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: 9:41 AM CDT  ·  Refresh
31°C
Feels like 38°
Partly Cloudy
▲ 33°  /  ▼ 28°
Wind
12 mph WNW
Humidity
76%
Dew Point
26°
Pressure
30.04 inHg
Visibility
10 mi
UV Index
6.8
Cloud Cover
56%
Sunrise
7:10 AM
Sunset
8:19 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Port Saint Joe is currently partly cloudy at 30°C. Precipitation is likely — peak probability 60% around 11 AM. Atmospheric instability is elevated (CAPE up to 3650 J/kg) — isolated convective development possible. Sunrise: 7:10AM · Sunset: 8:19PM.

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
50 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
45%
11 AM
30°
59%
12 PM
30°
58%
1 PM
31°
36%
2 PM
32°
23%
3 PM
32°
26%
4 PM
32°
26%
5 PM
32°
34%
6 PM
32°
28%
7 PM
32°
29%
8 PM
31°
43%
9 PM
31°
43%
10 PM
31°
43%
11 PM
30°
35%
12 AM
29°
35%
1 AM
29°
35%
2 AM
29°
23%
3 AM
29°
24%
4 AM
29°
24%
5 AM
29°
25%
6 AM
28°
15%
7 AM
28°
9%
8 AM
28°
17%
9 AM
29°
17%
7-Day Forecast
Today
33° 28°
Partly Cloudy with a 45% chance of rain.
Wed
34° 28°
Mostly Cloudy with a 41% chance of rain.
Thu
34° 28°
Partly Cloudy with a 57% chance of rain.
Fri
33° 27°
Partly Cloudy with a 60% chance of rain.
Sat
33° 27°
Rain, 64% chance.
Sun
33° 27°
Drizzle, 64% chance.
Mon
34° 27°
Clear with a 31% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 31° Partly Cloudy 45% 12 mph WNW 76%
11 AM 30° Rain 59% 12 mph WNW 74%
12 PM 30° Mostly Cloudy 58% 13 mph W 72%
1 PM 31° Mostly Cloudy 36% 14 mph W 71%
2 PM 32° Partly Cloudy 23% 14 mph W 71%
3 PM 32° Mostly Clear 26% 14 mph W 71%
4 PM 32° Mostly Clear 26% 14 mph W 71%
5 PM 32° Mostly Clear 34% 14 mph W 72%
6 PM 32° Mostly Clear 28% 13 mph W 74%
7 PM 32° Partly Cloudy 29% 13 mph W 76%
8 PM 31° Partly Cloudy 43% 12 mph W 78%
9 PM 31° Partly Cloudy 43% 12 mph W 78%
10 PM 31° Partly Cloudy 43% 12 mph W 79%
11 PM 30° Partly Cloudy 35% 11 mph W 79%
12 AM 29° Partly Cloudy 35% 10 mph W 79%
1 AM 29° Partly Cloudy 35% 9 mph W 80%
2 AM 29° Partly Cloudy 23% 9 mph W 81%
3 AM 29° Partly Cloudy 24% 9 mph W 81%
4 AM 29° Partly Cloudy 24% 10 mph W 81%
5 AM 29° Partly Cloudy 25% 9 mph W 82%
6 AM 28° Partly Cloudy 15% 9 mph W 83%
7 AM 28° Partly Cloudy 9% 9 mph WNW 84%
8 AM 28° Partly Cloudy 17% 8 mph WNW 82%
9 AM 29° Partly Cloudy 17% 8 mph WNW 79%
15-Day Forecast
Today
8/18
Partly Cloudy
45%
28°
33°
Wed
8/19
Mostly Cloudy
41%
28°
34°
Thu
8/20
Partly Cloudy
57%
28°
34°
Fri
8/21
Partly Cloudy
60%
27°
33°
Sat
8/22
Rain
64%
27°
33°
Sun
8/23
Drizzle
64%
27°
33°
Mon
8/24
Clear
31%
27°
34°
Tue
8/25
Drizzle
68%
27°
34°
Wed
8/26
Thunderstorm
68%
28°
33°
Thu
8/27
Drizzle
68%
28°
33°
Fri
8/28
Drizzle
60%
26°
33°
Sat
8/29
Drizzle
60%
27°
32°
Sun
8/30
Drizzle
90%
26°
32°
Mon
8/31
Drizzle
60%
26°
32°
Tue
9/1
Drizzle
60%
26°
32°
50
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
50 AQI 9.1 µg/m³
O3
Ground-level ozone
39 AQI 43 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 50 Good 39 50
Thu 52 Moderate 41 52
Fri 47 Good 37 47
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, 11:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE4206 J/kg
MLCAPE3203 J/kg
MUCAPE4206 J/kg
SBCIN-3 J/kg
MLCIN-15 J/kg
Lifted Index-7.7
Kinematics
0–6 km Shear15 kt
0–1 km Shear7 kt
Eff. Shear12 kt
0–1 km SRH-19
0–3 km SRH23
Eff. SRH23
Storm Motion194° @ 10 kt
0–1 km EHI-0.5
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index32.8
Thermo & Levels
PWAT2.26 in
0–3 km LR6.5 °C/km
700–500 LR5.6 °C/km
Total Totals45.0
LCL956 hPa
LFC941 hPa
EL126 hPa
Freezing Lvl16,112 ft