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

DeSoto Parish, Louisiana, United States

Last updated: 11:46 AM CDT  ·  Refresh
33°C
Feels like 39°
Mostly Clear
▲ 38°  /  ▼ 23°
Wind
3 mph NNW
Humidity
55%
Dew Point
23°
Pressure
29.61 inHg
Visibility
10 mi
UV Index
8.8
Cloud Cover
11%
Sunrise
6:54 AM
Sunset
7:31 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: DeSoto Parish is currently mostly clear at 33°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2307 J/kg) — isolated convective development possible. Sunrise: 6:54AM · Sunset: 7:31PM.

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
54 AQI · Moderate Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
33%
12 PM
34°
38%
1 PM
36°
39%
2 PM
36°
41%
3 PM
37°
29%
4 PM
36°
33%
5 PM
35°
26%
6 PM
33°
23%
7 PM
32°
24%
8 PM
31°
38%
9 PM
29°
25%
10 PM
28°
28%
11 PM
28°
34%
12 AM
27°
22%
1 AM
27°
8%
2 AM
26°
8%
3 AM
26°
9%
4 AM
26°
5%
5 AM
23°
5%
6 AM
23°
5%
7 AM
24°
11%
8 AM
26°
21%
9 AM
29°
22%
10 AM
31°
32%
7-Day Forecast
Today
38° 23°
Mostly Clear with a 41% chance of rain.
Tue
38° 23°
Mostly Clear with a 47% chance of rain.
Wed
38° 22°
Mostly Cloudy.
Thu
36° 21°
Partly Cloudy with a 51% chance of rain.
Fri
37° 19°
Rain, 50% chance.
Sat
38° 20°
Clear.
Sun
37° 21°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 33° Mostly Clear 33% 3 mph NNW 55%
12 PM 34° Mostly Clear 38% 4 mph NE 47%
1 PM 36° Mostly Clear 39% 4 mph NE 45%
2 PM 36° Partly Cloudy 41% 4 mph NE 43%
3 PM 37° Partly Cloudy 29% 4 mph ENE 41%
4 PM 36° Partly Cloudy 33% 3 mph ESE 42%
5 PM 35° Mostly Clear 26% 3 mph S 45%
6 PM 33° Mostly Clear 23% 4 mph SSW 48%
7 PM 32° Mostly Clear 24% 5 mph SSW 53%
8 PM 31° Mostly Clear 38% 4 mph SW 57%
9 PM 29° Mostly Clear 25% 4 mph SW 62%
10 PM 28° Mostly Clear 28% 3 mph SW 66%
11 PM 28° Mostly Clear 34% 3 mph SSW 70%
12 AM 27° Mostly Clear 22% 3 mph SSW 75%
1 AM 27° Mostly Clear 8% 3 mph SSW 78%
2 AM 26° Clear 8% 3 mph SSW 81%
3 AM 26° Clear 9% 3 mph SSW 84%
4 AM 26° Clear 5% 3 mph SSW 86%
5 AM 23° Clear 5% 3 mph SSW 88%
6 AM 23° Clear 5% 3 mph SSW 89%
7 AM 24° Clear 11% 3 mph SSW 82%
8 AM 26° Clear 21% 3 mph SSW 74%
9 AM 29° Clear 22% 3 mph SSW 66%
10 AM 31° Clear 32% 3 mph S 60%
15-Day Forecast
Today
9/7
Mostly Clear
41%
23°
38°
Tue
9/8
Mostly Clear
47%
23°
38°
Wed
9/9
Mostly Cloudy
7%
22°
38°
Thu
9/10
Partly Cloudy
51%
21°
36°
Fri
9/11
Rain
50%
19°
37°
Sat
9/12
Clear
17%
20°
38°
Sun
9/13
Clear
17%
21°
37°
Mon
9/14
Clear
44%
20°
37°
Tue
9/15
Drizzle
44%
21°
37°
Wed
9/16
Drizzle
51%
18°
36°
Thu
9/17
Drizzle
60%
19°
36°
Fri
9/18
Drizzle
60%
21°
34°
Sat
9/19
Drizzle
60%
21°
34°
Sun
9/20
Drizzle
60%
20°
34°
Mon
9/21
Drizzle
60%
20°
34°
54
Moderate
U.S. Air Quality Index · Dominant: O3
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
44 AQI 8.0 µg/m³
O3
Ground-level ozone
Dominant
54 AQI 56 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 54 Moderate 54 44
Wed 51 Moderate 37 51
Thu 46 Good 41 46
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
SBCAPE2963 J/kg
MLCAPE3386 J/kg
MUCAPE4705 J/kg
SBCIN-54 J/kg
MLCIN-25 J/kg
Lifted Index-6.3
Kinematics
0–6 km Shear4 kt
0–1 km Shear5 kt
Eff. Shear13 kt
0–1 km SRH19
0–3 km SRH28
Eff. SRH28
Storm Motion106° @ 17 kt
0–1 km EHI0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index38.8
Thermo & Levels
PWAT2.23 in
0–3 km LR7.5 °C/km
700–500 LR5.7 °C/km
Total Totals48.8
LCL867 hPa
LFC800 hPa
EL138 hPa
Freezing Lvl16,106 ft