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: 5:52 AM CDT  ·  Refresh
24°C
Feels like 28°
Clear
▲ 36°  /  ▼ 24°
Wind
4 mph SW
Humidity
91%
Dew Point
23°
Pressure
29.59 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
0%
Sunrise
6:30 AM
Sunset
8:15 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: San Augustine County is currently clear at 24°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 709 J/kg) — isolated convective development possible. Sunrise: 6:30AM · Sunset: 8:15PM.

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
34 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
3%
6 AM
22°
3%
7 AM
24°
3%
8 AM
26°
3%
9 AM
29°
3%
10 AM
30°
3%
11 AM
32°
3%
12 PM
33°
3%
1 PM
35°
3%
2 PM
36°
3%
3 PM
36°
3%
4 PM
36°
3%
5 PM
36°
3%
6 PM
35°
3%
7 PM
33°
3%
8 PM
32°
3%
9 PM
30°
3%
10 PM
29°
3%
11 PM
28°
3%
12 AM
27°
3%
1 AM
27°
3%
2 AM
26°
3%
3 AM
26°
3%
4 AM
26°
3%
7-Day Forecast
Today
36° 24°
Mostly Clear.
Wed
38° 24°
Partly Cloudy.
Thu
39° 24°
Partly Cloudy.
Fri
38° 24°
Mostly Cloudy.
Sat
41° 23°
Mostly Clear.
Sun
38° 22°
Clear.
Mon
39° 22°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 24° Clear 3% 4 mph SW 91%
6 AM 22° Clear 3% 4 mph WSW 92%
7 AM 24° Clear 3% 6 mph WSW 84%
8 AM 26° Clear 3% 7 mph WSW 75%
9 AM 29° Clear 3% 8 mph WSW 67%
10 AM 30° Clear 3% 8 mph WSW 62%
11 AM 32° Clear 3% 7 mph WSW 56%
12 PM 33° Clear 3% 7 mph WSW 51%
1 PM 35° Clear 3% 6 mph SW 48%
2 PM 36° Mostly Clear 3% 6 mph SW 44%
3 PM 36° Mostly Clear 3% 6 mph SW 42%
4 PM 36° Clear 3% 5 mph SW 42%
5 PM 36° Clear 3% 5 mph SSW 44%
6 PM 35° Clear 3% 5 mph SSW 46%
7 PM 33° Clear 3% 5 mph SSW 52%
8 PM 32° Mostly Clear 3% 5 mph SSW 56%
9 PM 30° Partly Cloudy 3% 6 mph S 61%
10 PM 29° Partly Cloudy 3% 6 mph SSW 66%
11 PM 28° Partly Cloudy 3% 6 mph SSW 72%
12 AM 27° Partly Cloudy 3% 6 mph SSW 77%
1 AM 27° Partly Cloudy 3% 6 mph SSW 79%
2 AM 26° Partly Cloudy 3% 6 mph SSW 82%
3 AM 26° Partly Cloudy 3% 5 mph SSW 84%
4 AM 26° Partly Cloudy 3% 5 mph SW 84%
15-Day Forecast
Today
7/28
Mostly Clear
3%
24°
36°
Wed
7/29
Partly Cloudy
6%
24°
38°
Thu
7/30
Partly Cloudy
7%
24°
39°
Fri
7/31
Mostly Cloudy
14%
24°
38°
Sat
8/1
Mostly Clear
17%
23°
41°
Sun
8/2
Clear
15%
22°
38°
Mon
8/3
Clear
15%
22°
39°
Tue
8/4
Rain
66%
23°
38°
Wed
8/5
Clear
35%
23°
39°
Thu
8/6
Drizzle
47%
23°
37°
Fri
8/7
Drizzle
60%
23°
38°
Sat
8/8
Drizzle
60%
23°
37°
Sun
8/9
Drizzle
60%
23°
37°
Mon
8/10
Clear
60%
23°
38°
Tue
8/11
Drizzle
60%
23°
39°
34
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
34 AQI 6.1 µg/m³
O3
Ground-level ozone
27 AQI 29 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 34 Good 27 34
Wed 40 Good 24 40
Thu 57 Moderate 25 57
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 28, 09:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE21 J/kg
MLCAPE12 J/kg
MUCAPE345 J/kg
SBCIN-443 J/kg
MLCIN0 J/kg
Lifted Index0.1
Kinematics
0–6 km Shear13 kt
0–1 km Shear9 kt
Eff. Shear16 kt
0–1 km SRH37
0–3 km SRH21
Eff. SRH18
Storm Motion319° @ 16 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.1
K-Index17.0
Thermo & Levels
PWAT1.38 in
0–3 km LR4.1 °C/km
700–500 LR5.3 °C/km
Total Totals36.8
LCL982 hPa
LFC380 hPa
EL282 hPa
Freezing Lvl17,539 ft