Severe Thunderstorm Watch 9:00 PM Severe Thunderstorm Watch 9:00 PM

Lyon County, Kentucky, United States

Last updated: 8:32 PM CDT  ·  Refresh
28°C
Feels like 32°
Partly Cloudy
▲ 34°  /  ▼ 21°
Wind
5 mph NW
Humidity
85%
Dew Point
25°
Pressure
29.36 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
53%
Sunrise
5:48 AM
Sunset
8:08 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Lyon County is currently partly cloudy at 28°C. Precipitation is likely — peak probability 52% around 8 PM. Atmospheric instability is elevated (CAPE up to 2358 J/kg) — isolated convective development possible. Sunrise: 5:48AM · Sunset: 8:08PM.

Alerts

Severe Thunderstorm Watch
Expires 9:00 PM
Severe Thunderstorm Watch
Expires 9:00 PM
47 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
28°
51%
9 PM
26°
28%
10 PM
26°
16%
11 PM
25°
16%
12 AM
24°
7%
1 AM
23°
3%
2 AM
23°
3%
3 AM
22°
3%
4 AM
22°
3%
5 AM
21°
3%
6 AM
21°
3%
7 AM
21°
3%
8 AM
22°
3%
9 AM
24°
3%
10 AM
26°
5%
11 AM
26°
5%
12 PM
27°
5%
1 PM
28°
5%
2 PM
28°
5%
3 PM
29°
5%
4 PM
29°
3%
5 PM
28°
3%
6 PM
27°
3%
7 PM
27°
3%
7-Day Forecast
Tonight
34° 21°
Partly Cloudy with a 51% chance of rain.
Wed
30° 18°
Mostly Clear.
Thu
28° 17°
Mostly Clear.
Fri
27° 17°
Mostly Cloudy with a 50% chance of rain.
Sat
31° 19°
Partly Cloudy with a 47% chance of rain.
Sun
34° 22°
Clear.
Mon
34° 23°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 28° Partly Cloudy 51% 5 mph NW 85%
9 PM 26° Mostly Cloudy 28% 4 mph NW 91%
10 PM 26° Partly Cloudy 16% 5 mph NW 90%
11 PM 25° Partly Cloudy 16% 6 mph NNW 88%
12 AM 24° Partly Cloudy 7% 7 mph N 86%
1 AM 23° Partly Cloudy 3% 7 mph N 86%
2 AM 23° Partly Cloudy 3% 7 mph N 86%
3 AM 22° Mostly Clear 3% 6 mph N 87%
4 AM 22° Mostly Clear 3% 6 mph N 88%
5 AM 21° Clear 3% 6 mph N 88%
6 AM 21° Clear 3% 6 mph N 88%
7 AM 21° Clear 3% 7 mph N 86%
8 AM 22° Clear 3% 7 mph N 82%
9 AM 24° Clear 3% 7 mph N 77%
10 AM 26° Mostly Clear 5% 7 mph N 73%
11 AM 26° Partly Cloudy 5% 8 mph N 70%
12 PM 27° Partly Cloudy 5% 8 mph N 66%
1 PM 28° Partly Cloudy 5% 9 mph N 65%
2 PM 28° Partly Cloudy 5% 9 mph N 65%
3 PM 29° Partly Cloudy 5% 9 mph N 66%
4 PM 29° Partly Cloudy 3% 10 mph N 67%
5 PM 28° Partly Cloudy 3% 10 mph N 69%
6 PM 27° Partly Cloudy 3% 10 mph N 71%
7 PM 27° Partly Cloudy 3% 9 mph N 72%
15-Day Forecast
Today
7/21
Partly Cloudy
51%
21°
34°
Wed
7/22
Mostly Clear
5%
18°
30°
Thu
7/23
Mostly Clear
3%
17°
28°
Fri
7/24
Mostly Cloudy
50%
17°
27°
Sat
7/25
Partly Cloudy
47%
19°
31°
Sun
7/26
Clear
16%
22°
34°
Mon
7/27
Clear
17%
23°
34°
Tue
7/28
Clear
17%
20°
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%
20°
32°
Tue
8/4
Drizzle
60%
21°
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 Tue Jul 21, 23:00'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
SBCAPE2234 J/kg
MLCAPE2972 J/kg
MUCAPE4301 J/kg
SBCIN-104 J/kg
MLCIN0 J/kg
Lifted Index-3.0
Kinematics
0–6 km Shear38 kt
0–1 km Shear11 kt
Eff. Shear43 kt
0–1 km SRH-71
0–3 km SRH-102
Eff. SRH-102
Storm Motion269° @ 30 kt
0–1 km EHI-1.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index28.2
Thermo & Levels
PWAT2.09 in
0–3 km LR5.2 °C/km
700–500 LR5.2 °C/km
Total Totals43.8
LCL953 hPa
LFC843 hPa
EL145 hPa
Freezing Lvl17,657 ft