Red Flag Warning — 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 1:00 AM Wind 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 1:00 AM

San Augustine County, Texas, United States

Last updated: 8:00 PM CDT  ·  Refresh
27°C
Feels like 28°
Mostly Clear
▲ 31°  /  ▼ 18°
Wind
4 mph SW
Humidity
59%
Dew Point
18°
Pressure
29.69 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
11%
Sunrise
7:19 AM
Sunset
6:44 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: San Augustine County is currently mostly clear at 27°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 570 J/kg) — isolated convective development possible. Sunrise: 7:19AM · Sunset: 6:44PM.

Alerts

Red Flag Warning
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 1:00 AM
Wind 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 1:00 AM
44 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
10%
9 PM
26°
7%
10 PM
24°
15%
11 PM
23°
15%
12 AM
23°
15%
1 AM
22°
15%
2 AM
22°
15%
3 AM
22°
16%
4 AM
22°
15%
5 AM
22°
19%
6 AM
19°
16%
7 AM
19°
16%
8 AM
18°
5%
9 AM
18°
5%
10 AM
20°
3%
11 AM
20°
3%
12 PM
20°
3%
1 PM
21°
3%
2 PM
23°
3%
3 PM
24°
3%
4 PM
24°
3%
5 PM
24°
3%
6 PM
21°
3%
7 PM
19°
3%
7-Day Forecast
Tonight
31° 18°
Clear.
Fri
28° 13°
Mostly Cloudy.
Sat
23° 7°
Clear.
Sun
24° 6°
Mostly Clear.
Mon
28° 8°
Clear.
Tue
30° 10°
Clear.
Wed
31° 9°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 27° Mostly Clear 10% 4 mph SW 59%
9 PM 26° Clear 7% 4 mph SW 67%
10 PM 24° Clear 15% 4 mph SSW 73%
11 PM 23° Clear 15% 4 mph S 76%
12 AM 23° Clear 15% 2 mph SSW 80%
1 AM 22° Clear 15% 4 mph WSW 82%
2 AM 22° Clear 15% 4 mph W 84%
3 AM 22° Mostly Clear 16% 4 mph W 85%
4 AM 22° Partly Cloudy 15% 4 mph WNW 86%
5 AM 22° Partly Cloudy 19% 6 mph NW 85%
6 AM 19° Partly Cloudy 16% 8 mph NNW 83%
7 AM 19° Partly Cloudy 16% 9 mph NNW 81%
8 AM 18° Mostly Cloudy 5% 11 mph N 77%
9 AM 18° Mostly Cloudy 5% 12 mph N 73%
10 AM 20° Mostly Cloudy 3% 14 mph N 69%
11 AM 20° Mostly Cloudy 3% 14 mph N 62%
12 PM 20° Mostly Cloudy 3% 14 mph N 54%
1 PM 21° Mostly Cloudy 3% 14 mph N 46%
2 PM 23° Mostly Cloudy 3% 14 mph N 40%
3 PM 24° Mostly Cloudy 3% 15 mph N 34%
4 PM 24° Mostly Cloudy 3% 15 mph N 29%
5 PM 24° Mostly Cloudy 3% 14 mph N 30%
6 PM 21° Mostly Cloudy 3% 13 mph N 30%
7 PM 19° Partly Cloudy 3% 12 mph N 31%
15-Day Forecast
Today
10/15
Clear
15%
18°
31°
Fri
10/16
Mostly Cloudy
19%
13°
28°
Sat
10/17
Clear
3%
7°
23°
Sun
10/18
Mostly Clear
3%
6°
24°
Mon
10/19
Clear
8%
8°
28°
Tue
10/20
Clear
3%
10°
30°
Wed
10/21
Clear
3%
9°
31°
Thu
10/22
Clear
3%
10°
32°
Fri
10/23
Drizzle
44%
11°
31°
Sat
10/24
Drizzle
51%
12°
31°
Sun
10/25
Drizzle
44%
13°
30°
Mon
10/26
Drizzle
60%
14°
29°
Tue
10/27
Drizzle
60%
14°
28°
Wed
10/28
Drizzle
60%
13°
28°
Thu
10/29
Drizzle
60%
14°
27°
44
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
44 AQI 8.0 µg/m³
O3
Ground-level ozone
Dominant
44 AQI 49 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 44 Good 44 44
Sat 33 Good 33 24
Sun 33 Good 33 25
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 Thu Oct 15, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3 J/kg
MLCAPE2 J/kg
MUCAPE3 J/kg
SBCIN-333 J/kg
MLCIN0 J/kg
Lifted Index0.9
Kinematics
0–6 km Shear7 kt
0–1 km Shear7 kt
Eff. Shear—
0–1 km SRH24
0–3 km SRH5
Eff. SRH—
Storm Motion225° @ 16 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index4.1
Thermo & Levels
PWAT1.08 in
0–3 km LR5.6 °C/km
700–500 LR6.0 °C/km
Total Totals40.2
LCL885 hPa
LFC547 hPa
EL518 hPa
Freezing Lvl15,233 ft