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: 12:30 PM CDT  ·  Refresh
33°C
Feels like 38°
Clear
▲ 33°  /  ▼ 29°
Wind
8 mph W
Humidity
58%
Dew Point
24°
Pressure
30.08 inHg
Visibility
9 mi
UV Index
9.8
Cloud Cover
3%
Sunrise
7:02 AM
Sunset
8:07 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Pinellas County is currently clear at 33°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3284 J/kg) — isolated convective development possible. Sunrise: 7:02AM · Sunset: 8:07PM.

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
39 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
3%
2 PM
33°
3%
3 PM
33°
3%
4 PM
33°
3%
5 PM
32°
3%
6 PM
32°
3%
7 PM
32°
3%
8 PM
31°
3%
9 PM
31°
3%
10 PM
29°
5%
11 PM
29°
5%
12 AM
29°
5%
1 AM
29°
5%
2 AM
29°
10%
3 AM
29°
23%
4 AM
29°
23%
5 AM
29°
23%
6 AM
29°
24%
7 AM
29°
24%
8 AM
29°
25%
9 AM
29°
25%
10 AM
31°
25%
11 AM
32°
26%
12 PM
32°
22%
7-Day Forecast
Today
33° 29°
Clear.
Tue
34° 29°
Partly Cloudy with a 25% chance of rain.
Wed
34° 29°
Partly Cloudy with a 73% chance of rain.
Thu
34° 28°
Mostly Clear with a 46% chance of rain.
Fri
33° 29°
Rain, 30% chance.
Sat
33° 28°
Drizzle, 52% chance.
Sun
33° 29°
Drizzle, 52% chance.
TimeTempConditionsPrecipWindHumidity
Now 33° Clear 3% 8 mph W 58%
2 PM 33° Mostly Clear 3% 10 mph W 56%
3 PM 33° Mostly Clear 3% 10 mph W 57%
4 PM 33° Mostly Clear 3% 11 mph W 59%
5 PM 32° Mostly Clear 3% 11 mph W 62%
6 PM 32° Mostly Clear 3% 10 mph W 66%
7 PM 32° Clear 3% 9 mph W 70%
8 PM 31° Clear 3% 8 mph W 74%
9 PM 31° Clear 3% 7 mph W 77%
10 PM 29° Clear 5% 6 mph W 80%
11 PM 29° Mostly Clear 5% 6 mph W 82%
12 AM 29° Partly Cloudy 5% 7 mph W 81%
1 AM 29° Partly Cloudy 5% 8 mph W 81%
2 AM 29° Partly Cloudy 10% 8 mph W 81%
3 AM 29° Partly Cloudy 23% 8 mph W 81%
4 AM 29° Partly Cloudy 23% 8 mph W 81%
5 AM 29° Partly Cloudy 23% 8 mph W 82%
6 AM 29° Partly Cloudy 24% 8 mph W 82%
7 AM 29° Partly Cloudy 24% 8 mph W 82%
8 AM 29° Partly Cloudy 25% 8 mph W 80%
9 AM 29° Partly Cloudy 25% 8 mph W 77%
10 AM 31° Partly Cloudy 25% 9 mph W 73%
11 AM 32° Partly Cloudy 26% 9 mph W 71%
12 PM 32° Mostly Clear 22% 10 mph W 70%
15-Day Forecast
Today
8/17
Clear
5%
29°
33°
Tue
8/18
Partly Cloudy
25%
29°
34°
Wed
8/19
Partly Cloudy
73%
29°
34°
Thu
8/20
Mostly Clear
46%
28°
34°
Fri
8/21
Rain
30%
29°
33°
Sat
8/22
Drizzle
52%
28°
33°
Sun
8/23
Drizzle
52%
29°
33°
Mon
8/24
Clear
18%
28°
33°
Tue
8/25
Clear
19%
29°
34°
Wed
8/26
Drizzle
44%
29°
34°
Thu
8/27
Drizzle
60%
29°
34°
Fri
8/28
Drizzle
60%
29°
33°
Sat
8/29
Drizzle
60%
28°
33°
Sun
8/30
Drizzle
60%
28°
33°
Mon
8/31
Drizzle
60%
28°
33°
39
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
39 AQI 7.0 µg/m³
O3
Ground-level ozone
19 AQI 22 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 39 Good 19 39
Wed 42 Good 24 42
Thu 44 Good 33 44
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 Mon Aug 17, 16:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2885 J/kg
MLCAPE1570 J/kg
MUCAPE2885 J/kg
SBCIN-27 J/kg
MLCIN-86 J/kg
Lifted Index-6.5
Kinematics
0–6 km Shear6 kt
0–1 km Shear3 kt
Eff. Shear21 kt
0–1 km SRH2
0–3 km SRH6
Eff. SRH6
Storm Motion135° @ 7 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.2
K-Index21.4
Thermo & Levels
PWAT1.69 in
0–3 km LR7.1 °C/km
700–500 LR5.8 °C/km
Total Totals39.2
LCL897 hPa
LFC811 hPa
EL140 hPa
Freezing Lvl15,955 ft