Extreme Heat Warning — Central Walton, FL, Holmes, FL, Washington, FL, Jackson, FL, Inland Bay, FL, Calhoun, FL, Inland Gulf, FL, Inland Franklin, FL, Gadsden, FL, Leon, FL, Inland Jefferson, FL, Madison, FL, Inland Wakulla, FL, Inland Taylor, FL, Lafayette, FL, Inland Dixie, FL, South Walton, FL, Coastal Bay, FL, Coastal Gulf, FL, Coastal Franklin, FL, Coastal Jefferson, FL, Coastal Wakulla, FL, Coastal Taylor, FL, Coastal Dixie, FL, Northern Liberty, FL, Southern Liberty, FL, Seminole, GA, Decatur, GA, Grady, GA, Thomas, GA, Brooks, GA, Lowndes, GA 7:00 PM Rip Current Statement — Coastal Bay, FL, Coastal Gulf, FL 3:00 AM

Port Saint Joe, Florida

Last updated: 11:33 AM CDT  ·  Refresh
32°C
Feels like 39°
Mostly Cloudy
▲ 32°  /  ▼ 28°
Wind
13 mph W
Humidity
72%
Dew Point
26°
Pressure
30.04 inHg
Visibility
10 mi
UV Index
7.3
Cloud Cover
67%
Sunrise
7:10 AM
Sunset
8:18 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Port Saint Joe is currently mostly cloudy at 31°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3624 J/kg) — isolated convective development possible. Sunrise: 7:10AM · Sunset: 8:18PM.

Alerts

Extreme Heat Warning
Central Walton, FL, Holmes, FL, Washington, FL, Jackson, FL, Inland Bay, FL, Calhoun, FL, Inland Gulf, FL, Inland Franklin, FL, Gadsden, FL, Leon, FL, Inland Jefferson, FL, Madison, FL, Inland Wakulla, FL, Inland Taylor, FL, Lafayette, FL, Inland Dixie, FL, South Walton, FL, Coastal Bay, FL, Coastal Gulf, FL, Coastal Franklin, FL, Coastal Jefferson, FL, Coastal Wakulla, FL, Coastal Taylor, FL, Coastal Dixie, FL, Northern Liberty, FL, Southern Liberty, FL, Seminole, GA, Decatur, GA, Grady, GA, Thomas, GA, Brooks, GA, Lowndes, GA
Expires 7:00 PM
Rip Current Statement
Coastal Bay, FL, Coastal Gulf, FL
Expires 3:00 AM
51 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
32°
28%
1 PM
31°
41%
2 PM
31°
27%
3 PM
32°
28%
4 PM
32°
28%
5 PM
32°
37%
6 PM
32°
27%
7 PM
31°
28%
8 PM
31°
37%
9 PM
31°
42%
10 PM
30°
43%
11 PM
30°
34%
12 AM
30°
34%
1 AM
30°
30%
2 AM
30°
23%
3 AM
30°
23%
4 AM
30°
23%
5 AM
29°
26%
6 AM
28°
24%
7 AM
28°
18%
8 AM
28°
18%
9 AM
29°
24%
10 AM
30°
24%
11 AM
31°
35%
7-Day Forecast
Today
32° 28°
Partly Cloudy with a 42% chance of rain.
Wed
34° 28°
Partly Cloudy with a 38% chance of rain.
Thu
34° 28°
Partly Cloudy with a 40% chance of rain.
Fri
33° 28°
Partly Cloudy with a 57% chance of rain.
Sat
33° 27°
Rain, 57% chance.
Sun
33° 27°
Drizzle, 51% chance.
Mon
33° 27°
Clear with a 31% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 32° Mostly Cloudy 28% 13 mph W 72%
1 PM 31° Partly Cloudy 41% 13 mph W 70%
2 PM 31° Partly Cloudy 27% 14 mph W 71%
3 PM 32° Mostly Clear 28% 14 mph W 72%
4 PM 32° Mostly Clear 28% 14 mph W 72%
5 PM 32° Partly Cloudy 37% 13 mph WSW 73%
6 PM 32° Partly Cloudy 27% 11 mph W 73%
7 PM 31° Partly Cloudy 28% 10 mph W 73%
8 PM 31° Mostly Cloudy 37% 10 mph W 74%
9 PM 31° Mostly Cloudy 42% 10 mph W 75%
10 PM 30° Mostly Cloudy 43% 9 mph W 76%
11 PM 30° Partly Cloudy 34% 9 mph W 76%
12 AM 30° Partly Cloudy 34% 10 mph W 76%
1 AM 30° Partly Cloudy 30% 11 mph W 76%
2 AM 30° Partly Cloudy 23% 11 mph W 78%
3 AM 30° Partly Cloudy 23% 10 mph W 80%
4 AM 30° Partly Cloudy 23% 10 mph W 82%
5 AM 29° Partly Cloudy 26% 9 mph W 83%
6 AM 28° Partly Cloudy 24% 8 mph WNW 83%
7 AM 28° Partly Cloudy 18% 7 mph WNW 84%
8 AM 28° Partly Cloudy 18% 7 mph WNW 82%
9 AM 29° Mostly Clear 24% 8 mph WNW 79%
10 AM 30° Mostly Clear 24% 9 mph WNW 75%
11 AM 31° Mostly Clear 35% 10 mph WNW 74%
15-Day Forecast
Today
8/18
Partly Cloudy
42%
28°
32°
Wed
8/19
Partly Cloudy
38%
28°
34°
Thu
8/20
Partly Cloudy
40%
28°
34°
Fri
8/21
Partly Cloudy
57%
28°
33°
Sat
8/22
Rain
57%
27°
33°
Sun
8/23
Drizzle
51%
27°
33°
Mon
8/24
Clear
31%
27°
33°
Tue
8/25
Rain
69%
27°
33°
Wed
8/26
Thunderstorm
68%
27°
33°
Thu
8/27
Rain
68%
27°
33°
Fri
8/28
Rain
90%
26°
33°
Sat
8/29
Drizzle
60%
27°
33°
Sun
8/30
Drizzle
60%
26°
32°
Mon
8/31
Drizzle
60%
26°
32°
Tue
9/1
Drizzle
60%
27°
32°
51
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
51 AQI 9.2 µg/m³
O3
Ground-level ozone
38 AQI 42 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 51 Moderate 38 51
Thu 52 Moderate 41 52
Fri 48 Good 36 48
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 Aug 18, 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
SBCAPE4939 J/kg
MLCAPE3760 J/kg
MUCAPE4939 J/kg
SBCIN-4 J/kg
MLCIN-12 J/kg
Lifted Index-9.6
Kinematics
0–6 km Shear11 kt
0–1 km Shear6 kt
Eff. Shear18 kt
0–1 km SRH7
0–3 km SRH32
Eff. SRH32
Storm Motion209° @ 9 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index38.0
Thermo & Levels
PWAT2.43 in
0–3 km LR6.9 °C/km
700–500 LR5.8 °C/km
Total Totals48.8
LCL945 hPa
LFC937 hPa
EL124 hPa
Freezing Lvl15,617 ft