Extreme Heat Warning — Sevier, AR, Howard, AR, Little River, AR, Hempstead, AR, Nevada, AR, Miller, AR, Lafayette, AR, Columbia, AR, Union, AR, Claiborne, LA, Lincoln, LA, Union, LA, Jackson, LA, Ouachita, LA, Winn, LA, Grant, LA, Caldwell, LA, La Salle, LA, McCurtain, OK, Red River, TX, Bowie, TX 8:00 PM

McCurtain County, Oklahoma, United States

Last updated: 11:18 AM CDT  ·  Refresh
33°C
Feels like 37°
Clear
▲ 40°  /  ▼ 24°
Wind
3 mph WNW
Humidity
48%
Dew Point
23°
Pressure
29.20 inHg
Visibility
9 mi
UV Index
9.1
Cloud Cover
0%
Sunrise
6:22 AM
Sunset
8:28 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: McCurtain County is currently clear at 33°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2413 J/kg) — isolated convective development possible. Sunrise: 6:22AM · Sunset: 8:28PM.

Alerts

Extreme Heat Warning
Sevier, AR, Howard, AR, Little River, AR, Hempstead, AR, Nevada, AR, Miller, AR, Lafayette, AR, Columbia, AR, Union, AR, Claiborne, LA, Lincoln, LA, Union, LA, Jackson, LA, Ouachita, LA, Winn, LA, Grant, LA, Caldwell, LA, La Salle, LA, McCurtain, OK, Red River, TX, Bowie, TX
Expires 8:00 PM
63 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
3%
12 PM
34°
3%
1 PM
36°
3%
2 PM
38°
3%
3 PM
38°
3%
4 PM
38°
3%
5 PM
38°
3%
6 PM
37°
3%
7 PM
36°
3%
8 PM
34°
3%
9 PM
33°
3%
10 PM
30°
3%
11 PM
29°
3%
12 AM
29°
3%
1 AM
28°
3%
2 AM
28°
3%
3 AM
27°
3%
4 AM
27°
3%
5 AM
27°
3%
6 AM
26°
3%
7 AM
26°
3%
8 AM
26°
3%
9 AM
27°
3%
10 AM
29°
3%
7-Day Forecast
Today
40° 24°
Clear.
Wed
37° 24°
Clear.
Thu
34° 21°
Mostly Clear.
Fri
33° 22°
Mostly Cloudy with a 24% chance of rain.
Sat
37° 23°
Clear.
Sun
38° 23°
Clear.
Mon
39° 23°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 33° Clear 3% 3 mph WNW 48%
12 PM 34° Clear 3% 3 mph NW 42%
1 PM 36° Clear 3% 3 mph NW 39%
2 PM 38° Mostly Clear 3% 3 mph NNW 39%
3 PM 38° Mostly Clear 3% 3 mph NNW 38%
4 PM 38° Mostly Clear 3% 3 mph N 39%
5 PM 38° Mostly Clear 3% 3 mph N 41%
6 PM 37° Mostly Clear 3% 3 mph NNE 43%
7 PM 36° Mostly Clear 3% 3 mph NNE 47%
8 PM 34° Clear 3% 3 mph N 51%
9 PM 33° Clear 3% 3 mph N 54%
10 PM 30° Clear 3% 3 mph N 57%
11 PM 29° Clear 3% 3 mph N 58%
12 AM 29° Clear 3% 4 mph N 58%
1 AM 28° Clear 3% 4 mph N 59%
2 AM 28° Clear 3% 5 mph N 58%
3 AM 27° Clear 3% 6 mph NNE 58%
4 AM 27° Clear 3% 6 mph NNE 60%
5 AM 27° Clear 3% 6 mph NNE 62%
6 AM 26° Clear 3% 7 mph NE 63%
7 AM 26° Clear 3% 7 mph NE 63%
8 AM 26° Clear 3% 7 mph NE 60%
9 AM 27° Clear 3% 8 mph NE 57%
10 AM 29° Clear 3% 8 mph NE 54%
15-Day Forecast
Today
7/21
Clear
3%
24°
40°
Wed
7/22
Clear
3%
24°
37°
Thu
7/23
Mostly Clear
10%
21°
34°
Fri
7/24
Mostly Cloudy
24%
22°
33°
Sat
7/25
Clear
16%
23°
37°
Sun
7/26
Clear
8%
23°
38°
Mon
7/27
Clear
8%
23°
39°
Tue
7/28
Clear
18%
23°
41°
Wed
7/29
Clear
19%
23°
41°
Thu
7/30
Clear
19%
23°
41°
Fri
7/31
Clear
25%
24°
39°
Sat
8/1
Clear
60%
24°
39°
Sun
8/2
Drizzle
60%
23°
38°
Mon
8/3
Drizzle
60%
23°
38°
Tue
8/4
Drizzle
60%
23°
37°
63
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
63 AQI 15.5 µg/m³
O3
Ground-level ozone
36 AQI 39 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 63 Moderate 36 63
Thu 55 Moderate 35 55
Fri 51 Moderate 39 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 Jul 21, 15:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2355 J/kg
MLCAPE883 J/kg
MUCAPE2355 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-3.9
Kinematics
0–6 km Shear10 kt
0–1 km Shear7 kt
Eff. Shear14 kt
0–1 km SRH-2
0–3 km SRH-28
Eff. SRH-28
Storm Motion328° @ 23 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index30.4
Thermo & Levels
PWAT1.72 in
0–3 km LR7.1 °C/km
700–500 LR5.4 °C/km
Total Totals42.6
LCL850 hPa
LFC989 hPa
EL140 hPa
Freezing Lvl17,388 ft