Coastal Flood Advisory — Monroe Upper Keys, FL 4:00 PM

Islamorada, Florida

Last updated: 1:45 AM CDT  ·  Refresh
27°C
Feels like 30°
Partly Cloudy
▲ 29°  /  ▼ 26°
Wind
10 mph N
Humidity
85%
Dew Point
24°
Pressure
29.90 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
49%
Sunrise
7:12 AM
Sunset
7:14 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Islamorada is currently partly cloudy at 27°C. Precipitation is likely — peak probability 54% around 3 AM. Atmospheric instability is elevated (CAPE up to 1539 J/kg) — isolated convective development possible. Sunrise: 7:12AM · Sunset: 7:14PM.

38 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
45%
3 AM
26°
53%
4 AM
26°
29%
5 AM
26°
17%
6 AM
26°
15%
7 AM
26°
12%
8 AM
26°
15%
9 AM
27°
20%
10 AM
27°
21%
11 AM
28°
21%
12 PM
28°
29%
1 PM
29°
30%
2 PM
29°
31%
3 PM
29°
35%
4 PM
29°
36%
5 PM
28°
39%
6 PM
28°
44%
7 PM
28°
45%
8 PM
28°
45%
9 PM
28°
42%
10 PM
28°
28%
11 PM
28°
15%
12 AM
27°
17%
1 AM
27°
10%
7-Day Forecast
Today
29° 26°
Mostly Clear with a 45% chance of rain.
Sun
29° 26°
Mostly Clear.
Mon
29° 26°
Drizzle, 64% chance.
Tue
29° 26°
Mostly Clear with a 70% chance of rain.
Wed
29° 26°
Rain, 82% chance.
Thu
30° 27°
Rain, 90% chance.
Fri
30° 27°
Rain, 90% chance.
TimeTempConditionsPrecipWindHumidity
Now 27° Partly Cloudy 45% 10 mph N 85%
3 AM 26° Mostly Cloudy 53% 12 mph N 86%
4 AM 26° Partly Cloudy 29% 13 mph N 87%
5 AM 26° Partly Cloudy 17% 13 mph N 87%
6 AM 26° Partly Cloudy 15% 12 mph N 86%
7 AM 26° Partly Cloudy 12% 11 mph NNE 85%
8 AM 26° Partly Cloudy 15% 10 mph N 84%
9 AM 27° Mostly Clear 20% 10 mph N 83%
10 AM 27° Clear 21% 9 mph N 81%
11 AM 28° Clear 21% 7 mph NNE 79%
12 PM 28° Clear 29% 4 mph NNE 76%
1 PM 29° Clear 30% 2 mph NE 74%
2 PM 29° Clear 31% 2 mph SSE 72%
3 PM 29° Clear 35% 3 mph SW 72%
4 PM 29° Partly Cloudy 36% 4 mph SW 71%
5 PM 28° Mostly Cloudy 39% 6 mph WSW 72%
6 PM 28° Mostly Cloudy 44% 7 mph W 74%
7 PM 28° Overcast 45% 8 mph W 75%
8 PM 28° Overcast 45% 7 mph W 75%
9 PM 28° Mostly Cloudy 42% 6 mph W 74%
10 PM 28° Partly Cloudy 28% 6 mph W 74%
11 PM 28° Partly Cloudy 15% 5 mph WNW 76%
12 AM 27° Partly Cloudy 17% 5 mph NW 77%
1 AM 27° Partly Cloudy 10% 6 mph N 77%
15-Day Forecast
Today
9/26
Mostly Clear
45%
26°
29°
Sun
9/27
Mostly Clear
14%
26°
29°
Mon
9/28
Drizzle
64%
26°
29°
Tue
9/29
Mostly Clear
70%
26°
29°
Wed
9/30
Rain
82%
26°
29°
Thu
10/1
Rain
90%
27°
30°
Fri
10/2
Rain
90%
27°
30°
Sat
10/3
Rain
69%
27°
30°
Sun
10/4
Rain
68%
27°
30°
Mon
10/5
Drizzle
60%
27°
29°
Tue
10/6
Drizzle
60%
27°
29°
Wed
10/7
Drizzle
60%
28°
29°
Thu
10/8
Drizzle
60%
27°
29°
Fri
10/9
Rain
90%
27°
29°
Sat
10/10
Rain
90%
27°
29°
38
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
31 AQI 5.7 µg/m³
O3
Ground-level ozone
Dominant
38 AQI 41 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 38 Good 38 31
Sun 35 Good 35 24
Mon 32 Good 32 23
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 Sat Sep 26, 05:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1982 J/kg
MLCAPE907 J/kg
MUCAPE1982 J/kg
SBCIN-15 J/kg
MLCIN-43 J/kg
Lifted Index-2.8
Kinematics
0–6 km Shear12 kt
0–1 km Shear6 kt
Eff. Shear10 kt
0–1 km SRH34
0–3 km SRH105
Eff. SRH105
Storm Motion319° @ 22 kt
0–1 km EHI0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index16.6
Thermo & Levels
PWAT1.63 in
0–3 km LR5.5 °C/km
700–500 LR5.1 °C/km
Total Totals38.4
LCL973 hPa
LFC934 hPa
EL165 hPa
Freezing Lvl17,618 ft