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 8:00 PM

Harrison County, Texas, United States

Last updated: 7:06 PM CDT  ·  Refresh
36°C
Feels like 38°
Clear
▲ 37°  /  ▼ 23°
Wind
8 mph S
Humidity
36%
Dew Point
19°
Pressure
29.46 inHg
Visibility
10 mi
UV Index
2.9
Cloud Cover
7%
Sunrise
6:39 AM
Sunset
8:05 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Harrison County is currently clear at 36°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1967 J/kg) — isolated convective development possible. Sunrise: 6:39AM · Sunset: 8:05PM.

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 8:00 PM
41 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
36°
3%
8 PM
36°
3%
9 PM
34°
3%
10 PM
31°
3%
11 PM
31°
3%
12 AM
29°
3%
1 AM
28°
3%
2 AM
28°
3%
3 AM
27°
3%
4 AM
27°
3%
5 AM
26°
3%
6 AM
24°
3%
7 AM
23°
3%
8 AM
25°
3%
9 AM
27°
3%
10 AM
28°
3%
11 AM
30°
3%
12 PM
31°
3%
1 PM
33°
3%
2 PM
36°
3%
3 PM
37°
3%
4 PM
37°
3%
5 PM
38°
3%
6 PM
37°
3%
7-Day Forecast
Tonight
37° 23°
Clear.
Thu
39° 23°
Clear.
Fri
39° 22°
Mostly Clear.
Sat
40° 23°
Clear.
Sun
43° 25°
Clear.
Mon
40° 27°
Clear.
Tue
40° 24°
Partly Cloudy with a 34% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 36° Clear 3% 8 mph S 36%
8 PM 36° Clear 3% 7 mph S 38%
9 PM 34° Clear 3% 7 mph S 44%
10 PM 31° Clear 3% 8 mph S 48%
11 PM 31° Clear 3% 9 mph S 55%
12 AM 29° Clear 3% 10 mph S 62%
1 AM 28° Clear 3% 10 mph SSW 68%
2 AM 28° Clear 3% 10 mph SSW 72%
3 AM 27° Clear 3% 9 mph SSW 76%
4 AM 27° Clear 3% 9 mph SSW 80%
5 AM 26° Clear 3% 8 mph SSW 83%
6 AM 24° Clear 3% 8 mph SSW 85%
7 AM 23° Clear 3% 9 mph SSW 87%
8 AM 25° Clear 3% 10 mph SSW 77%
9 AM 27° Clear 3% 11 mph SW 68%
10 AM 28° Clear 3% 12 mph SW 59%
11 AM 30° Clear 3% 11 mph SW 51%
12 PM 31° Clear 3% 11 mph SW 43%
1 PM 33° Clear 3% 10 mph SW 36%
2 PM 36° Clear 3% 10 mph SSW 34%
3 PM 37° Clear 3% 10 mph SSW 32%
4 PM 37° Clear 3% 10 mph SSW 30%
5 PM 38° Clear 3% 9 mph SSW 31%
6 PM 37° Clear 3% 9 mph SSW 32%
15-Day Forecast
Today
8/12
Clear
3%
23°
37°
Thu
8/13
Clear
3%
23°
39°
Fri
8/14
Mostly Clear
3%
22°
39°
Sat
8/15
Clear
3%
23°
40°
Sun
8/16
Clear
10%
25°
43°
Mon
8/17
Clear
7%
27°
40°
Tue
8/18
Partly Cloudy
34%
24°
40°
Wed
8/19
Mostly Clear
13%
26°
41°
Thu
8/20
Mostly Clear
35%
22°
42°
Fri
8/21
Partly Cloudy
22%
22°
42°
Sat
8/22
Drizzle
60%
23°
42°
Sun
8/23
Drizzle
60%
25°
39°
Mon
8/24
Drizzle
60%
24°
39°
Tue
8/25
Drizzle
60%
24°
38°
Wed
8/26
Drizzle
60%
23°
37°
41
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
41 AQI 7.4 µg/m³
O3
Ground-level ozone
31 AQI 35 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 41 Good 31 41
Fri 54 Moderate 34 54
Sat 63 Moderate 36 63
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 Wed Aug 12, 22:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1110 J/kg
MLCAPE1085 J/kg
MUCAPE1173 J/kg
SBCIN0 J/kg
MLCIN-1 J/kg
Lifted Index-2.4
Kinematics
0–6 km Shear8 kt
0–1 km Shear5 kt
Eff. Shear6 kt
0–1 km SRH4
0–3 km SRH40
Eff. SRH40
Storm Motion58° @ 6 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index27.6
Thermo & Levels
PWAT1.72 in
0–3 km LR8.2 °C/km
700–500 LR5.9 °C/km
Total Totals47.5
LCL774 hPa
LFC998 hPa
EL181 hPa
Freezing Lvl16,175 ft