Heat Advisory — Sumter, FL, Pinellas, FL, Polk, FL, Hardee, FL, Highlands, FL, DeSoto, FL, Coastal Levy, FL, Coastal Citrus, FL, Coastal Hernando, FL, Coastal Pasco, FL, Coastal Hillsborough, FL, Coastal Manatee, FL, Coastal Sarasota, FL, Coastal Charlotte, FL, Coastal Lee, FL, Inland Levy, FL, Inland Citrus, FL, Inland Hernando, FL, Inland Pasco, FL, Inland Hillsborough, FL, Inland Manatee, FL, Inland Sarasota, FL, Inland Charlotte, FL, Inland Lee, FL 6:00 PM

Pinellas County, Florida, United States

Last updated: 11:27 AM CDT  ·  Refresh
32°C
Feels like 39°
Partly Cloudy
▲ 33°  /  ▼ 29°
Wind
11 mph WNW
Humidity
64%
Dew Point
25°
Pressure
30.06 inHg
Visibility
10 mi
UV Index
9.3
Cloud Cover
31%
Sunrise
7:02 AM
Sunset
8:06 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Pinellas County is currently partly cloudy at 32°C. Precipitation is likely — peak probability 54% around 12 PM. Atmospheric instability is elevated (CAPE up to 3737 J/kg) — isolated convective development possible. Sunrise: 7:02AM · Sunset: 8:06PM.

Alerts

Heat Advisory
Sumter, FL, Pinellas, FL, Polk, FL, Hardee, FL, Highlands, FL, DeSoto, FL, Coastal Levy, FL, Coastal Citrus, FL, Coastal Hernando, FL, Coastal Pasco, FL, Coastal Hillsborough, FL, Coastal Manatee, FL, Coastal Sarasota, FL, Coastal Charlotte, FL, Coastal Lee, FL, Inland Levy, FL, Inland Citrus, FL, Inland Hernando, FL, Inland Pasco, FL, Inland Hillsborough, FL, Inland Manatee, FL, Inland Sarasota, FL, Inland Charlotte, FL, Inland Lee, FL
Expires 6:00 PM
34 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
32°
6%
1 PM
33°
15%
2 PM
33°
4%
3 PM
33°
7%
4 PM
33°
10%
5 PM
32°
11%
6 PM
32°
13%
7 PM
32°
8%
8 PM
31°
12%
9 PM
31°
20%
10 PM
30°
21%
11 PM
30°
21%
12 AM
29°
22%
1 AM
29°
22%
2 AM
29°
25%
3 AM
29°
30%
4 AM
29°
33%
5 AM
29°
46%
6 AM
29°
52%
7 AM
29°
52%
8 AM
29°
53%
9 AM
29°
49%
10 AM
31°
49%
11 AM
31°
48%
7-Day Forecast
Today
33° 29°
Mostly Clear with a 20% chance of rain.
Wed
34° 29°
Partly Cloudy with a 53% chance of rain.
Thu
34° 29°
Mostly Cloudy with a 69% chance of rain.
Fri
33° 29°
Drizzle, 54% chance.
Sat
33° 29°
Drizzle, 50% chance.
Sun
33° 29°
Drizzle, 70% chance.
Mon
33° 28°
Rain, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 32° Partly Cloudy 6% 11 mph WNW 64%
1 PM 33° Mostly Clear 15% 12 mph WNW 60%
2 PM 33° Mostly Clear 4% 13 mph WNW 62%
3 PM 33° Mostly Clear 7% 13 mph W 64%
4 PM 33° Mostly Clear 10% 12 mph W 66%
5 PM 32° Mostly Clear 11% 12 mph W 68%
6 PM 32° Mostly Clear 13% 11 mph W 71%
7 PM 32° Clear 8% 10 mph W 74%
8 PM 31° Clear 12% 9 mph W 76%
9 PM 31° Mostly Clear 20% 8 mph W 77%
10 PM 30° Mostly Clear 21% 8 mph W 78%
11 PM 30° Partly Cloudy 21% 8 mph WNW 79%
12 AM 29° Partly Cloudy 22% 8 mph W 80%
1 AM 29° Partly Cloudy 22% 7 mph W 81%
2 AM 29° Partly Cloudy 25% 7 mph W 81%
3 AM 29° Partly Cloudy 30% 8 mph W 79%
4 AM 29° Partly Cloudy 33% 8 mph W 78%
5 AM 29° Partly Cloudy 46% 8 mph W 79%
6 AM 29° Partly Cloudy 52% 8 mph WNW 80%
7 AM 29° Partly Cloudy 52% 8 mph WNW 82%
8 AM 29° Partly Cloudy 53% 8 mph WNW 82%
9 AM 29° Partly Cloudy 49% 8 mph WNW 78%
10 AM 31° Partly Cloudy 49% 8 mph WNW 75%
11 AM 31° Partly Cloudy 48% 9 mph WNW 72%
15-Day Forecast
Today
8/18
Mostly Clear
20%
29°
33°
Wed
8/19
Partly Cloudy
53%
29°
34°
Thu
8/20
Mostly Cloudy
69%
29°
34°
Fri
8/21
Drizzle
54%
29°
33°
Sat
8/22
Drizzle
50%
29°
33°
Sun
8/23
Drizzle
70%
29°
33°
Mon
8/24
Rain
63%
28°
33°
Tue
8/25
Rain
69%
28°
34°
Wed
8/26
Drizzle
44%
29°
34°
Thu
8/27
Rain
68%
29°
33°
Fri
8/28
Drizzle
60%
28°
33°
Sat
8/29
Drizzle
60%
28°
33°
Sun
8/30
Drizzle
60%
28°
33°
Mon
8/31
Drizzle
60%
28°
33°
Tue
9/1
Drizzle
60%
28°
33°
34
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
34 AQI 6.2 µg/m³
O3
Ground-level ozone
18 AQI 20 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 34 Good 18 34
Thu 44 Good 33 44
Fri 38 Good 33 38
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
SBCAPE3992 J/kg
MLCAPE2455 J/kg
MUCAPE3992 J/kg
SBCIN0 J/kg
MLCIN-10 J/kg
Lifted Index-8.4
Kinematics
0–6 km Shear13 kt
0–1 km Shear5 kt
Eff. Shear18 kt
0–1 km SRH-14
0–3 km SRH-48
Eff. SRH-48
Storm Motion226° @ 17 kt
0–1 km EHI-0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index19.1
Thermo & Levels
PWAT1.71 in
0–3 km LR7.0 °C/km
700–500 LR6.0 °C/km
Total Totals44.2
LCL916 hPa
LFC1018 hPa
EL137 hPa
Freezing Lvl15,971 ft