Flood Warning — East Baton Rouge County, LA 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, St. James, LA, St. John The Baptist, LA, Upper St. Bernard, LA, Lower St. Bernard, LA, Northern Tangipahoa, LA, Southeast St. Tammany, LA, Western Orleans, LA, Eastern Orleans, LA, Northern St. Tammany, LA, Southwestern St. Tammany, LA, Central Tangipahoa, LA, Lower Tangipahoa, LA, Northern Livingston, LA, Southern Livingston, LA, Western Ascension, LA, Eastern Ascension, LA, Upper Jefferson, LA, Upper Plaquemines, LA, Central Plaquemines, LA, Lower Plaquemines, LA, Central Jefferson, LA, Coastal Jefferson, LA, Upper Lafourche, LA, Lower Lafourche, LA, Upper Terrebonne, LA, Lower Terrebonne, LA, Upper St. Charles, LA, Central St. Charles, LA, Lower St. Charles, LA, Wilkinson, MS, Amite, MS, Pike, MS, Walthall, MS, Pearl River, MS, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS, Southern Hancock, MS, Southern Harrison, MS, Southern Jackson, MS 7:00 PM Small Craft Advisory — Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM, AM, Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM, AM, Coastal waters from St. Augustine to Flagler Beach FL out 20 NM, AM, Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to 60 NM, AM, Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM, AM, Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM, AM 4:00 AM

Coastal waters from St. Augustine to Flagler Beach FL out 20 NM, AM

Last updated: 11:37 AM CDT  ·  Refresh
33°C
Feels like 39°
Partly Cloudy
▲ 37°  /  ▼ 26°
Wind
7 mph NNW
Humidity
60%
Dew Point
25°
Pressure
29.82 inHg
Visibility
10 mi
UV Index
9.1
Cloud Cover
35%
Sunrise
6:16 AM
Sunset
8:05 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Coastal waters from St. Augustine to Flagler Beach FL out 20 NM is currently partly cloudy at 33°C. Precipitation is likely — peak probability 57% around 5 PM. Atmospheric instability is elevated (CAPE up to 2810 J/kg) — isolated convective development possible. Sunrise: 6:16AM · Sunset: 8:05PM.

