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

Calloway County, Kentucky, United States

Last updated: 2:25 AM CDT  ·  Refresh
25°C
Feels like 29°
Clear
▲ 36°  /  ▼ 23°
Wind
3 mph SSE
Humidity
85%
Dew Point
23°
Pressure
29.43 inHg
Visibility
9 mi
UV Index
0.0
Cloud Cover
1%
Sunrise
6:26 AM
Sunset
7:16 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Calloway County is currently clear at 25°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2156 J/kg) — isolated convective development possible. Sunrise: 6:26AM · Sunset: 7:16PM.

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
25°
13%
3 AM
24°
4%
4 AM
24°
4%
5 AM
23°
4%
6 AM
23°
4%
7 AM
23°
4%
8 AM
26°
4%
9 AM
28°
4%
10 AM
30°
3%
11 AM
32°
3%
12 PM
33°
3%
1 PM
35°
3%
2 PM
36°
3%
3 PM
36°
3%
4 PM
35°
5%
5 PM
36°
5%
6 PM
34°
5%
7 PM
33°
5%
8 PM
32°
5%
9 PM
28°
9%
10 PM
27°
19%
11 PM
27°
19%
12 AM
27°
19%
1 AM
27°
20%
7-Day Forecast
Today
36° 23°
Clear.
Sat
39° 23°
Mostly Clear with a 35% chance of rain.
Sun
37° 20°
Clear.
Mon
32° 16°
Clear.
Tue
37° 20°
Clear.
Wed
39° 22°
Clear.
Thu
37° 21°
Rain, 28% chance.
TimeTempConditionsPrecipWindHumidity
Now 25° Clear 13% 3 mph SSE 85%
3 AM 24° Clear 4% 4 mph S 86%
4 AM 24° Clear 4% 4 mph S 87%
5 AM 23° Clear 4% 3 mph S 87%
6 AM 23° Clear 4% 3 mph SSW 88%
7 AM 23° Clear 4% 3 mph SW 86%
8 AM 26° Clear 4% 2 mph SW 78%
9 AM 28° Clear 4% 3 mph SW 70%
10 AM 30° Clear 3% 3 mph SW 63%
11 AM 32° Clear 3% 3 mph SW 57%
12 PM 33° Clear 3% 3 mph SW 50%
1 PM 35° Clear 3% 2 mph SW 47%
2 PM 36° Clear 3% 2 mph WSW 45%
3 PM 36° Clear 3% 3 mph WSW 44%
4 PM 35° Clear 5% 2 mph WSW 45%
5 PM 36° Clear 5% 2 mph SW 50%
6 PM 34° Clear 5% 2 mph S 55%
7 PM 33° Clear 5% 2 mph SSE 59%
8 PM 32° Clear 5% 3 mph S 60%
9 PM 28° Clear 9% 3 mph S 61%
10 PM 27° Clear 19% 4 mph S 63%
11 PM 27° Clear 19% 3 mph SSW 65%
12 AM 27° Clear 19% 3 mph SSW 67%
1 AM 27° Clear 20% 3 mph SW 68%
15-Day Forecast
Today
9/4
Clear
13%
23°
36°
Sat
9/5
Mostly Clear
35%
23°
39°
Sun
9/6
Clear
13%
20°
37°
Mon
9/7
Clear
3%
16°
32°
Tue
9/8
Clear
3%
20°
37°
Wed
9/9
Clear
17%
22°
39°
Thu
9/10
Rain
28%
21°
37°
Fri
9/11
Drizzle
43%
18°
37°
Sat
9/12
Rain
68%
21°
40°
Sun
9/13
Drizzle
44%
19°
37°
Mon
9/14
Clear
25%
21°
36°
Tue
9/15
Clear
60%
21°
36°
Wed
9/16
Drizzle
60%
21°
36°
Thu
9/17
Clear
60%
20°
34°
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
38 AQI 42 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 54 Moderate 38 54
Sat 56 Moderate 40 56
Sun 55 Moderate 45 55
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
SBCAPE898 J/kg
MLCAPE898 J/kg
MUCAPE980 J/kg
SBCIN-335 J/kg
MLCIN-147 J/kg
Lifted Index-1.8
Kinematics
0–6 km Shear2 kt
0–1 km Shear7 kt
Eff. Shear1 kt
0–1 km SRH21
0–3 km SRH4
Eff. SRH2
Storm Motion295° @ 10 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.0
Thermo & Levels
PWAT1.72 in
0–3 km LR5.0 °C/km
700–500 LR5.0 °C/km
Total Totals45.5
LCL969 hPa
LFC744 hPa
EL231 hPa
Freezing Lvl16,608 ft