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

Bossier Parish, Louisiana, United States

Last updated: 5:06 PM CDT  ·  Refresh
39°C
Feels like 41°
Partly Cloudy
▲ 39°  /  ▼ 23°
Wind
6 mph NNW
Humidity
31%
Dew Point
18°
Pressure
29.71 inHg
Visibility
10 mi
UV Index
6.1
Cloud Cover
44%
Sunrise
6:42 AM
Sunset
7:52 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Bossier Parish is currently partly cloudy at 39°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1501 J/kg) — isolated convective development possible. Sunrise: 6:42AM · Sunset: 7:52PM.

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
59 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
39°
11%
6 PM
38°
11%
7 PM
37°
11%
8 PM
34°
11%
9 PM
32°
11%
10 PM
29°
8%
11 PM
28°
8%
12 AM
28°
6%
1 AM
27°
4%
2 AM
27°
4%
3 AM
27°
4%
4 AM
26°
3%
5 AM
26°
3%
6 AM
23°
3%
7 AM
23°
3%
8 AM
26°
3%
9 AM
27°
8%
10 AM
29°
8%
11 AM
30°
8%
12 PM
33°
8%
1 PM
34°
8%
2 PM
36°
11%
3 PM
37°
11%
4 PM
39°
16%
7-Day Forecast
Today
39° 23°
Partly Cloudy.
Sat
41° 23°
Mostly Clear with a 35% chance of rain.
Sun
40° 23°
Partly Cloudy with a 36% chance of rain.
Mon
39° 26°
Mostly Clear with a 51% chance of rain.
Tue
37° 24°
Mostly Clear with a 33% chance of rain.
Wed
38° 24°
Rain, 67% chance.
Thu
37° 24°
Rain, 66% chance.
TimeTempConditionsPrecipWindHumidity
Now 39° Partly Cloudy 11% 6 mph NNW 31%
6 PM 38° Partly Cloudy 11% 5 mph NNW 31%
7 PM 37° Partly Cloudy 11% 4 mph NNW 35%
8 PM 34° Partly Cloudy 11% 4 mph NW 41%
9 PM 32° Partly Cloudy 11% 4 mph NW 47%
10 PM 29° Partly Cloudy 8% 4 mph W 53%
11 PM 28° Mostly Cloudy 8% 4 mph ESE 57%
12 AM 28° Partly Cloudy 6% 4 mph SSE 62%
1 AM 27° Partly Cloudy 4% 3 mph SSW 66%
2 AM 27° Partly Cloudy 4% 3 mph SSW 69%
3 AM 27° Mostly Clear 4% 3 mph W 71%
4 AM 26° Mostly Clear 3% 3 mph WNW 74%
5 AM 26° Mostly Clear 3% 2 mph WSW 74%
6 AM 23° Mostly Clear 3% 2 mph SSW 76%
7 AM 23° Clear 3% 2 mph SSW 76%
8 AM 26° Mostly Clear 3% 3 mph WSW 69%
9 AM 27° Mostly Clear 8% 4 mph WSW 60%
10 AM 29° Mostly Clear 8% 4 mph WSW 54%
11 AM 30° Mostly Clear 8% 4 mph WSW 49%
12 PM 33° Mostly Clear 8% 4 mph W 45%
1 PM 34° Mostly Clear 8% 4 mph NW 40%
2 PM 36° Mostly Clear 11% 3 mph W 38%
3 PM 37° Clear 11% 3 mph SW 36%
4 PM 39° Mostly Clear 16% 3 mph S 34%
15-Day Forecast
Today
8/21
Partly Cloudy
11%
23°
39°
Sat
8/22
Mostly Clear
35%
23°
41°
Sun
8/23
Partly Cloudy
36%
23°
40°
Mon
8/24
Mostly Clear
51%
26°
39°
Tue
8/25
Mostly Clear
33%
24°
37°
Wed
8/26
Rain
67%
24°
38°
Thu
8/27
Rain
66%
24°
37°
Fri
8/28
Mostly Clear
26%
22°
38°
Sat
8/29
Partly Cloudy
20%
24°
38°
Sun
8/30
Mostly Clear
35%
23°
40°
Mon
8/31
Partly Cloudy
25%
24°
39°
Tue
9/1
Drizzle
60%
24°
38°
Wed
9/2
Drizzle
60%
24°
38°
Thu
9/3
Drizzle
60%
24°
38°
Fri
9/4
Drizzle
60%
23°
38°
59
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
59 AQI 13.2 µg/m³
O3
Ground-level ozone
50 AQI 55 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 59 Moderate 50 59
Sun 54 Moderate 38 54
Mon 60 Moderate 51 60
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
SBCAPE1699 J/kg
MLCAPE1298 J/kg
MUCAPE1699 J/kg
SBCIN-21 J/kg
MLCIN-67 J/kg
Lifted Index-4.8
Kinematics
0–6 km Shear13 kt
0–1 km Shear7 kt
Eff. Shear10 kt
0–1 km SRH31
0–3 km SRH40
Eff. SRH40
Storm Motion32° @ 19 kt
0–1 km EHI0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index36.7
Thermo & Levels
PWAT1.87 in
0–3 km LR8.9 °C/km
700–500 LR6.7 °C/km
Total Totals50.1
LCL749 hPa
LFC700 hPa
EL166 hPa
Freezing Lvl15,253 ft