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

Sumter County, Florida, United States

Last updated: 12:29 PM CDT  ·  Refresh
33°C
Feels like 39°
Clear
▲ 37°  /  ▼ 24°
Wind
8 mph W
Humidity
56%
Dew Point
24°
Pressure
29.98 inHg
Visibility
10 mi
UV Index
9.7
Cloud Cover
7%
Sunrise
6:58 AM
Sunset
8:05 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Sumter County is currently clear at 33°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3543 J/kg) — isolated convective development possible. Sunrise: 6:58AM · Sunset: 8:05PM.

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°
17%
2 PM
36°
18%
3 PM
36°
18%
4 PM
35°
18%
5 PM
34°
20%
6 PM
33°
20%
7 PM
32°
16%
8 PM
31°
16%
9 PM
29°
16%
10 PM
28°
5%
11 PM
28°
8%
12 AM
28°
8%
1 AM
27°
8%
2 AM
27°
22%
3 AM
27°
23%
4 AM
26°
23%
5 AM
25°
27%
6 AM
26°
35%
7 AM
26°
41%
8 AM
26°
42%
9 AM
30°
42%
10 AM
31°
47%
11 AM
31°
39%
12 PM
32°
39%
7-Day Forecast
Today
37° 24°
Partly Cloudy.
Tue
37° 25°
Rain, 44% chance.
Wed
37° 24°
Rain, 79% chance.
Thu
36° 23°
Partly Cloudy with a 63% chance of rain.
Fri
36° 23°
Drizzle, 51% chance.
Sat
35° 23°
Rain, 70% chance.
Sun
35° 22°
Rain, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 33° Clear 17% 8 mph W 56%
2 PM 36° Mostly Clear 18% 9 mph W 55%
3 PM 36° Partly Cloudy 18% 10 mph W 57%
4 PM 35° Partly Cloudy 18% 11 mph W 58%
5 PM 34° Partly Cloudy 20% 11 mph W 60%
6 PM 33° Partly Cloudy 20% 10 mph W 66%
7 PM 32° Partly Cloudy 16% 8 mph W 72%
8 PM 31° Partly Cloudy 16% 7 mph W 78%
9 PM 29° Partly Cloudy 16% 6 mph W 82%
10 PM 28° Partly Cloudy 5% 6 mph WSW 86%
11 PM 28° Partly Cloudy 8% 6 mph WSW 88%
12 AM 28° Partly Cloudy 8% 5 mph WSW 88%
1 AM 27° Partly Cloudy 8% 5 mph WSW 89%
2 AM 27° Partly Cloudy 22% 5 mph WSW 89%
3 AM 27° Partly Cloudy 23% 5 mph WSW 90%
4 AM 26° Partly Cloudy 23% 5 mph WSW 91%
5 AM 25° Partly Cloudy 27% 5 mph WSW 91%
6 AM 26° Partly Cloudy 35% 5 mph WSW 91%
7 AM 26° Partly Cloudy 41% 6 mph WSW 90%
8 AM 26° Partly Cloudy 42% 6 mph WSW 87%
9 AM 30° Partly Cloudy 42% 7 mph WSW 81%
10 AM 31° Rain 47% 8 mph W 75%
11 AM 31° Rain 39% 8 mph W 70%
12 PM 32° Rain 39% 8 mph W 68%
15-Day Forecast
Today
8/17
Partly Cloudy
18%
24°
37°
Tue
8/18
Rain
44%
25°
37°
Wed
8/19
Rain
79%
24°
37°
Thu
8/20
Partly Cloudy
63%
23°
36°
Fri
8/21
Drizzle
51%
23°
36°
Sat
8/22
Rain
70%
23°
35°
Sun
8/23
Rain
63%
22°
35°
Mon
8/24
Drizzle
44%
22°
36°
Tue
8/25
Drizzle
44%
23°
36°
Wed
8/26
Drizzle
42%
23°
37°
Thu
8/27
Drizzle
60%
22°
37°
Fri
8/28
Drizzle
60%
24°
36°
Sat
8/29
Drizzle
60%
24°
36°
Sun
8/30
Drizzle
60%
24°
35°
Mon
8/31
Drizzle
60%
24°
36°
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
24 AQI 26 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 39 Good 24 39
Wed 46 Good 30 46
Thu 48 Good 35 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 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
SBCAPE3613 J/kg
MLCAPE3163 J/kg
MUCAPE3613 J/kg
SBCIN0 J/kg
MLCIN-5 J/kg
Lifted Index-7.7
Kinematics
0–6 km Shear7 kt
0–1 km Shear4 kt
Eff. Shear18 kt
0–1 km SRH-4
0–3 km SRH14
Eff. SRH14
Storm Motion127° @ 7 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.8
Thermo & Levels
PWAT2.27 in
0–3 km LR7.5 °C/km
700–500 LR5.7 °C/km
Total Totals47.6
LCL894 hPa
LFC1015 hPa
EL131 hPa
Freezing Lvl16,381 ft