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: 5:03 PM CDT  ·  Refresh
35°C
Feels like 37°
Mostly Clear
▲ 37°  /  ▼ 24°
Wind
8 mph S
Humidity
38%
Dew Point
21°
Pressure
29.41 inHg
Visibility
10 mi
UV Index
6.2
Cloud Cover
11%
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 2070 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
35°
3%
6 PM
36°
3%
7 PM
35°
3%
8 PM
33°
3%
9 PM
32°
3%
10 PM
31°
3%
11 PM
29°
3%
12 AM
29°
3%
1 AM
28°
3%
2 AM
27°
3%
3 AM
27°
3%
4 AM
27°
3%
5 AM
27°
3%
6 AM
24°
3%
7 AM
24°
3%
8 AM
25°
3%
9 AM
26°
3%
10 AM
27°
3%
11 AM
28°
3%
12 PM
31°
3%
1 PM
32°
3%
2 PM
34°
3%
3 PM
34°
3%
4 PM
36°
3%
7-Day Forecast
Today
37° 24°
Mostly Clear.
Mon
38° 24°
Mostly Clear.
Tue
38° 22°
Clear.
Wed
36° 23°
Mostly Clear.
Thu
36° 23°
Clear.
Fri
36° 22°
Clear with a 25% chance of rain.
Sat
36° 22°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 35° Mostly Clear 3% 8 mph S 38%
6 PM 36° Mostly Clear 3% 9 mph S 40%
7 PM 35° Clear 3% 8 mph S 43%
8 PM 33° Clear 3% 7 mph SSE 49%
9 PM 32° Mostly Clear 3% 7 mph SSE 55%
10 PM 31° Mostly Clear 3% 8 mph SE 61%
11 PM 29° Mostly Clear 3% 8 mph SSE 67%
12 AM 29° Mostly Clear 3% 8 mph SSE 73%
1 AM 28° Mostly Clear 3% 7 mph S 78%
2 AM 27° Clear 3% 6 mph S 81%
3 AM 27° Clear 3% 6 mph S 84%
4 AM 27° Clear 3% 6 mph SSW 86%
5 AM 27° Clear 3% 6 mph SSW 86%
6 AM 24° Clear 3% 6 mph SSW 86%
7 AM 24° Clear 3% 5 mph SSW 86%
8 AM 25° Clear 3% 6 mph SSW 81%
9 AM 26° Clear 3% 7 mph SW 74%
10 AM 27° Clear 3% 7 mph SW 70%
11 AM 28° Clear 3% 7 mph SSW 64%
12 PM 31° Mostly Clear 3% 7 mph SSW 59%
1 PM 32° Mostly Clear 3% 7 mph SSW 54%
2 PM 34° Mostly Clear 3% 8 mph S 52%
3 PM 34° Mostly Clear 3% 8 mph S 50%
4 PM 36° Partly Cloudy 3% 9 mph S 48%
15-Day Forecast
Today
9/13
Mostly Clear
3%
24°
37°
Mon
9/14
Mostly Clear
3%
24°
38°
Tue
9/15
Clear
7%
22°
38°
Wed
9/16
Mostly Clear
17%
23°
36°
Thu
9/17
Clear
11%
23°
36°
Fri
9/18
Clear
25%
22°
36°
Sat
9/19
Clear
17%
22°
36°
Sun
9/20
Mostly Clear
60%
22°
35°
Mon
9/21
Drizzle
60%
21°
34°
Tue
9/22
Drizzle
67%
19°
33°
Wed
9/23
Drizzle
60%
19°
33°
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 Sun Sep 13, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2104 J/kg
MLCAPE234 J/kg
MUCAPE2104 J/kg
SBCIN-13 J/kg
MLCIN-191 J/kg
Lifted Index-4.7
Kinematics
0–6 km Shear11 kt
0–1 km Shear6 kt
Eff. Shear13 kt
0–1 km SRH-23
0–3 km SRH12
Eff. SRH12
Storm Motion107° @ 19 kt
0–1 km EHI-0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index30.2
Thermo & Levels
PWAT1.58 in
0–3 km LR8.2 °C/km
700–500 LR5.7 °C/km
Total Totals43.7
LCL813 hPa
LFC772 hPa
EL149 hPa
Freezing Lvl16,401 ft