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

Union Parish, Louisiana, United States

Last updated: 2:42 PM CDT  ·  Refresh
37°C
Feels like 41°
Clear
▲ 38°  /  ▼ 23°
Wind
2 mph ENE
Humidity
38%
Dew Point
22°
Pressure
29.70 inHg
Visibility
10 mi
UV Index
8.7
Cloud Cover
1%
Sunrise
6:48 AM
Sunset
7:26 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Union Parish is currently clear at 37°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1885 J/kg) — isolated convective development possible. Sunrise: 6:48AM · 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
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
46 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
37°
5%
3 PM
38°
10%
4 PM
38°
13%
5 PM
38°
13%
6 PM
36°
22%
7 PM
34°
27%
8 PM
33°
26%
9 PM
31°
13%
10 PM
30°
5%
11 PM
29°
5%
12 AM
29°
5%
1 AM
28°
5%
2 AM
27°
5%
3 AM
26°
5%
4 AM
26°
5%
5 AM
23°
5%
6 AM
23°
5%
7 AM
24°
12%
8 AM
26°
12%
9 AM
31°
23%
10 AM
32°
21%
11 AM
33°
21%
12 PM
33°
21%
1 PM
35°
22%
7-Day Forecast
Today
38° 23°
Clear with a 26% chance of rain.
Tue
39° 23°
Clear with a 28% chance of rain.
Wed
38° 23°
Clear.
Thu
36° 24°
Mostly Cloudy with a 29% chance of rain.
Fri
37° 20°
Clear.
Sat
38° 21°
Clear.
Sun
38° 21°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 37° Clear 5% 2 mph ENE 38%
3 PM 38° Clear 10% 3 mph ENE 34%
4 PM 38° Clear 13% 4 mph E 36%
5 PM 38° Clear 13% 4 mph E 40%
6 PM 36° Clear 22% 4 mph ESE 44%
7 PM 34° Clear 27% 4 mph SE 49%
8 PM 33° Clear 26% 4 mph SE 54%
9 PM 31° Clear 13% 3 mph SE 57%
10 PM 30° Mostly Clear 5% 2 mph ESE 59%
11 PM 29° Mostly Clear 5% 3 mph ESE 61%
12 AM 29° Mostly Clear 5% 4 mph ESE 64%
1 AM 28° Mostly Clear 5% 4 mph SE 67%
2 AM 27° Mostly Clear 5% 3 mph SSE 71%
3 AM 26° Clear 5% 3 mph S 76%
4 AM 26° Clear 5% 3 mph S 80%
5 AM 23° Clear 5% 3 mph ESE 82%
6 AM 23° Clear 5% 2 mph ESE 84%
7 AM 24° Clear 12% 2 mph SE 80%
8 AM 26° Clear 12% 2 mph SE 72%
9 AM 31° Clear 23% 3 mph SE 64%
10 AM 32° Clear 21% 3 mph SSE 59%
11 AM 33° Clear 21% 4 mph SSE 55%
12 PM 33° Clear 21% 4 mph SSE 50%
1 PM 35° Clear 22% 4 mph SSE 48%
15-Day Forecast
Today
9/7
Clear
26%
23°
38°
Tue
9/8
Clear
28%
23°
39°
Wed
9/9
Clear
14%
23°
38°
Thu
9/10
Mostly Cloudy
29%
24°
36°
Fri
9/11
Clear
19%
20°
37°
Sat
9/12
Clear
19%
21°
38°
Sun
9/13
Clear
19%
21°
38°
Mon
9/14
Clear
60%
21°
38°
Tue
9/15
Drizzle
60%
22°
38°
Wed
9/16
Drizzle
60%
19°
37°
Thu
9/17
Drizzle
60%
17°
34°
Fri
9/18
Drizzle
60%
19°
34°
Sat
9/19
Clear
60%
18°
33°
Sun
9/20
Clear
60%
17°
32°
Mon
9/21
Drizzle
60%
17°
33°
46
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
46 AQI 8.2 µg/m³
O3
Ground-level ozone
44 AQI 48 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 46 Good 44 46
Wed 51 Moderate 41 51
Thu 52 Moderate 44 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
SBCAPE2730 J/kg
MLCAPE1616 J/kg
MUCAPE2730 J/kg
SBCIN-0 J/kg
MLCIN-12 J/kg
Lifted Index-6.0
Kinematics
0–6 km Shear8 kt
0–1 km Shear2 kt
Eff. Shear9 kt
0–1 km SRH-4
0–3 km SRH-7
Eff. SRH-7
Storm Motion62° @ 20 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.6
Thermo & Levels
PWAT2.04 in
0–3 km LR8.8 °C/km
700–500 LR5.6 °C/km
Total Totals48.1
LCL805 hPa
LFC1006 hPa
EL149 hPa
Freezing Lvl15,722 ft