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

Crystal River, Florida

Last updated: 11:29 AM CDT  ·  Refresh
31°C
Feels like 38°
Rain
▲ 34°  /  ▼ 27°
Wind
11 mph W
Humidity
68%
Dew Point
25°
Pressure
30.03 inHg
Visibility
9 mi
UV Index
9.2
Cloud Cover
37%
Sunrise
7:00 AM
Sunset
8:06 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Crystal River is currently rain at 31°C. Precipitation is likely — peak probability 57% around 1 PM. Atmospheric instability is elevated (CAPE up to 3449 J/kg) — isolated convective development possible. Sunrise: 7:00AM · 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
55 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
51%
1 PM
33°
57%
2 PM
34°
22%
3 PM
34°
18%
4 PM
34°
19%
5 PM
33°
20%
6 PM
32°
23%
7 PM
31°
20%
8 PM
30°
23%
9 PM
29°
23%
10 PM
28°
32%
11 PM
28°
32%
12 AM
28°
24%
1 AM
27°
22%
2 AM
27°
23%
3 AM
27°
26%
4 AM
27°
30%
5 AM
27°
30%
6 AM
27°
34%
7 AM
28°
30%
8 AM
28°
30%
9 AM
29°
34%
10 AM
32°
34%
11 AM
32°
35%
7-Day Forecast
Today
34° 27°
Rain, 51% chance.
Wed
36° 27°
Partly Cloudy with a 47% chance of rain.
Thu
37° 27°
Partly Cloudy with a 56% chance of rain.
Fri
36° 27°
Mostly Cloudy with a 72% chance of rain.
Sat
34° 26°
Drizzle, 51% chance.
Sun
34° 26°
Drizzle, 51% chance.
Mon
36° 26°
Rain, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 31° Rain 51% 11 mph W 68%
1 PM 33° Partly Cloudy 57% 12 mph W 65%
2 PM 34° Mostly Clear 22% 13 mph W 65%
3 PM 34° Mostly Clear 18% 13 mph W 66%
4 PM 34° Mostly Clear 19% 12 mph W 67%
5 PM 33° Mostly Clear 20% 12 mph W 70%
6 PM 32° Mostly Clear 23% 11 mph W 74%
7 PM 31° Mostly Clear 20% 10 mph W 78%
8 PM 30° Partly Cloudy 23% 8 mph W 80%
9 PM 29° Mostly Cloudy 23% 6 mph W 80%
10 PM 28° Mostly Cloudy 32% 7 mph WNW 80%
11 PM 28° Mostly Cloudy 32% 7 mph WNW 80%
12 AM 28° Mostly Cloudy 24% 6 mph W 81%
1 AM 27° Mostly Cloudy 22% 6 mph W 81%
2 AM 27° Mostly Cloudy 23% 6 mph W 82%
3 AM 27° Partly Cloudy 26% 6 mph W 83%
4 AM 27° Partly Cloudy 30% 6 mph W 84%
5 AM 27° Partly Cloudy 30% 6 mph W 85%
6 AM 27° Partly Cloudy 34% 6 mph WNW 84%
7 AM 28° Partly Cloudy 30% 6 mph WNW 83%
8 AM 28° Partly Cloudy 30% 6 mph WNW 81%
9 AM 29° Partly Cloudy 34% 6 mph WNW 78%
10 AM 32° Partly Cloudy 34% 6 mph W 74%
11 AM 32° Partly Cloudy 35% 7 mph W 72%
15-Day Forecast
Today
8/18
Rain
51%
27°
34°
Wed
8/19
Partly Cloudy
47%
27°
36°
Thu
8/20
Partly Cloudy
56%
27°
37°
Fri
8/21
Mostly Cloudy
72%
27°
36°
Sat
8/22
Drizzle
51%
26°
34°
Sun
8/23
Drizzle
51%
26°
34°
Mon
8/24
Rain
63%
26°
36°
Tue
8/25
Rain
69%
25°
36°
Wed
8/26
Rain
68%
26°
36°
Thu
8/27
Rain
68%
26°
34°
Fri
8/28
Drizzle
64%
25°
36°
Sat
8/29
Drizzle
60%
25°
36°
Sun
8/30
Drizzle
60%
24°
35°
Mon
8/31
Drizzle
60%
24°
35°
Tue
9/1
Drizzle
60%
24°
36°
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
29 AQI 32 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 55 Moderate 29 55
Thu 57 Moderate 40 57
Fri 53 Moderate 38 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, 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
SBCAPE4058 J/kg
MLCAPE3186 J/kg
MUCAPE4058 J/kg
SBCIN0 J/kg
MLCIN-2 J/kg
Lifted Index-7.9
Kinematics
0–6 km Shear14 kt
0–1 km Shear7 kt
Eff. Shear17 kt
0–1 km SRH-14
0–3 km SRH-12
Eff. SRH-12
Storm Motion221° @ 14 kt
0–1 km EHI-0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index36.6
Thermo & Levels
PWAT2.41 in
0–3 km LR7.0 °C/km
700–500 LR5.6 °C/km
Total Totals46.1
LCL932 hPa
LFC1017 hPa
EL133 hPa
Freezing Lvl15,896 ft