Excessive Heat Warning — Jefferson, IL, Wayne, IL, Edwards, IL, Wabash, IL, Perry, 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: 2:25 AM CDT  ·  Refresh
26°C
Feels like 29°
Clear
▲ 36°  /  ▼ 23°
Wind
3 mph SSE
Humidity
82%
Dew Point
22°
Pressure
29.38 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
0%
Sunrise
6:25 AM
Sunset
7:15 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Trigg County is currently clear at 25°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1983 J/kg) — isolated convective development possible. Sunrise: 6:25AM · Sunset: 7:15PM.

Alerts

Excessive Heat Warning
Jefferson, IL, Wayne, IL, Edwards, IL, Wabash, IL, Perry, 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
54 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
13%
3 AM
24°
4%
4 AM
24°
4%
5 AM
22°
4%
6 AM
22°
4%
7 AM
23°
4%
8 AM
26°
4%
9 AM
29°
7%
10 AM
31°
11%
11 AM
32°
11%
12 PM
33°
11%
1 PM
36°
11%
2 PM
36°
15%
3 PM
35°
15%
4 PM
34°
8%
5 PM
36°
5%
6 PM
34°
5%
7 PM
33°
5%
8 PM
32°
5%
9 PM
28°
9%
10 PM
27°
9%
11 PM
27°
9%
12 AM
26°
9%
1 AM
27°
9%
7-Day Forecast
Today
36° 23°
Clear.
Sat
38° 23°
Mostly Clear with a 57% chance of rain.
Sun
37° 19°
Clear with a 36% chance of rain.
Mon
32° 14°
Mostly Clear.
Tue
37° 19°
Clear.
Wed
39° 21°
Clear.
Thu
37° 21°
Rain, 28% chance.
TimeTempConditionsPrecipWindHumidity
Now 26° Clear 13% 3 mph SSE 82%
3 AM 24° Clear 4% 4 mph S 84%
4 AM 24° Clear 4% 4 mph S 85%
5 AM 22° Clear 4% 3 mph S 86%
6 AM 22° Clear 4% 2 mph SSW 87%
7 AM 23° Clear 4% 2 mph SW 84%
8 AM 26° Clear 4% 3 mph SW 74%
9 AM 29° Clear 7% 3 mph WSW 65%
10 AM 31° Clear 11% 4 mph SW 58%
11 AM 32° Clear 11% 3 mph WSW 53%
12 PM 33° Clear 11% 3 mph WSW 46%
1 PM 36° Clear 11% 3 mph W 43%
2 PM 36° Mostly Clear 15% 3 mph W 43%
3 PM 35° Mostly Clear 15% 4 mph SSE 43%
4 PM 34° Mostly Clear 8% 5 mph ESE 44%
5 PM 36° Mostly Clear 5% 3 mph SSE 49%
6 PM 34° Mostly Clear 5% 3 mph S 54%
7 PM 33° Mostly Clear 5% 4 mph S 58%
8 PM 32° Mostly Clear 5% 4 mph S 60%
9 PM 28° Mostly Clear 9% 4 mph S 62%
10 PM 27° Mostly Clear 9% 4 mph SSW 64%
11 PM 27° Mostly Clear 9% 3 mph SSW 65%
12 AM 26° Mostly Clear 9% 3 mph SSW 66%
1 AM 27° Mostly Clear 9% 2 mph SW 68%
15-Day Forecast
Today
9/4
Clear
15%
23°
36°
Sat
9/5
Mostly Clear
57%
23°
38°
Sun
9/6
Clear
36%
19°
37°
Mon
9/7
Mostly Clear
3%
14°
32°
Tue
9/8
Clear
3%
19°
37°
Wed
9/9
Clear
17%
21°
39°
Thu
9/10
Rain
28%
21°
37°
Fri
9/11
Drizzle
68%
17°
37°
Sat
9/12
Rain
68%
21°
41°
Sun
9/13
Drizzle
51%
18°
36°
Mon
9/14
Clear
25%
20°
36°
Tue
9/15
Clear
60%
21°
36°
Wed
9/16
Drizzle
60%
21°
36°
Thu
9/17
Drizzle
60%
19°
33°
Fri
9/18
Clear
25%
19°
33°
54
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
54 AQI 10.6 µg/m³
O3
Ground-level ozone
44 AQI 47 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 54 Moderate 44 54
Sat 55 Moderate 41 55
Sun 56 Moderate 46 56
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 Fri Sep 4, 06:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE600 J/kg
MLCAPE872 J/kg
MUCAPE1134 J/kg
SBCIN-374 J/kg
MLCIN-151 J/kg
Lifted Index-0.8
Kinematics
0–6 km Shear5 kt
0–1 km Shear7 kt
Eff. Shear4 kt
0–1 km SRH20
0–3 km SRH9
Eff. SRH8
Storm Motion303° @ 11 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index33.1
Thermo & Levels
PWAT1.70 in
0–3 km LR5.1 °C/km
700–500 LR5.0 °C/km
Total Totals44.3
LCL949 hPa
LFC725 hPa
EL247 hPa
Freezing Lvl16,624 ft