Heat Advisory — Orange, IN, Washington, IN, Scott, IN, Dubois, IN, Crawford, IN, Perry, IN, Harrison, IN, Floyd, IN, Clark, IN, Hancock, KY, Breckinridge, KY, Meade, KY, Ohio, KY, Grayson, KY, Hardin, KY, Bullitt, KY, Jefferson, KY, Spencer, KY, Nelson, KY, Larue, KY, Butler, KY, Edmonson, KY, Hart, KY, Green, KY, Logan, KY, Warren, KY, Simpson, KY, Allen, KY, Barren, KY, Monroe, KY, Metcalfe, KY 7:00 p. m.

Grayson County, Kentucky, United States

Last updated: 3:49 p. m. CDT  ·  Refresh
32°C
Feels like 35°
Clear
▲ 33°  /  ▼ 18°
Wind
7 mph WNW
Humidity
50%
Dew Point
20°
Pressure
29,26 inHg
Visibility
10 mi
UV Index
6,9
Cloud Cover
6%
Sunrise
6:25 a. m.
Sunset
6:55 p. m.
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Grayson County is currently clear at 32°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1153 J/kg) — isolated convective development possible. Sunrise: 6:25A. M. · Sunset: 6:55P. M..

Alerts

Heat Advisory
Orange, IN, Washington, IN, Scott, IN, Dubois, IN, Crawford, IN, Perry, IN, Harrison, IN, Floyd, IN, Clark, IN, Hancock, KY, Breckinridge, KY, Meade, KY, Ohio, KY, Grayson, KY, Hardin, KY, Bullitt, KY, Jefferson, KY, Spencer, KY, Nelson, KY, Larue, KY, Butler, KY, Edmonson, KY, Hart, KY, Green, KY, Logan, KY, Warren, KY, Simpson, KY, Allen, KY, Barren, KY, Monroe, KY, Metcalfe, KY
Expires 7:00 p. m.
44 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
32°
4%
4 p. m.
33°
5%
5 p. m.
32°
5%
6 p. m.
30°
5%
7 p. m.
28°
5%
8 p. m.
26°
5%
9 p. m.
25°
5%
10 p. m.
24°
5%
11 p. m.
23°
5%
12 a. m.
23°
5%
1 a. m.
22°
5%
2 a. m.
21°
5%
3 a. m.
21°
5%
4 a. m.
19°
3%
5 a. m.
19°
3%
6 a. m.
18°
3%
7 a. m.
19°
3%
8 a. m.
19°
3%
9 a. m.
20°
3%
10 a. m.
22°
3%
11 a. m.
23°
3%
12 p. m.
25°
3%
1 p. m.
26°
3%
2 p. m.
26°
3%
7-Day Forecast
Today
33° 18°
Mostly Clear.
Mon
29° 18°
Mostly Clear.
Tue
37° 18°
Clear.
Wed
35° 23°
Clear with a 22% chance of rain.
Thu
36° 22°
Clear.
Fri
35° 21°
Clear with a 25% chance of rain.
Sat
35° 21°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 32° Clear 4% 7 mph WNW 50%
4 p. m. 33° Clear 5% 8 mph NW 53%
5 p. m. 32° Partly Cloudy 5% 7 mph NW 59%
6 p. m. 30° Mostly Clear 5% 5 mph NNW 66%
7 p. m. 28° Mostly Clear 5% 6 mph NNW 71%
8 p. m. 26° Mostly Clear 5% 6 mph N 75%
9 p. m. 25° Partly Cloudy 5% 6 mph NNE 79%
10 p. m. 24° Mostly Clear 5% 6 mph NNE 81%
11 p. m. 23° Clear 5% 7 mph NNE 82%
12 a. m. 23° Clear 5% 8 mph NE 83%
1 a. m. 22° Clear 5% 9 mph NE 82%
2 a. m. 21° Clear 5% 9 mph NE 81%
3 a. m. 21° Clear 5% 9 mph NE 80%
4 a. m. 19° Clear 3% 9 mph NE 78%
5 a. m. 19° Mostly Clear 3% 10 mph NE 75%
6 a. m. 18° Mostly Clear 3% 10 mph NE 71%
7 a. m. 19° Mostly Clear 3% 10 mph NE 68%
8 a. m. 19° Clear 3% 10 mph ENE 65%
9 a. m. 20° Clear 3% 10 mph ENE 63%
10 a. m. 22° Clear 3% 10 mph ENE 62%
11 a. m. 23° Mostly Clear 3% 10 mph ENE 60%
12 p. m. 25° Mostly Clear 3% 10 mph ENE 59%
1 p. m. 26° Mostly Clear 3% 9 mph ENE 58%
2 p. m. 26° Mostly Clear 3% 9 mph ENE 58%
15-Day Forecast
Today
9/13
Mostly Clear
5%
18°
33°
Mon
9/14
Mostly Clear
5%
18°
29°
Tue
9/15
Clear
3%
18°
37°
Wed
9/16
Clear
22%
23°
35°
Thu
9/17
Clear
19%
22°
36°
Fri
9/18
Clear
25%
21°
35°
Sat
9/19
Clear
19%
21°
35°
Sun
9/20
Clear
60%
18°
31°
Mon
9/21
Drizzle
60%
18°
31°
Tue
9/22
Drizzle
60%
15°
28°
Wed
9/23
Drizzle
60%
13°
27°
Thu
9/24
Drizzle
60%
16°
28°
Fri
9/25
Drizzle
60%
15°
28°
Sat
9/26
Drizzle
60%
14°
28°
Sun
9/27
Drizzle
60%
14°
28°
44
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
39 AQI 7.1 µg/m³
O3
Ground-level ozone
Dominant
44 AQI 49 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 44 Good 44 39
Tue 35 Good 35 34
Wed 46 Good 36 46
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 dom. sept. 13, 19:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1624 J/kg
MLCAPE818 J/kg
MUCAPE1624 J/kg
SBCIN0 J/kg
MLCIN-12 J/kg
Lifted Index-4.0
Kinematics
0–6 km Shear22 kt
0–1 km Shear5 kt
Eff. Shear21 kt
0–1 km SRH18
0–3 km SRH13
Eff. SRH13
Storm Motion324° @ 22 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.2
K-Index23.8
Thermo & Levels
PWAT1.60 in
0–3 km LR7.6 °C/km
700–500 LR5.8 °C/km
Total Totals46.0
LCL831 hPa
LFC991 hPa
EL173 hPa
Freezing Lvl14,390 ft