Heat Advisory — Marion, AL, Lamar, AL, Fayette, AL, Walker, AL, Jefferson, AL, Shelby, AL 9:00 PM

Walker County, Alabama, United States

Last updated: 12:59 AM CDT  ·  Refresh
26°C
Feels like 31°
Mostly Cloudy
▲ 34°  /  ▼ 20°
Wind
3 mph WNW
Humidity
93%
Dew Point
23°
Pressure
29.53 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
77%
Sunrise
6:15 AM
Sunset
7:28 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Walker County is currently mostly cloudy at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2162 J/kg) — isolated convective development possible. Sunrise: 6:15AM · Sunset: 7:28PM.

52 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
31%
1 AM
24°
25%
2 AM
24°
18%
3 AM
23°
18%
4 AM
22°
13%
5 AM
21°
20%
6 AM
22°
7%
7 AM
23°
12%
8 AM
26°
12%
9 AM
27°
16%
10 AM
28°
12%
11 AM
29°
29%
12 PM
32°
15%
1 PM
32°
15%
2 PM
32°
15%
3 PM
33°
15%
4 PM
34°
15%
5 PM
33°
15%
6 PM
32°
14%
7 PM
31°
14%
8 PM
28°
14%
9 PM
27°
15%
10 PM
25°
15%
11 PM
23°
6%
7-Day Forecast
Today
34° 20°
Mostly Clear with a 31% chance of rain.
Sat
36° 20°
Mostly Clear.
Sun
36° 18°
Clear with a 59% chance of rain.
Mon
31° 18°
Clear with a 74% chance of rain.
Tue
35° 19°
Heavy Rain, 90% chance.
Wed
37° 22°
Rain, 82% chance.
Thu
34° 19°
Rain, 90% chance.
TimeTempConditionsPrecipWindHumidity
Now 26° Mostly Cloudy 31% 3 mph WNW 93%
1 AM 24° Overcast 25% 3 mph NW 93%
2 AM 24° Overcast 18% 2 mph NNW 94%
3 AM 23° Overcast 18% 2 mph SW 94%
4 AM 22° Mostly Cloudy 13% 2 mph NW 94%
5 AM 21° Partly Cloudy 20% 2 mph W 94%
6 AM 22° Partly Cloudy 7% 2 mph WSW 94%
7 AM 23° Partly Cloudy 12% 2 mph WNW 86%
8 AM 26° Partly Cloudy 12% 2 mph WNW 78%
9 AM 27° Partly Cloudy 16% 2 mph WNW 71%
10 AM 28° Mostly Clear 12% 2 mph NW 68%
11 AM 29° Partly Cloudy 29% 2 mph NW 65%
12 PM 32° Clear 15% 3 mph NNW 61%
1 PM 32° Clear 15% 3 mph NW 60%
2 PM 32° Mostly Clear 15% 4 mph NW 59%
3 PM 33° Mostly Clear 15% 4 mph NW 57%
4 PM 34° Mostly Clear 15% 4 mph NW 60%
5 PM 33° Clear 15% 4 mph NW 63%
6 PM 32° Clear 14% 4 mph NNW 66%
7 PM 31° Clear 14% 4 mph NNW 68%
8 PM 28° Clear 14% 4 mph NNW 70%
9 PM 27° Clear 15% 4 mph N 73%
10 PM 25° Clear 15% 3 mph N 75%
11 PM 23° Clear 6% 2 mph NNE 76%
15-Day Forecast
Today
8/21
Mostly Clear
31%
20°
34°
Sat
8/22
Mostly Clear
6%
20°
36°
Sun
8/23
Clear
59%
18°
36°
Mon
8/24
Clear
74%
18°
31°
Tue
8/25
Heavy Rain
90%
19°
35°
Wed
8/26
Rain
82%
22°
37°
Thu
8/27
Rain
90%
19°
34°
Fri
8/28
Drizzle
43%
19°
37°
Sat
8/29
Drizzle
44%
21°
37°
Sun
8/30
Rain
64%
20°
36°
Mon
8/31
Drizzle
60%
22°
36°
Tue
9/1
Drizzle
60%
22°
35°
Wed
9/2
Drizzle
60%
21°
36°
Thu
9/3
Drizzle
60%
21°
35°
Fri
9/4
Drizzle
60%
21°
35°
52
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
52 AQI 9.4 µg/m³
O3
Ground-level ozone
37 AQI 41 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 52 Moderate 37 52
Sat 38 Good 38 36
Sun 48 Good 34 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 Fri Aug 21, 03:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1818 J/kg
MLCAPE2214 J/kg
MUCAPE2710 J/kg
SBCIN-135 J/kg
MLCIN-59 J/kg
Lifted Index-5.6
Kinematics
0–6 km Shear14 kt
0–1 km Shear10 kt
Eff. Shear13 kt
0–1 km SRH33
0–3 km SRH26
Eff. SRH26
Storm Motion318° @ 17 kt
0–1 km EHI0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index40.4
Thermo & Levels
PWAT2.29 in
0–3 km LR5.3 °C/km
700–500 LR6.3 °C/km
Total Totals52.4
LCL964 hPa
LFC784 hPa
EL174 hPa
Freezing Lvl14,688 ft