Dense Fog Advisory — Ashley, AR, Chicot, AR, Morehouse, LA, West Carroll, LA, East Carroll, LA, Richland, LA, Madison, LA, Franklin, LA, Catahoula, LA, Tensas, LA, Concordia, LA, Bolivar, MS, Sunflower, MS, Leflore, MS, Grenada, MS, Carroll, MS, Montgomery, MS, Webster, MS, Clay, MS, Lowndes, MS, Choctaw, MS, Oktibbeha, MS, Washington, MS, Humphreys, MS, Holmes, MS, Attala, MS, Winston, MS, Noxubee, MS, Issaquena, MS, Sharkey, MS, Yazoo, MS, Madison, MS, Leake, MS, Neshoba, MS, Kemper, MS, Warren, MS, Hinds, MS, Rankin, MS, Scott, MS, Newton, MS, Lauderdale, MS, Claiborne, MS, Copiah, MS, Jefferson, MS, Adams, MS, Franklin, MS 9:00 AM

Jefferson County, Mississippi, 39069, United States

Last updated: 8:55 AM CDT  ·  Refresh
16°C
Feels like 16°
Mostly Clear
▲ 27°  /  ▼ 9°
Wind
2 mph ENE
Humidity
73%
Dew Point
12°
Pressure
29.69 inHg
Visibility
10 mi
UV Index
5.3
Cloud Cover
12%
Sunrise
6:22 AM
Sunset
5:11 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Jefferson County is currently mostly clear at 16°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:22AM · Sunset: 5:11PM.

Alerts

Dense Fog Advisory
Ashley, AR, Chicot, AR, Morehouse, LA, West Carroll, LA, East Carroll, LA, Richland, LA, Madison, LA, Franklin, LA, Catahoula, LA, Tensas, LA, Concordia, LA, Bolivar, MS, Sunflower, MS, Leflore, MS, Grenada, MS, Carroll, MS, Montgomery, MS, Webster, MS, Clay, MS, Lowndes, MS, Choctaw, MS, Oktibbeha, MS, Washington, MS, Humphreys, MS, Holmes, MS, Attala, MS, Winston, MS, Noxubee, MS, Issaquena, MS, Sharkey, MS, Yazoo, MS, Madison, MS, Leake, MS, Neshoba, MS, Kemper, MS, Warren, MS, Hinds, MS, Rankin, MS, Scott, MS, Newton, MS, Lauderdale, MS, Claiborne, MS, Copiah, MS, Jefferson, MS, Adams, MS, Franklin, MS
Expires 9:00 AM
46 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
16°
0%
9 AM
19°
0%
10 AM
21°
0%
11 AM
22°
0%
12 PM
24°
0%
1 PM
25°
0%
2 PM
25°
0%
3 PM
24°
0%
4 PM
22°
0%
5 PM
19°
0%
6 PM
17°
0%
7 PM
16°
0%
8 PM
15°
0%
9 PM
14°
0%
10 PM
14°
0%
11 PM
13°
0%
12 AM
12°
0%
1 AM
12°
0%
2 AM
12°
0%
3 AM
12°
0%
4 AM
10°
0%
5 AM
9°
0%
6 AM
10°
0%
7 AM
12°
0%
7-Day Forecast
Today
27° 9°
Clear.
Fri
26° 9°
Partly Cloudy.
Sat
23° 7°
Partly Cloudy.
Sun
21° 4°
Clear.
Mon
24° 8°
Mostly Cloudy with a 26% chance of rain.
Tue
25° 9°
Partly Cloudy.
Wed
26° 11°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 16° Mostly Clear 0% 2 mph ENE 73%
9 AM 19° Mostly Clear 0% 3 mph ENE 66%
10 AM 21° Mostly Clear 0% 3 mph ENE 61%
11 AM 22° Clear 0% 2 mph NNE 57%
12 PM 24° Clear 0% 2 mph N 54%
1 PM 25° Clear 0% 3 mph N 52%
2 PM 25° Clear 0% 3 mph N 52%
3 PM 24° Clear 0% 3 mph N 54%
4 PM 22° Clear 0% 3 mph N 62%
5 PM 19° Clear 0% 3 mph N 76%
6 PM 17° Mostly Clear 0% 3 mph N 86%
7 PM 16° Partly Cloudy 0% 2 mph NNE 91%
8 PM 15° Mostly Clear 0% 1 mph NNE 93%
9 PM 14° Clear 0% 1 mph NNE 93%
10 PM 14° Mostly Clear 0% 1 mph NNE 93%
11 PM 13° Mostly Clear 0% 1 mph ENE 93%
12 AM 12° Mostly Clear 0% 1 mph ENE 93%
1 AM 12° Mostly Clear 0% 1 mph ENE 94%
2 AM 12° Mostly Clear 0% 1 mph ENE 94%
3 AM 12° Mostly Clear 0% 1 mph ENE 94%
4 AM 10° Mostly Clear 0% 1 mph ENE 94%
5 AM 9° Partly Cloudy 0% 1 mph ENE 94%
6 AM 10° Mostly Clear 0% 2 mph NE 94%
7 AM 12° Mostly Clear 0% 2 mph NE 88%
15-Day Forecast
Today
11/5
Clear
0%
9°
27°
Fri
11/6
Partly Cloudy
0%
9°
26°
Sat
11/7
Partly Cloudy
3%
7°
23°
Sun
11/8
Clear
3%
4°
21°
Mon
11/9
Mostly Cloudy
26%
8°
24°
Tue
11/10
Partly Cloudy
17%
9°
25°
Wed
11/11
Clear
3%
11°
26°
Thu
11/12
Clear
68%
11°
26°
Fri
11/13
Drizzle
75%
11°
25°
Sat
11/14
Drizzle
80%
11°
25°
Sun
11/15
Clear
64%
11°
26°
Mon
11/16
Drizzle
77%
13°
25°
Tue
11/17
Drizzle
84%
13°
26°
Wed
11/18
Drizzle
87%
13°
26°
Thu
11/19
Drizzle
88%
13°
26°
46
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
46 AQI 8.2 µg/m³
O3
Ground-level ozone
34 AQI 37 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Fri 46 Good 34 46
Sat 52 Moderate 37 52
Sun 41 Good 33 41
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 Thu Nov 5, 13:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 90 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE5 J/kg
MLCAPE18 J/kg
MUCAPE0 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index11.2
Kinematics
0–6 km Shear31 kt
0–1 km Shear3 kt
Eff. Shear—
0–1 km SRH-6
0–3 km SRH52
Eff. SRH—
Storm Motion297° @ 20 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-15.5
Thermo & Levels
PWAT0.68 in
0–3 km LR1.6 °C/km
700–500 LR7.3 °C/km
Total Totals25.6
LCL946 hPa
LFC1006 hPa
EL989 hPa
Freezing Lvl15,623 ft