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: 11:26 AM CDT  ·  Refresh
32°C
Feels like 39°
Mostly Clear
▲ 36°  /  ▼ 25°
Wind
12 mph W
Humidity
62%
Dew Point
25°
Pressure
29.96 inHg
Visibility
9 mi
UV Index
9.5
Cloud Cover
10%
Sunrise
6:59 AM
Sunset
8:04 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Sumter County is currently mostly clear at 32°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3129 J/kg) — isolated convective development possible. Sunrise: 6:59AM · Sunset: 8:04PM.

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
47 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
32°
30%
1 PM
33°
38%
2 PM
34°
17%
3 PM
34°
18%
4 PM
34°
19%
5 PM
33°
20%
6 PM
33°
20%
7 PM
32°
20%
8 PM
31°
12%
9 PM
30°
13%
10 PM
28°
13%
11 PM
27°
13%
12 AM
27°
13%
1 AM
27°
14%
2 AM
26°
23%
3 AM
26°
23%
4 AM
26°
23%
5 AM
26°
26%
6 AM
25°
27%
7 AM
25°
30%
8 AM
26°
39%
9 AM
27°
43%
10 AM
30°
43%
11 AM
31°
44%
7-Day Forecast
Today
36° 25°
Mostly Clear with a 30% chance of rain.
Wed
36° 25°
Partly Cloudy with a 59% chance of rain.
Thu
38° 25°
Partly Cloudy with a 64% chance of rain.
Fri
34° 25°
Mostly Cloudy with a 56% chance of rain.
Sat
34° 23°
Drizzle, 51% chance.
Sun
34° 23°
Drizzle, 51% chance.
Mon
35° 23°
Rain, 41% chance.
TimeTempConditionsPrecipWindHumidity
Now 32° Mostly Clear 30% 12 mph W 62%
1 PM 33° Clear 38% 12 mph W 61%
2 PM 34° Mostly Clear 17% 12 mph W 59%
3 PM 34° Clear 18% 12 mph W 58%
4 PM 34° Clear 19% 12 mph W 58%
5 PM 33° Clear 20% 12 mph W 60%
6 PM 33° Mostly Clear 20% 11 mph W 65%
7 PM 32° Partly Cloudy 20% 9 mph W 70%
8 PM 31° Mostly Cloudy 12% 8 mph W 74%
9 PM 30° Overcast 13% 7 mph W 75%
10 PM 28° Overcast 13% 8 mph WNW 76%
11 PM 27° Overcast 13% 8 mph WNW 78%
12 AM 27° Partly Cloudy 13% 6 mph W 81%
1 AM 27° Partly Cloudy 14% 5 mph W 84%
2 AM 26° Partly Cloudy 23% 5 mph WSW 85%
3 AM 26° Partly Cloudy 23% 5 mph WSW 85%
4 AM 26° Partly Cloudy 23% 5 mph WSW 85%
5 AM 26° Partly Cloudy 26% 5 mph WSW 85%
6 AM 25° Partly Cloudy 27% 5 mph W 86%
7 AM 25° Partly Cloudy 30% 5 mph W 87%
8 AM 26° Partly Cloudy 39% 5 mph W 85%
9 AM 27° Partly Cloudy 43% 6 mph W 79%
10 AM 30° Partly Cloudy 43% 6 mph W 74%
11 AM 31° Partly Cloudy 44% 6 mph W 70%
15-Day Forecast
Today
8/18
Mostly Clear
30%
25°
36°
Wed
8/19
Partly Cloudy
59%
25°
36°
Thu
8/20
Partly Cloudy
64%
25°
38°
Fri
8/21
Mostly Cloudy
56%
25°
34°
Sat
8/22
Drizzle
51%
23°
34°
Sun
8/23
Drizzle
51%
23°
34°
Mon
8/24
Rain
41%
23°
35°
Tue
8/25
Rain
69%
22°
36°
Wed
8/26
Drizzle
68%
22°
35°
Thu
8/27
Rain
68%
23°
33°
Fri
8/28
Drizzle
60%
23°
34°
Sat
8/29
Drizzle
60%
24°
34°
Sun
8/30
Drizzle
60%
24°
34°
Mon
8/31
Drizzle
60%
24°
33°
Tue
9/1
Drizzle
60%
24°
34°
47
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
47 AQI 8.4 µg/m³
O3
Ground-level ozone
26 AQI 28 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 47 Good 26 47
Thu 52 Moderate 37 52
Fri 45 Good 37 45
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
SBCAPE4337 J/kg
MLCAPE2996 J/kg
MUCAPE4337 J/kg
SBCIN0 J/kg
MLCIN-3 J/kg
Lifted Index-8.2
Kinematics
0–6 km Shear14 kt
0–1 km Shear5 kt
Eff. Shear18 kt
0–1 km SRH-14
0–3 km SRH-20
Eff. SRH-20
Storm Motion222° @ 15 kt
0–1 km EHI-0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.3
Thermo & Levels
PWAT2.23 in
0–3 km LR7.4 °C/km
700–500 LR5.6 °C/km
Total Totals46.2
LCL914 hPa
LFC1015 hPa
EL129 hPa
Freezing Lvl16,007 ft