Heat Advisory — Jefferson, IL, Wayne, IL, Edwards, IL, Wabash, IL, Franklin, IL, Hamilton, IL, White, IL, Jackson, IL, Williamson, IL, Saline, IL, Gallatin, IL, Union, IL, Johnson, IL, Pope, IL, Hardin, IL, Alexander, IL, Pulaski, IL, Massac, IL, Gibson, IN, Pike, IN, Posey, IN, Vanderburgh, IN, Warrick, IN, Spencer, IN, Fulton, KY, Hickman, KY, Carlisle, KY, Ballard, KY, McCracken, KY, Graves, KY, Livingston, KY, Marshall, KY, Calloway, KY, Crittenden, KY, Lyon, KY, Trigg, KY, Caldwell, KY, Union, KY, Webster, KY, Hopkins, KY, Christian, KY, Henderson, KY, Daviess, KY, McLean, KY, Muhlenberg, KY, Todd, KY, Perry, MO, Bollinger, MO, Cape Girardeau, MO, Wayne, MO, Carter, MO, Ripley, MO, Butler, MO, Stoddard, MO, Scott, MO, Mississippi, MO, New Madrid, MO 8:00 PM

Trigg County, Kentucky, United States

Last updated: 8:06 AM CDT  ·  Refresh
24°C
Feels like 27°
Mostly Clear
▲ 33°  /  ▼ 22°
Wind
7 mph SSW
Humidity
82%
Dew Point
22°
Pressure
29.50 inHg
Visibility
9 mi
UV Index
5.3
Cloud Cover
13%
Sunrise
6:04 AM
Sunset
7:48 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Trigg County is currently mostly clear at 25°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3113 J/kg) — isolated convective development possible. Sunrise: 6:04AM · Sunset: 7:48PM.

Alerts

Heat Advisory
Jefferson, IL, Wayne, IL, Edwards, IL, Wabash, IL, Franklin, IL, Hamilton, IL, White, IL, Jackson, IL, Williamson, IL, Saline, IL, Gallatin, IL, Union, IL, Johnson, IL, Pope, IL, Hardin, IL, Alexander, IL, Pulaski, IL, Massac, IL, Gibson, IN, Pike, IN, Posey, IN, Vanderburgh, IN, Warrick, IN, Spencer, IN, Fulton, KY, Hickman, KY, Carlisle, KY, Ballard, KY, McCracken, KY, Graves, KY, Livingston, KY, Marshall, KY, Calloway, KY, Crittenden, KY, Lyon, KY, Trigg, KY, Caldwell, KY, Union, KY, Webster, KY, Hopkins, KY, Christian, KY, Henderson, KY, Daviess, KY, McLean, KY, Muhlenberg, KY, Todd, KY, Perry, MO, Bollinger, MO, Cape Girardeau, MO, Wayne, MO, Carter, MO, Ripley, MO, Butler, MO, Stoddard, MO, Scott, MO, Mississippi, MO, New Madrid, MO
Expires 8:00 PM
37 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
15%
9 AM
26°
18%
10 AM
27°
18%
11 AM
29°
18%
12 PM
30°
15%
1 PM
32°
7%
2 PM
32°
8%
3 PM
32°
8%
4 PM
32°
9%
5 PM
32°
4%
6 PM
31°
4%
7 PM
30°
4%
8 PM
29°
4%
9 PM
27°
4%
10 PM
26°
4%
11 PM
26°
4%
12 AM
25°
3%
1 AM
24°
3%
2 AM
24°
3%
3 AM
24°
3%
4 AM
24°
5%
5 AM
23°
5%
6 AM
23°
5%
7 AM
23°
5%
7-Day Forecast
Today
33° 22°
Clear.
Tue
34° 23°
Mostly Clear with a 20% chance of rain.
Wed
36° 24°
Mostly Clear with a 25% chance of rain.
Thu
34° 23°
Clear with a 58% chance of rain.
Fri
33° 23°
Mostly Clear with a 38% chance of rain.
Sat
36° 23°
Clear.
Sun
37° 24°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 24° Mostly Clear 15% 7 mph SSW 82%
9 AM 26° Clear 18% 9 mph SW 74%
10 AM 27° Clear 18% 10 mph SW 69%
11 AM 29° Clear 18% 10 mph SW 65%
12 PM 30° Clear 15% 10 mph SW 61%
1 PM 32° Clear 7% 10 mph SW 57%
2 PM 32° Clear 8% 10 mph SW 56%
3 PM 32° Clear 8% 10 mph SW 55%
4 PM 32° Mostly Clear 9% 10 mph SW 55%
5 PM 32° Clear 4% 9 mph SW 58%
6 PM 31° Clear 4% 8 mph SW 63%
7 PM 30° Clear 4% 6 mph SW 68%
8 PM 29° Clear 4% 6 mph SSW 71%
9 PM 27° Clear 4% 6 mph SSW 73%
10 PM 26° Clear 4% 6 mph SSW 75%
11 PM 26° Clear 4% 7 mph SSW 76%
12 AM 25° Clear 3% 7 mph SSW 78%
1 AM 24° Clear 3% 8 mph SSW 79%
2 AM 24° Clear 3% 8 mph SSW 81%
3 AM 24° Clear 3% 8 mph SSW 83%
4 AM 24° Clear 5% 8 mph SSW 84%
5 AM 23° Mostly Clear 5% 8 mph SSW 85%
6 AM 23° Mostly Clear 5% 8 mph SSW 85%
7 AM 23° Partly Cloudy 5% 8 mph SW 86%
15-Day Forecast
Today
8/10
Clear
18%
22°
33°
Tue
8/11
Mostly Clear
20%
23°
34°
Wed
8/12
Mostly Clear
25%
24°
36°
Thu
8/13
Clear
58%
23°
34°
Fri
8/14
Mostly Clear
38%
23°
33°
Sat
8/15
Clear
7%
23°
36°
Sun
8/16
Clear
15%
24°
37°
Mon
8/17
Thunderstorm
53%
22°
34°
Tue
8/18
Clear
54%
20°
34°
Wed
8/19
Clear
44%
21°
33°
Thu
8/20
Drizzle
60%
23°
34°
Fri
8/21
Drizzle
60%
21°
33°
Sat
8/22
Drizzle
60%
21°
33°
Sun
8/23
Drizzle
60%
21°
33°
Mon
8/24
Clear
60%
21°
33°
37
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
37 AQI 6.6 µg/m³
O3
Ground-level ozone
31 AQI 35 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 37 Good 31 37
Wed 34 Good 34 24
Thu 33 Good 33 29
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 Mon Aug 10, 11:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1122 J/kg
MLCAPE1220 J/kg
MUCAPE1406 J/kg
SBCIN-275 J/kg
MLCIN0 J/kg
Lifted Index-5.0
Kinematics
0–6 km Shear7 kt
0–1 km Shear14 kt
Eff. Shear13 kt
0–1 km SRH71
0–3 km SRH58
Eff. SRH25
Storm Motion63° @ 9 kt
0–1 km EHI0.5
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index26.4
Thermo & Levels
PWAT1.66 in
0–3 km LR4.2 °C/km
700–500 LR7.6 °C/km
Total Totals51.1
LCL959 hPa
LFC664 hPa
EL212 hPa
Freezing Lvl14,623 ft