Severe Thunderstorm Watch 8:00 PM Severe Thunderstorm Watch 8:00 PM

Smith County, Mississippi, United States

Last updated: 6:24 PM CDT  ·  Refresh
28°C
Feels like 32°
Heavy Rain
▲ 36°  /  ▼ 21°
Wind
6 mph SW
Humidity
86%
Dew Point
23°
Pressure
29.48 inHg
Visibility
10 mi
UV Index
1.4
Cloud Cover
93%
Sunrise
6:26 AM
Sunset
7:35 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Smith County is currently heavy rain at 28°C. Precipitation is likely — peak probability 76% around 6 PM. Atmospheric instability is elevated (CAPE up to 2207 J/kg) — isolated convective development possible. Sunrise: 6:26AM · Sunset: 7:35PM.

Alerts

Severe Thunderstorm Watch
Expires 8:00 PM
Severe Thunderstorm Watch
Expires 8:00 PM
46 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
28°
76%
7 PM
29°
68%
8 PM
29°
67%
9 PM
24°
50%
10 PM
24°
30%
11 PM
24°
25%
12 AM
23°
17%
1 AM
23°
4%
2 AM
23°
4%
3 AM
23°
4%
4 AM
22°
4%
5 AM
21°
4%
6 AM
21°
3%
7 AM
22°
3%
8 AM
23°
3%
9 AM
27°
3%
10 AM
28°
3%
11 AM
29°
3%
12 PM
31°
3%
1 PM
36°
3%
2 PM
36°
5%
3 PM
37°
7%
4 PM
36°
7%
5 PM
36°
11%
7-Day Forecast
Tonight
36° 21°
Heavy Rain, 76% chance.
Sat
38° 21°
Partly Cloudy.
Sun
37° 22°
Partly Cloudy with a 32% chance of rain.
Mon
34° 22°
Mostly Cloudy with a 60% chance of rain.
Tue
37° 21°
Rain, 45% chance.
Wed
35° 22°
Rain, 83% chance.
Thu
35° 21°
Drizzle, 67% chance.
TimeTempConditionsPrecipWindHumidity
Now 28° Heavy Rain 76% 6 mph SW 86%
7 PM 29° Overcast 68% 8 mph SW 90%
8 PM 29° Overcast 67% 6 mph SW 92%
9 PM 24° Overcast 50% 5 mph WSW 92%
10 PM 24° Overcast 30% 4 mph WSW 93%
11 PM 24° Overcast 25% 4 mph WSW 93%
12 AM 23° Overcast 17% 4 mph W 93%
1 AM 23° Overcast 4% 4 mph W 93%
2 AM 23° Overcast 4% 4 mph W 94%
3 AM 23° Overcast 4% 4 mph WNW 94%
4 AM 22° Overcast 4% 4 mph WNW 94%
5 AM 21° Mostly Cloudy 4% 3 mph WNW 94%
6 AM 21° Mostly Cloudy 3% 3 mph NW 94%
7 AM 22° Mostly Cloudy 3% 3 mph NW 92%
8 AM 23° Partly Cloudy 3% 3 mph NW 85%
9 AM 27° Mostly Cloudy 3% 3 mph NNW 78%
10 AM 28° Partly Cloudy 3% 2 mph NNW 71%
11 AM 29° Partly Cloudy 3% 3 mph NNW 63%
12 PM 31° Partly Cloudy 3% 3 mph NNW 56%
1 PM 36° Partly Cloudy 3% 3 mph N 51%
2 PM 36° Partly Cloudy 5% 3 mph NNW 48%
3 PM 37° Partly Cloudy 7% 4 mph NNW 45%
4 PM 36° Partly Cloudy 7% 4 mph NNW 44%
5 PM 36° Mostly Clear 11% 3 mph N 49%
15-Day Forecast
Today
8/21
Heavy Rain
76%
21°
36°
Sat
8/22
Partly Cloudy
17%
21°
38°
Sun
8/23
Partly Cloudy
32%
22°
37°
Mon
8/24
Mostly Cloudy
60%
22°
34°
Tue
8/25
Rain
45%
21°
37°
Wed
8/26
Rain
83%
22°
35°
Thu
8/27
Drizzle
67%
21°
35°
Fri
8/28
Rain
66%
23°
37°
Sat
8/29
Thunderstorm
47%
21°
38°
Sun
8/30
Drizzle
47%
21°
38°
Mon
8/31
Drizzle
47%
21°
37°
Tue
9/1
Drizzle
60%
23°
38°
Wed
9/2
Drizzle
60%
23°
38°
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
39 AQI 42 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 46 Good 39 46
Sun 42 Good 39 42
Mon 51 Moderate 36 51
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, 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
SBCAPE2017 J/kg
MLCAPE3331 J/kg
MUCAPE4739 J/kg
SBCIN-213 J/kg
MLCIN-79 J/kg
Lifted Index-5.9
Kinematics
0–6 km Shear17 kt
0–1 km Shear9 kt
Eff. Shear22 kt
0–1 km SRH35
0–3 km SRH86
Eff. SRH86
Storm Motion27° @ 15 kt
0–1 km EHI0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell4.6
K-Index33.8
Thermo & Levels
PWAT2.22 in
0–3 km LR5.8 °C/km
700–500 LR6.3 °C/km
Total Totals54.8
LCL933 hPa
LFC790 hPa
EL157 hPa
Freezing Lvl15,144 ft