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: 11:46 AM CDT  ·  Refresh
32°C
Feels like 37°
Mostly Clear
▲ 39°  /  ▼ 23°
Wind
3 mph W
Humidity
58%
Dew Point
24°
Pressure
29.65 inHg
Visibility
9 mi
UV Index
8.8
Cloud Cover
10%
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 32°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2754 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
30 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
32°
11%
12 PM
34°
15%
1 PM
36°
22%
2 PM
36°
25%
3 PM
36°
31%
4 PM
34°
28%
5 PM
32°
17%
6 PM
31°
12%
7 PM
29°
12%
8 PM
29°
13%
9 PM
27°
13%
10 PM
27°
16%
11 PM
27°
22%
12 AM
26°
17%
1 AM
26°
17%
2 AM
25°
12%
3 AM
24°
13%
4 AM
24°
13%
5 AM
23°
9%
6 AM
23°
9%
7 AM
24°
9%
8 AM
26°
15%
9 AM
28°
16%
10 AM
29°
26%
7-Day Forecast
Today
39° 23°
Mostly Clear with a 25% chance of rain.
Tue
37° 23°
Mostly Clear with a 47% chance of rain.
Wed
37° 22°
Partly Cloudy.
Thu
34° 21°
Partly Cloudy with a 35% chance of rain.
Fri
36° 20°
Rain, 30% chance.
Sat
37° 21°
Clear with a 30% chance of rain.
Sun
37° 21°
Clear with a 31% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 32° Mostly Clear 11% 3 mph W 58%
12 PM 34° Mostly Clear 15% 3 mph W 52%
1 PM 36° Mostly Clear 22% 3 mph SW 51%
2 PM 36° Mostly Clear 25% 3 mph SW 50%
3 PM 36° Partly Cloudy 31% 3 mph SW 50%
4 PM 34° Mostly Cloudy 28% 3 mph SSW 54%
5 PM 32° Partly Cloudy 17% 3 mph SW 59%
6 PM 31° Partly Cloudy 12% 3 mph SE 64%
7 PM 29° Partly Cloudy 12% 2 mph S 69%
8 PM 29° Partly Cloudy 13% 3 mph S 73%
9 PM 27° Partly Cloudy 13% 4 mph S 76%
10 PM 27° Mostly Clear 16% 4 mph S 78%
11 PM 27° Mostly Clear 22% 3 mph SSW 79%
12 AM 26° Clear 17% 3 mph SSW 80%
1 AM 26° Clear 17% 3 mph S 82%
2 AM 25° Mostly Clear 12% 3 mph S 84%
3 AM 24° Mostly Clear 13% 3 mph S 86%
4 AM 24° Mostly Clear 13% 2 mph S 87%
5 AM 23° Mostly Clear 9% 2 mph SSE 88%
6 AM 23° Mostly Clear 9% 2 mph SSE 89%
7 AM 24° Mostly Clear 9% 2 mph SE 84%
8 AM 26° Mostly Clear 15% 2 mph SE 78%
9 AM 28° Clear 16% 3 mph SE 72%
10 AM 29° Clear 26% 3 mph SE 67%
15-Day Forecast
Today
9/7
Mostly Clear
25%
23°
39°
Tue
9/8
Mostly Clear
47%
23°
37°
Wed
9/9
Partly Cloudy
11%
22°
37°
Thu
9/10
Partly Cloudy
35%
21°
34°
Fri
9/11
Rain
30%
20°
36°
Sat
9/12
Clear
30%
21°
37°
Sun
9/13
Clear
31%
21°
37°
Mon
9/14
Drizzle
42%
21°
37°
Tue
9/15
Rain
44%
21°
37°
Wed
9/16
Drizzle
51%
19°
36°
Thu
9/17
Drizzle
60%
20°
35°
Fri
9/18
Drizzle
60%
21°
34°
Sat
9/19
Drizzle
60%
21°
34°
Sun
9/20
Clear
60%
21°
34°
Mon
9/21
Drizzle
60%
20°
33°
30
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
30 AQI 5.4 µg/m³
O3
Ground-level ozone
27 AQI 30 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 30 Good 27 30
Wed 41 Good 33 41
Thu 37 Good 33 37
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, 15:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3271 J/kg
MLCAPE3069 J/kg
MUCAPE3977 J/kg
SBCIN-31 J/kg
MLCIN-31 J/kg
Lifted Index-6.5
Kinematics
0–6 km Shear8 kt
0–1 km Shear5 kt
Eff. Shear16 kt
0–1 km SRH20
0–3 km SRH43
Eff. SRH43
Storm Motion136° @ 16 kt
0–1 km EHI0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index37.5
Thermo & Levels
PWAT2.19 in
0–3 km LR7.1 °C/km
700–500 LR5.4 °C/km
Total Totals46.2
LCL897 hPa
LFC785 hPa
EL133 hPa
Freezing Lvl16,188 ft