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: 11:46 AM CDT  ·  Refresh
33°C
Feels like 38°
Mostly Clear
▲ 40°  /  ▼ 23°
Wind
3 mph W
Humidity
54%
Dew Point
24°
Pressure
29.64 inHg
Visibility
10 mi
UV Index
8.8
Cloud Cover
11%
Sunrise
6:55 AM
Sunset
7:32 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Shelby County is currently mostly clear at 33°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2392 J/kg) — isolated convective development possible. Sunrise: 6:55AM · Sunset: 7:32PM.

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
40 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
12%
12 PM
34°
31%
1 PM
37°
32%
2 PM
37°
35%
3 PM
37°
38%
4 PM
36°
39%
5 PM
33°
24%
6 PM
32°
20%
7 PM
31°
17%
8 PM
30°
20%
9 PM
28°
21%
10 PM
28°
25%
11 PM
27°
17%
12 AM
27°
17%
1 AM
26°
17%
2 AM
26°
12%
3 AM
26°
13%
4 AM
25°
13%
5 AM
23°
9%
6 AM
23°
5%
7 AM
24°
21%
8 AM
26°
21%
9 AM
28°
31%
10 AM
29°
31%
7-Day Forecast
Today
40° 23°
Mostly Clear with a 35% chance of rain.
Tue
38° 23°
Mostly Clear with a 54% chance of rain.
Wed
38° 21°
Partly Cloudy.
Thu
34° 22°
Partly Cloudy with a 30% chance of rain.
Fri
37° 20°
Rain, 30% chance.
Sat
38° 21°
Rain, 29% chance.
Sun
37° 21°
Rain, 28% chance.
TimeTempConditionsPrecipWindHumidity
Now 33° Mostly Clear 12% 3 mph W 54%
12 PM 34° Mostly Clear 31% 4 mph WSW 47%
1 PM 37° Partly Cloudy 32% 4 mph WSW 45%
2 PM 37° Partly Cloudy 35% 4 mph SW 45%
3 PM 37° Partly Cloudy 38% 4 mph SSW 44%
4 PM 36° Mostly Clear 39% 4 mph SSW 48%
5 PM 33° Mostly Clear 24% 4 mph SSW 53%
6 PM 32° Clear 20% 4 mph SSW 59%
7 PM 31° Clear 17% 3 mph SSW 63%
8 PM 30° Clear 20% 4 mph SSW 67%
9 PM 28° Clear 21% 4 mph SSW 69%
10 PM 28° Clear 25% 4 mph SSW 73%
11 PM 27° Clear 17% 3 mph SSW 77%
12 AM 27° Clear 17% 3 mph SSW 81%
1 AM 26° Clear 17% 3 mph S 84%
2 AM 26° Clear 12% 3 mph SSW 86%
3 AM 26° Clear 13% 4 mph SSW 88%
4 AM 25° Mostly Clear 13% 3 mph SSW 90%
5 AM 23° Mostly Clear 9% 2 mph SSW 90%
6 AM 23° Mostly Clear 5% 2 mph SSW 91%
7 AM 24° Mostly Clear 21% 2 mph SSW 85%
8 AM 26° Mostly Clear 21% 2 mph S 77%
9 AM 28° Mostly Clear 31% 2 mph S 69%
10 AM 29° Mostly Clear 31% 3 mph SSE 63%
15-Day Forecast
Today
9/7
Mostly Clear
35%
23°
40°
Tue
9/8
Mostly Clear
54%
23°
38°
Wed
9/9
Partly Cloudy
7%
21°
38°
Thu
9/10
Partly Cloudy
30%
22°
34°
Fri
9/11
Rain
30%
20°
37°
Sat
9/12
Rain
29%
21°
38°
Sun
9/13
Rain
28%
21°
37°
Mon
9/14
Rain
44%
21°
37°
Tue
9/15
Rain
44%
21°
37°
Wed
9/16
Drizzle
68%
18°
36°
Thu
9/17
Drizzle
60%
19°
36°
Fri
9/18
Drizzle
60%
21°
35°
Sat
9/19
Drizzle
60%
21°
34°
Sun
9/20
Clear
60%
21°
34°
Mon
9/21
Drizzle
60%
20°
34°
40
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
37 AQI 6.6 µg/m³
O3
Ground-level ozone
Dominant
40 AQI 44 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 40 Good 40 37
Wed 44 Good 34 44
Thu 44 Good 37 44
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 Mon Sep 7, 15:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3154 J/kg
MLCAPE3125 J/kg
MUCAPE4029 J/kg
SBCIN-30 J/kg
MLCIN-36 J/kg
Lifted Index-6.3
Kinematics
0–6 km Shear6 kt
0–1 km Shear6 kt
Eff. Shear15 kt
0–1 km SRH21
0–3 km SRH31
Eff. SRH31
Storm Motion123° @ 16 kt
0–1 km EHI0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index37.9
Thermo & Levels
PWAT2.17 in
0–3 km LR7.4 °C/km
700–500 LR5.5 °C/km
Total Totals46.7
LCL876 hPa
LFC786 hPa
EL135 hPa
Freezing Lvl16,171 ft