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

Calloway County, Kentucky, United States

Last updated: 8:06 AM CDT  ·  Refresh
24°C
Feels like 27°
Mostly Clear
▲ 33°  /  ▼ 23°
Wind
7 mph SSW
Humidity
84%
Dew Point
22°
Pressure
29.55 inHg
Visibility
8 mi
UV Index
5.3
Cloud Cover
19%
Sunrise
6:06 AM
Sunset
7:49 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Calloway County is currently mostly clear at 24°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3638 J/kg) — isolated convective development possible. Sunrise: 6:06AM · Sunset: 7:49PM.

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
36 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
15%
9 AM
26°
11%
10 AM
27°
11%
11 AM
29°
8%
12 PM
30°
8%
1 PM
32°
8%
2 PM
32°
8%
3 PM
32°
8%
4 PM
32°
9%
5 PM
32°
7%
6 PM
31°
7%
7 PM
30°
7%
8 PM
29°
7%
9 PM
27°
4%
10 PM
26°
4%
11 PM
26°
4%
12 AM
25°
4%
1 AM
25°
3%
2 AM
24°
5%
3 AM
24°
5%
4 AM
24°
5%
5 AM
24°
5%
6 AM
24°
9%
7 AM
24°
9%
7-Day Forecast
Today
33° 23°
Clear.
Tue
34° 23°
Mostly Clear.
Wed
35° 24°
Mostly Clear with a 25% chance of rain.
Thu
34° 24°
Clear with a 39% chance of rain.
Fri
33° 24°
Clear with a 29% chance of rain.
Sat
35° 23°
Clear.
Sun
36° 24°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 24° Mostly Clear 15% 7 mph SSW 84%
9 AM 26° Clear 11% 9 mph SW 77%
10 AM 27° Clear 11% 10 mph SW 73%
11 AM 29° Clear 8% 10 mph SW 70%
12 PM 30° Clear 8% 10 mph SW 65%
1 PM 32° Clear 8% 10 mph SW 62%
2 PM 32° Clear 8% 10 mph SW 60%
3 PM 32° Clear 8% 10 mph SW 59%
4 PM 32° Mostly Clear 9% 9 mph SW 58%
5 PM 32° Clear 7% 8 mph SW 62%
6 PM 31° Clear 7% 7 mph SSW 67%
7 PM 30° Clear 7% 6 mph SSW 72%
8 PM 29° Clear 7% 6 mph SSW 74%
9 PM 27° Clear 4% 6 mph SSW 76%
10 PM 26° Clear 4% 7 mph SSW 78%
11 PM 26° Clear 4% 7 mph SSW 78%
12 AM 25° Clear 4% 8 mph SSW 80%
1 AM 25° Clear 3% 8 mph SSW 81%
2 AM 24° Clear 5% 8 mph SSW 83%
3 AM 24° Clear 5% 8 mph SSW 85%
4 AM 24° Clear 5% 8 mph SSW 87%
5 AM 24° Mostly Clear 5% 8 mph SSW 87%
6 AM 24° Mostly Clear 9% 8 mph SSW 87%
7 AM 24° Mostly Clear 9% 9 mph SSW 87%
15-Day Forecast
Today
8/10
Clear
15%
23°
33°
Tue
8/11
Mostly Clear
9%
23°
34°
Wed
8/12
Mostly Clear
25%
24°
35°
Thu
8/13
Clear
39%
24°
34°
Fri
8/14
Clear
29%
24°
33°
Sat
8/15
Clear
7%
23°
35°
Sun
8/16
Clear
15%
24°
36°
Mon
8/17
Thunderstorm
53%
23°
33°
Tue
8/18
Clear
47%
21°
34°
Wed
8/19
Clear
44%
22°
32°
Thu
8/20
Drizzle
60%
23°
34°
Fri
8/21
Drizzle
60%
22°
33°
Sat
8/22
Drizzle
60%
21°
33°
Sun
8/23
Drizzle
60%
22°
33°
Mon
8/24
Clear
60%
21°
33°
36
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
36 AQI 6.4 µg/m³
O3
Ground-level ozone
33 AQI 36 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 36 Good 33 36
Wed 33 Good 33 22
Thu 32 Good 32 28
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
SBCAPE1022 J/kg
MLCAPE1158 J/kg
MUCAPE1343 J/kg
SBCIN-298 J/kg
MLCIN0 J/kg
Lifted Index-4.6
Kinematics
0–6 km Shear5 kt
0–1 km Shear16 kt
Eff. Shear13 kt
0–1 km SRH62
0–3 km SRH59
Eff. SRH35
Storm Motion75° @ 10 kt
0–1 km EHI0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index27.3
Thermo & Levels
PWAT1.69 in
0–3 km LR4.1 °C/km
700–500 LR7.6 °C/km
Total Totals50.9
LCL965 hPa
LFC660 hPa
EL216 hPa
Freezing Lvl14,721 ft