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

Nacogdoches County, Texas, United States

Last updated: 3:52 PM CDT  ·  Refresh
34°C
Feels like 38°
Clear
▲ 36°  /  ▼ 22°
Wind
6 mph S
Humidity
47%
Dew Point
22°
Pressure
29.60 inHg
Visibility
10 mi
UV Index
7.7
Cloud Cover
8%
Sunrise
7:00 AM
Sunset
7:26 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 2401 J/kg) — isolated convective development possible. Sunrise: 7:00AM · Sunset: 7:26PM.

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
27 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
34°
3%
4 PM
35°
3%
5 PM
36°
3%
6 PM
34°
3%
7 PM
32°
3%
8 PM
31°
3%
9 PM
28°
3%
10 PM
28°
3%
11 PM
27°
3%
12 AM
27°
3%
1 AM
26°
3%
2 AM
26°
3%
3 AM
25°
3%
4 AM
24°
3%
5 AM
22°
3%
6 AM
22°
3%
7 AM
23°
3%
8 AM
24°
3%
9 AM
26°
3%
10 AM
28°
3%
11 AM
29°
3%
12 PM
30°
3%
1 PM
32°
3%
2 PM
32°
3%
7-Day Forecast
Today
36° 22°
Mostly Clear.
Mon
37° 22°
Mostly Clear.
Tue
37° 21°
Mostly Clear.
Wed
36° 23°
Clear.
Thu
37° 22°
Clear.
Fri
37° 21°
Clear.
Sat
37° 22°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 34° Clear 3% 6 mph S 47%
4 PM 35° Mostly Clear 3% 7 mph S 48%
5 PM 36° Mostly Clear 3% 7 mph S 51%
6 PM 34° Mostly Clear 3% 6 mph SSE 57%
7 PM 32° Mostly Clear 3% 6 mph SSE 63%
8 PM 31° Mostly Clear 3% 6 mph S 68%
9 PM 28° Mostly Clear 3% 6 mph S 74%
10 PM 28° Mostly Clear 3% 5 mph S 77%
11 PM 27° Mostly Clear 3% 5 mph S 80%
12 AM 27° Partly Cloudy 3% 5 mph S 82%
1 AM 26° Mostly Clear 3% 4 mph S 84%
2 AM 26° Mostly Clear 3% 4 mph S 85%
3 AM 25° Clear 3% 4 mph S 87%
4 AM 24° Clear 3% 3 mph S 89%
5 AM 22° Mostly Clear 3% 3 mph S 91%
6 AM 22° Mostly Clear 3% 3 mph S 94%
7 AM 23° Mostly Clear 3% 3 mph S 92%
8 AM 24° Partly Cloudy 3% 3 mph SSW 87%
9 AM 26° Partly Cloudy 3% 4 mph SSW 84%
10 AM 28° Mostly Clear 3% 4 mph SSW 78%
11 AM 29° Mostly Clear 3% 4 mph SSW 72%
12 PM 30° Mostly Clear 3% 4 mph SSW 66%
1 PM 32° Mostly Clear 3% 5 mph SSW 63%
2 PM 32° Mostly Clear 3% 5 mph SSW 60%
15-Day Forecast
Today
9/13
Mostly Clear
3%
22°
36°
Mon
9/14
Mostly Clear
3%
22°
37°
Tue
9/15
Mostly Clear
8%
21°
37°
Wed
9/16
Clear
8%
23°
36°
Thu
9/17
Clear
3%
22°
37°
Fri
9/18
Clear
9%
21°
37°
Sat
9/19
Clear
9%
22°
37°
Sun
9/20
Clear
60%
21°
35°
Mon
9/21
Drizzle
60%
19°
34°
Tue
9/22
Drizzle
60%
18°
34°
Wed
9/23
Drizzle
60%
18°
33°
Thu
9/24
Clear
25%
21°
33°
Fri
9/25
Clear
25%
20°
33°
Sat
9/26
Clear
25%
19°
33°
Sun
9/27
Drizzle
60%
19°
33°
27
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
27 AQI 4.9 µg/m³
O3
Ground-level ozone
26 AQI 29 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 27 Good 26 27
Tue 29 Good 29 22
Wed 27 Good 27 22
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 Sun Sep 13, 19:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2931 J/kg
MLCAPE1863 J/kg
MUCAPE2931 J/kg
SBCIN-0 J/kg
MLCIN-8 J/kg
Lifted Index-5.4
Kinematics
0–6 km Shear8 kt
0–1 km Shear1 kt
Eff. Shear13 kt
0–1 km SRH-4
0–3 km SRH17
Eff. SRH17
Storm Motion86° @ 13 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index32.5
Thermo & Levels
PWAT1.81 in
0–3 km LR7.9 °C/km
700–500 LR5.5 °C/km
Total Totals44.5
LCL848 hPa
LFC1002 hPa
EL145 hPa
Freezing Lvl16,388 ft