Extreme Heat Warning — Sevier, AR, Howard, AR, Little River, AR, Hempstead, AR, Nevada, AR, Miller, AR, Lafayette, AR, Columbia, AR, Union, AR, Claiborne, LA, Lincoln, LA, Union, LA, Jackson, LA, Ouachita, LA, Winn, LA, Grant, LA, Caldwell, LA, La Salle, LA, McCurtain, OK, Red River, TX, Bowie, TX 8:00 PM

LaSalle Parish, Louisiana, United States

Last updated: 11:20 AM CDT  ·  Refresh
34°C
Feels like 39°
Mostly Clear
▲ 37°  /  ▼ 24°
Wind
5 mph NNW
Humidity
56%
Dew Point
24°
Pressure
29.69 inHg
Visibility
9 mi
UV Index
9.2
Cloud Cover
12%
Sunrise
6:17 AM
Sunset
8:12 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: LaSalle Parish is currently mostly clear at 34°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2676 J/kg) — isolated convective development possible. Sunrise: 6:17AM · Sunset: 8:12PM.

Alerts

Extreme Heat Warning
Sevier, AR, Howard, AR, Little River, AR, Hempstead, AR, Nevada, AR, Miller, AR, Lafayette, AR, Columbia, AR, Union, AR, Claiborne, LA, Lincoln, LA, Union, LA, Jackson, LA, Ouachita, LA, Winn, LA, Grant, LA, Caldwell, LA, La Salle, LA, McCurtain, OK, Red River, TX, Bowie, TX
Expires 8:00 PM
63 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
34°
34%
12 PM
34°
49%
1 PM
36°
48%
2 PM
36°
48%
3 PM
35°
46%
4 PM
34°
49%
5 PM
34°
45%
6 PM
33°
44%
7 PM
32°
23%
8 PM
30°
19%
9 PM
28°
19%
10 PM
27°
7%
11 PM
27°
7%
12 AM
27°
7%
1 AM
26°
7%
2 AM
26°
7%
3 AM
26°
7%
4 AM
26°
7%
5 AM
24°
7%
6 AM
25°
3%
7 AM
25°
3%
8 AM
26°
3%
9 AM
29°
3%
10 AM
30°
3%
7-Day Forecast
Today
37° 24°
Partly Cloudy with a 48% chance of rain.
Wed
37° 24°
Partly Cloudy.
Thu
34° 24°
Rain, 65% chance.
Fri
34° 23°
Mostly Clear.
Sat
36° 23°
Clear.
Sun
36° 23°
Clear.
Mon
38° 23°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 34° Mostly Clear 34% 5 mph NNW 56%
12 PM 34° Partly Cloudy 49% 5 mph NNW 53%
1 PM 36° Partly Cloudy 48% 5 mph NNW 54%
2 PM 36° Partly Cloudy 48% 4 mph NNW 58%
3 PM 35° Partly Cloudy 46% 4 mph N 62%
4 PM 34° Partly Cloudy 49% 4 mph N 66%
5 PM 34° Partly Cloudy 45% 4 mph NNW 70%
6 PM 33° Partly Cloudy 44% 4 mph NNW 74%
7 PM 32° Partly Cloudy 23% 4 mph WNW 78%
8 PM 30° Mostly Cloudy 19% 4 mph WNW 83%
9 PM 28° Overcast 19% 3 mph WNW 88%
10 PM 27° Overcast 7% 2 mph NW 91%
11 PM 27° Mostly Cloudy 7% 2 mph WNW 91%
12 AM 27° Mostly Cloudy 7% 2 mph NW 92%
1 AM 26° Mostly Cloudy 7% 3 mph NNW 92%
2 AM 26° Mostly Cloudy 7% 3 mph N 92%
3 AM 26° Mostly Cloudy 7% 4 mph N 92%
4 AM 26° Mostly Cloudy 7% 5 mph NNE 92%
5 AM 24° Mostly Cloudy 7% 4 mph NNE 92%
6 AM 25° Mostly Cloudy 3% 4 mph NE 91%
7 AM 25° Mostly Cloudy 3% 3 mph NE 89%
8 AM 26° Mostly Cloudy 3% 4 mph NE 83%
9 AM 29° Mostly Cloudy 3% 4 mph NNE 77%
10 AM 30° Partly Cloudy 3% 5 mph NNE 72%
15-Day Forecast
Today
7/21
Partly Cloudy
48%
24°
37°
Wed
7/22
Partly Cloudy
7%
24°
37°
Thu
7/23
Rain
65%
24°
34°
Fri
7/24
Mostly Clear
15%
23°
34°
Sat
7/25
Clear
16%
23°
36°
Sun
7/26
Clear
16%
23°
36°
Mon
7/27
Clear
3%
23°
38°
Tue
7/28
Clear
18%
24°
39°
Wed
7/29
Drizzle
68%
24°
39°
Thu
7/30
Drizzle
68%
24°
38°
Fri
7/31
Drizzle
60%
24°
38°
Sat
8/1
Drizzle
60%
24°
38°
Sun
8/2
Drizzle
60%
23°
38°
Mon
8/3
Drizzle
60%
23°
36°
Tue
8/4
Drizzle
60%
23°
37°
63
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
63 AQI 15.8 µg/m³
O3
Ground-level ozone
30 AQI 32 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 63 Moderate 30 63
Thu 57 Moderate 32 57
Fri 41 Good 32 41
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 Tue Jul 21, 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
SBCAPE2778 J/kg
MLCAPE1946 J/kg
MUCAPE2778 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-4.7
Kinematics
0–6 km Shear15 kt
0–1 km Shear7 kt
Eff. Shear27 kt
0–1 km SRH-9
0–3 km SRH-29
Eff. SRH-29
Storm Motion342° @ 24 kt
0–1 km EHI-0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.1
Thermo & Levels
PWAT2.21 in
0–3 km LR7.3 °C/km
700–500 LR5.1 °C/km
Total Totals44.0
LCL875 hPa
LFC1005 hPa
EL131 hPa
Freezing Lvl17,720 ft