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

Shelby County, Texas, United States

Last updated: 5:00 PM CDT  ·  Refresh
35°C
Feels like 37°
Clear
▲ 36°  /  ▼ 23°
Wind
7 mph SSW
Humidity
41%
Dew Point
21°
Pressure
29.65 inHg
Visibility
10 mi
UV Index
6.2
Cloud Cover
9%
Sunrise
6:59 AM
Sunset
7:24 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Shelby County is currently clear at 35°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2129 J/kg) — isolated convective development possible. Sunrise: 6:59AM · Sunset: 7:24PM.

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
28 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
35°
8%
6 PM
36°
21%
7 PM
34°
21%
8 PM
32°
32%
9 PM
31°
24%
10 PM
29°
21%
11 PM
28°
18%
12 AM
27°
18%
1 AM
26°
3%
2 AM
26°
3%
3 AM
26°
3%
4 AM
25°
3%
5 AM
25°
5%
6 AM
23°
5%
7 AM
23°
5%
8 AM
25°
5%
9 AM
27°
11%
10 AM
28°
9%
11 AM
29°
9%
12 PM
32°
9%
1 PM
33°
9%
2 PM
35°
11%
3 PM
35°
15%
4 PM
36°
16%
7-Day Forecast
Today
36° 23°
Clear with a 32% chance of rain.
Mon
39° 23°
Mostly Clear.
Tue
39° 22°
Clear.
Wed
37° 23°
Mostly Clear.
Thu
37° 22°
Clear.
Fri
38° 21°
Clear.
Sat
38° 22°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 35° Clear 8% 7 mph SSW 41%
6 PM 36° Mostly Clear 21% 8 mph SSW 44%
7 PM 34° Clear 21% 7 mph SSW 50%
8 PM 32° Mostly Clear 32% 5 mph SSW 58%
9 PM 31° Mostly Clear 24% 6 mph S 65%
10 PM 29° Partly Cloudy 21% 7 mph SSE 72%
11 PM 28° Partly Cloudy 18% 6 mph S 75%
12 AM 27° Mostly Clear 18% 5 mph S 78%
1 AM 26° Mostly Clear 3% 5 mph SSW 81%
2 AM 26° Mostly Clear 3% 4 mph SSW 84%
3 AM 26° Mostly Clear 3% 4 mph SSW 87%
4 AM 25° Mostly Clear 3% 4 mph SSW 90%
5 AM 25° Mostly Clear 5% 4 mph SSW 89%
6 AM 23° Mostly Clear 5% 4 mph SW 88%
7 AM 23° Mostly Clear 5% 4 mph SW 87%
8 AM 25° Mostly Clear 5% 4 mph SW 81%
9 AM 27° Mostly Clear 11% 5 mph SW 73%
10 AM 28° Clear 9% 5 mph SW 67%
11 AM 29° Mostly Clear 9% 5 mph SW 63%
12 PM 32° Mostly Clear 9% 5 mph SW 59%
1 PM 33° Mostly Clear 9% 5 mph SSW 54%
2 PM 35° Mostly Clear 11% 5 mph SSW 54%
3 PM 35° Mostly Clear 15% 6 mph SSW 53%
4 PM 36° Mostly Clear 16% 6 mph S 52%
15-Day Forecast
Today
9/13
Clear
32%
23°
36°
Mon
9/14
Mostly Clear
18%
23°
39°
Tue
9/15
Clear
7%
22°
39°
Wed
9/16
Mostly Clear
14%
23°
37°
Thu
9/17
Clear
6%
22°
37°
Fri
9/18
Clear
8%
21°
38°
Sat
9/19
Clear
17%
22°
38°
Sun
9/20
Mostly Clear
49%
21°
36°
Mon
9/21
Drizzle
60%
21°
36°
Tue
9/22
Drizzle
67%
21°
35°
Wed
9/23
Drizzle
60%
19°
34°
Thu
9/24
Clear
25%
20°
34°
Fri
9/25
Drizzle
60%
19°
33°
Sat
9/26
Drizzle
60%
19°
33°
Sun
9/27
Clear
60%
19°
33°
28
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
26 AQI 4.7 µg/m³
O3
Ground-level ozone
Dominant
28 AQI 31 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 28 Good 28 26
Tue 29 Good 29 22
Wed 28 Good 28 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, 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
SBCAPE1971 J/kg
MLCAPE721 J/kg
MUCAPE1971 J/kg
SBCIN-25 J/kg
MLCIN-165 J/kg
Lifted Index-4.8
Kinematics
0–6 km Shear11 kt
0–1 km Shear2 kt
Eff. Shear10 kt
0–1 km SRH-12
0–3 km SRH21
Eff. SRH21
Storm Motion114° @ 18 kt
0–1 km EHI-0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index28.6
Thermo & Levels
PWAT1.61 in
0–3 km LR8.1 °C/km
700–500 LR5.6 °C/km
Total Totals44.3
LCL823 hPa
LFC773 hPa
EL159 hPa
Freezing Lvl16,519 ft