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: 5:11 PM CDT  ·  Refresh
30°C
Feels like 34°
Mostly Cloudy
▲ 33°  /  ▼ 22°
Wind
3 mph WNW
Humidity
68%
Dew Point
24°
Pressure
29.42 inHg
Visibility
3 mi
UV Index
4.5
Cloud Cover
74%
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 mostly cloudy at 30°C. Precipitation is likely — peak probability 76% around 6 PM. Atmospheric instability is elevated (CAPE up to 3282 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
30°
54%
6 PM
29°
75%
7 PM
28°
45%
8 PM
28°
50%
9 PM
26°
47%
10 PM
26°
16%
11 PM
26°
16%
12 AM
25°
15%
1 AM
24°
3%
2 AM
24°
5%
3 AM
24°
8%
4 AM
24°
8%
5 AM
22°
8%
6 AM
23°
8%
7 AM
23°
8%
8 AM
26°
14%
9 AM
28°
17%
10 AM
29°
24%
11 AM
31°
34%
12 PM
33°
25%
1 PM
33°
25%
2 PM
33°
25%
3 PM
33°
35%
4 PM
34°
50%
7-Day Forecast
Today
33° 22°
Mostly Cloudy with a 54% chance of rain.
Thu
36° 22°
Partly Cloudy with a 58% chance of rain.
Fri
37° 23°
Partly Cloudy with a 64% chance of rain.
Sat
36° 22°
Mostly Cloudy with a 58% chance of rain.
Sun
35° 22°
Rain, 64% chance.
Mon
34° 21°
Rain, 82% chance.
Tue
34° 22°
Drizzle, 52% chance.
TimeTempConditionsPrecipWindHumidity
Now 30° Mostly Cloudy 54% 3 mph WNW 68%
6 PM 29° Overcast 75% 4 mph NW 79%
7 PM 28° Mostly Cloudy 45% 4 mph WNW 83%
8 PM 28° Partly Cloudy 50% 3 mph NNW 83%
9 PM 26° Partly Cloudy 47% 3 mph NNW 84%
10 PM 26° Partly Cloudy 16% 4 mph NNE 84%
11 PM 26° Partly Cloudy 16% 4 mph NNE 84%
12 AM 25° Partly Cloudy 15% 4 mph ENE 84%
1 AM 24° Mostly Cloudy 3% 4 mph ENE 84%
2 AM 24° Mostly Cloudy 5% 4 mph E 84%
3 AM 24° Mostly Cloudy 8% 3 mph E 84%
4 AM 24° Partly Cloudy 8% 3 mph E 84%
5 AM 22° Partly Cloudy 8% 3 mph E 84%
6 AM 23° Partly Cloudy 8% 2 mph ENE 84%
7 AM 23° Partly Cloudy 8% 2 mph ENE 83%
8 AM 26° Partly Cloudy 14% 2 mph ENE 76%
9 AM 28° Partly Cloudy 17% 2 mph E 69%
10 AM 29° Partly Cloudy 24% 2 mph ENE 63%
11 AM 31° Partly Cloudy 34% 2 mph ENE 58%
12 PM 33° Partly Cloudy 25% 3 mph ENE 54%
1 PM 33° Partly Cloudy 25% 3 mph ENE 51%
2 PM 33° Partly Cloudy 25% 3 mph ENE 50%
3 PM 33° Partly Cloudy 35% 3 mph ENE 49%
4 PM 34° Partly Cloudy 50% 3 mph ENE 49%
15-Day Forecast
Today
7/1
Mostly Cloudy
54%
22°
33°
Thu
7/2
Partly Cloudy
58%
22°
36°
Fri
7/3
Partly Cloudy
64%
23°
37°
Sat
7/4
Mostly Cloudy
58%
22°
36°
Sun
7/5
Rain
64%
22°
35°
Mon
7/6
Rain
82%
21°
34°
Tue
7/7
Drizzle
52%
22°
34°
Wed
7/8
Rain
82%
22°
33°
Thu
7/9
Rain
68%
22°
34°
Fri
7/10
Rain
68%
22°
34°
Sat
7/11
Drizzle
60%
23°
34°
Sun
7/12
Drizzle
60%
23°
34°
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, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3444 J/kg
MLCAPE3856 J/kg
MUCAPE4197 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-8.6
Kinematics
0–6 km Shear21 kt
0–1 km Shear8 kt
Eff. Shear22 kt
0–1 km SRH-39
0–3 km SRH-68
Eff. SRH-68
Storm Motion47° @ 20 kt
0–1 km EHI-0.8
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index39.7
Thermo & Levels
PWAT2.25 in
0–3 km LR6.5 °C/km
700–500 LR6.7 °C/km
Total Totals55.4
LCL912 hPa
LFC996 hPa
EL152 hPa
Freezing Lvl15,279 ft