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

LaSalle Parish, Louisiana, United States

Last updated: 11:47 AM CDT  ·  Refresh
34°C
Feels like 41°
Clear
▲ 39°  /  ▼ 23°
Wind
2 mph NNW
Humidity
57%
Dew Point
24°
Pressure
29.75 inHg
Visibility
10 mi
UV Index
8.9
Cloud Cover
9%
Sunrise
6:47 AM
Sunset
7:24 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: LaSalle Parish is currently clear at 34°C. Precipitation is likely — peak probability 61% around 11 AM. Atmospheric instability is elevated (CAPE up to 2159 J/kg) — isolated convective development possible. Sunrise: 6:47AM · Sunset: 7:24PM.

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
32 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
34°
7%
12 PM
35°
19%
1 PM
37°
30%
2 PM
38°
27%
3 PM
38°
22%
4 PM
37°
32%
5 PM
36°
28%
6 PM
33°
43%
7 PM
32°
29%
8 PM
31°
17%
9 PM
29°
18%
10 PM
28°
18%
11 PM
27°
18%
12 AM
26°
10%
1 AM
26°
5%
2 AM
25°
5%
3 AM
25°
5%
4 AM
24°
14%
5 AM
23°
17%
6 AM
23°
17%
7 AM
24°
33%
8 AM
25°
34%
9 AM
28°
34%
10 AM
30°
45%
7-Day Forecast
Today
39° 23°
Mostly Clear with a 28% chance of rain.
Tue
37° 23°
Partly Cloudy with a 60% chance of rain.
Wed
39° 21°
Mostly Cloudy with a 27% chance of rain.
Thu
36° 21°
Rain, 83% chance.
Fri
37° 21°
Drizzle, 64% chance.
Sat
37° 21°
Rain, 64% chance.
Sun
38° 21°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 34° Clear 7% 2 mph NNW 57%
12 PM 35° Mostly Clear 19% 3 mph SE 48%
1 PM 37° Mostly Clear 30% 4 mph ESE 45%
2 PM 38° Mostly Clear 27% 4 mph E 42%
3 PM 38° Mostly Clear 22% 4 mph NE 41%
4 PM 37° Mostly Clear 32% 4 mph ENE 45%
5 PM 36° Partly Cloudy 28% 3 mph E 51%
6 PM 33° Partly Cloudy 43% 3 mph NNE 58%
7 PM 32° Partly Cloudy 29% 3 mph SE 62%
8 PM 31° Partly Cloudy 17% 2 mph SSE 65%
9 PM 29° Mostly Clear 18% 3 mph S 68%
10 PM 28° Mostly Clear 18% 3 mph S 73%
11 PM 27° Mostly Clear 18% 3 mph SSE 78%
12 AM 26° Mostly Clear 10% 4 mph SSE 84%
1 AM 26° Mostly Clear 5% 3 mph S 86%
2 AM 25° Mostly Clear 5% 2 mph S 87%
3 AM 25° Mostly Clear 5% 2 mph S 88%
4 AM 24° Mostly Clear 14% 2 mph SSE 89%
5 AM 23° Partly Cloudy 17% 3 mph SSE 90%
6 AM 23° Haze 17% 3 mph SSE 90%
7 AM 24° Partly Cloudy 33% 3 mph SSE 87%
8 AM 25° Partly Cloudy 34% 3 mph SSE 82%
9 AM 28° Partly Cloudy 34% 3 mph SSE 78%
10 AM 30° Mostly Clear 45% 3 mph SSE 71%
15-Day Forecast
Today
9/7
Mostly Clear
28%
23°
39°
Tue
9/8
Partly Cloudy
60%
23°
37°
Wed
9/9
Mostly Cloudy
27%
21°
39°
Thu
9/10
Rain
83%
21°
36°
Fri
9/11
Drizzle
64%
21°
37°
Sat
9/12
Rain
64%
21°
37°
Sun
9/13
Clear
17%
21°
38°
Mon
9/14
Drizzle
42%
21°
38°
Tue
9/15
Drizzle
44%
22°
37°
Wed
9/16
Drizzle
51%
18°
36°
Thu
9/17
Drizzle
60%
19°
36°
Fri
9/18
Drizzle
60%
21°
36°
Sat
9/19
Drizzle
60%
21°
35°
Sun
9/20
Drizzle
60%
21°
34°
Mon
9/21
Drizzle
60%
20°
34°
32
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
32 AQI 5.7 µg/m³
O3
Ground-level ozone
Dominant
32 AQI 36 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 32 Good 32 32
Wed 47 Good 37 47
Thu 31 Good 31 21
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, 15:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3065 J/kg
MLCAPE3511 J/kg
MUCAPE5219 J/kg
SBCIN-53 J/kg
MLCIN-24 J/kg
Lifted Index-6.9
Kinematics
0–6 km Shear8 kt
0–1 km Shear3 kt
Eff. Shear13 kt
0–1 km SRH5
0–3 km SRH30
Eff. SRH30
Storm Motion97° @ 18 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index37.3
Thermo & Levels
PWAT2.23 in
0–3 km LR7.5 °C/km
700–500 LR5.9 °C/km
Total Totals50.4
LCL868 hPa
LFC820 hPa
EL138 hPa
Freezing Lvl16,309 ft