.7 °C/km
700–500 LR5.0 °C/km
Total Totals35.2
LCL942 hPa
LFC—
EL—
Freezing Lvl17,142 ft