Extreme Heat Warning — Marion, AL, Lamar, AL, Fayette, AL, Winston, AL, Walker, AL, Blount, AL, Etowah, AL, Calhoun, AL, Cherokee, AL, Cleburne, AL, Pickens, AL, Tuscaloosa, AL, Jefferson, AL, Shelby, AL, St. Clair, AL, Talladega, AL, Clay, AL, Randolph, AL, Sumter, AL, Greene, AL, Hale, AL, Perry, AL, Bibb, AL, Chilton, AL, Coosa, AL, Tallapoosa, AL, Chambers, AL, Marengo, AL, Dallas, AL, Autauga, AL, Lowndes, AL, Elmore, AL, Montgomery, AL, Macon, AL, Bullock, AL, Lee, AL, Russell, AL, Pike, AL, Barbour, AL 9:00 PM

Shelby County, Alabama, United States

Last updated: 12:56 AM CDT  ·  Refresh
27°C
Feels like 31°
Mostly Clear
▲ 38°  /  ▼ 23°
Wind
2 mph SSW
Humidity
78%
Dew Point
23°
Pressure
29.40 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
14%
Sunrise
6:10 AM
Sunset
7:29 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Shelby County is currently mostly clear at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2200 J/kg) — isolated convective development possible. Sunrise: 6:10AM · Sunset: 7:29PM.

Alerts

Extreme Heat Warning
Marion, AL, Lamar, AL, Fayette, AL, Winston, AL, Walker, AL, Blount, AL, Etowah, AL, Calhoun, AL, Cherokee, AL, Cleburne, AL, Pickens, AL, Tuscaloosa, AL, Jefferson, AL, Shelby, AL, St. Clair, AL, Talladega, AL, Clay, AL, Randolph, AL, Sumter, AL, Greene, AL, Hale, AL, Perry, AL, Bibb, AL, Chilton, AL, Coosa, AL, Tallapoosa, AL, Chambers, AL, Marengo, AL, Dallas, AL, Autauga, AL, Lowndes, AL, Elmore, AL, Montgomery, AL, Macon, AL, Bullock, AL, Lee, AL, Russell, AL, Pike, AL, Barbour, AL
Expires 9:00 PM
59 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
3%
1 AM
26°
3%
2 AM
26°
3%
3 AM
26°
3%
4 AM
24°
3%
5 AM
23°
3%
6 AM
24°
3%
7 AM
26°
3%
8 AM
29°
3%
9 AM
31°
3%
10 AM
33°
3%
11 AM
34°
3%
12 PM
36°
3%
1 PM
37°
8%
2 PM
37°
13%
3 PM
38°
13%
4 PM
36°
25%
5 PM
34°
20%
6 PM
33°
17%
7 PM
32°
17%
8 PM
29°
18%
9 PM
28°
9%
10 PM
28°
9%
11 PM
28°
9%
7-Day Forecast
Today
38° 23°
Mostly Clear.
Tue
37° 23°
Partly Cloudy with a 31% chance of rain.
Wed
39° 21°
Clear with a 36% chance of rain.
Thu
36° 23°
Partly Cloudy with a 27% chance of rain.
Fri
35° 21°
Rain, 64% chance.
Sat
36° 21°
Clear with a 64% chance of rain.
Sun
36° 20°
Thunderstorm.
TimeTempConditionsPrecipWindHumidity
Now 27° Mostly Clear 3% 2 mph SSW 78%
1 AM 26° Mostly Clear 3% 4 mph SSW 78%
2 AM 26° Mostly Clear 3% 4 mph SW 78%
3 AM 26° Mostly Clear 3% 4 mph WSW 77%
4 AM 24° Mostly Clear 3% 4 mph WSW 79%
5 AM 23° Mostly Clear 3% 4 mph WSW 82%
6 AM 24° Mostly Clear 3% 4 mph WSW 83%
7 AM 26° Clear 3% 6 mph W 75%
8 AM 29° Clear 3% 6 mph W 67%
9 AM 31° Clear 3% 7 mph W 59%
10 AM 33° Clear 3% 7 mph W 53%
11 AM 34° Mostly Clear 3% 7 mph WNW 48%
12 PM 36° Mostly Clear 3% 7 mph WNW 43%
1 PM 37° Mostly Clear 8% 7 mph W 40%
2 PM 37° Clear 13% 7 mph W 38%
3 PM 38° Clear 13% 7 mph W 36%
4 PM 36° Mostly Clear 25% 7 mph W 42%
5 PM 34° Partly Cloudy 20% 6 mph WSW 50%
6 PM 33° Mostly Cloudy 17% 6 mph WSW 56%
7 PM 32° Partly Cloudy 17% 5 mph WSW 60%
8 PM 29° Partly Cloudy 18% 5 mph SW 64%
9 PM 28° Mostly Clear 9% 6 mph SW 68%
10 PM 28° Mostly Clear 9% 5 mph SW 70%
11 PM 28° Mostly Clear 9% 4 mph WSW 73%
15-Day Forecast
Today
8/17
Mostly Clear
17%
23°
38°
Tue
8/18
Partly Cloudy
31%
23°
37°
Wed
8/19
Clear
36%
21°
39°
Thu
8/20
Partly Cloudy
27%
23°
36°
Fri
8/21
Rain
64%
21°
35°
Sat
8/22
Clear
64%
21°
36°
Sun
8/23
Thunderstorm
18%
20°
36°
Mon
8/24
Rain
44%
19°
36°
Tue
8/25
Rain
68%
21°
34°
Wed
8/26
Rain
64%
20°
35°
Thu
8/27
Drizzle
60%
23°
36°
Fri
8/28
Drizzle
60%
22°
35°
Sat
8/29
Drizzle
60%
22°
35°
Sun
8/30
Drizzle
60%
21°
34°
Mon
8/31
Drizzle
60%
21°
34°
59
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
59 AQI 13.3 µg/m³
O3
Ground-level ozone
39 AQI 42 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 59 Moderate 39 59
Tue 56 Moderate 33 56
Wed 55 Moderate 37 55
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, 04:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1134 J/kg
MLCAPE1139 J/kg
MUCAPE1162 J/kg
SBCIN-199 J/kg
MLCIN-99 J/kg
Lifted Index-3.7
Kinematics
0–6 km Shear5 kt
0–1 km Shear15 kt
Eff. Shear7 kt
0–1 km SRH66
0–3 km SRH52
Eff. SRH52
Storm Motion74° @ 9 kt
0–1 km EHI0.5
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index18.0
Thermo & Levels
PWAT1.72 in
0–3 km LR5.1 °C/km
700–500 LR6.0 °C/km
Total Totals47.8
LCL946 hPa
LFC789 hPa
EL166 hPa
Freezing Lvl15,702 ft