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: 2:23 AM CDT  ·  Refresh
26°C
Feels like 29°
Mostly Clear
▲ 37°  /  ▼ 23°
Wind
2 mph SW
Humidity
79%
Dew Point
23°
Pressure
29.40 inHg
Visibility
9 mi
UV Index
0.0
Cloud Cover
17%
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 25°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2085 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
26°
3%
3 AM
25°
3%
4 AM
25°
3%
5 AM
23°
3%
6 AM
23°
3%
7 AM
24°
3%
8 AM
27°
3%
9 AM
30°
3%
10 AM
32°
3%
11 AM
33°
3%
12 PM
34°
3%
1 PM
37°
8%
2 PM
37°
13%
3 PM
37°
16%
4 PM
37°
20%
5 PM
36°
25%
6 PM
33°
20%
7 PM
32°
17%
8 PM
31°
17%
9 PM
28°
17%
10 PM
27°
13%
11 PM
27°
13%
12 AM
27°
13%
1 AM
27°
9%
7-Day Forecast
Today
37° 23°
Mostly Clear with a 25% chance of rain.
Tue
37° 23°
Partly Cloudy.
Wed
39° 21°
Clear.
Thu
35° 23°
Partly Cloudy with a 37% chance of rain.
Fri
35° 21°
Drizzle, 51% chance.
Sat
36° 21°
Rain, 70% chance.
Sun
37° 20°
Rain, 54% chance.
TimeTempConditionsPrecipWindHumidity
Now 26° Mostly Clear 3% 2 mph SW 79%
3 AM 25° Mostly Clear 3% 4 mph SW 79%
4 AM 25° Mostly Clear 3% 4 mph WSW 79%
5 AM 23° Mostly Clear 3% 4 mph WSW 81%
6 AM 23° Mostly Clear 3% 4 mph WSW 83%
7 AM 24° Mostly Clear 3% 5 mph WSW 80%
8 AM 27° Mostly Clear 3% 6 mph W 72%
9 AM 30° Clear 3% 6 mph W 64%
10 AM 32° Clear 3% 7 mph W 56%
11 AM 33° Mostly Clear 3% 7 mph W 50%
12 PM 34° Mostly Clear 3% 7 mph W 45%
1 PM 37° Mostly Clear 8% 7 mph W 41%
2 PM 37° Clear 13% 7 mph W 39%
3 PM 37° Clear 16% 7 mph W 37%
4 PM 37° Mostly Clear 20% 7 mph W 39%
5 PM 36° Partly Cloudy 25% 6 mph W 46%
6 PM 33° Partly Cloudy 20% 6 mph W 53%
7 PM 32° Partly Cloudy 17% 5 mph WSW 60%
8 PM 31° Partly Cloudy 17% 5 mph WSW 64%
9 PM 28° Mostly Clear 17% 5 mph SW 68%
10 PM 27° Mostly Clear 13% 5 mph SW 72%
11 PM 27° Mostly Clear 13% 4 mph WSW 74%
12 AM 27° Partly Cloudy 13% 4 mph WSW 77%
1 AM 27° Partly Cloudy 9% 3 mph WSW 79%
15-Day Forecast
Today
8/17
Mostly Clear
25%
23°
37°
Tue
8/18
Partly Cloudy
10%
23°
37°
Wed
8/19
Clear
7%
21°
39°
Thu
8/20
Partly Cloudy
37%
23°
35°
Fri
8/21
Drizzle
51%
21°
35°
Sat
8/22
Rain
70%
21°
36°
Sun
8/23
Rain
54%
20°
37°
Mon
8/24
Rain
44%
19°
36°
Tue
8/25
Rain
68%
21°
34°
Wed
8/26
Rain
64%
20°
33°
Thu
8/27
Drizzle
60%
22°
35°
Fri
8/28
Drizzle
60%
21°
34°
Sat
8/29
Drizzle
60%
21°
34°
Sun
8/30
Drizzle
60%
21°
34°
Mon
8/31
Drizzle
60%
21°
32°
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, 06:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE565 J/kg
MLCAPE594 J/kg
MUCAPE1121 J/kg
SBCIN-250 J/kg
MLCIN-110 J/kg
Lifted Index-2.1
Kinematics
0–6 km Shear5 kt
0–1 km Shear9 kt
Eff. Shear13 kt
0–1 km SRH24
0–3 km SRH97
Eff. SRH106
Storm Motion38° @ 13 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index22.0
Thermo & Levels
PWAT1.75 in
0–3 km LR4.8 °C/km
700–500 LR5.6 °C/km
Total Totals45.6
LCL957 hPa
LFC773 hPa
EL212 hPa
Freezing Lvl16,542 ft