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: 4:14 AM CDT  ·  Refresh
28°C
Feels like 29°
Clear
▲ 41°  /  ▼ 27°
Wind
10 mph S
Humidity
51%
Dew Point
18°
Pressure
28.78 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
2%
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 982 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%
5 AM
28°
3%
6 AM
24°
3%
7 AM
24°
3%
8 AM
27°
3%
9 AM
29°
3%
10 AM
30°
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
40°
3%
6 PM
41°
3%
7 PM
39°
3%
8 PM
38°
3%
9 PM
36°
3%
10 PM
34°
3%
11 PM
31°
3%
12 AM
31°
3%
1 AM
31°
3%
2 AM
31°
3%
3 AM
31°
3%
7-Day Forecast
Today
41° 27°
Clear.
Wed
42° 27°
Clear.
Thu
42° 25°
Clear.
Fri
41° 24°
Clear.
Sat
42° 26°
Rain, 21% chance.
Sun
40° 26°
Clear.
Mon
43° 23°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 28° Clear 3% 10 mph S 51%
5 AM 28° Clear 3% 9 mph SSW 50%
6 AM 24° Clear 3% 9 mph SSW 51%
7 AM 24° Clear 3% 10 mph SSW 52%
8 AM 27° Clear 3% 12 mph SSW 48%
9 AM 29° Clear 3% 15 mph SW 44%
10 AM 30° Clear 3% 16 mph SW 40%
11 AM 32° Clear 3% 16 mph SW 35%
12 PM 34° Clear 3% 16 mph SW 30%
1 PM 36° Clear 3% 16 mph SSW 26%
2 PM 39° Clear 3% 16 mph SSW 24%
3 PM 40° Clear 3% 17 mph SSW 22%
4 PM 40° Clear 3% 17 mph SSW 21%
5 PM 40° Clear 3% 16 mph SSW 21%
6 PM 41° Mostly Clear 3% 15 mph SSW 22%
7 PM 39° Mostly Clear 3% 14 mph SSW 22%
8 PM 38° Partly Cloudy 3% 12 mph SSW 26%
9 PM 36° Partly Cloudy 3% 12 mph S 29%
10 PM 34° Partly Cloudy 3% 12 mph S 32%
11 PM 31° Partly Cloudy 3% 12 mph S 34%
12 AM 31° Partly Cloudy 3% 13 mph S 36%
1 AM 31° Partly Cloudy 3% 13 mph S 37%
2 AM 31° Partly Cloudy 3% 13 mph SSW 38%
3 AM 31° Partly Cloudy 3% 13 mph SSW 38%
15-Day Forecast
Today
8/11
Clear
3%
27°
41°
Wed
8/12
Clear
6%
27°
42°
Thu
8/13
Clear
14%
25°
42°
Fri
8/14
Clear
16%
24°
41°
Sat
8/15
Rain
21%
26°
42°
Sun
8/16
Clear
8%
26°
40°
Mon
8/17
Clear
8%
23°
43°
Tue
8/18
Clear
18%
27°
43°
Wed
8/19
Drizzle
44%
26°
44°
Thu
8/20
Clear
21%
28°
43°
Fri
8/21
Clear
60%
26°
42°
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, 08:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE196 J/kg
MLCAPE615 J/kg
MUCAPE832 J/kg
SBCIN-694 J/kg
MLCIN0 J/kg
Lifted Index-1.4
Kinematics
0–6 km Shear15 kt
0–1 km Shear25 kt
Eff. Shear28 kt
0–1 km SRH41
0–3 km SRH214
Eff. SRH80
Storm Motion127° @ 12 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell1.0
K-Index23.2
Thermo & Levels
PWAT1.45 in
0–3 km LR5.2 °C/km
700–500 LR7.6 °C/km
Total Totals50.8
LCL836 hPa
LFC551 hPa
EL251 hPa
Freezing Lvl15,413 ft