Extreme 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

Graves County, Kentucky, United States

Last updated: 2:26 AM CDT  ·  Refresh
26°C
Feels like 29°
Clear
▲ 37°  /  ▼ 23°
Wind
4 mph SSE
Humidity
81%
Dew Point
23°
Pressure
29.44 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
10%
Sunrise
6:28 AM
Sunset
7:18 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Graves County is currently clear at 25°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2035 J/kg) — isolated convective development possible. Sunrise: 6:28AM · Sunset: 7:18PM.

Alerts

Extreme 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
52 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
10%
3 AM
25°
4%
4 AM
24°
4%
5 AM
23°
4%
6 AM
23°
4%
7 AM
23°
4%
8 AM
26°
4%
9 AM
29°
4%
10 AM
31°
7%
11 AM
33°
7%
12 PM
34°
8%
1 PM
36°
8%
2 PM
37°
8%
3 PM
37°
10%
4 PM
36°
10%
5 PM
37°
5%
6 PM
35°
5%
7 PM
34°
5%
8 PM
33°
5%
9 PM
28°
9%
10 PM
28°
9%
11 PM
27°
9%
12 AM
27°
9%
1 AM
28°
9%
7-Day Forecast
Today
37° 23°
Clear.
Sat
39° 23°
Mostly Clear with a 37% chance of rain.
Sun
38° 19°
Clear with a 26% chance of rain.
Mon
32° 16°
Clear.
Tue
38° 20°
Clear.
Wed
40° 22°
Clear.
Thu
38° 21°
Rain, 28% chance.
TimeTempConditionsPrecipWindHumidity
Now 26° Clear 10% 4 mph SSE 81%
3 AM 25° Mostly Clear 4% 5 mph SSE 81%
4 AM 24° Clear 4% 5 mph S 82%
5 AM 23° Clear 4% 4 mph S 83%
6 AM 23° Clear 4% 3 mph S 84%
7 AM 23° Clear 4% 3 mph SSW 83%
8 AM 26° Clear 4% 3 mph SSW 76%
9 AM 29° Clear 4% 3 mph SSW 69%
10 AM 31° Clear 7% 4 mph SSW 62%
11 AM 33° Clear 7% 4 mph SSW 57%
12 PM 34° Clear 8% 3 mph SSW 51%
1 PM 36° Clear 8% 3 mph SSW 47%
2 PM 37° Clear 8% 2 mph SSW 46%
3 PM 37° Clear 10% 3 mph S 45%
4 PM 36° Clear 10% 3 mph SSE 46%
5 PM 37° Clear 5% 3 mph SSE 50%
6 PM 35° Clear 5% 3 mph SSE 55%
7 PM 34° Clear 5% 3 mph SSE 59%
8 PM 33° Clear 5% 4 mph SSE 61%
9 PM 28° Clear 9% 4 mph SSE 63%
10 PM 28° Clear 9% 5 mph S 64%
11 PM 27° Clear 9% 4 mph S 66%
12 AM 27° Clear 9% 4 mph S 67%
1 AM 28° Clear 9% 3 mph SSW 69%
15-Day Forecast
Today
9/4
Clear
10%
23°
37°
Sat
9/5
Mostly Clear
37%
23°
39°
Sun
9/6
Clear
26%
19°
38°
Mon
9/7
Clear
3%
16°
32°
Tue
9/8
Clear
3%
20°
38°
Wed
9/9
Clear
17%
22°
40°
Thu
9/10
Rain
28%
21°
38°
Fri
9/11
Drizzle
43%
18°
38°
Sat
9/12
Clear
68%
21°
42°
Sun
9/13
Drizzle
44%
19°
37°
Mon
9/14
Clear
25%
21°
37°
Tue
9/15
Clear
60%
22°
37°
Wed
9/16
Drizzle
60%
21°
37°
Thu
9/17
Clear
60%
20°
35°
Fri
9/18
Clear
25%
19°
34°
52
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
52 AQI 9.7 µg/m³
O3
Ground-level ozone
37 AQI 40 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 52 Moderate 37 52
Sat 57 Moderate 40 57
Sun 54 Moderate 46 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 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
SBCAPE924 J/kg
MLCAPE859 J/kg
MUCAPE924 J/kg
SBCIN-328 J/kg
MLCIN-141 J/kg
Lifted Index-1.8
Kinematics
0–6 km Shear1 kt
0–1 km Shear8 kt
Eff. Shear2 kt
0–1 km SRH13
0–3 km SRH-9
Eff. SRH-13
Storm Motion27° @ 8 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index34.9
Thermo & Levels
PWAT1.72 in
0–3 km LR5.1 °C/km
700–500 LR5.0 °C/km
Total Totals45.6
LCL961 hPa
LFC747 hPa
EL229 hPa
Freezing Lvl16,558 ft