Heat Advisory — Harper, OK, Woods, OK, Alfalfa, OK, Grant, OK, Kay, OK, Ellis, OK, Woodward, OK, Major, OK, Garfield, OK, Noble, OK, Roger Mills, OK, Dewey, OK, Custer, OK, Blaine, OK, Kingfisher, OK, Logan, OK, Payne, OK, Beckham, OK, Washita, OK, Caddo, OK, Canadian, OK, Oklahoma, OK, Lincoln, OK, Grady, OK, McClain, OK, Cleveland, OK, Pottawatomie, OK, Seminole, OK, Hughes, OK, Harmon, OK, Greer, OK, Kiowa, OK, Jackson, OK, Tillman, OK, Comanche, OK, Stephens, OK, Garvin, OK, Murray, OK, Pontotoc, OK, Coal, OK, Cotton, OK, Jefferson, OK, Carter, OK, Johnston, OK, Atoka, OK, Love, OK, Marshall, OK, Bryan, OK, Hardeman, TX, Foard, TX, Wilbarger, TX, Wichita, TX, Knox, TX, Baylor, TX, Archer, TX, Clay, TX 8:00 PM

Grant County, Oklahoma, United States

Last updated: 5:22 AM CDT  ·  Refresh
28°C
Feels like 28°
Clear
▲ 41°  /  ▼ 27°
Wind
10 mph S
Humidity
52%
Dew Point
18°
Pressure
28.78 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
3%
Sunrise
6:45 AM
Sunset
8:26 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Grant County is currently clear at 28°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 979 J/kg) — isolated convective development possible. Sunrise: 6:45AM · Sunset: 8:26PM.

Alerts

Heat Advisory
Harper, OK, Woods, OK, Alfalfa, OK, Grant, OK, Kay, OK, Ellis, OK, Woodward, OK, Major, OK, Garfield, OK, Noble, OK, Roger Mills, OK, Dewey, OK, Custer, OK, Blaine, OK, Kingfisher, OK, Logan, OK, Payne, OK, Beckham, OK, Washita, OK, Caddo, OK, Canadian, OK, Oklahoma, OK, Lincoln, OK, Grady, OK, McClain, OK, Cleveland, OK, Pottawatomie, OK, Seminole, OK, Hughes, OK, Harmon, OK, Greer, OK, Kiowa, OK, Jackson, OK, Tillman, OK, Comanche, OK, Stephens, OK, Garvin, OK, Murray, OK, Pontotoc, OK, Coal, OK, Cotton, OK, Jefferson, OK, Carter, OK, Johnston, OK, Atoka, OK, Love, OK, Marshall, OK, Bryan, OK, Hardeman, TX, Foard, TX, Wilbarger, TX, Wichita, TX, Knox, TX, Baylor, TX, Archer, TX, Clay, TX
Expires 8:00 PM
47 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
28°
3%
6 AM
24°
3%
7 AM
25°
3%
8 AM
27°
3%
9 AM
29°
3%
10 AM
31°
3%
11 AM
32°
3%
12 PM
34°
3%
1 PM
36°
3%
2 PM
39°
3%
3 PM
40°
3%
4 PM
40°
3%
5 PM
39°
3%
6 PM
41°
3%
7 PM
39°
3%
8 PM
37°
3%
9 PM
36°
3%
10 PM
33°
3%
11 PM
33°
3%
12 AM
31°
3%
1 AM
30°
3%
2 AM
31°
3%
3 AM
31°
3%
4 AM
30°
3%
7-Day Forecast
Today
41° 27°
Clear.
Wed
42° 27°
Clear.
Thu
42° 26°
Mostly Clear.
Fri
40° 24°
Clear.
Sat
41° 26°
Mostly Clear.
Sun
40° 26°
Mostly Cloudy.
Mon
41° 23°
Partly Cloudy with a 21% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 28° Clear 3% 10 mph S 52%
6 AM 24° Clear 3% 10 mph SSW 51%
7 AM 25° Clear 3% 10 mph SSW 51%
8 AM 27° Clear 3% 13 mph SSW 47%
9 AM 29° Clear 3% 15 mph SW 43%
10 AM 31° Clear 3% 16 mph SW 38%
11 AM 32° Clear 3% 16 mph SW 34%
12 PM 34° Clear 3% 15 mph SW 29%
1 PM 36° Clear 3% 16 mph SSW 26%
2 PM 39° Clear 3% 16 mph SSW 24%
3 PM 40° Clear 3% 16 mph SSW 22%
4 PM 40° Clear 3% 16 mph SSW 21%
5 PM 39° Clear 3% 16 mph SSW 21%
6 PM 41° Mostly Clear 3% 15 mph SSW 22%
7 PM 39° Partly Cloudy 3% 14 mph SSW 23%
8 PM 37° Partly Cloudy 3% 12 mph S 26%
9 PM 36° Partly Cloudy 3% 12 mph S 29%
10 PM 33° Partly Cloudy 3% 12 mph S 32%
11 PM 33° Partly Cloudy 3% 12 mph S 34%
12 AM 31° Partly Cloudy 3% 12 mph S 36%
1 AM 30° Partly Cloudy 3% 13 mph S 37%
2 AM 31° Partly Cloudy 3% 12 mph S 38%
3 AM 31° Mostly Clear 3% 12 mph SSW 38%
4 AM 30° Mostly Clear 3% 12 mph SSW 38%
15-Day Forecast
Today
8/11
Clear
3%
27°
41°
Wed
8/12
Clear
6%
27°
42°
Thu
8/13
Mostly Clear
13%
26°
42°
Fri
8/14
Clear
17%
24°
40°
Sat
8/15
Mostly Clear
19%
26°
41°
Sun
8/16
Mostly Cloudy
10%
26°
40°
Mon
8/17
Partly Cloudy
21%
23°
41°
Tue
8/18
Partly Cloudy
15%
25°
42°
Wed
8/19
Clear
35%
26°
43°
Thu
8/20
Mostly Clear
19%
28°
42°
Fri
8/21
Clear
60%
26°
41°
Sat
8/22
Drizzle
60%
26°
39°
Sun
8/23
Clear
25%
26°
39°
Mon
8/24
Clear
25%
26°
39°
Tue
8/25
Drizzle
60%
25°
38°
47
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
47 AQI 8.4 µg/m³
O3
Ground-level ozone
45 AQI 50 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 47 Good 45 47
Wed 39 Good 38 39
Thu 55 Moderate 40 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 Tue Aug 11, 09:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE52 J/kg
MLCAPE84 J/kg
MUCAPE369 J/kg
SBCIN-668 J/kg
MLCIN0 J/kg
Lifted Index-0.6
Kinematics
0–6 km Shear12 kt
0–1 km Shear26 kt
Eff. Shear—
0–1 km SRH35
0–3 km SRH219
Eff. SRH—
Storm Motion132° @ 12 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index21.2
Thermo & Levels
PWAT1.28 in
0–3 km LR5.3 °C/km
700–500 LR7.1 °C/km
Total Totals47.7
LCL838 hPa
LFC546 hPa
EL262 hPa
Freezing Lvl15,282 ft