Severe Thunderstorm Watch 8:00 PM Severe Thunderstorm Watch 8:00 PM Heat Advisory — Perry, AL, Marion, AL, Lamar, AL, Fayette, AL, Winston, AL, Walker, AL, Blount, AL, Etowah, AL, Cherokee, AL, Pickens, AL, Tuscaloosa, AL, Jefferson, AL, Shelby, AL, St. Clair, AL, Sumter, AL, Greene, AL, Hale, AL, Bibb, AL, Chilton, AL, Calhoun, AL, Cleburne, AL, Talladega, AL, Clay, AL, Randolph, 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 Heat Advisory — Calhoun, AL, Talladega, AL, Coosa, AL, Tallapoosa, AL, Marengo, AL, Dallas, AL, Autauga, AL, Lowndes, AL, Elmore, AL, Montgomery, AL, Marion, AL, Lamar, AL, Fayette, AL, Winston, AL, Walker, AL, Blount, AL, Etowah, AL, Cherokee, AL, Pickens, AL, Tuscaloosa, AL, Jefferson, AL, Shelby, AL, St. Clair, AL, Sumter, AL, Greene, AL, Hale, AL, Perry, AL, Bibb, AL, Chilton, AL 9:00 PM

Jefferson County, Alabama, United States

Last updated: 6:28 PM CDT  ·  Refresh
28°C
Feels like 31°
Overcast
▲ 32°  /  ▼ 22°
Wind
5 mph NNE
Humidity
81%
Dew Point
23°
Pressure
29.41 inHg
Visibility
10 mi
UV Index
1.7
Cloud Cover
92%
Sunrise
5:41 AM
Sunset
8:01 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Jefferson County is currently overcast at 28°C. Precipitation is likely — peak probability 84% around 7 PM. Atmospheric instability is elevated (CAPE up to 2953 J/kg) — isolated convective development possible. Sunrise: 5:41AM · Sunset: 8:01PM.

