Heat Advisory — Pointe Coupee, LA, West Feliciana, LA, East Feliciana, LA, St. Helena, LA, Washington, LA, Iberville, LA, West Baton Rouge, LA, East Baton Rouge, LA, Assumption, LA, Northern Tangipahoa, LA, Lower Plaquemines, LA, Coastal Jefferson, LA, Upper Lafourche, LA, Lower Lafourche, LA, Upper Terrebonne, LA, Lower Terrebonne, LA, Wilkinson, MS, Amite, MS, Pike, MS, Walthall, MS, Pearl River, MS, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS 8:00 PM Coastal Flood Advisory — San Diego County Coastal Areas, CA, Orange County Coastal, CA 5:00 AM

San Diego County Coastal Areas, CA

Last updated: 6:25 AM CDT  ·  Refresh
26°C
Feels like 30°
Clear
▲ 36°  /  ▼ 26°
Wind
4 mph W
Humidity
89%
Dew Point
24°
Pressure
29.86 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
1%
Sunrise
6:20 AM
Sunset
8:01 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: San Diego County Coastal Areas is currently clear at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1425 J/kg) — isolated convective development possible. Sunrise: 6:20AM · Sunset: 8:01PM.

Alerts

Heat Advisory
Pointe Coupee, LA, West Feliciana, LA, East Feliciana, LA, St. Helena, LA, Washington, LA, Iberville, LA, West Baton Rouge, LA, East Baton Rouge, LA, Assumption, LA, Northern Tangipahoa, LA, Lower Plaquemines, LA, Coastal Jefferson, LA, Upper Lafourche, LA, Lower Lafourche, LA, Upper Terrebonne, LA, Lower Terrebonne, LA, Wilkinson, MS, Amite, MS, Pike, MS, Walthall, MS, Pearl River, MS, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS
Expires 8:00 PM
Coastal Flood Advisory
San Diego County Coastal Areas, CA, Orange County Coastal, CA
Expires 5:00 AM
30 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
15%
7 AM
26°
31%
8 AM
27°
31%
9 AM
29°
24%
10 AM
31°
24%
11 AM
32°
25%
12 PM
33°
20%
1 PM
35°
6%
2 PM
35°
6%
3 PM
35°
6%
4 PM
35°
6%
5 PM
36°
6%
6 PM
36°
4%
7 PM
34°
4%
8 PM
33°
4%
9 PM
31°
4%
10 PM
31°
4%
11 PM
30°
3%
12 AM
29°
3%
1 AM
28°
3%
2 AM
28°
3%
3 AM
27°
3%
4 AM
27°
3%
5 AM
27°
3%
7-Day Forecast
Today
36° 26°
Mostly Clear with a 24% chance of rain.
Wed
37° 26°
Mostly Cloudy.
Thu
36° 26°
Mostly Cloudy with a 60% chance of rain.
Fri
36° 26°
Mostly Cloudy with a 53% chance of rain.
Sat
36° 24°
Rain, 67% chance.
Sun
34° 24°
Rain, 80% chance.
Mon
37° 24°
Partly Cloudy with a 53% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 26° Clear 15% 4 mph W 89%
7 AM 26° Clear 31% 5 mph W 86%
8 AM 27° Mostly Clear 31% 7 mph W 79%
9 AM 29° Partly Cloudy 24% 7 mph WNW 73%
10 AM 31° Mostly Clear 24% 8 mph WNW 66%
11 AM 32° Mostly Clear 25% 7 mph WNW 60%
12 PM 33° Mostly Clear 20% 7 mph WNW 54%
1 PM 35° Mostly Clear 6% 6 mph WNW 50%
2 PM 35° Mostly Clear 6% 7 mph W 50%
3 PM 35° Mostly Clear 6% 7 mph W 50%
4 PM 35° Mostly Clear 6% 7 mph W 51%
5 PM 36° Mostly Clear 6% 7 mph W 53%
6 PM 36° Mostly Clear 4% 6 mph W 56%
7 PM 34° Mostly Clear 4% 6 mph WSW 59%
8 PM 33° Mostly Clear 4% 5 mph WSW 64%
9 PM 31° Partly Cloudy 4% 5 mph WSW 68%
10 PM 31° Partly Cloudy 4% 6 mph SW 72%
11 PM 30° Mostly Clear 3% 6 mph WSW 76%
12 AM 29° Mostly Clear 3% 6 mph WSW 80%
1 AM 28° Mostly Clear 3% 6 mph WSW 84%
2 AM 28° Mostly Clear 3% 6 mph WSW 86%
3 AM 27° Partly Cloudy 3% 6 mph WSW 87%
4 AM 27° Partly Cloudy 3% 6 mph WSW 89%
5 AM 27° Partly Cloudy 3% 6 mph WSW 89%
15-Day Forecast
Today
7/28
Mostly Clear
24%
26°
36°
Wed
7/29
Mostly Cloudy
6%
26°
37°
Thu
7/30
Mostly Cloudy
60%
26°
36°
Fri
7/31
Mostly Cloudy
53%
26°
36°
Sat
8/1
Rain
67%
24°
36°
Sun
8/2
Rain
80%
24°
34°
Mon
8/3
Partly Cloudy
53%
24°
37°
Tue
8/4
Rain
66%
24°
37°
Wed
8/5
Drizzle
47%
24°
37°
Thu
8/6
Rain
64%
24°
35°
Fri
8/7
Drizzle
66%
24°
36°
Sat
8/8
Drizzle
60%
24°
36°
Sun
8/9
Drizzle
60%
24°
36°
Mon
8/10
Drizzle
60%
24°
37°
Tue
8/11
Drizzle
60%
24°
37°
30
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
25 AQI 4.5 µg/m³
O3
Ground-level ozone
Dominant
30 AQI 33 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 30 Good 30 25
Wed 34 Good 30 34
Thu 46 Good 30 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 Tue Jul 28, 10:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE832 J/kg
MLCAPE212 J/kg
MUCAPE832 J/kg
SBCIN-147 J/kg
MLCIN0 J/kg
Lifted Index-1.5
Kinematics
0–6 km Shear21 kt
0–1 km Shear4 kt
Eff. Shear23 kt
0–1 km SRH18
0–3 km SRH0
Eff. SRH0
Storm Motion324° @ 16 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.1
STP (eff)0.0
Supercell0.0
K-Index20.0
Thermo & Levels
PWAT1.61 in
0–3 km LR4.8 °C/km
700–500 LR5.1 °C/km
Total Totals40.8
LCL986 hPa
LFC783 hPa
EL194 hPa
Freezing Lvl17,060 ft