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: 4:25 AM CDT  ·  Refresh
25°C
Feels like 28°
Clear
▲ 37°  /  ▼ 26°
Wind
4 mph SW
Humidity
79%
Dew Point
22°
Pressure
29.66 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
9%
Sunrise
6:20 AM
Sunset
8:11 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Union Parish is currently clear at 25°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1040 J/kg) — isolated convective development possible. Sunrise: 6:20AM · Sunset: 8:11PM.

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
51 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
25°
3%
5 AM
23°
19%
6 AM
23°
20%
7 AM
24°
20%
8 AM
27°
20%
9 AM
28°
20%
10 AM
30°
14%
11 AM
32°
14%
12 PM
33°
14%
1 PM
35°
3%
2 PM
36°
3%
3 PM
36°
3%
4 PM
36°
3%
5 PM
36°
3%
6 PM
35°
3%
7 PM
34°
3%
8 PM
32°
3%
9 PM
30°
3%
10 PM
29°
3%
11 PM
28°
3%
12 AM
27°
3%
1 AM
28°
3%
2 AM
27°
3%
3 AM
27°
3%
7-Day Forecast
Today
37° 26°
Partly Cloudy with a 20% chance of rain.
Wed
37° 26°
Mostly Cloudy with a 32% chance of rain.
Thu
33° 24°
Mostly Cloudy with a 57% chance of rain.
Fri
36° 23°
Mostly Cloudy with a 44% chance of rain.
Sat
37° 22°
Mostly Clear with a 29% chance of rain.
Sun
33° 21°
Mostly Clear.
Mon
36° 22°
Mostly Clear.
TimeTempConditionsPrecipWindHumidity
Now 25° Clear 3% 4 mph SW 79%
5 AM 23° Clear 19% 5 mph SW 78%
6 AM 23° Clear 20% 5 mph SW 78%
7 AM 24° Clear 20% 5 mph WSW 76%
8 AM 27° Clear 20% 6 mph WSW 69%
9 AM 28° Clear 20% 7 mph W 62%
10 AM 30° Mostly Clear 14% 7 mph W 56%
11 AM 32° Partly Cloudy 14% 6 mph W 51%
12 PM 33° Partly Cloudy 14% 5 mph W 46%
1 PM 35° Partly Cloudy 3% 5 mph WSW 43%
2 PM 36° Partly Cloudy 3% 4 mph WSW 41%
3 PM 36° Partly Cloudy 3% 4 mph WSW 40%
4 PM 36° Partly Cloudy 3% 4 mph SW 40%
5 PM 36° Partly Cloudy 3% 4 mph SW 42%
6 PM 35° Partly Cloudy 3% 4 mph SW 45%
7 PM 34° Partly Cloudy 3% 4 mph SSW 48%
8 PM 32° Partly Cloudy 3% 4 mph SSW 51%
9 PM 30° Partly Cloudy 3% 5 mph SSW 54%
10 PM 29° Partly Cloudy 3% 5 mph SSW 56%
11 PM 28° Partly Cloudy 3% 5 mph SSW 58%
12 AM 27° Partly Cloudy 3% 5 mph SSW 60%
1 AM 28° Partly Cloudy 3% 6 mph SW 61%
2 AM 27° Partly Cloudy 3% 6 mph SW 62%
3 AM 27° Partly Cloudy 3% 6 mph SW 62%
15-Day Forecast
Today
7/28
Partly Cloudy
20%
26°
37°
Wed
7/29
Mostly Cloudy
32%
26°
37°
Thu
7/30
Mostly Cloudy
57%
24°
33°
Fri
7/31
Mostly Cloudy
44%
23°
36°
Sat
8/1
Mostly Clear
29%
22°
37°
Sun
8/2
Mostly Clear
15%
21°
33°
Mon
8/3
Mostly Clear
15%
22°
36°
Tue
8/4
Drizzle
47%
24°
36°
Wed
8/5
Rain
66%
23°
36°
Thu
8/6
Drizzle
52%
23°
34°
Fri
8/7
Drizzle
60%
24°
36°
Sat
8/8
Drizzle
60%
24°
36°
Sun
8/9
Drizzle
60%
24°
35°
Mon
8/10
Drizzle
60%
24°
36°
Tue
8/11
Drizzle
60%
24°
37°
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 9.2 µg/m³
O3
Ground-level ozone
35 AQI 39 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 51 Moderate 35 51
Wed 51 Moderate 31 51
Thu 53 Moderate 30 53
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 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Tue Jul 28, 08:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE117 J/kg
MUCAPE476 J/kg
SBCIN-3093 J/kg
MLCIN0 J/kg
Lifted Index1.4
Kinematics
0–6 km Shear11 kt
0–1 km Shear9 kt
Eff. Shear19 kt
0–1 km SRH2
0–3 km SRH19
Eff. SRH20
Storm Motion266° @ 16 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.1
K-Index18.9
Thermo & Levels
PWAT1.57 in
0–3 km LR4.4 °C/km
700–500 LR5.3 °C/km
Total Totals41.1
LCL954 hPa
LFC—
EL—
Freezing Lvl17,290 ft