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

Lafayette County, Florida, United States

Last updated: 9:40 AM CDT  ·  Refresh
30°C
Feels like 34°
Mostly Clear
▲ 38°  /  ▼ 26°
Wind
7 mph WNW
Humidity
65%
Dew Point
25°
Pressure
29.94 inHg
Visibility
8 mi
UV Index
8.0
Cloud Cover
13%
Sunrise
7:02 AM
Sunset
8:10 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Lafayette County is currently mostly clear at 30°C. Precipitation is likely — peak probability 52% around 6 PM. Atmospheric instability is elevated (CAPE up to 3494 J/kg) — isolated convective development possible. Sunrise: 7:02AM · Sunset: 8:10PM.

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
55 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
30°
8%
11 AM
31°
25%
12 PM
33°
26%
1 PM
36°
39%
2 PM
36°
45%
3 PM
36°
44%
4 PM
35°
49%
5 PM
34°
40%
6 PM
32°
51%
7 PM
30°
45%
8 PM
29°
32%
9 PM
27°
19%
10 PM
27°
20%
11 PM
27°
11%
12 AM
27°
8%
1 AM
26°
8%
2 AM
27°
9%
3 AM
27°
9%
4 AM
27°
9%
5 AM
26°
9%
6 AM
26°
9%
7 AM
26°
5%
8 AM
27°
24%
9 AM
29°
24%
7-Day Forecast
Today
38° 26°
Partly Cloudy with a 49% chance of rain.
Wed
38° 26°
Partly Cloudy with a 60% chance of rain.
Thu
38° 24°
Rain, 69% chance.
Fri
34° 25°
Partly Cloudy with a 80% chance of rain.
Sat
33° 24°
Drizzle, 64% chance.
Sun
34° 23°
Rain, 64% chance.
Mon
35° 23°
Rain, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 30° Mostly Clear 8% 7 mph WNW 65%
11 AM 31° Partly Cloudy 25% 8 mph WNW 59%
12 PM 33° Partly Cloudy 26% 8 mph WNW 55%
1 PM 36° Partly Cloudy 39% 8 mph WNW 52%
2 PM 36° Mostly Clear 45% 8 mph W 52%
3 PM 36° Mostly Clear 44% 8 mph WSW 56%
4 PM 35° Mostly Clear 49% 10 mph WSW 58%
5 PM 34° Mostly Clear 40% 9 mph WSW 65%
6 PM 32° Partly Cloudy 51% 8 mph W 73%
7 PM 30° Partly Cloudy 45% 9 mph WNW 82%
8 PM 29° Partly Cloudy 32% 8 mph W 84%
9 PM 27° Partly Cloudy 19% 5 mph WSW 83%
10 PM 27° Mostly Cloudy 20% 7 mph SW 81%
11 PM 27° Mostly Cloudy 11% 7 mph SW 81%
12 AM 27° Mostly Cloudy 8% 6 mph WSW 82%
1 AM 26° Mostly Cloudy 8% 6 mph WSW 84%
2 AM 27° Partly Cloudy 9% 6 mph WSW 84%
3 AM 27° Partly Cloudy 9% 5 mph WSW 84%
4 AM 27° Partly Cloudy 9% 5 mph W 85%
5 AM 26° Partly Cloudy 9% 4 mph W 85%
6 AM 26° Partly Cloudy 9% 4 mph W 85%
7 AM 26° Partly Cloudy 5% 4 mph W 84%
8 AM 27° Partly Cloudy 24% 4 mph W 80%
9 AM 29° Partly Cloudy 24% 4 mph WNW 73%
15-Day Forecast
Today
8/18
Partly Cloudy
49%
26°
38°
Wed
8/19
Partly Cloudy
60%
26°
38°
Thu
8/20
Rain
69%
24°
38°
Fri
8/21
Partly Cloudy
80%
25°
34°
Sat
8/22
Drizzle
64%
24°
33°
Sun
8/23
Rain
64%
23°
34°
Mon
8/24
Rain
63%
23°
35°
Tue
8/25
Drizzle
68%
22°
34°
Wed
8/26
Rain
68%
23°
33°
Thu
8/27
Rain
68%
23°
33°
Fri
8/28
Drizzle
60%
21°
34°
Sat
8/29
Drizzle
60%
23°
33°
Sun
8/30
Drizzle
60%
23°
32°
Mon
8/31
Drizzle
60%
23°
32°
Tue
9/1
Drizzle
60%
23°
32°
55
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
55 AQI 11.5 µg/m³
O3
Ground-level ozone
34 AQI 37 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 55 Moderate 34 55
Thu 54 Moderate 38 54
Fri 53 Moderate 37 53
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
SBCAPE3052 J/kg
MLCAPE1216 J/kg
MUCAPE3052 J/kg
SBCIN-45 J/kg
MLCIN-114 J/kg
Lifted Index-6.6
Kinematics
0–6 km Shear9 kt
0–1 km Shear15 kt
Eff. Shear6 kt
0–1 km SRH7
0–3 km SRH36
Eff. SRH36
Storm Motion203° @ 6 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index31.3
Thermo & Levels
PWAT2.00 in
0–3 km LR6.3 °C/km
700–500 LR5.9 °C/km
Total Totals45.3
LCL936 hPa
LFC837 hPa
EL138 hPa
Freezing Lvl16,115 ft