Alerts

Severe Thunderstorm Watch
Expires 8:00 PM
Severe Thunderstorm Watch
Expires 8:00 PM
Heat Advisory
Perry, AL, Marion, AL, Lamar, AL, Fayette, AL, Winston, AL, Walker, AL, Blount, AL, Etowah, AL, Cherokee, AL, Pickens, AL, Tuscaloosa, AL, Jefferson, AL, Shelby, AL, St. Clair, AL, Sumter, AL, Greene, AL, Hale, AL, Bibb, AL, Chilton, AL, Calhoun, AL, Cleburne, AL, Talladega, AL, Clay, AL, Randolph, 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
Heat Advisory
Calhoun, AL, Talladega, AL, Coosa, AL, Tallapoosa, AL, Marengo, AL, Dallas, AL, Autauga, AL, Lowndes, AL, Elmore, AL, Montgomery, AL, Marion, AL, Lamar, AL, Fayette, AL, Winston, AL, Walker, AL, Blount, AL, Etowah, AL, Cherokee, AL, Pickens, AL, Tuscaloosa, AL, Jefferson, AL, Shelby, AL, St. Clair, AL, Sumter, AL, Greene, AL, Hale, AL, Perry, AL, Bibb, AL, Chilton, AL
Expires 9:00 PM
57 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
28°
46%
7 PM
27°
83%
8 PM
27°
83%
9 PM
25°
79%
10 PM
25°
36%
11 PM
25°
35%
12 AM
24°
21%
1 AM
24°
4%
2 AM
24°
4%
3 AM
24°
8%
4 AM
23°
8%
5 AM
22°
8%
6 AM
22°
8%
7 AM
24°
8%
8 AM
26°
14%
9 AM
29°
14%
10 AM
30°
33%
11 AM
31°
24%
12 PM
32°
24%
1 PM
34°
25%
2 PM
34°
33%
3 PM
33°
34%
4 PM
33°
47%
5 PM
34°
52%
7-Day Forecast
Tonight
32° 22°
Overcast with a 79% chance of rain.
Thu
36° 22°
Partly Cloudy with a 58% chance of rain.
Fri
37° 23°
Rain, 64% chance.
Sat
36° 22°
Mostly Cloudy with a 59% chance of rain.
Sun
36° 23°
Rain, 64% chance.
Mon
34° 22°
Heavy Rain, 82% chance.
Tue
35° 22°
Drizzle, 64% chance.
TimeTempConditionsPrecipWindHumidity
Now 28° Overcast 46% 5 mph NNE 81%
7 PM 27° Rain 83% 5 mph N 91%
8 PM 27° Heavy Rain 83% 3 mph NNE 89%
9 PM 25° Mostly Cloudy 79% 3 mph NNE 87%
10 PM 25° Mostly Cloudy 36% 4 mph NNE 86%
11 PM 25° Mostly Cloudy 35% 4 mph NE 85%
12 AM 24° Mostly Cloudy 21% 3 mph ENE 85%
1 AM 24° Mostly Cloudy 4% 4 mph ENE 84%
2 AM 24° Mostly Cloudy 4% 3 mph ENE 84%
3 AM 24° Partly Cloudy 8% 3 mph ENE 84%
4 AM 23° Partly Cloudy 8% 3 mph ENE 84%
5 AM 22° Partly Cloudy 8% 2 mph ENE 84%
6 AM 22° Partly Cloudy 8% 2 mph ENE 84%
7 AM 24° Partly Cloudy 8% 2 mph ENE 81%
8 AM 26° Partly Cloudy 14% 2 mph ENE 74%
9 AM 29° Partly Cloudy 14% 2 mph ENE 68%
10 AM 30° Partly Cloudy 33% 2 mph NE 62%
11 AM 31° Partly Cloudy 24% 2 mph ENE 58%
12 PM 32° Partly Cloudy 24% 3 mph ENE 53%
1 PM 34° Partly Cloudy 25% 3 mph ENE 51%
2 PM 34° Partly Cloudy 33% 3 mph ENE 51%
3 PM 33° Partly Cloudy 34% 3 mph ENE 52%
4 PM 33° Partly Cloudy 47% 3 mph ENE 54%
5 PM 34° Partly Cloudy 52% 3 mph NE 56%
15-Day Forecast
Today
7/1
Overcast
79%
22°
32°
Thu
7/2
Partly Cloudy
58%
22°
36°
Fri
7/3
Rain
64%
23°
37°
Sat
7/4
Mostly Cloudy
59%
22°
36°
Sun
7/5
Rain
64%
23°
36°
Mon
7/6
Heavy Rain
82%
22°
34°
Tue
7/7
Drizzle
64%
22°
35°
Wed
7/8
Heavy Rain
82%
24°
34°
Thu
7/9
Thunderstorm
69%
22°
33°
Fri
7/10
Rain
68%
23°
34°
Sat
7/11
Drizzle
51%
23°
38°
Sun
7/12
Drizzle
60%
23°
35°
Mon
7/13
Drizzle
60%
24°
34°
Tue
7/14
Drizzle
60%
24°
34°
Wed
7/15
Drizzle
60%
23°
34°
57
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
57 AQI 12.3 µg/m³
O3
Ground-level ozone
50 AQI 55 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 57 Moderate 50 57
Fri 57 Moderate 48 57
Sat 74 Moderate 74 60
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 Wed Jul 1, 22:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2226 J/kg
MLCAPE2843 J/kg
MUCAPE3167 J/kg
SBCIN-148 J/kg
MLCIN0 J/kg
Lifted Index-7.4
Kinematics
0–6 km Shear19 kt
0–1 km Shear4 kt
Eff. Shear19 kt
0–1 km SRH-21
0–3 km SRH-52
Eff. SRH-52
Storm Motion55° @ 21 kt
0–1 km EHI-0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index39.0
Thermo & Levels
PWAT2.20 in
0–3 km LR5.4 °C/km
700–500 LR7.3 °C/km
Total Totals55.7
LCL934 hPa
LFC737 hPa
EL164 hPa
Freezing Lvl14,813 ft