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 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: 2:42 PM CDT  ·  Refresh
98°F
Feels like 104°
Mostly Clear
▲ 100°  /  ▼ 72°
Wind
3 mph SE
Humidity
40%
Dew Point
71°
Pressure
29.52 inHg
Visibility
10 mi
UV Index
8.8
Cloud Cover
17%
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 mostly clear at 98°F. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2224 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
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
98°
32%
3 PM
96°
32%
4 PM
95°
18%
5 PM
95°
15%
6 PM
94°
13%
7 PM
90°
13%
8 PM
88°
13%
9 PM
84°
13%
10 PM
82°
13%
11 PM
81°
14%
12 AM
80°
8%
1 AM
80°
9%
2 AM
79°
9%
3 AM
78°
9%
4 AM
78°
9%
5 AM
73°
9%
6 AM
72°
5%
7 AM
74°
22%
8 AM
77°
23%
9 AM
88°
23%
10 AM
90°
21%
11 AM
91°
21%
12 PM
93°
21%
1 PM
95°
22%
7-Day Forecast
Today
100° 72°
Mostly Clear with a 32% chance of rain.
Tue
104° 72°
Mostly Clear with a 28% chance of rain.
Wed
101° 71°
Mostly Clear with a 33% chance of rain.
Thu
94° 73°
Mostly Cloudy with a 52% chance of rain.
Fri
98° 66°
Clear with a 53% chance of rain.
Sat
101° 66°
Clear with a 50% chance of rain.
Sun
100° 68°
Clear with a 35% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 98° Mostly Clear 32% 3 mph SE 40%
3 PM 96° Mostly Clear 32% 4 mph SSE 45%
4 PM 95° Mostly Clear 18% 4 mph S 46%
5 PM 95° Mostly Clear 15% 4 mph SSE 45%
6 PM 94° Clear 13% 4 mph SSE 45%
7 PM 90° Mostly Clear 13% 4 mph S 50%
8 PM 88° Mostly Clear 13% 3 mph SSW 56%
9 PM 84° Mostly Clear 13% 2 mph SSW 61%
10 PM 82° Mostly Clear 13% 2 mph SW 65%
11 PM 81° Mostly Clear 14% 2 mph S 68%
12 AM 80° Mostly Clear 8% 2 mph SSE 72%
1 AM 80° Clear 9% 2 mph SSE 73%
2 AM 79° Clear 9% 2 mph S 74%
3 AM 78° Clear 9% 3 mph S 75%
4 AM 78° Clear 9% 3 mph S 77%
5 AM 73° Clear 9% 3 mph S 79%
6 AM 72° Clear 5% 2 mph SSW 81%
7 AM 74° Clear 22% 2 mph SSW 78%
8 AM 77° Clear 23% 3 mph SW 69%
9 AM 88° Clear 23% 3 mph SW 60%
10 AM 90° Clear 21% 3 mph SSW 56%
11 AM 91° Mostly Clear 21% 4 mph SSW 52%
12 PM 93° Mostly Clear 21% 4 mph S 49%
1 PM 95° Mostly Clear 22% 5 mph S 47%
15-Day Forecast
Today
9/7
Mostly Clear
32%
72°
100°
Tue
9/8
Mostly Clear
28%
72°
104°
Wed
9/9
Mostly Clear
33%
71°
101°
Thu
9/10
Mostly Cloudy
52%
73°
94°
Fri
9/11
Clear
53%
66°
98°
Sat
9/12
Clear
50%
66°
101°
Sun
9/13
Clear
35%
68°
100°
Mon
9/14
Clear
60%
68°
100°
Tue
9/15
Drizzle
60%
68°
99°
Wed
9/16
Drizzle
60%
64°
98°
Thu
9/17
Drizzle
60%
61°
94°
Fri
9/18
Drizzle
60%
68°
92°
Sat
9/19
Drizzle
60%
67°
92°
Sun
9/20
Clear
60%
66°
90°
Mon
9/21
Drizzle
60%
65°
91°
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 53 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 51 Moderate 49 51
Wed 53 Moderate 42 53
Thu 52 Moderate 45 52
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, 18:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2523 J/kg
MLCAPE1968 J/kg
MUCAPE2523 J/kg
SBCIN-0 J/kg
MLCIN-14 J/kg
Lifted Index-5.1
Kinematics
0–6 km Shear5 kt
0–1 km Shear2 kt
Eff. Shear7 kt
0–1 km SRH3
0–3 km SRH-3
Eff. SRH-3
Storm Motion72° @ 20 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index39.2
Thermo & Levels
PWAT2.17 in
0–3 km LR8.6 °C/km
700–500 LR5.4 °C/km
Total Totals47.7
LCL807 hPa
LFC1000 hPa
EL154 hPa
Freezing Lvl16,250 ft