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

Smith County, Texas, United States

Last updated: 3:50 PM CDT  ·  Refresh
36°C
Feels like 38°
Mostly Clear
▲ 36°  /  ▼ 23°
Wind
8 mph S
Humidity
39%
Dew Point
21°
Pressure
29,41 inHg
Visibility
10 mi
UV Index
7,8
Cloud Cover
15%
Sunrise
7:03 AM
Sunset
7:29 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Smith County is currently mostly clear at 35°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2188 J/kg) — isolated convective development possible. Sunrise: 7:03AM · Sunset: 7:29PM.

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
33 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
36°
3%
4 PM
36°
3%
5 PM
36°
3%
6 PM
35°
3%
7 PM
33°
3%
8 PM
32°
3%
9 PM
30°
3%
10 PM
29°
3%
11 PM
29°
3%
12 AM
28°
3%
1 AM
27°
3%
2 AM
27°
3%
3 AM
27°
3%
4 AM
27°
3%
5 AM
23°
3%
6 AM
23°
3%
7 AM
24°
3%
8 AM
26°
3%
9 AM
27°
3%
10 AM
29°
3%
11 AM
30°
3%
12 PM
31°
3%
1 PM
32°
3%
2 PM
33°
3%
7-Day Forecast
Today
36° 23°
Mostly Clear.
Mon
37° 23°
Mostly Clear.
Tue
37° 22°
Mostly Clear.
Wed
37° 22°
Clear.
Thu
36° 22°
Clear.
Fri
37° 22°
Clear.
Sat
37° 22°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 36° Mostly Clear 3% 8 mph S 39%
4 PM 36° Mostly Clear 3% 9 mph S 39%
5 PM 36° Mostly Clear 3% 9 mph S 40%
6 PM 35° Clear 3% 8 mph S 42%
7 PM 33° Clear 3% 7 mph SSE 49%
8 PM 32° Mostly Clear 3% 7 mph SSE 56%
9 PM 30° Mostly Clear 3% 8 mph SE 62%
10 PM 29° Mostly Clear 3% 8 mph SSE 68%
11 PM 29° Mostly Clear 3% 8 mph SSE 74%
12 AM 28° Mostly Clear 3% 7 mph S 79%
1 AM 27° Mostly Clear 3% 6 mph S 81%
2 AM 27° Clear 3% 6 mph S 83%
3 AM 27° Clear 3% 6 mph SSW 85%
4 AM 27° Clear 3% 5 mph SSW 87%
5 AM 23° Clear 3% 5 mph SSW 89%
6 AM 23° Clear 3% 5 mph SSW 90%
7 AM 24° Clear 3% 5 mph SSW 86%
8 AM 26° Mostly Clear 3% 6 mph SSW 78%
9 AM 27° Mostly Clear 3% 7 mph SW 73%
10 AM 29° Mostly Clear 3% 7 mph SSW 68%
11 AM 30° Mostly Clear 3% 7 mph SSW 63%
12 PM 31° Mostly Clear 3% 7 mph SSW 57%
1 PM 32° Mostly Clear 3% 7 mph SSW 55%
2 PM 33° Mostly Clear 3% 8 mph S 53%
15-Day Forecast
Today
9/13
Mostly Clear
3%
23°
36°
Mon
9/14
Mostly Clear
3%
23°
37°
Tue
9/15
Mostly Clear
3%
22°
37°
Wed
9/16
Clear
8%
22°
37°
Thu
9/17
Clear
19%
22°
36°
Fri
9/18
Clear
18%
22°
37°
Sat
9/19
Clear
9%
22°
37°
Sun
9/20
Clear
60%
22°
35°
Mon
9/21
Drizzle
60%
19°
34°
Tue
9/22
Drizzle
60%
16°
33°
Wed
9/23
Drizzle
60%
17°
32°
Thu
9/24
Clear
60%
20°
32°
Fri
9/25
Clear
25%
19°
32°
Sat
9/26
Clear
25%
19°
32°
Sun
9/27
Drizzle
60%
19°
32°
33
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
33 AQI 6.0 µg/m³
O3
Ground-level ozone
27 AQI 29 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 33 Good 27 33
Tue 29 Good 29 28
Wed 28 Good 26 28
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 dim. sept. 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
SBCAPE2626 J/kg
MLCAPE1304 J/kg
MUCAPE2626 J/kg
SBCIN0 J/kg
MLCIN-11 J/kg
Lifted Index-5.2
Kinematics
0–6 km Shear10 kt
0–1 km Shear1 kt
Eff. Shear13 kt
0–1 km SRH2
0–3 km SRH18
Eff. SRH18
Storm Motion114° @ 15 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.6
Thermo & Levels
PWAT1.87 in
0–3 km LR8.4 °C/km
700–500 LR5.6 °C/km
Total Totals46.0
LCL814 hPa
LFC996 hPa
EL143 hPa
Freezing Lvl16,247 ft