Heat Advisory — West Cameron, LA, East Cameron, LA, Lower Vermilion, LA, Lower Iberia, LA, Lower St. Mary, LA 8:00 PM

Brownsville, Texas

Last updated: 10:09 PM CDT  ·  Refresh
28°C
Feels like 33°
Partly Cloudy
▲ 32°  /  ▼ 26°
Wind
9 mph SSE
Humidity
79%
Dew Point
24°
Pressure
29.94 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
37%
Sunrise
7:05 AM
Sunset
8:00 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Brownsville is currently partly cloudy at 29°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3137 J/kg) — isolated convective development possible. Sunrise: 7:05AM · Sunset: 8:00PM.

Alerts

Heat Advisory
West Cameron, LA, East Cameron, LA, Lower Vermilion, LA, Lower Iberia, LA, Lower St. Mary, LA
Expires 8:00 PM
61 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
28°
3%
11 PM
28°
3%
12 AM
28°
3%
1 AM
27°
3%
2 AM
27°
3%
3 AM
27°
3%
4 AM
27°
3%
5 AM
27°
3%
6 AM
26°
3%
7 AM
26°
3%
8 AM
27°
3%
9 AM
28°
3%
10 AM
30°
3%
11 AM
32°
3%
12 PM
33°
3%
1 PM
35°
3%
2 PM
36°
3%
3 PM
36°
3%
4 PM
35°
3%
5 PM
35°
3%
6 PM
33°
3%
7 PM
33°
3%
8 PM
32°
3%
9 PM
31°
3%
7-Day Forecast
Tonight
32° 26°
Partly Cloudy.
Sat
36° 26°
Mostly Cloudy.
Sun
36° 26°
Partly Cloudy.
Mon
36° 26°
Partly Cloudy.
Tue
37° 26°
Clear.
Wed
36° 26°
Clear.
Thu
36° 26°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 28° Partly Cloudy 3% 9 mph SSE 79%
11 PM 28° Partly Cloudy 3% 9 mph SSE 77%
12 AM 28° Mostly Cloudy 3% 9 mph SSE 79%
1 AM 27° Mostly Cloudy 3% 8 mph SSE 81%
2 AM 27° Mostly Cloudy 3% 8 mph SSE 82%
3 AM 27° Overcast 3% 8 mph SSE 84%
4 AM 27° Overcast 3% 8 mph SSE 85%
5 AM 27° Overcast 3% 7 mph SSE 87%
6 AM 26° Overcast 3% 7 mph SSE 89%
7 AM 26° Mostly Cloudy 3% 6 mph SSE 89%
8 AM 27° Mostly Cloudy 3% 7 mph SSE 83%
9 AM 28° Mostly Cloudy 3% 9 mph SSE 74%
10 AM 30° Mostly Cloudy 3% 10 mph SSE 66%
11 AM 32° Mostly Cloudy 3% 10 mph SSE 57%
12 PM 33° Mostly Cloudy 3% 10 mph SSE 48%
1 PM 35° Mostly Cloudy 3% 10 mph SSE 42%
2 PM 36° Mostly Cloudy 3% 11 mph SSE 42%
3 PM 36° Mostly Cloudy 3% 12 mph SSE 44%
4 PM 35° Mostly Cloudy 3% 13 mph SE 45%
5 PM 35° Mostly Cloudy 3% 13 mph SE 50%
6 PM 33° Partly Cloudy 3% 13 mph SE 53%
7 PM 33° Partly Cloudy 3% 13 mph SE 56%
8 PM 32° Partly Cloudy 3% 12 mph SE 60%
9 PM 31° Partly Cloudy 3% 12 mph SSE 65%
15-Day Forecast
Today
8/21
Partly Cloudy
3%
26°
32°
Sat
8/22
Mostly Cloudy
3%
26°
36°
Sun
8/23
Partly Cloudy
3%
26°
36°
Mon
8/24
Partly Cloudy
3%
26°
36°
Tue
8/25
Clear
3%
26°
37°
Wed
8/26
Clear
16%
26°
36°
Thu
8/27
Clear
3%
26°
36°
Fri
8/28
Clear
26%
27°
36°
Sat
8/29
Clear
18%
27°
36°
Sun
8/30
Clear
3%
27°
36°
Mon
8/31
Clear
25%
27°
36°
Tue
9/1
Clear
25%
28°
36°
Wed
9/2
Clear
60%
28°
36°
Thu
9/3
Drizzle
60%
28°
36°
Fri
9/4
Drizzle
60%
28°
36°
61
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
61 AQI 14.5 µg/m³
O3
Ground-level ozone
19 AQI 21 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 61 Moderate 19 61
Sun 61 Moderate 22 61
Mon 59 Moderate 20 59
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 Sat Aug 22, 01:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2359 J/kg
MLCAPE1319 J/kg
MUCAPE2793 J/kg
SBCIN-292 J/kg
MLCIN-352 J/kg
Lifted Index-5.4
Kinematics
0–6 km Shear12 kt
0–1 km Shear9 kt
Eff. Shear16 kt
0–1 km SRH-15
0–3 km SRH60
Eff. SRH96
Storm Motion106° @ 20 kt
0–1 km EHI-0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index11.8
Thermo & Levels
PWAT1.24 in
0–3 km LR5.4 °C/km
700–500 LR6.4 °C/km
Total Totals32.1
LCL945 hPa
LFC733 hPa
EL174 hPa
Freezing Lvl16,476 ft