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

Webster Parish, Louisiana, United States

Last updated: 5:05 PM CDT  ·  Refresh
38°C
Feels like 42°
Partly Cloudy
▲ 39°  /  ▼ 22°
Wind
6 mph NNW
Humidity
34%
Dew Point
18°
Pressure
29.71 inHg
Visibility
10 mi
UV Index
6.1
Cloud Cover
47%
Sunrise
6:41 AM
Sunset
7:51 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Webster Parish is currently partly cloudy at 38°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1639 J/kg) — isolated convective development possible. Sunrise: 6:41AM · Sunset: 7:51PM.

Alerts

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
57 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
38°
23%
6 PM
38°
21%
7 PM
37°
21%
8 PM
34°
21%
9 PM
32°
20%
10 PM
29°
11%
11 PM
28°
8%
12 AM
27°
6%
1 AM
26°
4%
2 AM
27°
4%
3 AM
26°
4%
4 AM
25°
3%
5 AM
25°
3%
6 AM
23°
3%
7 AM
22°
3%
8 AM
25°
3%
9 AM
27°
8%
10 AM
29°
8%
11 AM
30°
8%
12 PM
34°
8%
1 PM
35°
8%
2 PM
37°
20%
3 PM
37°
20%
4 PM
39°
26%
7-Day Forecast
Today
39° 22°
Partly Cloudy with a 23% chance of rain.
Sat
41° 22°
Mostly Clear with a 48% chance of rain.
Sun
41° 23°
Partly Cloudy with a 36% chance of rain.
Mon
40° 26°
Partly Cloudy with a 51% chance of rain.
Tue
39° 23°
Mostly Clear with a 22% chance of rain.
Wed
39° 24°
Drizzle, 56% chance.
Thu
38° 23°
Rain, 53% chance.
TimeTempConditionsPrecipWindHumidity
Now 38° Partly Cloudy 23% 6 mph NNW 34%
6 PM 38° Partly Cloudy 21% 4 mph NNW 35%
7 PM 37° Mostly Cloudy 21% 4 mph NNW 40%
8 PM 34° Mostly Cloudy 21% 4 mph WNW 49%
9 PM 32° Mostly Cloudy 20% 4 mph NE 58%
10 PM 29° Mostly Cloudy 11% 4 mph E 65%
11 PM 28° Mostly Cloudy 8% 4 mph E 68%
12 AM 27° Mostly Cloudy 6% 3 mph ENE 71%
1 AM 26° Mostly Cloudy 4% 3 mph ESE 73%
2 AM 27° Partly Cloudy 4% 3 mph SW 75%
3 AM 26° Mostly Clear 4% 3 mph SSW 76%
4 AM 25° Mostly Clear 3% 3 mph SW 78%
5 AM 25° Mostly Clear 3% 3 mph SSW 78%
6 AM 23° Clear 3% 3 mph ENE 79%
7 AM 22° Clear 3% 3 mph SSW 79%
8 AM 25° Clear 3% 2 mph SW 72%
9 AM 27° Mostly Clear 8% 3 mph SSW 62%
10 AM 29° Mostly Clear 8% 4 mph SSW 56%
11 AM 30° Mostly Clear 8% 3 mph WSW 50%
12 PM 34° Clear 8% 3 mph WNW 45%
1 PM 35° Clear 8% 4 mph NNW 40%
2 PM 37° Clear 20% 3 mph N 38%
3 PM 37° Clear 20% 3 mph NNE 37%
4 PM 39° Mostly Clear 26% 4 mph NE 35%
15-Day Forecast
Today
8/21
Partly Cloudy
23%
22°
39°
Sat
8/22
Mostly Clear
48%
22°
41°
Sun
8/23
Partly Cloudy
36%
23°
41°
Mon
8/24
Partly Cloudy
51%
26°
40°
Tue
8/25
Mostly Clear
22%
23°
39°
Wed
8/26
Drizzle
56%
24°
39°
Thu
8/27
Rain
53%
23°
38°
Fri
8/28
Mostly Clear
29%
22°
39°
Sat
8/29
Mostly Clear
27%
23°
39°
Sun
8/30
Mostly Clear
40%
23°
41°
Mon
8/31
Partly Cloudy
25%
24°
41°
Tue
9/1
Drizzle
60%
23°
39°
Wed
9/2
Drizzle
60%
24°
39°
Thu
9/3
Drizzle
60%
24°
40°
Fri
9/4
Drizzle
60%
23°
39°
57
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
57 AQI 12.5 µg/m³
O3
Ground-level ozone
49 AQI 54 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 57 Moderate 49 57
Sun 53 Moderate 37 53
Mon 56 Moderate 46 56
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
SBCAPE1790 J/kg
MLCAPE1286 J/kg
MUCAPE1790 J/kg
SBCIN-10 J/kg
MLCIN-33 J/kg
Lifted Index-4.8
Kinematics
0–6 km Shear13 kt
0–1 km Shear7 kt
Eff. Shear10 kt
0–1 km SRH32
0–3 km SRH43
Eff. SRH43
Storm Motion32° @ 18 kt
0–1 km EHI0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index40.3
Thermo & Levels
PWAT1.91 in
0–3 km LR8.9 °C/km
700–500 LR6.5 °C/km
Total Totals51.2
LCL755 hPa
LFC722 hPa
EL164 hPa
Freezing Lvl15,135 ft