Heat Advisory — 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 7:00 PM

Caldwell County, Kentucky, United States

Last updated: 6:09 AM CDT  ·  Refresh
24°C
Feels like 26°
Clear
▲ 36°  /  ▼ 23°
Wind
6 mph S
Humidity
76%
Dew Point
20°
Pressure
29.67 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
8%
Sunrise
6:34 AM
Sunset
6:57 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Caldwell County is currently clear at 24°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 699 J/kg) — isolated convective development possible. Sunrise: 6:34AM · Sunset: 6:57PM.

Alerts

Heat Advisory
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 7:00 PM
44 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
3%
7 AM
24°
7%
8 AM
26°
7%
9 AM
27°
7%
10 AM
29°
7%
11 AM
31°
3%
12 PM
32°
3%
1 PM
35°
3%
2 PM
36°
3%
3 PM
36°
3%
4 PM
36°
3%
5 PM
34°
3%
6 PM
33°
3%
7 PM
31°
3%
8 PM
30°
3%
9 PM
28°
3%
10 PM
27°
3%
11 PM
27°
3%
12 AM
27°
3%
1 AM
26°
3%
2 AM
26°
3%
3 AM
25°
3%
4 AM
24°
3%
5 AM
24°
3%
7-Day Forecast
Today
36° 23°
Clear.
Thu
38° 23°
Clear.
Fri
39° 24°
Mostly Clear.
Sat
39° 23°
Clear.
Sun
37° 23°
Mostly Clear.
Mon
36° 20°
Rain, 63% chance.
Tue
33° 18°
Partly Cloudy with a 63% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 24° Clear 3% 6 mph S 76%
7 AM 24° Clear 7% 8 mph S 74%
8 AM 26° Clear 7% 8 mph S 70%
9 AM 27° Clear 7% 9 mph SSW 65%
10 AM 29° Clear 7% 9 mph SSW 59%
11 AM 31° Clear 3% 9 mph SW 54%
12 PM 32° Clear 3% 8 mph SW 48%
1 PM 35° Clear 3% 8 mph SW 44%
2 PM 36° Clear 3% 7 mph SW 43%
3 PM 36° Mostly Clear 3% 6 mph SW 42%
4 PM 36° Mostly Clear 3% 6 mph SSW 43%
5 PM 34° Clear 3% 5 mph SSW 46%
6 PM 33° Clear 3% 4 mph S 50%
7 PM 31° Clear 3% 4 mph S 54%
8 PM 30° Clear 3% 4 mph S 57%
9 PM 28° Clear 3% 5 mph S 60%
10 PM 27° Clear 3% 4 mph S 63%
11 PM 27° Clear 3% 4 mph S 64%
12 AM 27° Clear 3% 4 mph S 66%
1 AM 26° Clear 3% 5 mph S 67%
2 AM 26° Clear 3% 4 mph S 67%
3 AM 25° Clear 3% 4 mph S 68%
4 AM 24° Clear 3% 5 mph SSW 69%
5 AM 24° Clear 3% 5 mph SSW 69%
15-Day Forecast
Today
9/16
Clear
7%
23°
36°
Thu
9/17
Clear
11%
23°
38°
Fri
9/18
Mostly Clear
19%
24°
39°
Sat
9/19
Clear
9%
23°
39°
Sun
9/20
Mostly Clear
15%
23°
37°
Mon
9/21
Rain
63%
20°
36°
Tue
9/22
Partly Cloudy
63%
18°
33°
Wed
9/23
Clear
35%
17°
34°
Thu
9/24
Drizzle
53%
16°
31°
Fri
9/25
Overcast
15%
15°
34°
Sat
9/26
Clear
51%
14°
31°
Sun
9/27
Clear
25%
14°
32°
Mon
9/28
Drizzle
60%
15°
31°
Tue
9/29
Clear
25%
14°
31°
Wed
9/30
Drizzle
60%
15°
31°
44
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
44 AQI 7.9 µg/m³
O3
Ground-level ozone
35 AQI 39 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 44 Good 35 44
Thu 58 Moderate 42 58
Fri 54 Moderate 45 54
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 Sep 16, 09:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE25 J/kg
MUCAPE63 J/kg
SBCIN0 J/kg
MLCIN-233 J/kg
Lifted Index1.1
Kinematics
0–6 km Shear15 kt
0–1 km Shear18 kt
Eff. Shear—
0–1 km SRH91
0–3 km SRH53
Eff. SRH—
Storm Motion304° @ 12 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index28.5
Thermo & Levels
PWAT1.84 in
0–3 km LR4.7 °C/km
700–500 LR5.3 °C/km
Total Totals44.1
LCL952 hPa
LFC1005 hPa
EL1005 hPa
Freezing Lvl15,541 ft