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 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: 2:45 PM CDT  ·  Refresh
34°C
Feels like 39°
Mostly Clear
▲ 38°  /  ▼ 22°
Wind
2 mph S
Humidity
53%
Dew Point
24°
Pressure
29.62 inHg
Visibility
10 mi
UV Index
8.8
Cloud Cover
21%
Sunrise
6:56 AM
Sunset
7:32 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: San Augustine County is currently mostly clear at 34°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2872 J/kg) — isolated convective development possible. Sunrise: 6:56AM · Sunset: 7:32PM.

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
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
31 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
34°
33%
3 PM
36°
39%
4 PM
34°
24%
5 PM
33°
26%
6 PM
31°
23%
7 PM
29°
21%
8 PM
29°
21%
9 PM
28°
21%
10 PM
27°
17%
11 PM
27°
23%
12 AM
27°
18%
1 AM
26°
18%
2 AM
25°
12%
3 AM
24°
13%
4 AM
24°
13%
5 AM
22°
9%
6 AM
22°
9%
7 AM
23°
16%
8 AM
25°
27%
9 AM
28°
27%
10 AM
29°
28%
11 AM
31°
24%
12 PM
31°
24%
1 PM
33°
25%
7-Day Forecast
Today
38° 22°
Mostly Clear with a 33% chance of rain.
Tue
37° 22°
Mostly Clear with a 33% chance of rain.
Wed
37° 22°
Mostly Clear with a 38% chance of rain.
Thu
32° 21°
Partly Cloudy with a 38% chance of rain.
Fri
36° 21°
Clear.
Sat
36° 21°
Clear with a 25% chance of rain.
Sun
37° 21°
Clear with a 35% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 34° Mostly Clear 33% 2 mph S 53%
3 PM 36° Partly Cloudy 39% 2 mph S 54%
4 PM 34° Partly Cloudy 24% 2 mph SSE 55%
5 PM 33° Partly Cloudy 26% 2 mph S 59%
6 PM 31° Partly Cloudy 23% 3 mph S 65%
7 PM 29° Partly Cloudy 21% 3 mph S 70%
8 PM 29° Partly Cloudy 21% 3 mph SSW 73%
9 PM 28° Partly Cloudy 21% 3 mph S 76%
10 PM 27° Mostly Clear 17% 3 mph S 78%
11 PM 27° Mostly Clear 23% 3 mph S 79%
12 AM 27° Clear 18% 3 mph S 80%
1 AM 26° Clear 18% 3 mph S 82%
2 AM 25° Mostly Clear 12% 2 mph S 84%
3 AM 24° Mostly Clear 13% 2 mph S 86%
4 AM 24° Mostly Clear 13% 2 mph SSE 88%
5 AM 22° Mostly Clear 9% 2 mph S 88%
6 AM 22° Mostly Clear 9% 2 mph SSE 90%
7 AM 23° Mostly Clear 16% 2 mph SSE 87%
8 AM 25° Mostly Clear 27% 3 mph S 81%
9 AM 28° Clear 27% 4 mph S 74%
10 AM 29° Clear 28% 4 mph S 69%
11 AM 31° Clear 24% 4 mph S 65%
12 PM 31° Clear 24% 5 mph S 60%
1 PM 33° Mostly Clear 25% 5 mph SSE 58%
15-Day Forecast
Today
9/7
Mostly Clear
33%
22°
38°
Tue
9/8
Mostly Clear
33%
22°
37°
Wed
9/9
Mostly Clear
38%
22°
37°
Thu
9/10
Partly Cloudy
38%
21°
32°
Fri
9/11
Clear
19%
21°
36°
Sat
9/12
Clear
25%
21°
36°
Sun
9/13
Clear
35%
21°
37°
Mon
9/14
Clear
25%
21°
37°
Tue
9/15
Drizzle
60%
21°
37°
Wed
9/16
Drizzle
60%
20°
37°
Thu
9/17
Drizzle
60%
19°
34°
Fri
9/18
Clear
60%
20°
33°
Sat
9/19
Clear
60%
19°
33°
Sun
9/20
Drizzle
60%
19°
32°
Mon
9/21
Drizzle
60%
18°
32°
31
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
31 AQI 5.5 µg/m³
O3
Ground-level ozone
30 AQI 32 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 31 Good 30 31
Wed 39 Good 35 39
Thu 38 Good 32 38
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 Mon Sep 7, 18:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3952 J/kg
MLCAPE2881 J/kg
MUCAPE3952 J/kg
SBCIN0 J/kg
MLCIN-3 J/kg
Lifted Index-7.0
Kinematics
0–6 km Shear4 kt
0–1 km Shear1 kt
Eff. Shear10 kt
0–1 km SRH-4
0–3 km SRH23
Eff. SRH23
Storm Motion108° @ 19 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.7
Thermo & Levels
PWAT2.29 in
0–3 km LR7.8 °C/km
700–500 LR5.4 °C/km
Total Totals46.5
LCL872 hPa
LFC1003 hPa
EL125 hPa
Freezing Lvl16,296 ft