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: 3:52 PM CDT  ·  Refresh
36°C
Feels like 38°
Mostly Clear
▲ 36°  /  ▼ 22°
Wind
7 mph SSW
Humidity
41%
Dew Point
21°
Pressure
29.65 inHg
Visibility
10 mi
UV Index
7.7
Cloud Cover
11%
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 mostly clear at 36°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2250 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
36°
6%
4 PM
36°
18%
5 PM
36°
18%
6 PM
34°
18%
7 PM
33°
29%
8 PM
31°
28%
9 PM
29°
20%
10 PM
28°
18%
11 PM
27°
18%
12 AM
27°
6%
1 AM
26°
3%
2 AM
26°
3%
3 AM
25°
3%
4 AM
25°
5%
5 AM
23°
5%
6 AM
22°
5%
7 AM
24°
5%
8 AM
26°
12%
9 AM
28°
12%
10 AM
30°
9%
11 AM
31°
10%
12 PM
32°
10%
1 PM
34°
10%
2 PM
34°
10%
7-Day Forecast
Today
36° 22°
Clear with a 20% chance of rain.
Mon
38° 22°
Mostly Clear.
Tue
38° 22°
Clear.
Wed
37° 23°
Partly Cloudy.
Thu
38° 22°
Clear.
Fri
39° 21°
Clear.
Sat
39° 22°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 36° Mostly Clear 6% 7 mph SSW 41%
4 PM 36° Mostly Clear 18% 8 mph SSW 41%
5 PM 36° Mostly Clear 18% 8 mph SSW 45%
6 PM 34° Clear 18% 7 mph SSW 50%
7 PM 33° Mostly Clear 29% 5 mph SSW 57%
8 PM 31° Mostly Clear 28% 5 mph S 64%
9 PM 29° Partly Cloudy 20% 6 mph SSE 70%
10 PM 28° Partly Cloudy 18% 6 mph S 74%
11 PM 27° Partly Cloudy 18% 5 mph S 76%
12 AM 27° Partly Cloudy 6% 5 mph SSW 79%
1 AM 26° Mostly Clear 3% 5 mph SSW 83%
2 AM 26° Mostly Clear 3% 4 mph SSW 85%
3 AM 25° Clear 3% 4 mph SSW 88%
4 AM 25° Clear 5% 4 mph SSW 90%
5 AM 23° Clear 5% 3 mph SSW 92%
6 AM 22° Clear 5% 3 mph SSW 93%
7 AM 24° Clear 5% 3 mph SW 87%
8 AM 26° Clear 12% 4 mph SW 78%
9 AM 28° Clear 12% 4 mph SW 71%
10 AM 30° Mostly Clear 9% 4 mph SW 66%
11 AM 31° Mostly Clear 10% 4 mph SW 61%
12 PM 32° Mostly Clear 10% 4 mph SSW 56%
1 PM 34° Mostly Clear 10% 5 mph SSW 55%
2 PM 34° Mostly Clear 10% 5 mph SSW 54%
15-Day Forecast
Today
9/13
Clear
20%
22°
36°
Mon
9/14
Mostly Clear
13%
22°
38°
Tue
9/15
Clear
8%
22°
38°
Wed
9/16
Partly Cloudy
8%
23°
37°
Thu
9/17
Clear
3%
22°
38°
Fri
9/18
Clear
9%
21°
39°
Sat
9/19
Clear
19%
22°
39°
Sun
9/20
Clear
60%
21°
36°
Mon
9/21
Drizzle
60%
19°
36°
Tue
9/22
Drizzle
60%
18°
34°
Wed
9/23
Drizzle
60%
17°
33°
Thu
9/24
Clear
60%
20°
33°
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, 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
SBCAPE2375 J/kg
MLCAPE1534 J/kg
MUCAPE2375 J/kg
SBCIN0 J/kg
MLCIN-9 J/kg
Lifted Index-4.7
Kinematics
0–6 km Shear10 kt
0–1 km Shear2 kt
Eff. Shear12 kt
0–1 km SRH-5
0–3 km SRH19
Eff. SRH19
Storm Motion97° @ 12 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index33.6
Thermo & Levels
PWAT1.87 in
0–3 km LR8.4 °C/km
700–500 LR5.4 °C/km
Total Totals45.5
LCL817 hPa
LFC1004 hPa
EL154 hPa
Freezing Lvl16,381 ft