Areal Flood Watch 2:00 AM

Saint Augustine Beach, Florida

Last updated: 10:14 PM CDT  ·  Refresh
25°C
Feels like 26°
Overcast
▲ 26°  /  ▼ 24°
Wind
12 mph E
Humidity
83%
Dew Point
22°
Pressure
29.96 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
96%
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 86% around 4 AM. Atmospheric instability is elevated (CAPE up to 1949 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
25°
68%
12 AM
25°
80%
1 AM
25°
49%
2 AM
25°
44%
3 AM
25°
57%
4 AM
25°
86%
5 AM
25°
85%
6 AM
25°
85%
7 AM
25°
76%
8 AM
26°
80%
9 AM
26°
85%
10 AM
26°
85%
11 AM
27°
77%
12 PM
27°
85%
1 PM
27°
86%
2 PM
26°
78%
3 PM
26°
78%
4 PM
27°
57%
5 PM
27°
53%
6 PM
27°
53%
7 PM
27°
63%
8 PM
27°
64%
9 PM
27°
61%
10 PM
26°
62%
7-Day Forecast
Tonight
26° 24°
Overcast with a 68% chance of rain.
Fri
28° 24°
Thunderstorm, 85% chance.
Sat
30° 26°
Partly Cloudy with a 79% chance of rain.
Sun
30° 23°
Drizzle, 54% chance.
Mon
29° 21°
Clear.
Tue
28° 21°
Clear.
Wed
28° 22°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 25° Overcast 68% 12 mph E 83%
12 AM 25° Overcast 80% 15 mph E 80%
1 AM 25° Overcast 49% 15 mph E 80%
2 AM 25° Overcast 44% 15 mph E 80%
3 AM 25° Overcast 57% 14 mph E 81%
4 AM 25° Rain 86% 14 mph E 83%
5 AM 25° Overcast 85% 14 mph E 84%
6 AM 25° Rain 85% 14 mph ENE 84%
7 AM 25° Rain 76% 15 mph ENE 82%
8 AM 26° Thunderstorm 80% 16 mph ENE 81%
9 AM 26° Thunderstorm 85% 16 mph ENE 81%
10 AM 26° Thunderstorm 85% 15 mph ENE 80%
11 AM 27° Rain 77% 16 mph ENE 80%
12 PM 27° Rain 85% 16 mph ENE 82%
1 PM 27° Rain 86% 15 mph ENE 84%
2 PM 26° Mostly Cloudy 78% 14 mph ENE 85%
3 PM 26° Mostly Cloudy 78% 13 mph ENE 84%
4 PM 27° Mostly Cloudy 57% 12 mph ENE 83%
5 PM 27° Mostly Cloudy 53% 11 mph ENE 83%
6 PM 27° Overcast 53% 12 mph E 84%
7 PM 27° Overcast 63% 12 mph E 86%
8 PM 27° Rain 64% 12 mph E 87%
9 PM 27° Rain 61% 12 mph E 88%
10 PM 26° Rain 62% 12 mph E 89%
15-Day Forecast
Today
10/8
Overcast
68%
24°
26°
Fri
10/9
Thunderstorm
85%
24°
28°
Sat
10/10
Partly Cloudy
79%
26°
30°
Sun
10/11
Drizzle
54%
23°
30°
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
Drizzle
69%
23°
28°
Sat
10/17
Rain
68%
23°
28°
Sun
10/18
Rain
64%
22°
27°
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, 02:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE317 J/kg
MLCAPE370 J/kg
MUCAPE593 J/kg
SBCIN-80 J/kg
MLCIN-55 J/kg
Lifted Index-1.8
Kinematics
0–6 km Shear30 kt
0–1 km Shear11 kt
Eff. Shear27 kt
0–1 km SRH-17
0–3 km SRH33
Eff. SRH33
Storm Motion306° @ 7 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.3
K-Index33.5
Thermo & Levels
PWAT2.27 in
0–3 km LR5.5 °C/km
700–500 LR5.0 °C/km
Total Totals41.3
LCL977 hPa
LFC782 hPa
EL376 hPa
Freezing Lvl15,499 ft