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, Harmon, OK, Greer, OK, Kiowa, OK, Jackson, OK, Tillman, OK, Comanche, OK, Stephens, OK, Garvin, OK, Murray, OK, Pontotoc, OK, Cotton, OK, Jefferson, OK, Carter, OK, Love, OK, Hardeman, TX, Foard, TX, Wilbarger, TX, Wichita, TX, Knox, TX, Baylor, TX, Archer, TX, Clay, TX 7:00 PM

Major County, Oklahoma, United States

Last updated: 3:49 PM CDT  ·  Refresh
36°C
Feels like 38°
Mostly Clear
▲ 38°  /  ▼ 23°
Wind
13 mph SSE
Humidity
35%
Dew Point
19°
Pressure
28,49 inHg
Visibility
10 mi
UV Index
7,8
Cloud Cover
15%
Sunrise
7:14 AM
Sunset
7:44 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Major County is currently mostly clear at 36°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1757 J/kg) — isolated convective development possible. Sunrise: 7:14AM · Sunset: 7:44PM.

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, Harmon, OK, Greer, OK, Kiowa, OK, Jackson, OK, Tillman, OK, Comanche, OK, Stephens, OK, Garvin, OK, Murray, OK, Pontotoc, OK, Cotton, OK, Jefferson, OK, Carter, OK, Love, OK, Hardeman, TX, Foard, TX, Wilbarger, TX, Wichita, TX, Knox, TX, Baylor, TX, Archer, TX, Clay, TX
Expires 7:00 PM
47 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
36°
7%
4 PM
38°
8%
5 PM
38°
8%
6 PM
37°
8%
7 PM
35°
8%
8 PM
33°
8%
9 PM
32°
8%
10 PM
31°
8%
11 PM
31°
8%
12 AM
30°
8%
1 AM
29°
8%
2 AM
28°
9%
3 AM
28°
9%
4 AM
28°
5%
5 AM
25°
5%
6 AM
24°
3%
7 AM
26°
3%
8 AM
27°
3%
9 AM
28°
3%
10 AM
29°
3%
11 AM
30°
3%
12 PM
31°
3%
1 PM
35°
3%
2 PM
36°
3%
7-Day Forecast
Today
38° 23°
Clear.
Mon
39° 24°
Mostly Clear.
Tue
39° 24°
Clear with a 41% chance of rain.
Wed
36° 19°
Clear.
Thu
37° 23°
Clear.
Fri
38° 23°
Rain, 81% chance.
Sat
36° 21°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 36° Mostly Clear 7% 13 mph SSE 35%
4 PM 38° Clear 8% 14 mph SSE 33%
5 PM 38° Clear 8% 13 mph SSE 33%
6 PM 37° Clear 8% 12 mph SSE 34%
7 PM 35° Clear 8% 10 mph SSE 37%
8 PM 33° Mostly Clear 8% 11 mph SSE 40%
9 PM 32° Mostly Clear 8% 12 mph SSE 42%
10 PM 31° Mostly Clear 8% 12 mph SSE 44%
11 PM 31° Partly Cloudy 8% 12 mph SSE 45%
12 AM 30° Partly Cloudy 8% 12 mph SSE 47%
1 AM 29° Mostly Clear 8% 12 mph S 50%
2 AM 28° Mostly Clear 9% 12 mph S 54%
3 AM 28° Mostly Clear 9% 12 mph S 56%
4 AM 28° Clear 5% 11 mph S 57%
5 AM 25° Clear 5% 11 mph S 58%
6 AM 24° Clear 3% 11 mph S 59%
7 AM 26° Clear 3% 12 mph S 57%
8 AM 27° Clear 3% 14 mph SSW 52%
9 AM 28° Clear 3% 16 mph SSW 49%
10 AM 29° Clear 3% 16 mph SSW 46%
11 AM 30° Clear 3% 16 mph SSW 43%
12 PM 31° Clear 3% 17 mph SSW 40%
1 PM 35° Clear 3% 17 mph SSW 39%
2 PM 36° Clear 3% 17 mph SSW 39%
15-Day Forecast
Today
9/13
Clear
8%
23°
38°
Mon
9/14
Mostly Clear
9%
24°
39°
Tue
9/15
Clear
41%
24°
39°
Wed
9/16
Clear
8%
19°
36°
Thu
9/17
Clear
9%
23°
37°
Fri
9/18
Rain
81%
23°
38°
Sat
9/19
Drizzle
60%
21°
36°
Sun
9/20
Drizzle
60%
18°
30°
Mon
9/21
Drizzle
60%
13°
29°
Tue
9/22
Drizzle
60%
13°
29°
Wed
9/23
Drizzle
60%
16°
31°
Thu
9/24
Drizzle
60%
19°
32°
Fri
9/25
Drizzle
60%
19°
31°
Sat
9/26
Drizzle
60%
19°
31°
Sun
9/27
Drizzle
60%
19°
31°
47
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
45 AQI 8.1 µg/m³
O3
Ground-level ozone
Dominant
47 AQI 52 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 47 Good 47 45
Tue 43 Good 40 43
Wed 42 Good 42 36
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 dim. sept. 13, 19:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2437 J/kg
MLCAPE2045 J/kg
MUCAPE2437 J/kg
SBCIN-15 J/kg
MLCIN-48 J/kg
Lifted Index-6.5
Kinematics
0–6 km Shear15 kt
0–1 km Shear8 kt
Eff. Shear16 kt
0–1 km SRH11
0–3 km SRH96
Eff. SRH96
Storm Motion88° @ 6 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index36.3
Thermo & Levels
PWAT1.96 in
0–3 km LR8.3 °C/km
700–500 LR7.2 °C/km
Total Totals53.3
LCL755 hPa
LFC691 hPa
EL144 hPa
Freezing Lvl14,613 ft