Excessive Heat Warning — Adams, MS, Grenada, MS, Carroll, MS, Holmes, MS, Issaquena, MS, Sharkey, MS, Yazoo, MS, Madison, MS, Warren, MS, Hinds, MS, Rankin, MS, Claiborne, MS, Copiah, MS, Simpson, MS, Jefferson, MS, Bolivar, MS, Sunflower, MS, Leflore, MS, Washington, MS, Humphreys, 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, Newton, MS, Lauderdale, MS, Scott, MS, Smith, MS, Jasper, MS, Clarke, MS, Franklin, MS, Lincoln, MS, Lawrence, MS, Jefferson Davis, MS, Covington, MS, Jones, MS, Marion, MS, Lamar, MS, Forrest, MS 9:00 PM

Smith County, Mississippi, United States

Last updated: 9:40 PM CDT  ·  Refresh
29°C
Feels like 33°
Mostly Clear
▲ 35°  /  ▼ 23°
Wind
3 mph NNE
Humidity
70%
Dew Point
23°
Pressure
29.43 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
27%
Sunrise
6:05 AM
Sunset
8:02 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Smith County is currently mostly clear at 29°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1572 J/kg) — isolated convective development possible. Sunrise: 6:05AM · Sunset: 8:02PM.

Alerts

Excessive Heat Warning
Adams, MS, Grenada, MS, Carroll, MS, Holmes, MS, Issaquena, MS, Sharkey, MS, Yazoo, MS, Madison, MS, Warren, MS, Hinds, MS, Rankin, MS, Claiborne, MS, Copiah, MS, Simpson, MS, Jefferson, MS, Bolivar, MS, Sunflower, MS, Leflore, MS, Washington, MS, Humphreys, 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, Newton, MS, Lauderdale, MS, Scott, MS, Smith, MS, Jasper, MS, Clarke, MS, Franklin, MS, Lincoln, MS, Lawrence, MS, Jefferson Davis, MS, Covington, MS, Jones, MS, Marion, MS, Lamar, MS, Forrest, MS
Expires 9:00 PM
63 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
29°
8%
10 PM
28°
29%
11 PM
28°
29%
12 AM
27°
30%
1 AM
27°
18%
2 AM
26°
8%
3 AM
26°
8%
4 AM
25°
8%
5 AM
23°
8%
6 AM
23°
8%
7 AM
24°
8%
8 AM
26°
8%
9 AM
29°
8%
10 AM
30°
8%
11 AM
32°
8%
12 PM
33°
8%
1 PM
34°
9%
2 PM
35°
5%
3 PM
35°
5%
4 PM
36°
5%
5 PM
36°
5%
6 PM
35°
3%
7 PM
34°
3%
8 PM
33°
3%
7-Day Forecast
Tonight
35° 23°
Mostly Clear.
Tue
36° 23°
Mostly Clear with a 30% chance of rain.
Wed
37° 22°
Partly Cloudy.
Thu
34° 23°
Partly Cloudy with a 73% chance of rain.
Fri
36° 23°
Drizzle, 50% chance.
Sat
36° 23°
Rain, 70% chance.
Sun
36° 21°
Rain, 64% chance.
TimeTempConditionsPrecipWindHumidity
Now 29° Mostly Clear 8% 3 mph NNE 70%
10 PM 28° Partly Cloudy 29% 3 mph NE 73%
11 PM 28° Mostly Clear 29% 3 mph NE 75%
12 AM 27° Mostly Clear 30% 2 mph ENE 77%
1 AM 27° Partly Cloudy 18% 3 mph E 78%
2 AM 26° Partly Cloudy 8% 3 mph E 79%
3 AM 26° Partly Cloudy 8% 3 mph ESE 80%
4 AM 25° Mostly Clear 8% 3 mph ESE 81%
5 AM 23° Mostly Clear 8% 3 mph ESE 82%
6 AM 23° Mostly Clear 8% 3 mph ESE 82%
7 AM 24° Mostly Clear 8% 3 mph ESE 79%
8 AM 26° Mostly Clear 8% 3 mph E 73%
9 AM 29° Mostly Clear 8% 4 mph ENE 67%
10 AM 30° Mostly Clear 8% 4 mph ENE 62%
11 AM 32° Mostly Clear 8% 5 mph NE 58%
12 PM 33° Mostly Clear 8% 6 mph NE 53%
1 PM 34° Mostly Clear 9% 7 mph NE 51%
2 PM 35° Mostly Clear 5% 8 mph NE 50%
3 PM 35° Mostly Clear 5% 8 mph NE 49%
4 PM 36° Mostly Clear 5% 8 mph NE 50%
5 PM 36° Mostly Clear 5% 7 mph NE 54%
6 PM 35° Clear 3% 7 mph NE 57%
7 PM 34° Mostly Clear 3% 7 mph NE 60%
8 PM 33° Mostly Clear 3% 6 mph ENE 63%
15-Day Forecast
Today
7/20
Mostly Clear
8%
23°
35°
Tue
7/21
Mostly Clear
30%
23°
36°
Wed
7/22
Partly Cloudy
17%
22°
37°
Thu
7/23
Partly Cloudy
73%
23°
34°
Fri
7/24
Drizzle
50%
23°
36°
Sat
7/25
Rain
70%
23°
36°
Sun
7/26
Rain
64%
21°
36°
Mon
7/27
Rain
41%
23°
37°
Tue
7/28
Drizzle
44%
24°
37°
Wed
7/29
Drizzle
44%
23°
38°
Thu
7/30
Drizzle
51%
23°
36°
Fri
7/31
Drizzle
60%
22°
35°
Sat
8/1
Drizzle
60%
22°
36°
Sun
8/2
Drizzle
60%
23°
36°
Mon
8/3
Drizzle
60%
22°
35°
63
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
63 AQI 15.6 µg/m³
O3
Ground-level ozone
24 AQI 27 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 63 Moderate 24 63
Wed 56 Moderate 25 56
Thu 42 Good 27 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 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Tue Jul 21, 01:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1560 J/kg
MLCAPE948 J/kg
MUCAPE1560 J/kg
SBCIN-138 J/kg
MLCIN0 J/kg
Lifted Index-3.7
Kinematics
0–6 km Shear24 kt
0–1 km Shear4 kt
Eff. Shear22 kt
0–1 km SRH-19
0–3 km SRH-37
Eff. SRH-37
Storm Motion351° @ 21 kt
0–1 km EHI-0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.5
Thermo & Levels
PWAT2.05 in
0–3 km LR6.2 °C/km
700–500 LR5.2 °C/km
Total Totals45.9
LCL915 hPa
LFC831 hPa
EL156 hPa
Freezing Lvl16,680 ft