Heat Advisory — Ashley, AR, Chicot, AR, 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, Leake, MS, Neshoba, MS, Kemper, MS, Scott, MS, Newton, MS, Lauderdale, MS, Smith, MS, Jasper, MS, Clarke, MS, Covington, MS, Jones, MS, Lamar, MS, Forrest, MS 8:00 PM

Smith County, Mississippi, United States

Last updated: 12:45 AM CDT  ·  Refresh
25°C
Feels like 28°
Overcast
▲ 38°  /  ▼ 21°
Wind
6 mph NNE
Humidity
86%
Dew Point
22°
Pressure
29.57 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
90%
Sunrise
6:26 AM
Sunset
7:35 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Smith County is currently overcast at 25°C. Precipitation is likely — peak probability 56% around 5 PM. Atmospheric instability is elevated (CAPE up to 3082 J/kg) — isolated convective development possible. Sunrise: 6:26AM · Sunset: 7:35PM.

46 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
25°
43%
1 AM
25°
40%
2 AM
24°
7%
3 AM
24°
7%
4 AM
24°
16%
5 AM
22°
16%
6 AM
22°
16%
7 AM
23°
16%
8 AM
26°
8%
9 AM
28°
8%
10 AM
30°
16%
11 AM
32°
32%
12 PM
33°
44%
1 PM
36°
49%
2 PM
36°
37%
3 PM
36°
37%
4 PM
34°
56%
5 PM
36°
56%
6 PM
34°
52%
7 PM
33°
52%
8 PM
32°
53%
9 PM
27°
53%
10 PM
25°
31%
11 PM
23°
24%
7-Day Forecast
Today
38° 21°
Drizzle, 52% chance.
Sat
39° 21°
Fog.
Sun
39° 22°
Partly Cloudy with a 72% chance of rain.
Mon
35° 23°
Overcast with a 45% chance of rain.
Tue
38° 22°
Clear with a 30% chance of rain.
Wed
39° 23°
Drizzle, 52% chance.
Thu
37° 21°
Rain, 82% chance.
TimeTempConditionsPrecipWindHumidity
Now 25° Overcast 43% 6 mph NNE 86%
1 AM 25° Overcast 40% 5 mph WNW 88%
2 AM 24° Mostly Cloudy 7% 4 mph WSW 91%
3 AM 24° Partly Cloudy 7% 3 mph SW 94%
4 AM 24° Partly Cloudy 16% 3 mph SSW 93%
5 AM 22° Partly Cloudy 16% 3 mph SSW 92%
6 AM 22° Partly Cloudy 16% 3 mph SW 92%
7 AM 23° Mostly Clear 16% 4 mph SW 86%
8 AM 26° Mostly Clear 8% 4 mph WSW 80%
9 AM 28° Mostly Clear 8% 4 mph WSW 73%
10 AM 30° Mostly Clear 16% 3 mph WSW 66%
11 AM 32° Mostly Clear 32% 3 mph W 60%
12 PM 33° Clear 44% 4 mph WSW 53%
1 PM 36° Mostly Clear 49% 4 mph W 54%
2 PM 36° Mostly Clear 37% 4 mph W 56%
3 PM 36° Partly Cloudy 37% 4 mph WSW 58%
4 PM 34° Partly Cloudy 56% 4 mph SW 63%
5 PM 36° Partly Cloudy 56% 4 mph SSW 69%
6 PM 34° Drizzle 52% 5 mph S 76%
7 PM 33° Drizzle 52% 5 mph S 79%
8 PM 32° Partly Cloudy 53% 5 mph SSW 82%
9 PM 27° Mostly Cloudy 53% 4 mph SW 84%
10 PM 25° Mostly Cloudy 31% 4 mph SW 84%
11 PM 23° Mostly Cloudy 24% 3 mph WSW 90%
15-Day Forecast
Today
8/21
Drizzle
52%
21°
38°
Sat
8/22
Fog
18%
21°
39°
Sun
8/23
Partly Cloudy
72%
22°
39°
Mon
8/24
Overcast
45%
23°
35°
Tue
8/25
Clear
30%
22°
38°
Wed
8/26
Drizzle
52%
23°
39°
Thu
8/27
Rain
82%
21°
37°
Fri
8/28
Drizzle
43%
20°
39°
Sat
8/29
Drizzle
44%
21°
39°
Sun
8/30
Clear
36%
21°
39°
Mon
8/31
Drizzle
60%
23°
39°
Tue
9/1
Drizzle
60%
22°
38°
Wed
9/2
Drizzle
60%
22°
37°
Thu
9/3
Drizzle
60%
22°
38°
Fri
9/4
Drizzle
60%
22°
38°
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 8.3 µg/m³
O3
Ground-level ozone
36 AQI 39 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 46 Good 36 46
Sat 44 Good 39 44
Sun 45 Good 39 45
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
SBCAPE797 J/kg
MLCAPE1830 J/kg
MUCAPE2455 J/kg
SBCIN-252 J/kg
MLCIN-137 J/kg
Lifted Index-2.8
Kinematics
0–6 km Shear8 kt
0–1 km Shear10 kt
Eff. Shear8 kt
0–1 km SRH33
0–3 km SRH65
Eff. SRH57
Storm Motion48° @ 16 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index36.8
Thermo & Levels
PWAT2.23 in
0–3 km LR4.8 °C/km
700–500 LR6.1 °C/km
Total Totals51.1
LCL962 hPa
LFC702 hPa
EL197 hPa
Freezing Lvl14,675 ft