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: 7:22 AM CDT  ·  Refresh
24°C
Feels like 26°
Clear
▲ 36°  /  ▼ 24°
Wind
7 mph S
Humidity
76%
Dew Point
20°
Pressure
29.68 inHg
Visibility
10 mi
UV Index
2.4
Cloud Cover
7%
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 25°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 677 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
56 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
11%
8 AM
27°
14%
9 AM
28°
7%
10 AM
30°
7%
11 AM
31°
3%
12 PM
33°
3%
1 PM
35°
3%
2 PM
36°
3%
3 PM
36°
3%
4 PM
35°
3%
5 PM
34°
3%
6 PM
32°
3%
7 PM
31°
3%
8 PM
30°
3%
9 PM
28°
3%
10 PM
27°
3%
11 PM
27°
3%
12 AM
26°
3%
1 AM
26°
3%
2 AM
25°
3%
3 AM
24°
3%
4 AM
24°
3%
5 AM
24°
3%
6 AM
24°
3%
7-Day Forecast
Today
36° 24°
Clear.
Thu
38° 24°
Clear.
Fri
39° 23°
Mostly Clear.
Sat
39° 23°
Clear.
Sun
39° 23°
Clear.
Mon
36° 19°
Drizzle, 66% chance.
Tue
33° 17°
Mostly Clear with a 34% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 24° Clear 11% 7 mph S 76%
8 AM 27° Clear 14% 8 mph S 68%
9 AM 28° Clear 7% 9 mph SSW 63%
10 AM 30° Clear 7% 9 mph SSW 57%
11 AM 31° Clear 3% 9 mph SW 52%
12 PM 33° Clear 3% 8 mph SW 47%
1 PM 35° Clear 3% 7 mph SW 43%
2 PM 36° Mostly Clear 3% 6 mph SW 42%
3 PM 36° Mostly Clear 3% 6 mph SSW 41%
4 PM 35° Mostly Clear 3% 6 mph SSW 41%
5 PM 34° Clear 3% 5 mph SSW 45%
6 PM 32° Clear 3% 4 mph SSW 50%
7 PM 31° Clear 3% 4 mph S 54%
8 PM 30° Clear 3% 4 mph S 57%
9 PM 28° Clear 3% 4 mph S 59%
10 PM 27° Clear 3% 4 mph SSE 62%
11 PM 27° Clear 3% 4 mph SSE 64%
12 AM 26° Clear 3% 4 mph S 66%
1 AM 26° Clear 3% 4 mph S 68%
2 AM 25° Clear 3% 4 mph S 69%
3 AM 24° Clear 3% 4 mph S 70%
4 AM 24° Clear 3% 4 mph SSW 71%
5 AM 24° Clear 3% 4 mph SSW 72%
6 AM 24° Clear 3% 4 mph SSW 72%
15-Day Forecast
Today
9/16
Clear
11%
24°
36°
Thu
9/17
Clear
11%
24°
38°
Fri
9/18
Mostly Clear
19%
23°
39°
Sat
9/19
Clear
8%
23°
39°
Sun
9/20
Clear
15%
23°
39°
Mon
9/21
Drizzle
66%
19°
36°
Tue
9/22
Mostly Clear
34%
17°
33°
Wed
9/23
Clear
15%
16°
32°
Thu
9/24
Partly Cloudy
35%
15°
31°
Fri
9/25
Mostly Cloudy
15%
14°
33°
Sat
9/26
Drizzle
60%
15°
31°
Sun
9/27
Clear
25%
14°
32°
Mon
9/28
Clear
60%
15°
31°
Tue
9/29
Clear
25%
14°
31°
Wed
9/30
Drizzle
60%
15°
31°
56
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
56 AQI 12.0 µg/m³
O3
Ground-level ozone
40 AQI 44 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 56 Moderate 40 56
Fri 54 Moderate 46 54
Sat 58 Moderate 51 58
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, 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
SBCAPE2 J/kg
MLCAPE15 J/kg
MUCAPE33 J/kg
SBCIN-421 J/kg
MLCIN-262 J/kg
Lifted Index0.6
Kinematics
0–6 km Shear14 kt
0–1 km Shear17 kt
Eff. Shear—
0–1 km SRH127
0–3 km SRH112
Eff. SRH—
Storm Motion293° @ 14 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index29.4
Thermo & Levels
PWAT1.85 in
0–3 km LR4.9 °C/km
700–500 LR5.5 °C/km
Total Totals44.3
LCL946 hPa
LFC605 hPa
EL556 hPa
Freezing Lvl15,551 ft