Lyon County, Kentucky, United States

Last updated: 9:58 PM CDT  ·  Refresh
27°C
Feels like 29°
Mostly Clear
▲ 34°  /  ▼ 21°
Wind
4 mph N
Humidity
84%
Dew Point
24°
Pressure
29.39 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
22%
Sunrise
5:48 AM
Sunset
8:08 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Lyon County is currently mostly clear at 27°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1559 J/kg) — isolated convective development possible. Sunrise: 5:48AM · Sunset: 8:08PM.

Alerts

No active alerts for this location.
47 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
34%
10 PM
26°
35%
11 PM
26°
34%
12 AM
24°
3%
1 AM
24°
3%
2 AM
23°
3%
3 AM
22°
3%
4 AM
21°
3%
5 AM
21°
3%
6 AM
21°
3%
7 AM
22°
3%
8 AM
23°
3%
9 AM
25°
3%
10 AM
26°
5%
11 AM
27°
5%
12 PM
29°
5%
1 PM
29°
5%
2 PM
29°
5%
3 PM
28°
3%
4 PM
28°
3%
5 PM
28°
3%
6 PM
27°
3%
7 PM
27°
3%
8 PM
24°
3%
7-Day Forecast
Tonight
34° 21°
Mostly Clear with a 34% chance of rain.
Wed
30° 18°
Partly Cloudy.
Thu
28° 17°
Clear.
Fri
27° 17°
Mostly Cloudy with a 47% chance of rain.
Sat
31° 19°
Clear with a 47% chance of rain.
Sun
34° 22°
Clear.
Mon
34° 23°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 27° Mostly Clear 34% 4 mph N 84%
10 PM 26° Partly Cloudy 35% 5 mph N 86%
11 PM 26° Partly Cloudy 34% 6 mph N 86%
12 AM 24° Partly Cloudy 3% 7 mph N 86%
1 AM 24° Partly Cloudy 3% 7 mph N 86%
2 AM 23° Mostly Clear 3% 6 mph N 88%
3 AM 22° Mostly Clear 3% 5 mph N 89%
4 AM 21° Clear 3% 5 mph N 90%
5 AM 21° Clear 3% 5 mph N 91%
6 AM 21° Mostly Clear 3% 6 mph N 91%
7 AM 22° Mostly Clear 3% 6 mph N 86%
8 AM 23° Mostly Clear 3% 6 mph N 80%
9 AM 25° Mostly Clear 3% 7 mph N 75%
10 AM 26° Mostly Clear 5% 8 mph N 70%
11 AM 27° Partly Cloudy 5% 8 mph N 66%
12 PM 29° Partly Cloudy 5% 9 mph N 63%
1 PM 29° Partly Cloudy 5% 9 mph N 63%
2 PM 29° Mostly Cloudy 5% 9 mph N 63%
3 PM 28° Mostly Cloudy 3% 9 mph N 63%
4 PM 28° Mostly Cloudy 3% 9 mph N 66%
5 PM 28° Partly Cloudy 3% 9 mph N 68%
6 PM 27° Partly Cloudy 3% 9 mph N 70%
7 PM 27° Partly Cloudy 3% 9 mph N 71%
8 PM 24° Mostly Clear 3% 8 mph NNE 73%
15-Day Forecast
Today
7/21
Mostly Clear
34%
21°
34°
Wed
7/22
Partly Cloudy
5%
18°
30°
Thu
7/23
Clear
3%
17°
28°
Fri
7/24
Mostly Cloudy
47%
17°
27°
Sat
7/25
Clear
47%
19°
31°
Sun
7/26
Clear
17%
22°
34°
Mon
7/27
Clear
17%
23°
34°
Tue
7/28
Clear
17%
19°
32°
Wed
7/29
Drizzle
44%
18°
30°
Thu
7/30
Drizzle
44%
16°
30°
Fri
7/31
Drizzle
36%
16°
30°
Sat
8/1
Drizzle
60%
19°
31°
Sun
8/2
Drizzle
60%
19°
32°
Mon
8/3
Drizzle
60%
19°
32°
Tue
8/4
Drizzle
60%
20°
32°
47
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

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

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
47 AQI 8.6 µg/m³
O3
Ground-level ozone
31 AQI 35 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 47 Good 31 47
Thu 33 Good 33 26
Fri 39 Good 39 24
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, 01:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1594 J/kg
MLCAPE375 J/kg
MUCAPE1594 J/kg
SBCIN-125 J/kg
MLCIN0 J/kg
Lifted Index-1.9
Kinematics
0–6 km Shear39 kt
0–1 km Shear12 kt
Eff. Shear44 kt
0–1 km SRH-94
0–3 km SRH-98
Eff. SRH-98
Storm Motion273° @ 28 kt
0–1 km EHI-0.9
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index9.3
Thermo & Levels
PWAT1.57 in
0–3 km LR5.0 °C/km
700–500 LR5.0 °C/km
Total Totals41.2
LCL958 hPa
LFC841 hPa
EL150 hPa
Freezing Lvl17,569 ft