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

McClain County, Oklahoma, United States

Last updated: 4:15 AM CDT  ·  Refresh
26°C
Feels like 27°
Clear
▲ 38°  /  ▼ 26°
Wind
10 mph S
Humidity
65%
Dew Point
20°
Pressure
28.83 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
0%
Sunrise
6:47 AM
Sunset
8:22 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: McClain County is currently clear at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1847 J/kg) — isolated convective development possible. Sunrise: 6:47AM · Sunset: 8:22PM.

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
43 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
3%
5 AM
26°
3%
6 AM
23°
3%
7 AM
23°
3%
8 AM
26°
3%
9 AM
28°
3%
10 AM
29°
3%
11 AM
32°
3%
12 PM
33°
3%
1 PM
35°
3%
2 PM
36°
3%
3 PM
37°
3%
4 PM
37°
3%
5 PM
37°
3%
6 PM
38°
3%
7 PM
38°
3%
8 PM
36°
3%
9 PM
34°
3%
10 PM
32°
3%
11 PM
30°
3%
12 AM
30°
3%
1 AM
29°
3%
2 AM
30°
3%
3 AM
29°
3%
7-Day Forecast
Today
38° 26°
Clear.
Wed
40° 26°
Clear.
Thu
40° 24°
Clear.
Fri
39° 24°
Clear.
Sat
41° 24°
Clear.
Sun
41° 22°
Clear.
Mon
42° 23°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 26° Clear 3% 10 mph S 65%
5 AM 26° Clear 3% 10 mph S 67%
6 AM 23° Clear 3% 10 mph S 71%
7 AM 23° Clear 3% 10 mph SSW 73%
8 AM 26° Clear 3% 13 mph SSW 66%
9 AM 28° Clear 3% 15 mph SSW 58%
10 AM 29° Clear 3% 16 mph SW 50%
11 AM 32° Clear 3% 16 mph SW 44%
12 PM 33° Clear 3% 15 mph SW 38%
1 PM 35° Clear 3% 15 mph SSW 33%
2 PM 36° Mostly Clear 3% 15 mph SSW 30%
3 PM 37° Mostly Clear 3% 15 mph SSW 28%
4 PM 37° Mostly Clear 3% 15 mph SSW 26%
5 PM 37° Mostly Clear 3% 16 mph SSW 27%
6 PM 38° Mostly Clear 3% 16 mph SSW 27%
7 PM 38° Mostly Clear 3% 15 mph SSW 28%
8 PM 36° Clear 3% 13 mph S 32%
9 PM 34° Clear 3% 12 mph S 35%
10 PM 32° Clear 3% 12 mph S 38%
11 PM 30° Clear 3% 12 mph S 40%
12 AM 30° Clear 3% 14 mph S 41%
1 AM 29° Clear 3% 14 mph S 42%
2 AM 30° Clear 3% 14 mph S 44%
3 AM 29° Clear 3% 13 mph SSW 45%
15-Day Forecast
Today
8/11
Clear
3%
26°
38°
Wed
8/12
Clear
3%
26°
40°
Thu
8/13
Clear
7%
24°
40°
Fri
8/14
Clear
8%
24°
39°
Sat
8/15
Clear
8%
24°
41°
Sun
8/16
Clear
8%
22°
41°
Mon
8/17
Clear
8%
23°
42°
Tue
8/18
Drizzle
43%
25°
41°
Wed
8/19
Drizzle
44%
24°
42°
Thu
8/20
Clear
19%
24°
41°
Fri
8/21
Clear
60%
26°
42°
Sat
8/22
Drizzle
60%
26°
39°
Sun
8/23
Clear
60%
25°
39°
Mon
8/24
Drizzle
60%
25°
38°
Tue
8/25
Drizzle
60%
24°
38°
43
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
35 AQI 6.3 µg/m³
O3
Ground-level ozone
Dominant
43 AQI 47 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 43 Good 43 35
Wed 46 Good 41 46
Thu 51 Moderate 44 51
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
SBCAPE367 J/kg
MLCAPE645 J/kg
MUCAPE1129 J/kg
SBCIN-410 J/kg
MLCIN0 J/kg
Lifted Index-0.1
Kinematics
0–6 km Shear13 kt
0–1 km Shear16 kt
Eff. Shear32 kt
0–1 km SRH-8
0–3 km SRH113
Eff. SRH170
Storm Motion154° @ 19 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.3
Supercell3.1
K-Index35.6
Thermo & Levels
PWAT1.55 in
0–3 km LR5.6 °C/km
700–500 LR5.4 °C/km
Total Totals46.2
LCL886 hPa
LFC513 hPa
EL222 hPa
Freezing Lvl15,830 ft