Fire Weather Watch 8:00 PM

Jefferson County, Mississippi, 39069, United States

Last updated: 3:37 AM CDT  ·  Refresh
18°C
Feels like 19°
Clear
▲ 34°  /  ▼ 16°
Wind
3 mph S
Humidity
81%
Dew Point
16°
Pressure
29.77 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
4%
Sunrise
7:06 AM
Sunset
6:31 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Jefferson County is currently clear at 19°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:06AM · Sunset: 6:31PM.

Alerts

Fire Weather Watch
Expires 8:00 PM
44 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
18°
3%
4 AM
18°
3%
5 AM
16°
3%
6 AM
15°
3%
7 AM
16°
3%
8 AM
19°
3%
9 AM
24°
3%
10 AM
26°
3%
11 AM
28°
3%
12 PM
29°
3%
1 PM
33°
3%
2 PM
33°
3%
3 PM
34°
3%
4 PM
33°
3%
5 PM
29°
3%
6 PM
27°
3%
7 PM
26°
3%
8 PM
24°
3%
9 PM
23°
3%
10 PM
22°
3%
11 PM
22°
3%
12 AM
22°
3%
1 AM
21°
3%
2 AM
21°
3%
7-Day Forecast
Today
34° 16°
Clear.
Fri
29° 12°
Mostly Cloudy.
Sat
23° 6°
Clear.
Sun
23° 5°
Clear.
Mon
28° 7°
Clear.
Tue
30° 10°
Clear.
Wed
31° 12°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 18° Clear 3% 3 mph S 81%
4 AM 18° Clear 3% 4 mph S 83%
5 AM 16° Clear 3% 4 mph SSE 86%
6 AM 15° Clear 3% 4 mph SSE 89%
7 AM 16° Clear 3% 3 mph SSE 86%
8 AM 19° Clear 3% 3 mph SSE 78%
9 AM 24° Clear 3% 3 mph SSE 67%
10 AM 26° Clear 3% 4 mph S 58%
11 AM 28° Clear 3% 5 mph S 50%
12 PM 29° Clear 3% 6 mph S 41%
1 PM 33° Clear 3% 6 mph S 37%
2 PM 33° Clear 3% 5 mph S 35%
3 PM 34° Clear 3% 5 mph S 34%
4 PM 33° Clear 3% 5 mph S 36%
5 PM 29° Clear 3% 4 mph S 40%
6 PM 27° Clear 3% 4 mph SSE 45%
7 PM 26° Clear 3% 4 mph SSE 49%
8 PM 24° Clear 3% 4 mph SSE 54%
9 PM 23° Clear 3% 5 mph SSE 58%
10 PM 22° Clear 3% 5 mph SSE 61%
11 PM 22° Clear 3% 5 mph S 65%
12 AM 22° Clear 3% 5 mph S 68%
1 AM 21° Clear 3% 5 mph S 72%
2 AM 21° Mostly Clear 3% 4 mph S 76%
15-Day Forecast
Today
10/15
Clear
3%
16°
34°
Fri
10/16
Mostly Cloudy
7%
12°
29°
Sat
10/17
Clear
3%
6°
23°
Sun
10/18
Clear
3%
5°
23°
Mon
10/19
Clear
16%
7°
28°
Tue
10/20
Clear
17%
10°
30°
Wed
10/21
Clear
3%
12°
31°
Thu
10/22
Clear
3%
11°
31°
Fri
10/23
Clear
3%
9°
31°
Sat
10/24
Drizzle
51%
13°
31°
Sun
10/25
Drizzle
60%
15°
29°
Mon
10/26
Drizzle
60%
13°
27°
Tue
10/27
Clear
25%
12°
27°
Wed
10/28
Drizzle
60%
12°
27°
Thu
10/29
Drizzle
60%
12°
28°
44
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

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

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
44 AQI 8.0 µg/m³
O3
Ground-level ozone
Dominant
44 AQI 48 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 44 Good 44 44
Fri 53 Moderate 44 53
Sat 42 Good 34 42
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 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Thu Oct 15, 07:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE15 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index9.1
Kinematics
0–6 km Shear12 kt
0–1 km Shear10 kt
Eff. Shear—
0–1 km SRH-40
0–3 km SRH16
Eff. SRH—
Storm Motion153° @ 20 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index3.0
Thermo & Levels
PWAT0.95 in
0–3 km LR2.3 °C/km
700–500 LR6.0 °C/km
Total Totals25.6
LCL976 hPa
LFC—
EL—
Freezing Lvl15,397 ft