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

Harrison County, Texas, United States

Last updated: 11:42 AM CDT  ·  Refresh
92°F
Feels like 98°
Clear
▲ 102°  /  ▼ 73°
Wind
2 mph WNW
Humidity
49%
Dew Point
74°
Pressure
29.57 inHg
Visibility
10 mi
UV Index
8.7
Cloud Cover
7%
Sunrise
6:56 AM
Sunset
7:34 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Harrison County is currently clear at 92°F. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1959 J/kg) — isolated convective development possible. Sunrise: 6:56AM · Sunset: 7:34PM.

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
51 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
92°
35%
12 PM
94°
31%
1 PM
97°
21%
2 PM
98°
23%
3 PM
98°
38%
4 PM
98°
39%
5 PM
96°
22%
6 PM
95°
20%
7 PM
92°
20%
8 PM
89°
20%
9 PM
85°
21%
10 PM
83°
13%
11 PM
82°
13%
12 AM
81°
8%
1 AM
80°
8%
2 AM
79°
11%
3 AM
78°
18%
4 AM
78°
18%
5 AM
73°
11%
6 AM
73°
7%
7 AM
76°
23%
8 AM
79°
24%
9 AM
89°
24%
10 AM
91°
32%
7-Day Forecast
Today
102° 73°
Mostly Clear with a 35% chance of rain.
Tue
105° 73°
Mostly Clear with a 36% chance of rain.
Wed
102° 70°
Partly Cloudy with a 22% chance of rain.
Thu
96° 70°
Partly Cloudy with a 51% chance of rain.
Fri
100° 66°
Rain, 30% chance.
Sat
101° 66°
Drizzle, 52% chance.
Sun
101° 68°
Clear with a 30% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 92° Clear 35% 2 mph WNW 49%
12 PM 94° Mostly Clear 31% 2 mph ESE 42%
1 PM 97° Mostly Clear 21% 3 mph ESE 40%
2 PM 98° Mostly Clear 23% 3 mph ESE 39%
3 PM 98° Mostly Clear 38% 4 mph ESE 39%
4 PM 98° Mostly Clear 39% 4 mph ESE 39%
5 PM 96° Clear 22% 4 mph ESE 39%
6 PM 95° Mostly Clear 20% 4 mph SE 40%
7 PM 92° Mostly Clear 20% 4 mph S 44%
8 PM 89° Mostly Clear 20% 3 mph SSW 50%
9 PM 85° Mostly Clear 21% 3 mph SSW 56%
10 PM 83° Mostly Clear 13% 3 mph SW 60%
11 PM 82° Mostly Clear 13% 3 mph SSW 64%
12 AM 81° Mostly Clear 8% 3 mph S 67%
1 AM 80° Clear 8% 3 mph S 69%
2 AM 79° Clear 11% 2 mph S 71%
3 AM 78° Clear 18% 2 mph S 73%
4 AM 78° Clear 18% 2 mph SSW 75%
5 AM 73° Clear 11% 2 mph SSW 77%
6 AM 73° Clear 7% 2 mph SW 79%
7 AM 76° Clear 23% 2 mph SW 75%
8 AM 79° Clear 24% 2 mph SSW 68%
9 AM 89° Clear 24% 2 mph SSW 61%
10 AM 91° Clear 32% 3 mph SSW 56%
15-Day Forecast
Today
9/7
Mostly Clear
35%
73°
102°
Tue
9/8
Mostly Clear
36%
73°
105°
Wed
9/9
Partly Cloudy
22%
70°
102°
Thu
9/10
Partly Cloudy
51%
70°
96°
Fri
9/11
Rain
30%
66°
100°
Sat
9/12
Drizzle
52%
66°
101°
Sun
9/13
Clear
30%
68°
101°
Mon
9/14
Clear
18%
68°
98°
Tue
9/15
Rain
68%
69°
99°
Wed
9/16
Drizzle
51%
62°
95°
Thu
9/17
Clear
60%
63°
96°
Fri
9/18
Drizzle
60%
71°
94°
Sat
9/19
Drizzle
60%
70°
94°
Sun
9/20
Clear
60%
69°
93°
Mon
9/21
Drizzle
60%
69°
93°
51
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
51 AQI 9.1 µg/m³
O3
Ground-level ozone
49 AQI 54 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 51 Moderate 49 51
Wed 54 Moderate 47 54
Thu 51 Moderate 47 51
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
SBCAPE2714 J/kg
MLCAPE3351 J/kg
MUCAPE5330 J/kg
SBCIN-115 J/kg
MLCIN-31 J/kg
Lifted Index-5.7
Kinematics
0–6 km Shear4 kt
0–1 km Shear3 kt
Eff. Shear12 kt
0–1 km SRH7
0–3 km SRH17
Eff. SRH17
Storm Motion113° @ 18 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index39.6
Thermo & Levels
PWAT2.20 in
0–3 km LR7.4 °C/km
700–500 LR5.6 °C/km
Total Totals49.4
LCL863 hPa
LFC803 hPa
EL145 hPa
Freezing Lvl16,089 ft