Alerts

Flood Warning
East Baton Rouge County, LA
Expires
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, St. James, LA, St. John The Baptist, LA, Upper St. Bernard, LA, Lower St. Bernard, LA, Northern Tangipahoa, LA, Southeast St. Tammany, LA, Western Orleans, LA, Eastern Orleans, LA, Northern St. Tammany, LA, Southwestern St. Tammany, LA, Central Tangipahoa, LA, Lower Tangipahoa, LA, Northern Livingston, LA, Southern Livingston, LA, Western Ascension, LA, Eastern Ascension, LA, Upper Jefferson, LA, Upper Plaquemines, LA, Central Plaquemines, LA, Lower Plaquemines, LA, Central Jefferson, LA, Coastal Jefferson, LA, Upper Lafourche, LA, Lower Lafourche, LA, Upper Terrebonne, LA, Lower Terrebonne, LA, Upper St. Charles, LA, Central St. Charles, LA, Lower St. Charles, LA, Wilkinson, MS, Amite, MS, Pike, MS, Walthall, MS, Pearl River, MS, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS, Southern Hancock, MS, Southern Harrison, MS, Southern Jackson, MS
Expires 7:00 PM
Small Craft Advisory
Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM, AM, Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM, AM, Coastal waters from St. Augustine to Flagler Beach FL out 20 NM, AM, Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to 60 NM, AM, Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM, AM, Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM, AM
Expires 4:00 AM
61 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
38%
12 PM
33°
43%
1 PM
35°
38%
2 PM
34°
37%
3 PM
34°
37%
4 PM
34°
50%
5 PM
34°
57%
6 PM
33°
48%
7 PM
32°
40%
8 PM
31°
38%
9 PM
29°
36%
10 PM
29°
42%
11 PM
29°
33%
12 AM
28°
19%
1 AM
28°
19%
2 AM
28°
19%
3 AM
27°
20%
4 AM
27°
23%
5 AM
26°
13%
6 AM
26°
11%
7 AM
27°
11%
8 AM
28°
21%
9 AM
30°
22%
10 AM
31°
22%
7-Day Forecast
Today
37° 26°
Partly Cloudy with a 57% chance of rain.
Wed
37° 26°
Mostly Cloudy with a 58% chance of rain.
Thu
34° 26°
Partly Cloudy with a 71% chance of rain.
Fri
36° 26°
Mostly Clear with a 66% chance of rain.
Sat
36° 24°
Rain, 69% chance.
Sun
36° 24°
Drizzle, 51% chance.
Mon
36° 24°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 33° Partly Cloudy 38% 7 mph NNW 60%
12 PM 33° Mostly Cloudy 43% 8 mph NNW 59%
1 PM 35° Mostly Cloudy 38% 8 mph NNW 60%
2 PM 34° Mostly Cloudy 37% 8 mph NNW 61%
3 PM 34° Mostly Cloudy 37% 8 mph NNW 61%
4 PM 34° Mostly Cloudy 50% 8 mph NNW 63%
5 PM 34° Partly Cloudy 57% 8 mph NNW 67%
6 PM 33° Mostly Cloudy 48% 8 mph NNW 72%
7 PM 32° Partly Cloudy 40% 7 mph NNW 77%
8 PM 31° Partly Cloudy 38% 6 mph NW 80%
9 PM 29° Partly Cloudy 36% 5 mph NW 83%
10 PM 29° Partly Cloudy 42% 4 mph NNW 85%
11 PM 29° Partly Cloudy 33% 3 mph NNW 86%
12 AM 28° Mostly Clear 19% 4 mph N 86%
1 AM 28° Mostly Clear 19% 4 mph N 87%
2 AM 28° Mostly Clear 19% 4 mph N 88%
3 AM 27° Partly Cloudy 20% 5 mph N 88%
4 AM 27° Partly Cloudy 23% 5 mph N 89%
5 AM 26° Partly Cloudy 13% 6 mph N 88%
6 AM 26° Partly Cloudy 11% 7 mph N 88%
7 AM 27° Partly Cloudy 11% 8 mph N 84%
8 AM 28° Partly Cloudy 21% 8 mph N 79%
9 AM 30° Partly Cloudy 22% 10 mph N 73%
10 AM 31° Partly Cloudy 22% 10 mph N 69%
15-Day Forecast
Today
7/21
Partly Cloudy
57%
26°
37°
Wed
7/22
Mostly Cloudy
58%
26°
37°
Thu
7/23
Partly Cloudy
71%
26°
34°
Fri
7/24
Mostly Clear
66%
26°
36°
Sat
7/25
Rain
69%
24°
36°
Sun
7/26
Drizzle
51%
24°
36°
Mon
7/27
Clear
17%
24°
36°
Tue
7/28
Drizzle
43%
24°
37°
Wed
7/29
Thunderstorm
44%
24°
37°
Thu
7/30
Drizzle
44%
25°
37°
Fri
7/31
Drizzle
60%
25°
37°
Sat
8/1
Drizzle
60%
24°
36°
Sun
8/2
Drizzle
60%
24°
36°
Mon
8/3
Drizzle
60%
24°
36°
Tue
8/4
Rain
90%
24°
35°
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 14.4 µg/m³
O3
Ground-level ozone
26 AQI 28 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 61 Moderate 26 61
Thu 52 Moderate 29 52
Fri 41 Good 32 41
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 21, 15:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3601 J/kg
MLCAPE2755 J/kg
MUCAPE3601 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-5.7
Kinematics
0–6 km Shear20 kt
0–1 km Shear9 kt
Eff. Shear31 kt
0–1 km SRH-15
0–3 km SRH-36
Eff. SRH-36
Storm Motion348° @ 29 kt
0–1 km EHI-0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index39.3
Thermo & Levels
PWAT2.52 in
0–3 km LR7.4 °C/km
700–500 LR4.8 °C/km
Total Totals42.9
LCL902 hPa
LFC1010 hPa
EL123 hPa
Freezing Lvl17,507 ft