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 8:00 PM

San Augustine County, Texas, United States

Last updated: 7:12 PM CDT  ·  Refresh
34°C
Feels like 39°
Clear
▲ 37°  /  ▼ 23°
Wind
8 mph S
Humidity
48%
Dew Point
22°
Pressure
29.57 inHg
Visibility
10 mi
UV Index
2.6
Cloud Cover
2%
Sunrise
6:40 AM
Sunset
8:02 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: San Augustine County is currently clear at 35°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2435 J/kg) — isolated convective development possible. Sunrise: 6:40AM · Sunset: 8:02PM.

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 8:00 PM
25 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
34°
4%
8 PM
33°
4%
9 PM
32°
4%
10 PM
29°
4%
11 PM
28°
3%
12 AM
27°
3%
1 AM
27°
3%
2 AM
26°
3%
3 AM
26°
3%
4 AM
25°
3%
5 AM
24°
3%
6 AM
23°
3%
7 AM
24°
3%
8 AM
26°
3%
9 AM
27°
3%
10 AM
30°
3%
11 AM
31°
3%
12 PM
32°
3%
1 PM
33°
3%
2 PM
37°
3%
3 PM
37°
3%
4 PM
37°
3%
5 PM
38°
3%
6 PM
35°
3%
7-Day Forecast
Tonight
37° 23°
Clear.
Thu
38° 23°
Clear.
Fri
39° 22°
Partly Cloudy.
Sat
39° 23°
Mostly Clear.
Sun
41° 23°
Clear.
Mon
41° 23°
Clear.
Tue
41° 23°
Mostly Clear with a 21% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 34° Clear 4% 8 mph S 48%
8 PM 33° Clear 4% 8 mph S 56%
9 PM 32° Clear 4% 8 mph S 65%
10 PM 29° Clear 4% 9 mph S 72%
11 PM 28° Clear 3% 8 mph S 76%
12 AM 27° Clear 3% 7 mph S 80%
1 AM 27° Clear 3% 7 mph SSW 84%
2 AM 26° Mostly Clear 3% 7 mph SSW 87%
3 AM 26° Mostly Clear 3% 7 mph SSW 90%
4 AM 25° Mostly Clear 3% 7 mph SSW 92%
5 AM 24° Mostly Clear 3% 7 mph SSW 92%
6 AM 23° Mostly Clear 3% 6 mph SSW 93%
7 AM 24° Mostly Clear 3% 7 mph SSW 91%
8 AM 26° Mostly Clear 3% 9 mph SW 81%
9 AM 27° Clear 3% 10 mph SW 71%
10 AM 30° Clear 3% 10 mph SW 61%
11 AM 31° Clear 3% 10 mph SW 55%
12 PM 32° Clear 3% 10 mph SSW 48%
1 PM 33° Clear 3% 9 mph SSW 42%
2 PM 37° Clear 3% 9 mph SSW 40%
3 PM 37° Clear 3% 9 mph SSW 37%
4 PM 37° Clear 3% 9 mph SSW 36%
5 PM 38° Clear 3% 9 mph S 38%
6 PM 35° Clear 3% 9 mph S 40%
15-Day Forecast
Today
8/12
Clear
4%
23°
37°
Thu
8/13
Clear
3%
23°
38°
Fri
8/14
Partly Cloudy
3%
22°
39°
Sat
8/15
Mostly Clear
3%
23°
39°
Sun
8/16
Clear
7%
23°
41°
Mon
8/17
Clear
15%
23°
41°
Tue
8/18
Mostly Clear
21%
23°
41°
Wed
8/19
Mostly Clear
15%
23°
40°
Thu
8/20
Partly Cloudy
35%
22°
41°
Fri
8/21
Partly Cloudy
11%
22°
41°
Sat
8/22
Rain
90%
23°
41°
Sun
8/23
Drizzle
60%
23°
40°
Mon
8/24
Drizzle
60%
23°
38°
Tue
8/25
Drizzle
60%
23°
38°
Wed
8/26
Drizzle
60%
23°
38°
25
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
18 AQI 3.3 µg/m³
O3
Ground-level ozone
Dominant
25 AQI 28 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 25 Good 25 18
Fri 43 Good 29 43
Sat 59 Moderate 31 59
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 Wed Aug 12, 22:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2494 J/kg
MLCAPE1953 J/kg
MUCAPE2494 J/kg
SBCIN-53 J/kg
MLCIN0 J/kg
Lifted Index-5.2
Kinematics
0–6 km Shear7 kt
0–1 km Shear5 kt
Eff. Shear4 kt
0–1 km SRH10
0–3 km SRH49
Eff. SRH49
Storm Motion348° @ 7 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index31.9
Thermo & Levels
PWAT1.78 in
0–3 km LR7.7 °C/km
700–500 LR5.9 °C/km
Total Totals46.8
LCL835 hPa
LFC799 hPa
EL153 hPa
Freezing Lvl16,362 ft