Heat Advisory — Ashley, AR, Chicot, AR, Morehouse, LA, West Carroll, LA, East Carroll, LA, Richland, LA, Madison, LA, Franklin, LA, Catahoula, 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 7:00 PM

Lamar County, Mississippi, United States

Last updated: 6:58 PM CDT  ·  Refresh
34°C
Feels like 37°
Mostly Clear
▲ 38°  /  ▼ 24°
Wind
4 mph SSW
Humidity
48%
Dew Point
21°
Pressure
29.57 inHg
Visibility
10 mi
UV Index
2.4
Cloud Cover
18%
Sunrise
6:22 AM
Sunset
7:43 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Lamar County is currently mostly clear at 34°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2710 J/kg) — isolated convective development possible. Sunrise: 6:22AM · Sunset: 7:43PM.

Alerts

Heat Advisory
Ashley, AR, Chicot, AR, Morehouse, LA, West Carroll, LA, East Carroll, LA, Richland, LA, Madison, LA, Franklin, LA, Catahoula, 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
Expires 7:00 PM
30 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
34°
14%
7 PM
33°
24%
8 PM
31°
24%
9 PM
28°
18%
10 PM
28°
18%
11 PM
27°
8%
12 AM
27°
3%
1 AM
26°
3%
2 AM
26°
3%
3 AM
25°
3%
4 AM
24°
3%
5 AM
24°
3%
6 AM
24°
3%
7 AM
26°
3%
8 AM
27°
3%
9 AM
29°
9%
10 AM
31°
12%
11 AM
32°
12%
12 PM
33°
14%
1 PM
37°
21%
2 PM
37°
21%
3 PM
37°
21%
4 PM
36°
15%
5 PM
35°
16%
7-Day Forecast
Tonight
38° 24°
Mostly Clear.
Thu
39° 24°
Mostly Clear.
Fri
41° 23°
Clear.
Sat
41° 23°
Mostly Clear with a 32% chance of rain.
Sun
42° 24°
Mostly Clear with a 34% chance of rain.
Mon
40° 24°
Drizzle, 52% chance.
Tue
41° 23°
Rain, 66% chance.
TimeTempConditionsPrecipWindHumidity
Now 34° Mostly Clear 14% 4 mph SSW 48%
7 PM 33° Clear 24% 6 mph SSW 56%
8 PM 31° Clear 24% 6 mph SSW 64%
9 PM 28° Clear 18% 6 mph SSW 72%
10 PM 28° Clear 18% 5 mph SSW 75%
11 PM 27° Clear 8% 5 mph SSW 77%
12 AM 27° Clear 3% 6 mph SSW 79%
1 AM 26° Clear 3% 6 mph SW 82%
2 AM 26° Clear 3% 6 mph SW 85%
3 AM 25° Clear 3% 6 mph SW 88%
4 AM 24° Mostly Clear 3% 6 mph WSW 90%
5 AM 24° Clear 3% 5 mph WSW 91%
6 AM 24° Clear 3% 5 mph WSW 92%
7 AM 26° Mostly Clear 3% 6 mph WSW 85%
8 AM 27° Mostly Clear 3% 7 mph WSW 77%
9 AM 29° Mostly Clear 9% 7 mph W 68%
10 AM 31° Partly Cloudy 12% 7 mph W 62%
11 AM 32° Partly Cloudy 12% 6 mph WSW 56%
12 PM 33° Partly Cloudy 14% 6 mph WSW 50%
1 PM 37° Partly Cloudy 21% 6 mph WSW 49%
2 PM 37° Partly Cloudy 21% 6 mph WSW 48%
3 PM 37° Partly Cloudy 21% 6 mph SW 47%
4 PM 36° Partly Cloudy 15% 6 mph SW 49%
5 PM 35° Partly Cloudy 16% 6 mph SSW 52%
15-Day Forecast
Today
8/12
Mostly Clear
18%
24°
38°
Thu
8/13
Mostly Clear
16%
24°
39°
Fri
8/14
Clear
6%
23°
41°
Sat
8/15
Mostly Clear
32%
23°
41°
Sun
8/16
Mostly Clear
34%
24°
42°
Mon
8/17
Drizzle
52%
24°
40°
Tue
8/18
Rain
66%
23°
41°
Wed
8/19
Drizzle
57%
24°
42°
Thu
8/20
Drizzle
53%
22°
42°
Fri
8/21
Mostly Cloudy
35%
23°
43°
Sat
8/22
Drizzle
45%
23°
41°
Sun
8/23
Drizzle
60%
23°
39°
Mon
8/24
Drizzle
60%
23°
39°
Tue
8/25
Drizzle
60%
23°
39°
Wed
8/26
Drizzle
60%
23°
39°
30
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
29 AQI 5.2 µg/m³
O3
Ground-level ozone
Dominant
30 AQI 32 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 30 Good 30 29
Fri 29 Good 21 29
Sat 54 Moderate 26 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 Wed Aug 12, 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
SBCAPE1756 J/kg
MLCAPE1076 J/kg
MUCAPE1756 J/kg
SBCIN-105 J/kg
MLCIN0 J/kg
Lifted Index-3.5
Kinematics
0–6 km Shear8 kt
0–1 km Shear5 kt
Eff. Shear4 kt
0–1 km SRH13
0–3 km SRH17
Eff. SRH17
Storm Motion322° @ 16 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index29.2
Thermo & Levels
PWAT1.59 in
0–3 km LR7.9 °C/km
700–500 LR5.3 °C/km
Total Totals43.8
LCL832 hPa
LFC786 hPa
EL169 hPa
Freezing Lvl16,788 ft