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: 4:32 AM CDT  ·  Refresh
24°C
Feels like 28°
Clear
▲ 36°  /  ▼ 24°
Wind
4 mph SW
Humidity
89%
Dew Point
22°
Pressure
29.50 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
5%
Sunrise
6:32 AM
Sunset
8:17 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Nacogdoches County is currently clear at 24°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 741 J/kg) — isolated convective development possible. Sunrise: 6:32AM · Sunset: 8:17PM.

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
38 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
3%
5 AM
23°
3%
6 AM
22°
3%
7 AM
23°
3%
8 AM
25°
3%
9 AM
27°
3%
10 AM
28°
3%
11 AM
30°
3%
12 PM
31°
3%
1 PM
34°
3%
2 PM
34°
3%
3 PM
36°
3%
4 PM
36°
3%
5 PM
36°
3%
6 PM
36°
3%
7 PM
34°
3%
8 PM
33°
3%
9 PM
31°
3%
10 PM
30°
3%
11 PM
28°
3%
12 AM
28°
3%
1 AM
28°
3%
2 AM
27°
3%
3 AM
27°
3%
7-Day Forecast
Today
36° 24°
Mostly Clear.
Wed
38° 24°
Partly Cloudy.
Thu
38° 24°
Partly Cloudy.
Fri
38° 24°
Partly Cloudy.
Sat
41° 24°
Mostly Clear.
Sun
38° 22°
Clear.
Mon
39° 22°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 24° Clear 3% 4 mph SW 89%
5 AM 23° Clear 3% 5 mph SW 90%
6 AM 22° Clear 3% 5 mph SW 91%
7 AM 23° Clear 3% 6 mph SW 87%
8 AM 25° Clear 3% 8 mph WSW 80%
9 AM 27° Mostly Clear 3% 9 mph WSW 73%
10 AM 28° Mostly Clear 3% 8 mph WSW 67%
11 AM 30° Mostly Clear 3% 8 mph WSW 61%
12 PM 31° Clear 3% 7 mph WSW 55%
1 PM 34° Clear 3% 6 mph SW 50%
2 PM 34° Mostly Clear 3% 6 mph SW 46%
3 PM 36° Mostly Clear 3% 5 mph SW 42%
4 PM 36° Clear 3% 5 mph SW 42%
5 PM 36° Mostly Clear 3% 4 mph SSW 43%
6 PM 36° Mostly Clear 3% 4 mph SSW 45%
7 PM 34° Mostly Clear 3% 5 mph S 49%
8 PM 33° Mostly Clear 3% 5 mph S 53%
9 PM 31° Mostly Clear 3% 5 mph S 57%
10 PM 30° Mostly Clear 3% 6 mph S 61%
11 PM 28° Partly Cloudy 3% 6 mph SSW 66%
12 AM 28° Partly Cloudy 3% 6 mph SSW 71%
1 AM 28° Partly Cloudy 3% 6 mph SSW 74%
2 AM 27° Partly Cloudy 3% 6 mph SSW 76%
3 AM 27° Mostly Clear 3% 6 mph SSW 78%
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°
38°
Fri
7/31
Partly Cloudy
14%
24°
38°
Sat
8/1
Mostly Clear
15%
24°
41°
Sun
8/2
Clear
15%
22°
38°
Mon
8/3
Clear
15%
22°
39°
Tue
8/4
Rain
58%
24°
38°
Wed
8/5
Mostly Clear
39%
23°
38°
Thu
8/6
Drizzle
45%
23°
37°
Fri
8/7
Drizzle
60%
24°
38°
Sat
8/8
Drizzle
60%
24°
37°
Sun
8/9
Drizzle
60%
24°
37°
Mon
8/10
Drizzle
60%
24°
38°
Tue
8/11
Drizzle
60%
24°
39°
38
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
38 AQI 6.9 µg/m³
O3
Ground-level ozone
27 AQI 30 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 38 Good 27 38
Wed 43 Good 27 43
Thu 59 Moderate 27 59
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, 08:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE27 J/kg
MLCAPE25 J/kg
MUCAPE234 J/kg
SBCIN-469 J/kg
MLCIN0 J/kg
Lifted Index0.0
Kinematics
0–6 km Shear12 kt
0–1 km Shear7 kt
Eff. Shear28 kt
0–1 km SRH30
0–3 km SRH-0
Eff. SRH-69
Storm Motion325° @ 15 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index21.9
Thermo & Levels
PWAT1.39 in
0–3 km LR4.4 °C/km
700–500 LR5.1 °C/km
Total Totals37.5
LCL970 hPa
LFC497 hPa
EL265 hPa
Freezing Lvl17,641 ft