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: 5:16 PM CDT  ·  Refresh
35°C
Feels like 39°
Mostly Clear
▲ 36°  /  ▼ 24°
Wind
6 mph SSW
Humidity
45%
Dew Point
22°
Pressure
29.56 inHg
Visibility
10 mi
UV Index
6.7
Cloud Cover
21%
Sunrise
6:31 AM
Sunset
8:14 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: San Augustine County is currently mostly clear at 35°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1430 J/kg) — isolated convective development possible. Sunrise: 6:31AM · Sunset: 8:14PM.

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
57 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
35°
3%
6 PM
36°
16%
7 PM
34°
16%
8 PM
33°
15%
9 PM
31°
15%
10 PM
29°
15%
11 PM
28°
15%
12 AM
28°
7%
1 AM
27°
3%
2 AM
26°
3%
3 AM
26°
3%
4 AM
26°
3%
5 AM
26°
3%
6 AM
24°
3%
7 AM
24°
3%
8 AM
26°
3%
9 AM
27°
3%
10 AM
29°
3%
11 AM
30°
3%
12 PM
32°
3%
1 PM
33°
3%
2 PM
34°
3%
3 PM
34°
5%
4 PM
34°
5%
7-Day Forecast
Today
36° 24°
Mostly Clear.
Thu
37° 24°
Partly Cloudy.
Fri
36° 24°
Mostly Clear with a 43% chance of rain.
Sat
37° 25°
Partly Cloudy with a 57% chance of rain.
Sun
37° 21°
Clear.
Mon
38° 22°
Clear with a 33% chance of rain.
Tue
38° 23°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 35° Mostly Clear 3% 6 mph SSW 45%
6 PM 36° Mostly Clear 16% 5 mph SSW 46%
7 PM 34° Partly Cloudy 16% 5 mph SSW 50%
8 PM 33° Partly Cloudy 15% 4 mph SSW 54%
9 PM 31° Partly Cloudy 15% 4 mph S 58%
10 PM 29° Mostly Cloudy 15% 5 mph SSW 62%
11 PM 28° Overcast 15% 5 mph SSW 68%
12 AM 28° Overcast 7% 6 mph SSW 74%
1 AM 27° Overcast 3% 6 mph SSW 80%
2 AM 26° Overcast 3% 5 mph SSW 82%
3 AM 26° Overcast 3% 5 mph SW 84%
4 AM 26° Overcast 3% 5 mph SW 86%
5 AM 26° Mostly Cloudy 3% 5 mph SW 87%
6 AM 24° Mostly Cloudy 3% 5 mph SW 87%
7 AM 24° Mostly Cloudy 3% 5 mph WSW 86%
8 AM 26° Partly Cloudy 3% 6 mph WSW 79%
9 AM 27° Partly Cloudy 3% 7 mph WSW 73%
10 AM 29° Partly Cloudy 3% 7 mph WSW 67%
11 AM 30° Partly Cloudy 3% 6 mph WSW 61%
12 PM 32° Partly Cloudy 3% 6 mph WSW 55%
1 PM 33° Partly Cloudy 3% 6 mph WSW 51%
2 PM 34° Mostly Cloudy 3% 6 mph SW 49%
3 PM 34° Mostly Cloudy 5% 6 mph SW 47%
4 PM 34° Mostly Cloudy 5% 6 mph SW 46%
15-Day Forecast
Today
7/29
Mostly Clear
15%
24°
36°
Thu
7/30
Partly Cloudy
6%
24°
37°
Fri
7/31
Mostly Clear
43%
24°
36°
Sat
8/1
Partly Cloudy
57%
25°
37°
Sun
8/2
Clear
17%
21°
37°
Mon
8/3
Clear
33%
22°
38°
Tue
8/4
Clear
17%
23°
38°
Wed
8/5
Mostly Clear
35%
23°
38°
Thu
8/6
Mostly Clear
34%
23°
38°
Fri
8/7
Mostly Clear
34%
23°
39°
Sat
8/8
Clear
25%
23°
38°
Sun
8/9
Clear
25%
23°
38°
Mon
8/10
Clear
25%
24°
39°
Tue
8/11
Clear
25%
24°
39°
Wed
8/12
Clear
25%
24°
39°
57
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
57 AQI 12.5 µg/m³
O3
Ground-level ozone
28 AQI 30 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 57 Moderate 28 57
Fri 58 Moderate 28 58
Sat 53 Moderate 24 53
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 Jul 29, 21:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1351 J/kg
MLCAPE634 J/kg
MUCAPE1351 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-3.0
Kinematics
0–6 km Shear10 kt
0–1 km Shear1 kt
Eff. Shear15 kt
0–1 km SRH2
0–3 km SRH-17
Eff. SRH-17
Storm Motion302° @ 15 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index23.1
Thermo & Levels
PWAT1.67 in
0–3 km LR8.1 °C/km
700–500 LR5.0 °C/km
Total Totals40.9
LCL825 hPa
LFC1001 hPa
EL149 hPa
Freezing Lvl17,539 ft