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

Major County, Oklahoma, United States

Last updated: 5:24 AM CDT  ·  Refresh
28°C
Feels like 29°
Clear
▲ 41°  /  ▼ 27°
Wind
15 mph SSW
Humidity
50%
Dew Point
17°
Pressure
28.52 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
4%
Sunrise
6:48 AM
Sunset
8:28 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Major County is currently clear at 28°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 853 J/kg) — isolated convective development possible. Sunrise: 6:48AM · Sunset: 8:28PM.

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
55 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
28°
3%
6 AM
26°
3%
7 AM
26°
3%
8 AM
28°
3%
9 AM
30°
3%
10 AM
32°
3%
11 AM
33°
3%
12 PM
35°
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
38°
3%
9 PM
36°
3%
10 PM
34°
3%
11 PM
33°
3%
12 AM
31°
3%
1 AM
31°
3%
2 AM
31°
3%
3 AM
31°
3%
4 AM
31°
3%
7-Day Forecast
Today
41° 27°
Clear.
Wed
42° 27°
Mostly Clear.
Thu
42° 26°
Mostly Clear with a 20% chance of rain.
Fri
40° 23°
Clear.
Sat
41° 25°
Partly Cloudy.
Sun
41° 25°
Partly Cloudy.
Mon
42° 23°
Partly Cloudy with a 21% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 28° Clear 3% 15 mph SSW 50%
6 AM 26° Clear 3% 15 mph SSW 49%
7 AM 26° Clear 3% 15 mph SSW 49%
8 AM 28° Clear 3% 17 mph SW 45%
9 AM 30° Clear 3% 19 mph SW 40%
10 AM 32° Clear 3% 19 mph SW 35%
11 AM 33° Clear 3% 18 mph SW 31%
12 PM 35° Clear 3% 17 mph SW 27%
1 PM 36° Clear 3% 17 mph SSW 24%
2 PM 39° Clear 3% 17 mph SSW 22%
3 PM 40° Clear 3% 17 mph SSW 21%
4 PM 40° Clear 3% 18 mph SSW 20%
5 PM 39° Clear 3% 17 mph SSW 21%
6 PM 41° Mostly Clear 3% 17 mph SSW 21%
7 PM 39° Partly Cloudy 3% 16 mph SSW 23%
8 PM 38° Partly Cloudy 3% 14 mph S 27%
9 PM 36° Partly Cloudy 3% 13 mph S 30%
10 PM 34° Partly Cloudy 3% 12 mph S 33%
11 PM 33° Mostly Clear 3% 13 mph S 35%
12 AM 31° Mostly Clear 3% 14 mph S 36%
1 AM 31° Mostly Clear 3% 14 mph SSW 37%
2 AM 31° Mostly Clear 3% 15 mph SSW 37%
3 AM 31° Partly Cloudy 3% 15 mph SSW 37%
4 AM 31° Partly Cloudy 3% 16 mph SSW 38%
15-Day Forecast
Today
8/11
Clear
3%
27°
41°
Wed
8/12
Mostly Clear
3%
27°
42°
Thu
8/13
Mostly Clear
20%
26°
42°
Fri
8/14
Clear
17%
23°
40°
Sat
8/15
Partly Cloudy
7%
25°
41°
Sun
8/16
Partly Cloudy
7%
25°
41°
Mon
8/17
Partly Cloudy
21%
23°
42°
Tue
8/18
Clear
15%
24°
42°
Wed
8/19
Clear
35%
25°
42°
Thu
8/20
Mostly Clear
32%
27°
42°
Fri
8/21
Clear
60%
26°
41°
Sat
8/22
Drizzle
60%
26°
40°
Sun
8/23
Drizzle
60%
26°
39°
Mon
8/24
Drizzle
60%
26°
39°
Tue
8/25
Drizzle
60%
25°
38°
55
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
55 AQI 11.2 µg/m³
O3
Ground-level ozone
50 AQI 54 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 55 Moderate 50 55
Wed 53 Moderate 43 53
Thu 60 Moderate 46 60
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
SBCAPE111 J/kg
MLCAPE38 J/kg
MUCAPE216 J/kg
SBCIN-590 J/kg
MLCIN0 J/kg
Lifted Index-0.5
Kinematics
0–6 km Shear16 kt
0–1 km Shear23 kt
Eff. Shear—
0–1 km SRH21
0–3 km SRH269
Eff. SRH—
Storm Motion144° @ 14 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index23.3
Thermo & Levels
PWAT1.24 in
0–3 km LR5.6 °C/km
700–500 LR6.9 °C/km
Total Totals46.5
LCL819 hPa
LFC525 hPa
EL248 hPa
Freezing Lvl15,374 ft