Heat Advisory — Sevier, AR, Howard, AR, Little River, AR, Hempstead, AR, Nevada, AR, Miller, AR, Lafayette, AR, Columbia, AR, Union, AR, Caddo, LA, Bossier, LA, Webster, LA, Claiborne, LA, Lincoln, LA, Union, LA, De Soto, LA, Red River, LA, Bienville, LA, Jackson, LA, Ouachita, LA, Sabine, LA, Natchitoches, LA, Winn, LA, Grant, LA, Caldwell, LA, La Salle, LA, McCurtain, OK, Red River, TX, Bowie, TX, Franklin, TX, Titus, TX, Camp, TX, Morris, TX, Cass, TX, Wood, TX, Upshur, TX, Marion, TX, Smith, TX, Gregg, TX, Harrison, TX, Cherokee, TX, Rusk, TX, Panola, TX, Nacogdoches, TX, Shelby, TX, Angelina, TX, San Augustine, TX, Sabine, TX 7:00 PM

San Augustine County, Texas, United States

Last updated: 5:04 PM CDT  ·  Refresh
33°C
Feels like 37°
Clear
▲ 34°  /  ▼ 22°
Wind
6 mph SSW
Humidity
51%
Dew Point
23°
Pressure
29.67 inHg
Visibility
10 mi
UV Index
6.1
Cloud Cover
10%
Sunrise
6:59 AM
Sunset
7:24 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: San Augustine County is currently clear at 33°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2604 J/kg) — isolated convective development possible. Sunrise: 6:59AM · Sunset: 7:24PM.

Alerts

Heat Advisory
Sevier, AR, Howard, AR, Little River, AR, Hempstead, AR, Nevada, AR, Miller, AR, Lafayette, AR, Columbia, AR, Union, AR, Caddo, LA, Bossier, LA, Webster, LA, Claiborne, LA, Lincoln, LA, Union, LA, De Soto, LA, Red River, LA, Bienville, LA, Jackson, LA, Ouachita, LA, Sabine, LA, Natchitoches, LA, Winn, LA, Grant, LA, Caldwell, LA, La Salle, LA, McCurtain, OK, Red River, TX, Bowie, TX, Franklin, TX, Titus, TX, Camp, TX, Morris, TX, Cass, TX, Wood, TX, Upshur, TX, Marion, TX, Smith, TX, Gregg, TX, Harrison, TX, Cherokee, TX, Rusk, TX, Panola, TX, Nacogdoches, TX, Shelby, TX, Angelina, TX, San Augustine, TX, Sabine, TX
Expires 7:00 PM
23 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
8%
6 PM
33°
9%
7 PM
32°
9%
8 PM
30°
9%
9 PM
29°
9%
10 PM
27°
7%
11 PM
27°
4%
12 AM
26°
4%
1 AM
26°
3%
2 AM
25°
3%
3 AM
24°
3%
4 AM
24°
3%
5 AM
24°
3%
6 AM
22°
3%
7 AM
22°
3%
8 AM
24°
3%
9 AM
25°
3%
10 AM
27°
3%
11 AM
28°
5%
12 PM
30°
5%
1 PM
31°
5%
2 PM
32°
8%
3 PM
32°
8%
4 PM
34°
9%
7-Day Forecast
Today
34° 22°
Clear.
Mon
36° 22°
Mostly Clear.
Tue
38° 22°
Mostly Clear.
Wed
36° 23°
Mostly Clear.
Thu
37° 22°
Clear.
Fri
38° 21°
Clear.
Sat
37° 21°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 33° Clear 8% 6 mph SSW 51%
6 PM 33° Clear 9% 7 mph SSW 57%
7 PM 32° Clear 9% 6 mph SSW 64%
8 PM 30° Clear 9% 5 mph S 69%
9 PM 29° Clear 9% 4 mph S 73%
10 PM 27° Mostly Clear 7% 4 mph S 76%
11 PM 27° Mostly Clear 4% 4 mph S 80%
12 AM 26° Mostly Clear 4% 4 mph S 83%
1 AM 26° Mostly Clear 3% 4 mph S 86%
2 AM 25° Mostly Clear 3% 3 mph S 87%
3 AM 24° Mostly Clear 3% 3 mph SSW 89%
4 AM 24° Mostly Clear 3% 2 mph SSW 91%
5 AM 24° Mostly Clear 3% 2 mph S 91%
6 AM 22° Mostly Clear 3% 2 mph SSW 91%
7 AM 22° Partly Cloudy 3% 2 mph SSW 91%
8 AM 24° Partly Cloudy 3% 2 mph SSW 89%
9 AM 25° Partly Cloudy 3% 3 mph SW 83%
10 AM 27° Partly Cloudy 3% 4 mph SW 80%
11 AM 28° Mostly Clear 5% 4 mph SW 75%
12 PM 30° Mostly Clear 5% 4 mph SW 70%
1 PM 31° Mostly Clear 5% 4 mph SSW 66%
2 PM 32° Mostly Clear 8% 4 mph SSW 63%
3 PM 32° Mostly Clear 8% 4 mph SSW 60%
4 PM 34° Mostly Clear 9% 5 mph S 58%
15-Day Forecast
Today
9/13
Clear
9%
22°
34°
Mon
9/14
Mostly Clear
10%
22°
36°
Tue
9/15
Mostly Clear
7%
22°
38°
Wed
9/16
Mostly Clear
7%
23°
36°
Thu
9/17
Clear
6%
22°
37°
Fri
9/18
Clear
8%
21°
38°
Sat
9/19
Clear
8%
21°
37°
Sun
9/20
Mostly Clear
60%
22°
36°
Mon
9/21
Drizzle
60%
21°
35°
Tue
9/22
Drizzle
67%
21°
34°
Wed
9/23
Drizzle
67%
19°
33°
Thu
9/24
Clear
25%
20°
33°
Fri
9/25
Drizzle
60%
19°
33°
Sat
9/26
Drizzle
60%
19°
33°
Sun
9/27
Clear
60%
19°
33°
23
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
23 AQI 4.2 µg/m³
O3
Ground-level ozone
22 AQI 24 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 23 Good 22 23
Tue 24 Good 24 20
Wed 26 Good 26 20
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 Sun Sep 13, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2814 J/kg
MLCAPE1260 J/kg
MUCAPE2814 J/kg
SBCIN-35 J/kg
MLCIN-143 J/kg
Lifted Index-6.1
Kinematics
0–6 km Shear10 kt
0–1 km Shear4 kt
Eff. Shear10 kt
0–1 km SRH-17
0–3 km SRH12
Eff. SRH12
Storm Motion116° @ 18 kt
0–1 km EHI-0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index29.4
Thermo & Levels
PWAT1.62 in
0–3 km LR7.6 °C/km
700–500 LR5.6 °C/km
Total Totals44.1
LCL867 hPa
LFC806 hPa
EL147 hPa
Freezing Lvl16,627 ft