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: 3:49 PM CDT  ·  Refresh
98°F
Feels like 103°
Mostly Clear
▲ 99°  /  ▼ 71°
Wind
6 mph S
Humidity
37%
Dew Point
69°
Pressure
29.56 inHg
Visibility
10 mi
UV Index
7.7
Cloud Cover
20%
Sunrise
6:59 AM
Sunset
7:26 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Harrison County is currently mostly clear at 98°F. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1847 J/kg) — isolated convective development possible. Sunrise: 6:59AM · Sunset: 7:26PM.

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
37 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
98°
3%
4 PM
97°
8%
5 PM
99°
12%
6 PM
96°
12%
7 PM
93°
12%
8 PM
89°
12%
9 PM
85°
12%
10 PM
83°
8%
11 PM
82°
3%
12 AM
80°
3%
1 AM
79°
3%
2 AM
78°
3%
3 AM
77°
3%
4 AM
76°
3%
5 AM
72°
3%
6 AM
71°
3%
7 AM
74°
3%
8 AM
77°
3%
9 AM
81°
3%
10 AM
87°
3%
11 AM
88°
3%
12 PM
90°
3%
1 PM
93°
3%
2 PM
93°
3%
7-Day Forecast
Today
99° 71°
Mostly Clear.
Mon
102° 71°
Mostly Clear.
Tue
102° 72°
Clear.
Wed
99° 73°
Partly Cloudy.
Thu
100° 71°
Clear.
Fri
102° 70°
Clear.
Sat
102° 71°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 98° Mostly Clear 3% 6 mph S 37%
4 PM 97° Partly Cloudy 8% 6 mph SSW 37%
5 PM 99° Partly Cloudy 12% 6 mph S 39%
6 PM 96° Partly Cloudy 12% 7 mph S 42%
7 PM 93° Partly Cloudy 12% 7 mph S 47%
8 PM 89° Partly Cloudy 12% 7 mph S 52%
9 PM 85° Mostly Clear 12% 8 mph SSE 57%
10 PM 83° Mostly Clear 8% 7 mph S 62%
11 PM 82° Partly Cloudy 3% 6 mph S 67%
12 AM 80° Partly Cloudy 3% 6 mph SSW 72%
1 AM 79° Partly Cloudy 3% 5 mph SSW 75%
2 AM 78° Partly Cloudy 3% 5 mph SSW 78%
3 AM 77° Partly Cloudy 3% 5 mph SSW 81%
4 AM 76° Mostly Clear 3% 4 mph SSW 83%
5 AM 72° Mostly Clear 3% 4 mph SSW 85%
6 AM 71° Clear 3% 4 mph SSW 87%
7 AM 74° Clear 3% 4 mph SW 82%
8 AM 77° Clear 3% 5 mph SW 73%
9 AM 81° Clear 3% 5 mph SW 66%
10 AM 87° Clear 3% 5 mph SW 62%
11 AM 88° Mostly Clear 3% 5 mph SW 57%
12 PM 90° Mostly Clear 3% 5 mph SSW 53%
1 PM 93° Mostly Clear 3% 5 mph SSW 52%
2 PM 93° Mostly Clear 3% 5 mph SSW 51%
15-Day Forecast
Today
9/13
Mostly Clear
12%
71°
99°
Mon
9/14
Mostly Clear
3%
71°
102°
Tue
9/15
Clear
16%
72°
102°
Wed
9/16
Partly Cloudy
16%
73°
99°
Thu
9/17
Clear
9%
71°
100°
Fri
9/18
Clear
9%
70°
102°
Sat
9/19
Clear
9%
71°
102°
Sun
9/20
Clear
60%
69°
97°
Mon
9/21
Drizzle
60%
65°
96°
Tue
9/22
Drizzle
60%
60°
94°
Wed
9/23
Drizzle
60%
60°
92°
Thu
9/24
Clear
25%
68°
92°
Fri
9/25
Clear
25%
68°
92°
Sat
9/26
Clear
60%
67°
91°
Sun
9/27
Clear
60%
67°
92°
37
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
37 AQI 41 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 37 Good 37 37
Tue 37 Good 37 30
Wed 35 Good 35 30
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
SBCAPE2335 J/kg
MLCAPE1226 J/kg
MUCAPE2335 J/kg
SBCIN0 J/kg
MLCIN-4 J/kg
Lifted Index-5.0
Kinematics
0–6 km Shear10 kt
0–1 km Shear0 kt
Eff. Shear10 kt
0–1 km SRH0
0–3 km SRH13
Eff. SRH13
Storm Motion106° @ 14 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.8
Thermo & Levels
PWAT1.89 in
0–3 km LR8.9 °C/km
700–500 LR5.5 °C/km
Total Totals48.0
LCL793 hPa
LFC1001 hPa
EL148 hPa
Freezing Lvl16,214 ft