Severe Thunderstorm Watch 9:00 PM Severe Thunderstorm Watch 9:00 PM Extreme Heat Warning — 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, 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 9:00 PM Heat Advisory — 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, 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

DeSoto Parish, Louisiana, United States

Last updated: 5:09 PM CDT  ·  Refresh
36°C
Feels like 39°
Partly Cloudy
▲ 38°  /  ▼ 23°
Wind
5 mph NW
Humidity
40%
Dew Point
20°
Pressure
29.61 inHg
Visibility
10 mi
UV Index
5.8
Cloud Cover
52%
Sunrise
6:43 AM
Sunset
7:52 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: DeSoto Parish is currently partly cloudy at 36°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1579 J/kg) — isolated convective development possible. Sunrise: 6:43AM · Sunset: 7:52PM.

Alerts

Severe Thunderstorm Watch
Expires 9:00 PM
Severe Thunderstorm Watch
Expires 9:00 PM
Extreme Heat Warning
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, 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 9:00 PM
Heat Advisory
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, 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
54 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
36°
48%
6 PM
36°
36%
7 PM
34°
22%
8 PM
33°
18%
9 PM
32°
18%
10 PM
29°
11%
11 PM
29°
11%
12 AM
28°
9%
1 AM
28°
7%
2 AM
28°
7%
3 AM
27°
4%
4 AM
27°
4%
5 AM
27°
5%
6 AM
23°
5%
7 AM
24°
5%
8 AM
26°
12%
9 AM
28°
17%
10 AM
29°
24%
11 AM
31°
24%
12 PM
35°
20%
1 PM
36°
17%
2 PM
38°
20%
3 PM
38°
22%
4 PM
39°
14%
7-Day Forecast
Today
38° 23°
Partly Cloudy with a 48% chance of rain.
Sat
42° 23°
Mostly Clear with a 30% chance of rain.
Sun
41° 23°
Mostly Clear with a 36% chance of rain.
Mon
39° 26°
Mostly Clear with a 37% chance of rain.
Tue
37° 23°
Mostly Cloudy with a 33% chance of rain.
Wed
38° 23°
Drizzle, 53% chance.
Thu
37° 24°
Drizzle, 49% chance.
TimeTempConditionsPrecipWindHumidity
Now 36° Partly Cloudy 48% 5 mph NW 40%
6 PM 36° Overcast 36% 5 mph WNW 50%
7 PM 34° Mostly Cloudy 22% 6 mph WNW 55%
8 PM 33° Partly Cloudy 18% 4 mph WSW 56%
9 PM 32° Mostly Cloudy 18% 4 mph SSW 57%
10 PM 29° Overcast 11% 5 mph SW 58%
11 PM 29° Overcast 11% 4 mph W 61%
12 AM 28° Mostly Cloudy 9% 4 mph W 64%
1 AM 28° Mostly Cloudy 7% 4 mph SW 68%
2 AM 28° Mostly Cloudy 7% 3 mph WSW 69%
3 AM 27° Mostly Cloudy 4% 3 mph WSW 70%
4 AM 27° Partly Cloudy 4% 4 mph WSW 72%
5 AM 27° Partly Cloudy 5% 4 mph WSW 72%
6 AM 23° Mostly Clear 5% 4 mph WSW 73%
7 AM 24° Mostly Clear 5% 4 mph WSW 72%
8 AM 26° Mostly Clear 12% 4 mph W 64%
9 AM 28° Mostly Clear 17% 5 mph W 54%
10 AM 29° Clear 24% 5 mph WNW 47%
11 AM 31° Clear 24% 4 mph WNW 43%
12 PM 35° Mostly Clear 20% 4 mph NW 39%
1 PM 36° Mostly Clear 17% 4 mph NW 35%
2 PM 38° Mostly Clear 20% 4 mph NNW 34%
3 PM 38° Mostly Clear 22% 4 mph NNW 33%
4 PM 39° Mostly Clear 14% 5 mph NNE 32%
15-Day Forecast
Today
8/21
Partly Cloudy
48%
23°
38°
Sat
8/22
Mostly Clear
30%
23°
42°
Sun
8/23
Mostly Clear
36%
23°
41°
Mon
8/24
Mostly Clear
37%
26°
39°
Tue
8/25
Mostly Cloudy
33%
23°
37°
Wed
8/26
Drizzle
53%
23°
38°
Thu
8/27
Drizzle
49%
24°
37°
Fri
8/28
Mostly Clear
44%
22°
38°
Sat
8/29
Partly Cloudy
27%
23°
37°
Sun
8/30
Mostly Clear
35%
23°
39°
Mon
8/31
Clear
25%
23°
38°
Tue
9/1
Drizzle
60%
23°
38°
Wed
9/2
Drizzle
60%
23°
37°
Thu
9/3
Clear
60%
23°
38°
Fri
9/4
Drizzle
60%
22°
37°
54
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
54 AQI 10.5 µg/m³
O3
Ground-level ozone
45 AQI 50 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 54 Moderate 45 54
Sun 53 Moderate 40 53
Mon 57 Moderate 41 57
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 Fri Aug 21, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2321 J/kg
MLCAPE2424 J/kg
MUCAPE2597 J/kg
SBCIN-52 J/kg
MLCIN-19 J/kg
Lifted Index-5.1
Kinematics
0–6 km Shear16 kt
0–1 km Shear8 kt
Eff. Shear10 kt
0–1 km SRH32
0–3 km SRH38
Eff. SRH38
Storm Motion50° @ 17 kt
0–1 km EHI0.5
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index41.1
Thermo & Levels
PWAT2.11 in
0–3 km LR8.2 °C/km
700–500 LR6.3 °C/km
Total Totals51.6
LCL795 hPa
LFC751 hPa
EL160 hPa
Freezing Lvl14,856 ft