Areal Flood Watch 2:00 AM

Saint Augustine, Florida

Last updated: 8:39 PM CDT  ·  Refresh
24°C
Feels like 25°
Overcast
▲ 26°  /  ▼ 24°
Wind
8 mph E
Humidity
81%
Dew Point
21°
Pressure
29.94 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
94%
Sunrise
7:22 AM
Sunset
7:02 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Saint Augustine is currently overcast at 24°C. Precipitation is likely — peak probability 90% around 5 AM. Atmospheric instability is elevated (CAPE up to 968 J/kg) — isolated convective development possible. Sunrise: 7:22AM · Sunset: 7:02PM.

Alerts

Areal Flood Watch
Expires 2:00 AM
34 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
32%
10 PM
24°
64%
11 PM
25°
66%
12 AM
25°
49%
1 AM
25°
49%
2 AM
25°
62%
3 AM
26°
56%
4 AM
26°
71%
5 AM
26°
90%
6 AM
26°
90%
7 AM
26°
85%
8 AM
26°
90%
9 AM
26°
90%
10 AM
26°
90%
11 AM
26°
70%
12 PM
26°
70%
1 PM
26°
73%
2 PM
26°
77%
3 PM
26°
81%
4 PM
26°
80%
5 PM
26°
80%
6 PM
26°
77%
7 PM
26°
68%
8 PM
26°
72%
7-Day Forecast
Tonight
26° 24°
Overcast with a 32% chance of rain.
Fri
28° 24°
Rain, 90% chance.
Sat
30° 26°
Partly Cloudy with a 79% 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 32% 8 mph E 81%
10 PM 24° Overcast 64% 10 mph E 77%
11 PM 25° Heavy Rain 66% 9 mph E 78%
12 AM 25° Overcast 49% 9 mph E 79%
1 AM 25° Overcast 49% 9 mph E 80%
2 AM 25° Overcast 62% 10 mph ENE 80%
3 AM 26° Rain 56% 10 mph ENE 79%
4 AM 26° Overcast 71% 12 mph ENE 79%
5 AM 26° Overcast 90% 13 mph ENE 79%
6 AM 26° Overcast 90% 14 mph ENE 80%
7 AM 26° Overcast 85% 14 mph ENE 80%
8 AM 26° Overcast 90% 14 mph ENE 80%
9 AM 26° Rain 90% 14 mph ENE 82%
10 AM 26° Rain 90% 14 mph E 84%
11 AM 26° Rain 70% 12 mph E 85%
12 PM 26° Rain 70% 12 mph E 84%
1 PM 26° Overcast 73% 11 mph E 82%
2 PM 26° Overcast 77% 11 mph E 83%
3 PM 26° Overcast 81% 10 mph E 84%
4 PM 26° Rain 80% 10 mph E 84%
5 PM 26° Rain 80% 11 mph E 85%
6 PM 26° Rain 77% 11 mph E 85%
7 PM 26° Drizzle 68% 11 mph E 86%
8 PM 26° Rain 72% 12 mph E 86%
15-Day Forecast
Today
10/8
Overcast
32%
24°
26°
Fri
10/9
Rain
90%
24°
28°
Sat
10/10
Partly Cloudy
79%
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°
27°
Mon
10/19
Drizzle
60%
21°
27°
Tue
10/20
Rain
90%
21°
24°
Wed
10/21
Drizzle
60%
21°
26°
Thu
10/22
Rain
90%
21°
26°
34
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
34 AQI 38 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 34 Good 34 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 Thu Oct 8, 23:00'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
SBCAPE171 J/kg
MLCAPE24 J/kg
MUCAPE171 J/kg
SBCIN-89 J/kg
MLCIN-145 J/kg
Lifted Index-0.8
Kinematics
0–6 km Shear35 kt
0–1 km Shear18 kt
Eff. Shear10 kt
0–1 km SRH-46
0–3 km SRH-79
Eff. SRH-79
Storm Motion308° @ 9 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index29.7
Thermo & Levels
PWAT1.98 in
0–3 km LR5.1 °C/km
700–500 LR5.2 °C/km
Total Totals38.8
LCL977 hPa
LFC751 hPa
EL440 hPa
Freezing Lvl14,741 ft