Extreme Heat Warning — Chicot, AR, West Carroll, LA, East Carroll, LA, Madison, 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, Simpson, MS, Smith, MS, Jasper, MS, Clarke, MS, Jefferson, MS, Adams, MS, Franklin, MS, Lincoln, MS, Lawrence, MS, Jefferson Davis, MS, Covington, MS, Jones, MS, Marion, MS, Lamar, MS, Forrest, MS 8:00 PM Heat Advisory — Grenada, MS, Carroll, MS, Montgomery, MS, Webster, MS, Clay, MS, Lowndes, MS, Choctaw, MS, Oktibbeha, 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, Forrest, MS 8:00 PM

Smith County, Mississippi, United States

Last updated: 1:17 AM CDT  ·  Refresh
27°C
Feels like 31°
Mostly Clear
▲ 38°  /  ▼ 24°
Wind
4 mph WSW
Humidity
80%
Dew Point
23°
Pressure
29.60 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
19%
Sunrise
6:23 AM
Sunset
7:39 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Smith County is currently mostly clear at 27°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1792 J/kg) — isolated convective development possible. Sunrise: 6:23AM · Sunset: 7:39PM.

55 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
8%
2 AM
26°
7%
3 AM
26°
4%
4 AM
26°
4%
5 AM
24°
4%
6 AM
24°
3%
7 AM
24°
3%
8 AM
26°
3%
9 AM
29°
3%
10 AM
32°
5%
11 AM
33°
5%
12 PM
35°
5%
1 PM
38°
5%
2 PM
38°
5%
3 PM
38°
5%
4 PM
38°
5%
5 PM
38°
8%
6 PM
37°
8%
7 PM
36°
8%
8 PM
34°
14%
9 PM
29°
14%
10 PM
29°
14%
11 PM
29°
14%
12 AM
28°
9%
7-Day Forecast
Today
38° 24°
Mostly Clear.
Tue
42° 24°
Mostly Clear with a 51% chance of rain.
Wed
42° 24°
Mostly Clear with a 57% chance of rain.
Thu
39° 23°
Rain, 64% chance.
Fri
38° 21°
Rain, 64% chance.
Sat
38° 21°
Drizzle, 52% chance.
Sun
39° 21°
Thunderstorm, 41% chance.
TimeTempConditionsPrecipWindHumidity
Now 27° Mostly Clear 8% 4 mph WSW 80%
2 AM 26° Mostly Clear 7% 5 mph WSW 80%
3 AM 26° Clear 4% 5 mph WSW 80%
4 AM 26° Mostly Clear 4% 5 mph WSW 81%
5 AM 24° Mostly Clear 4% 5 mph WSW 83%
6 AM 24° Mostly Clear 3% 5 mph WSW 84%
7 AM 24° Partly Cloudy 3% 6 mph WSW 83%
8 AM 26° Partly Cloudy 3% 7 mph W 76%
9 AM 29° Partly Cloudy 3% 7 mph W 68%
10 AM 32° Partly Cloudy 5% 7 mph WNW 61%
11 AM 33° Mostly Clear 5% 7 mph WNW 52%
12 PM 35° Mostly Clear 5% 7 mph WNW 45%
1 PM 38° Clear 5% 7 mph WNW 39%
2 PM 38° Mostly Clear 5% 7 mph WNW 37%
3 PM 38° Mostly Clear 5% 6 mph WNW 35%
4 PM 38° Mostly Clear 5% 6 mph WNW 35%
5 PM 38° Mostly Clear 8% 6 mph W 41%
6 PM 37° Partly Cloudy 8% 6 mph W 47%
7 PM 36° Partly Cloudy 8% 6 mph WSW 52%
8 PM 34° Partly Cloudy 14% 5 mph WSW 56%
9 PM 29° Mostly Clear 14% 5 mph SW 60%
10 PM 29° Mostly Clear 14% 5 mph SW 62%
11 PM 29° Mostly Clear 14% 4 mph WSW 62%
12 AM 28° Partly Cloudy 9% 4 mph WSW 63%
15-Day Forecast
Today
8/17
Mostly Clear
8%
24°
38°
Tue
8/18
Mostly Clear
51%
24°
42°
Wed
8/19
Mostly Clear
57%
24°
42°
Thu
8/20
Rain
64%
23°
39°
Fri
8/21
Rain
64%
21°
38°
Sat
8/22
Drizzle
52%
21°
38°
Sun
8/23
Thunderstorm
41%
21°
39°
Mon
8/24
Thunderstorm
43%
22°
39°
Tue
8/25
Rain
68%
23°
37°
Wed
8/26
Drizzle
60%
22°
38°
Thu
8/27
Drizzle
60%
23°
39°
Fri
8/28
Drizzle
60%
22°
39°
Sat
8/29
Drizzle
60%
22°
38°
Sun
8/30
Drizzle
60%
22°
37°
Mon
8/31
Drizzle
60%
22°
37°
55
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
55 AQI 11.5 µg/m³
O3
Ground-level ozone
27 AQI 30 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 55 Moderate 27 55
Tue 54 Moderate 37 54
Wed 54 Moderate 36 54
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 Mon Aug 17, 05:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE685 J/kg
MLCAPE909 J/kg
MUCAPE1273 J/kg
SBCIN-292 J/kg
MLCIN-179 J/kg
Lifted Index-1.7
Kinematics
0–6 km Shear4 kt
0–1 km Shear7 kt
Eff. Shear18 kt
0–1 km SRH18
0–3 km SRH73
Eff. SRH117
Storm Motion136° @ 12 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index30.7
Thermo & Levels
PWAT1.94 in
0–3 km LR5.1 °C/km
700–500 LR5.4 °C/km
Total Totals46.4
LCL944 hPa
LFC710 hPa
EL204 hPa
Freezing Lvl16,437 ft