Areal Flood Watch 2:00 AM

Saint Augustine Beach, Florida

Last updated: 9:22 PM CDT  ·  Refresh
24°C
Feels like 26°
Overcast
▲ 26°  /  ▼ 24°
Wind
11 mph ENE
Humidity
83%
Dew Point
22°
Pressure
29.97 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
95%
Sunrise
7:22 AM
Sunset
7:02 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Saint Augustine Beach is currently overcast at 25°C. Precipitation is likely — peak probability 90% around 5 AM. Atmospheric instability is elevated (CAPE up to 1289 J/kg) — isolated convective development possible. Sunrise: 7:22AM · Sunset: 7:02PM.

Alerts

Areal Flood Watch
Expires 2:00 AM
35 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
45%
11 PM
26°
53%
12 AM
26°
62%
1 AM
26°
66%
2 AM
26°
59%
3 AM
26°
61%
4 AM
26°
85%
5 AM
26°
90%
6 AM
26°
90%
7 AM
26°
76%
8 AM
26°
80%
9 AM
27°
85%
10 AM
27°
85%
11 AM
27°
76%
12 PM
27°
76%
1 PM
27°
66%
2 PM
26°
81%
3 PM
26°
73%
4 PM
26°
69%
5 PM
27°
64%
6 PM
26°
64%
7 PM
26°
64%
8 PM
26°
64%
9 PM
26°
62%
7-Day Forecast
Tonight
26° 24°
Overcast with a 45% chance of rain.
Fri
28° 24°
Rain, 85% chance.
Sat
30° 26°
Partly Cloudy with a 84% chance of rain.
Sun
29° 23°
Mostly Cloudy with a 50% chance of rain.
Mon
29° 21°
Clear.
Tue
28° 21°
Clear.
Wed
28° 22°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 24° Overcast 45% 11 mph ENE 83%
11 PM 26° Overcast 53% 15 mph E 80%
12 AM 26° Overcast 62% 15 mph E 79%
1 AM 26° Rain 66% 14 mph E 78%
2 AM 26° Rain 59% 14 mph E 78%
3 AM 26° Overcast 61% 14 mph E 79%
4 AM 26° Overcast 85% 14 mph E 82%
5 AM 26° Rain 90% 14 mph ENE 83%
6 AM 26° Rain 90% 14 mph ENE 83%
7 AM 26° Rain 76% 15 mph ENE 82%
8 AM 26° Rain 80% 16 mph ENE 80%
9 AM 27° Rain 85% 16 mph ENE 79%
10 AM 27° Rain 85% 16 mph E 79%
11 AM 27° Overcast 76% 16 mph ENE 81%
12 PM 27° Overcast 76% 15 mph ENE 83%
1 PM 27° Rain 66% 14 mph ENE 86%
2 PM 26° Rain 81% 14 mph ENE 87%
3 PM 26° Overcast 73% 14 mph ENE 86%
4 PM 26° Overcast 69% 13 mph E 85%
5 PM 27° Overcast 64% 12 mph E 85%
6 PM 26° Overcast 64% 12 mph E 86%
7 PM 26° Overcast 64% 12 mph E 87%
8 PM 26° Overcast 64% 12 mph E 87%
9 PM 26° Overcast 62% 12 mph ESE 87%
15-Day Forecast
Today
10/8
Overcast
45%
24°
26°
Fri
10/9
Rain
85%
24°
28°
Sat
10/10
Partly Cloudy
84%
26°
30°
Sun
10/11
Mostly Cloudy
50%
23°
29°
Mon
10/12
Clear
15%
21°
29°
Tue
10/13
Clear
8%
21°
28°
Wed
10/14
Clear
17%
22°
28°
Thu
10/15
Rain
27%
22°
28°
Fri
10/16
Rain
69%
23°
28°
Sat
10/17
Rain
68%
23°
28°
Sun
10/18
Rain
64%
22°
28°
Mon
10/19
Drizzle
60%
22°
27°
Tue
10/20
Rain
90%
22°
24°
Wed
10/21
Drizzle
60%
22°
26°
Thu
10/22
Rain
90%
21°
26°
35
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
12 AQI 2.3 µg/m³
O3
Ground-level ozone
Dominant
35 AQI 38 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 35 Good 35 12
Sat 39 Good 39 13
Sun 19 Good 19 13
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 Oct 9, 01:00'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
SBCAPE366 J/kg
MLCAPE369 J/kg
MUCAPE595 J/kg
SBCIN-46 J/kg
MLCIN-31 J/kg
Lifted Index-1.8
Kinematics
0–6 km Shear31 kt
0–1 km Shear9 kt
Eff. Shear20 kt
0–1 km SRH2
0–3 km SRH1
Eff. SRH1
Storm Motion312° @ 8 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index32.2
Thermo & Levels
PWAT2.21 in
0–3 km LR5.6 °C/km
700–500 LR4.8 °C/km
Total Totals40.4
LCL980 hPa
LFC790 hPa
EL377 hPa
Freezing Lvl15,030 ft