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

Nacogdoches County, Texas, United States

Last updated: 8:04 PM CDT  ·  Refresh
34°C
Feels like 38°
Clear
▲ 37°  /  ▼ 23°
Wind
9 mph S
Humidity
50%
Dew Point
21°
Pressure
29.49 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
7%
Sunrise
6:41 AM
Sunset
8:04 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Nacogdoches County is currently clear at 34°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2308 J/kg) — isolated convective development possible. Sunrise: 6:41AM · Sunset: 8:04PM.

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
30 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
34°
5%
9 PM
33°
3%
10 PM
31°
3%
11 PM
29°
3%
12 AM
28°
3%
1 AM
27°
3%
2 AM
27°
3%
3 AM
26°
3%
4 AM
26°
3%
5 AM
25°
3%
6 AM
23°
3%
7 AM
23°
3%
8 AM
25°
3%
9 AM
27°
3%
10 AM
29°
3%
11 AM
31°
3%
12 PM
32°
3%
1 PM
33°
3%
2 PM
36°
3%
3 PM
38°
3%
4 PM
39°
3%
5 PM
38°
3%
6 PM
36°
3%
7 PM
36°
3%
7-Day Forecast
Tonight
37° 23°
Clear.
Thu
39° 23°
Clear.
Fri
40° 22°
Mostly Clear.
Sat
40° 22°
Mostly Clear.
Sun
42° 22°
Clear.
Mon
41° 21°
Clear.
Tue
41° 22°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 34° Clear 5% 9 mph S 50%
9 PM 33° Clear 3% 10 mph S 58%
10 PM 31° Clear 3% 10 mph S 66%
11 PM 29° Clear 3% 9 mph S 72%
12 AM 28° Clear 3% 8 mph S 77%
1 AM 27° Clear 3% 8 mph S 82%
2 AM 27° Clear 3% 8 mph S 85%
3 AM 26° Clear 3% 8 mph SSW 87%
4 AM 26° Clear 3% 7 mph SSW 90%
5 AM 25° Mostly Clear 3% 7 mph SSW 91%
6 AM 23° Mostly Clear 3% 7 mph SSW 92%
7 AM 23° Mostly Clear 3% 8 mph SSW 92%
8 AM 25° Mostly Clear 3% 9 mph SSW 82%
9 AM 27° Mostly Clear 3% 11 mph SW 71%
10 AM 29° Clear 3% 12 mph SW 60%
11 AM 31° Clear 3% 11 mph SW 53%
12 PM 32° Clear 3% 11 mph SSW 46%
1 PM 33° Clear 3% 10 mph SSW 40%
2 PM 36° Clear 3% 10 mph SSW 38%
3 PM 38° Clear 3% 10 mph SSW 36%
4 PM 39° Clear 3% 10 mph SSW 34%
5 PM 38° Clear 3% 10 mph SSW 35%
6 PM 36° Clear 3% 10 mph SSW 37%
7 PM 36° Clear 3% 10 mph S 39%
15-Day Forecast
Today
8/12
Clear
5%
23°
37°
Thu
8/13
Clear
3%
23°
39°
Fri
8/14
Mostly Clear
3%
22°
40°
Sat
8/15
Mostly Clear
3%
22°
40°
Sun
8/16
Clear
8%
22°
42°
Mon
8/17
Clear
8%
21°
41°
Tue
8/18
Clear
17%
22°
41°
Wed
8/19
Clear
17%
22°
41°
Thu
8/20
Clear
18%
20°
41°
Fri
8/21
Clear
12%
19°
42°
Sat
8/22
Rain
68%
21°
42°
Sun
8/23
Drizzle
60%
24°
40°
Mon
8/24
Drizzle
60%
24°
39°
Tue
8/25
Drizzle
60%
24°
39°
Wed
8/26
Drizzle
60%
24°
38°
30
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
22 AQI 4.0 µg/m³
O3
Ground-level ozone
Dominant
30 AQI 33 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 30 Good 30 22
Fri 44 Good 33 44
Sat 61 Moderate 29 61
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 Aug 12, 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
SBCAPE2087 J/kg
MLCAPE1949 J/kg
MUCAPE2087 J/kg
SBCIN-81 J/kg
MLCIN0 J/kg
Lifted Index-4.4
Kinematics
0–6 km Shear7 kt
0–1 km Shear6 kt
Eff. Shear6 kt
0–1 km SRH7
0–3 km SRH56
Eff. SRH56
Storm Motion19° @ 7 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index34.8
Thermo & Levels
PWAT1.91 in
0–3 km LR7.5 °C/km
700–500 LR5.9 °C/km
Total Totals48.9
LCL835 hPa
LFC783 hPa
EL159 hPa
Freezing Lvl16,352 ft