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: 1:00 PM CDT  ·  Refresh
36°C
Feels like 39°
Clear
▲ 38°  /  ▼ 23°
Wind
2 mph ENE
Humidity
42%
Dew Point
22°
Pressure
29.72 inHg
Visibility
10 mi
UV Index
9.2
Cloud Cover
0%
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 36°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1958 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
36°
3%
2 PM
38°
10%
3 PM
38°
10%
4 PM
38°
10%
5 PM
38°
13%
6 PM
37°
13%
7 PM
36°
13%
8 PM
34°
13%
9 PM
33°
13%
10 PM
31°
10%
11 PM
30°
5%
12 AM
29°
5%
1 AM
29°
5%
2 AM
27°
5%
3 AM
27°
5%
4 AM
26°
5%
5 AM
26°
5%
6 AM
23°
5%
7 AM
23°
5%
8 AM
24°
12%
9 AM
26°
12%
10 AM
30°
21%
11 AM
31°
21%
12 PM
33°
24%
7-Day Forecast
Today
38° 23°
Clear.
Tue
39° 23°
Clear with a 25% chance of rain.
Wed
38° 23°
Mostly Clear.
Thu
36° 24°
Mostly Cloudy with a 28% chance of rain.
Fri
37° 20°
Clear.
Sat
38° 21°
Clear.
Sun
38° 21°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 36° Clear 3% 2 mph ENE 42%
2 PM 38° Clear 10% 4 mph ENE 38%
3 PM 38° Clear 10% 4 mph E 36%
4 PM 38° Clear 10% 4 mph E 34%
5 PM 38° Clear 13% 4 mph E 38%
6 PM 37° Clear 13% 5 mph E 41%
7 PM 36° Clear 13% 5 mph ESE 44%
8 PM 34° Partly Cloudy 13% 4 mph ESE 47%
9 PM 33° Partly Cloudy 13% 4 mph ESE 50%
10 PM 31° Clear 10% 4 mph ESE 53%
11 PM 30° Mostly Clear 5% 3 mph SE 57%
12 AM 29° Mostly Clear 5% 4 mph SE 60%
1 AM 29° Mostly Clear 5% 4 mph SE 63%
2 AM 27° Mostly Clear 5% 4 mph SE 67%
3 AM 27° Clear 5% 3 mph SE 71%
4 AM 26° Clear 5% 3 mph ESE 75%
5 AM 26° Clear 5% 3 mph ESE 78%
6 AM 23° Clear 5% 2 mph E 81%
7 AM 23° Clear 5% 2 mph E 83%
8 AM 24° Clear 12% 2 mph ESE 78%
9 AM 26° Clear 12% 3 mph ESE 72%
10 AM 30° Clear 21% 3 mph SE 67%
11 AM 31° Clear 21% 3 mph SE 62%
12 PM 33° Clear 24% 4 mph SSE 58%
15-Day Forecast
Today
9/7
Clear
13%
23°
38°
Tue
9/8
Clear
25%
23°
39°
Wed
9/9
Mostly Clear
14%
23°
38°
Thu
9/10
Mostly Cloudy
28%
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
Drizzle
60%
21°
38°
Tue
9/15
Drizzle
60%
23°
37°
Wed
9/16
Drizzle
60%
19°
37°
Thu
9/17
Drizzle
60%
17°
37°
Fri
9/18
Drizzle
60%
21°
35°
Sat
9/19
Drizzle
60%
20°
34°
Sun
9/20
Drizzle
60%
19°
35°
Mon
9/21
Drizzle
60%
19°
34°
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, 16:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2671 J/kg
MLCAPE1857 J/kg
MUCAPE2671 J/kg
SBCIN-7 J/kg
MLCIN-53 J/kg
Lifted Index-5.8
Kinematics
0–6 km Shear8 kt
0–1 km Shear3 kt
Eff. Shear6 kt
0–1 km SRH3
0–3 km SRH1
Eff. SRH1
Storm Motion71° @ 20 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index34.4
Thermo & Levels
PWAT2.08 in
0–3 km LR8.3 °C/km
700–500 LR5.5 °C/km
Total Totals46.1
LCL831 hPa
LFC803 hPa
EL148 hPa
Freezing Lvl15,397 ft