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 8:00 PM

Union Parish, Louisiana, United States

Last updated: 7:06 PM CDT  ·  Refresh
34°C
Feels like 37°
Clear
▲ 37°  /  ▼ 24°
Wind
5 mph SSW
Humidity
44%
Dew Point
21°
Pressure
29.67 inHg
Visibility
10 mi
UV Index
2.6
Cloud Cover
5%
Sunrise
6:30 AM
Sunset
7:57 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Union Parish is currently clear at 34°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2063 J/kg) — isolated convective development possible. Sunrise: 6:30AM · Sunset: 7:57PM.

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 8:00 PM
26 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
34°
3%
8 PM
33°
3%
9 PM
32°
3%
10 PM
30°
3%
11 PM
29°
3%
12 AM
28°
3%
1 AM
28°
3%
2 AM
28°
3%
3 AM
27°
3%
4 AM
27°
3%
5 AM
26°
3%
6 AM
24°
3%
7 AM
24°
3%
8 AM
26°
3%
9 AM
28°
3%
10 AM
29°
3%
11 AM
31°
3%
12 PM
32°
3%
1 PM
33°
3%
2 PM
36°
3%
3 PM
37°
3%
4 PM
37°
3%
5 PM
37°
3%
6 PM
36°
3%
7-Day Forecast
Tonight
37° 24°
Clear.
Thu
38° 24°
Clear.
Fri
39° 23°
Clear.
Sat
39° 24°
Clear.
Sun
42° 26°
Clear.
Mon
41° 27°
Clear.
Tue
40° 24°
Partly Cloudy with a 31% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 34° Clear 3% 5 mph SSW 44%
8 PM 33° Clear 3% 5 mph SSW 48%
9 PM 32° Clear 3% 5 mph S 51%
10 PM 30° Clear 3% 6 mph S 55%
11 PM 29° Clear 3% 6 mph S 58%
12 AM 28° Mostly Clear 3% 6 mph SSW 60%
1 AM 28° Mostly Clear 3% 7 mph SSW 63%
2 AM 28° Mostly Clear 3% 8 mph SSW 68%
3 AM 27° Mostly Clear 3% 7 mph SSW 72%
4 AM 27° Mostly Clear 3% 7 mph SW 76%
5 AM 26° Clear 3% 7 mph SW 79%
6 AM 24° Clear 3% 6 mph SW 82%
7 AM 24° Clear 3% 6 mph SW 83%
8 AM 26° Clear 3% 8 mph SW 76%
9 AM 28° Clear 3% 9 mph SW 70%
10 AM 29° Clear 3% 9 mph SW 63%
11 AM 31° Clear 3% 9 mph SW 56%
12 PM 32° Clear 3% 8 mph SW 50%
1 PM 33° Clear 3% 8 mph SW 44%
2 PM 36° Clear 3% 8 mph SW 41%
3 PM 37° Clear 3% 8 mph SW 40%
4 PM 37° Clear 3% 7 mph SW 39%
5 PM 37° Clear 3% 6 mph SSW 40%
6 PM 36° Clear 3% 6 mph SSW 42%
15-Day Forecast
Today
8/12
Clear
3%
24°
37°
Thu
8/13
Clear
3%
24°
38°
Fri
8/14
Clear
3%
23°
39°
Sat
8/15
Clear
3%
24°
39°
Sun
8/16
Clear
7%
26°
42°
Mon
8/17
Clear
7%
27°
41°
Tue
8/18
Partly Cloudy
31%
24°
40°
Wed
8/19
Partly Cloudy
21%
26°
41°
Thu
8/20
Mostly Cloudy
46%
23°
41°
Fri
8/21
Mostly Cloudy
39%
23°
42°
Sat
8/22
Drizzle
60%
24°
41°
Sun
8/23
Drizzle
60%
24°
40°
Mon
8/24
Drizzle
60%
24°
39°
Tue
8/25
Drizzle
60%
23°
38°
Wed
8/26
Drizzle
60%
23°
37°
26
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
26 AQI 4.6 µg/m³
O3
Ground-level ozone
Dominant
26 AQI 28 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 26 Good 26 26
Fri 36 Good 28 36
Sat 58 Moderate 29 58
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 Wed Aug 12, 22:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1481 J/kg
MLCAPE734 J/kg
MUCAPE1481 J/kg
SBCIN-108 J/kg
MLCIN0 J/kg
Lifted Index-2.9
Kinematics
0–6 km Shear9 kt
0–1 km Shear6 kt
Eff. Shear6 kt
0–1 km SRH20
0–3 km SRH50
Eff. SRH50
Storm Motion338° @ 10 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index26.5
Thermo & Levels
PWAT1.66 in
0–3 km LR7.5 °C/km
700–500 LR5.8 °C/km
Total Totals45.3
LCL827 hPa
LFC783 hPa
EL172 hPa
Freezing Lvl16,752 ft