Excessive Heat Warning — Perry, MO, Bollinger, MO, Cape Girardeau, MO, Wayne, MO, Carter, MO, Ripley, MO, Butler, MO, Stoddard, MO, Scott, MO, Mississippi, MO, New Madrid, MO, 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 7:00 PM Heat Advisory — Perry, MO, Bollinger, MO, Cape Girardeau, MO, Wayne, MO, Carter, MO, Ripley, MO, Butler, MO, Stoddard, MO, Scott, MO, Mississippi, MO, New Madrid, MO, 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 7:00 PM

Caldwell County, Kentucky, United States

Last updated: 12:16 PM CDT  ·  Refresh
30°C
Feels like 38°
Mostly Cloudy
▲ 34°  /  ▼ 21°
Wind
4 mph SSW
Humidity
78%
Dew Point
26°
Pressure
29.40 inHg
Visibility
9 mi
UV Index
6.4
Cloud Cover
77%
Sunrise
5:51 AM
Sunset
8:03 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Caldwell County is currently mostly cloudy at 30°C. Precipitation is likely — peak probability 65% around 1 AM. Atmospheric instability is elevated (CAPE up to 4175 J/kg) — isolated convective development possible. Sunrise: 5:51AM · Sunset: 8:03PM.

Alerts

Excessive Heat Warning
Perry, MO, Bollinger, MO, Cape Girardeau, MO, Wayne, MO, Carter, MO, Ripley, MO, Butler, MO, Stoddard, MO, Scott, MO, Mississippi, MO, New Madrid, MO, 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
Expires 7:00 PM
Heat Advisory
Perry, MO, Bollinger, MO, Cape Girardeau, MO, Wayne, MO, Carter, MO, Ripley, MO, Butler, MO, Stoddard, MO, Scott, MO, Mississippi, MO, New Madrid, MO, 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
Expires 7:00 PM
51 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
30°
5%
1 PM
32°
18%
2 PM
33°
18%
3 PM
33°
28%
4 PM
33°
35%
5 PM
34°
35%
6 PM
33°
30%
7 PM
32°
48%
8 PM
31°
49%
9 PM
29°
45%
10 PM
28°
59%
11 PM
27°
59%
12 AM
26°
64%
1 AM
25°
64%
2 AM
24°
56%
3 AM
24°
60%
4 AM
23°
52%
5 AM
23°
52%
6 AM
23°
32%
7 AM
23°
23%
8 AM
24°
23%
9 AM
26°
24%
10 AM
27°
21%
11 AM
28°
10%
7-Day Forecast
Today
34° 21°
Partly Cloudy with a 45% chance of rain.
Mon
35° 21°
Partly Cloudy with a 64% chance of rain.
Tue
36° 22°
Mostly Clear with a 29% chance of rain.
Wed
29° 20°
Partly Cloudy.
Thu
31° 18°
Clear.
Fri
29° 19°
Drizzle, 60% chance.
Sat
30° 18°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 30° Mostly Cloudy 5% 4 mph SSW 78%
1 PM 32° Overcast 18% 5 mph SW 73%
2 PM 33° Mostly Cloudy 18% 6 mph WSW 70%
3 PM 33° Partly Cloudy 28% 6 mph WSW 68%
4 PM 33° Partly Cloudy 35% 6 mph WSW 67%
5 PM 34° Mostly Clear 35% 6 mph WSW 71%
6 PM 33° Clear 30% 6 mph WSW 74%
7 PM 32° Clear 48% 5 mph SW 79%
8 PM 31° Mostly Clear 49% 5 mph SW 82%
9 PM 29° Partly Cloudy 45% 4 mph SSW 85%
10 PM 28° Partly Cloudy 59% 4 mph S 87%
11 PM 27° Mostly Cloudy 59% 6 mph S 84%
12 AM 26° Rain 64% 7 mph SSW 82%
1 AM 25° Thunderstorm 64% 8 mph SSW 81%
2 AM 24° Thunderstorm 56% 5 mph S 86%
3 AM 24° Thunderstorm 60% 4 mph E 91%
4 AM 23° Rain 52% 5 mph NE 95%
5 AM 23° Haze 52% 4 mph ENE 95%
6 AM 23° Overcast 32% 5 mph E 95%
7 AM 23° Overcast 23% 7 mph ESE 94%
8 AM 24° Mostly Cloudy 23% 6 mph ESE 89%
9 AM 26° Mostly Cloudy 24% 6 mph ESE 85%
10 AM 27° Mostly Cloudy 21% 6 mph ESE 81%
11 AM 28° Partly Cloudy 10% 6 mph ESE 78%
15-Day Forecast
Today
7/26
Partly Cloudy
45%
21°
34°
Mon
7/27
Partly Cloudy
64%
21°
35°
Tue
7/28
Mostly Clear
29%
22°
36°
Wed
7/29
Partly Cloudy
16%
20°
29°
Thu
7/30
Clear
9%
18°
31°
Fri
7/31
Drizzle
60%
19°
29°
Sat
8/1
Drizzle
60%
18°
30°
Sun
8/2
Drizzle
60%
19°
30°
Mon
8/3
Drizzle
60%
19°
31°
Tue
8/4
Drizzle
60%
21°
32°
Wed
8/5
Drizzle
60%
22°
33°
Thu
8/6
Drizzle
60%
21°
32°
Fri
8/7
Drizzle
60%
21°
32°
Sat
8/8
Drizzle
60%
21°
32°
Sun
8/9
Drizzle
60%
21°
32°
51
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
51 AQI 9.4 µg/m³
O3
Ground-level ozone
40 AQI 43 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 51 Moderate 40 51
Tue 51 Moderate 34 51
Wed 44 Good 40 44
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 Sun Jul 26, 16:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE4725 J/kg
MLCAPE3138 J/kg
MUCAPE4725 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-7.5
Kinematics
0–6 km Shear25 kt
0–1 km Shear5 kt
Eff. Shear32 kt
0–1 km SRH2
0–3 km SRH-51
Eff. SRH-51
Storm Motion301° @ 20 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index26.7
Thermo & Levels
PWAT1.72 in
0–3 km LR6.3 °C/km
700–500 LR5.6 °C/km
Total Totals46.0
LCL938 hPa
LFC996 hPa
EL128 hPa
Freezing Lvl16,644 ft