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 8:00 PM

Lamar County, Mississippi, United States

Last updated: 9:38 AM CDT  ·  Refresh
29°C
Feels like 32°
Partly Cloudy
▲ 38°  /  ▼ 23°
Wind
6 mph W
Humidity
68%
Dew Point
24°
Pressure
29.72 inHg
Visibility
10 mi
UV Index
7.0
Cloud Cover
42%
Sunrise
6:25 AM
Sunset
7:37 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Lamar County is currently partly cloudy at 29°C. Precipitation is likely — peak probability 65% around 7 PM. Atmospheric instability is elevated (CAPE up to 2101 J/kg) — isolated convective development possible. Sunrise: 6:25AM · Sunset: 7:37PM.

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 8:00 PM
51 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
29°
21%
10 AM
30°
23%
11 AM
31°
23%
12 PM
33°
23%
1 PM
36°
26%
2 PM
36°
29%
3 PM
36°
29%
4 PM
35°
38%
5 PM
32°
44%
6 PM
29°
52%
7 PM
28°
65%
8 PM
27°
64%
9 PM
23°
53%
10 PM
23°
30%
11 PM
23°
23%
12 AM
23°
23%
1 AM
25°
14%
2 AM
24°
14%
3 AM
24°
15%
4 AM
23°
15%
5 AM
23°
15%
6 AM
23°
5%
7 AM
24°
29%
8 AM
26°
39%
7-Day Forecast
Today
38° 23°
Partly Cloudy with a 53% chance of rain.
Wed
39° 23°
Mostly Clear with a 57% chance of rain.
Thu
40° 23°
Clear with a 57% chance of rain.
Fri
38° 23°
Clear with a 71% chance of rain.
Sat
39° 22°
Clear.
Sun
41° 22°
Drizzle, 51% chance.
Mon
39° 22°
Drizzle, 53% chance.
TimeTempConditionsPrecipWindHumidity
Now 29° Partly Cloudy 21% 6 mph W 68%
10 AM 30° Partly Cloudy 23% 6 mph W 61%
11 AM 31° Partly Cloudy 23% 5 mph W 56%
12 PM 33° Partly Cloudy 23% 5 mph WSW 49%
1 PM 36° Partly Cloudy 26% 4 mph WSW 46%
2 PM 36° Partly Cloudy 29% 4 mph SW 45%
3 PM 36° Partly Cloudy 29% 5 mph SW 44%
4 PM 35° Partly Cloudy 38% 4 mph SW 50%
5 PM 32° Partly Cloudy 44% 4 mph W 60%
6 PM 29° Partly Cloudy 52% 3 mph WNW 72%
7 PM 28° Partly Cloudy 65% 4 mph W 79%
8 PM 27° Rain 64% 3 mph NNW 83%
9 PM 23° Mostly Cloudy 53% 3 mph WSW 85%
10 PM 23° Mostly Cloudy 30% 4 mph SSW 87%
11 PM 23° Mostly Cloudy 23% 3 mph SSW 88%
12 AM 23° Mostly Cloudy 23% 3 mph SSW 88%
1 AM 25° Mostly Cloudy 14% 4 mph SW 82%
2 AM 24° Mostly Cloudy 14% 4 mph SW 84%
3 AM 24° Mostly Cloudy 15% 5 mph SW 86%
4 AM 23° Mostly Cloudy 15% 5 mph WSW 88%
5 AM 23° Mostly Cloudy 15% 5 mph WSW 89%
6 AM 23° Partly Cloudy 5% 5 mph WSW 90%
7 AM 24° Partly Cloudy 29% 5 mph WSW 85%
8 AM 26° Partly Cloudy 39% 6 mph W 78%
15-Day Forecast
Today
8/18
Partly Cloudy
53%
23°
38°
Wed
8/19
Mostly Clear
57%
23°
39°
Thu
8/20
Clear
57%
23°
40°
Fri
8/21
Clear
71%
23°
38°
Sat
8/22
Clear
16%
22°
39°
Sun
8/23
Drizzle
51%
22°
41°
Mon
8/24
Drizzle
53%
22°
39°
Tue
8/25
Drizzle
43%
24°
39°
Wed
8/26
Drizzle
44%
24°
39°
Thu
8/27
Drizzle
51%
24°
37°
Fri
8/28
Drizzle
60%
19°
38°
Sat
8/29
Drizzle
60%
21°
37°
Sun
8/30
Drizzle
60%
21°
36°
Mon
8/31
Drizzle
60%
21°
36°
Tue
9/1
Drizzle
60%
21°
37°
51
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
51 AQI 9.3 µg/m³
O3
Ground-level ozone
31 AQI 34 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 51 Moderate 31 51
Thu 46 Good 30 46
Fri 49 Good 24 49
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 Aug 18, 11:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2119 J/kg
MLCAPE625 J/kg
MUCAPE2119 J/kg
SBCIN-147 J/kg
MLCIN-219 J/kg
Lifted Index-5.4
Kinematics
0–6 km Shear1 kt
0–1 km Shear7 kt
Eff. Shear3 kt
0–1 km SRH25
0–3 km SRH10
Eff. SRH10
Storm Motion77° @ 9 kt
0–1 km EHI0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index36.0
Thermo & Levels
PWAT1.94 in
0–3 km LR6.0 °C/km
700–500 LR5.9 °C/km
Total Totals46.8
LCL934 hPa
LFC793 hPa
EL156 hPa
Freezing Lvl15,108 ft