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

Trigg County, Kentucky, United States

Last updated: 8:32 PM CDT  ·  Refresh
27°C
Feels like 31°
Mostly Cloudy
▲ 34°  /  ▼ 20°
Wind
5 mph WNW
Humidity
89%
Dew Point
25°
Pressure
29.23 inHg
Visibility
6 mi
UV Index
0.0
Cloud Cover
79%
Sunrise
5:48 AM
Sunset
8:06 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Trigg County is currently mostly cloudy at 27°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2579 J/kg) — isolated convective development possible. Sunrise: 5:48AM · Sunset: 8:06PM.

Alerts

Severe Thunderstorm Watch
Expires 9:00 PM
Severe Thunderstorm Watch
Expires 9:00 PM
52 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
47%
9 PM
27°
40%
10 PM
26°
24%
11 PM
26°
21%
12 AM
25°
18%
1 AM
23°
3%
2 AM
23°
3%
3 AM
22°
3%
4 AM
22°
3%
5 AM
21°
3%
6 AM
20°
3%
7 AM
21°
3%
8 AM
22°
3%
9 AM
24°
3%
10 AM
25°
3%
11 AM
26°
3%
12 PM
27°
3%
1 PM
28°
3%
2 PM
28°
3%
3 PM
29°
3%
4 PM
29°
3%
5 PM
28°
3%
6 PM
27°
3%
7 PM
27°
3%
7-Day Forecast
Tonight
34° 20°
Mostly Cloudy with a 47% chance of rain.
Wed
30° 19°
Partly Cloudy.
Thu
28° 17°
Mostly Clear.
Fri
26° 17°
Partly Cloudy with a 50% chance of rain.
Sat
30° 19°
Partly Cloudy with a 45% chance of rain.
Sun
34° 22°
Clear with a 43% chance of rain.
Mon
34° 23°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 27° Mostly Cloudy 47% 5 mph WNW 89%
9 PM 27° Mostly Cloudy 40% 5 mph NW 93%
10 PM 26° Mostly Cloudy 24% 5 mph NW 94%
11 PM 26° Mostly Cloudy 21% 5 mph NNW 93%
12 AM 25° Partly Cloudy 18% 6 mph NNW 90%
1 AM 23° Partly Cloudy 3% 7 mph N 88%
2 AM 23° Mostly Clear 3% 6 mph N 89%
3 AM 22° Partly Cloudy 3% 6 mph N 90%
4 AM 22° Partly Cloudy 3% 5 mph N 90%
5 AM 21° Mostly Clear 3% 6 mph N 91%
6 AM 20° Clear 3% 6 mph N 90%
7 AM 21° Clear 3% 7 mph N 88%
8 AM 22° Clear 3% 7 mph N 84%
9 AM 24° Clear 3% 7 mph N 79%
10 AM 25° Mostly Clear 3% 7 mph N 75%
11 AM 26° Partly Cloudy 3% 8 mph N 71%
12 PM 27° Partly Cloudy 3% 8 mph N 67%
1 PM 28° Mostly Cloudy 3% 8 mph N 64%
2 PM 28° Partly Cloudy 3% 9 mph N 65%
3 PM 29° Partly Cloudy 3% 10 mph N 65%
4 PM 29° Partly Cloudy 3% 10 mph N 67%
5 PM 28° Mostly Cloudy 3% 9 mph N 70%
6 PM 27° Mostly Cloudy 3% 9 mph N 72%
7 PM 27° Mostly Cloudy 3% 9 mph N 74%
15-Day Forecast
Today
7/21
Mostly Cloudy
47%
20°
34°
Wed
7/22
Partly Cloudy
3%
19°
30°
Thu
7/23
Mostly Clear
3%
17°
28°
Fri
7/24
Partly Cloudy
50%
17°
26°
Sat
7/25
Partly Cloudy
45%
19°
30°
Sun
7/26
Clear
43%
22°
34°
Mon
7/27
Clear
17%
23°
34°
Tue
7/28
Thunderstorm
44%
20°
33°
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°
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 9.6 µg/m³
O3
Ground-level ozone
29 AQI 31 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 52 Moderate 29 52
Thu 33 Good 33 33
Fri 31 Good 31 28
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
SBCAPE2687 J/kg
MLCAPE3265 J/kg
MUCAPE4161 J/kg
SBCIN-77 J/kg
MLCIN0 J/kg
Lifted Index-3.8
Kinematics
0–6 km Shear37 kt
0–1 km Shear13 kt
Eff. Shear42 kt
0–1 km SRH-51
0–3 km SRH-93
Eff. SRH-93
Storm Motion267° @ 31 kt
0–1 km EHI-0.9
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index34.7
Thermo & Levels
PWAT2.27 in
0–3 km LR5.2 °C/km
700–500 LR5.1 °C/km
Total Totals44.7
LCL961 hPa
LFC851 hPa
EL138 hPa
Freezing Lvl17,270 ft