Heat Advisory — Ashley, AR, Chicot, AR, 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, Leake, MS, Neshoba, MS, Kemper, MS, Scott, MS, Newton, MS, Lauderdale, MS, Smith, MS, Jasper, MS, Clarke, MS, Covington, MS, Jones, MS, Lamar, MS, Forrest, MS 8:00 PM

Lamar County, Mississippi, United States

Last updated: 11:29 PM CDT  ·  Refresh
26°C
Feels like 29°
Mostly Cloudy
▲ 35°  /  ▼ 22°
Wind
5 mph N
Humidity
90%
Dew Point
23°
Pressure
29,67 inHg
Visibility
10 mi
UV Index
0,0
Cloud Cover
62%
Sunrise
6:27 AM
Sunset
7:35 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Lamar County is currently mostly cloudy at 25°C. Precipitation is likely — peak probability 62% around 9 PM. Atmospheric instability is elevated (CAPE up to 2953 J/kg) — isolated convective development possible. Sunrise: 6:27AM · Sunset: 7:35PM.

Alerts

Heat Advisory
Ashley, AR, Chicot, AR, 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, Leake, MS, Neshoba, MS, Kemper, MS, Scott, MS, Newton, MS, Lauderdale, MS, Smith, MS, Jasper, MS, Clarke, MS, Covington, MS, Jones, MS, Lamar, MS, Forrest, MS
Expires 8:00 PM
39 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
12%
12 AM
24°
20%
1 AM
25°
9%
2 AM
24°
6%
3 AM
24°
7%
4 AM
24°
7%
5 AM
22°
8%
6 AM
22°
13%
7 AM
24°
21%
8 AM
26°
21%
9 AM
28°
29%
10 AM
29°
38%
11 AM
31°
42%
12 PM
32°
42%
1 PM
34°
50%
2 PM
34°
51%
3 PM
33°
51%
4 PM
33°
52%
5 PM
32°
53%
6 PM
31°
53%
7 PM
30°
54%
8 PM
30°
54%
9 PM
26°
61%
10 PM
24°
43%
7-Day Forecast
Tonight
35° 22°
Mostly Cloudy.
Fri
36° 22°
Partly Cloudy with a 53% chance of rain.
Sat
37° 21°
Partly Cloudy.
Sun
38° 24°
Partly Cloudy with a 62% chance of rain.
Mon
35° 24°
Rain, 64% chance.
Tue
37° 23°
Rain, 70% chance.
Wed
37° 23°
Rain, 70% chance.
TimeTempConditionsPrecipWindHumidity
Now 26° Mostly Cloudy 12% 5 mph N 90%
12 AM 24° Partly Cloudy 20% 3 mph E 92%
1 AM 25° Partly Cloudy 9% 3 mph SE 92%
2 AM 24° Partly Cloudy 6% 3 mph SSE 92%
3 AM 24° Mostly Clear 7% 3 mph SSW 92%
4 AM 24° Mostly Clear 7% 2 mph SW 91%
5 AM 22° Mostly Clear 8% 2 mph SW 90%
6 AM 22° Clear 13% 3 mph SW 89%
7 AM 24° Mostly Clear 21% 3 mph WSW 86%
8 AM 26° Mostly Clear 21% 4 mph W 79%
9 AM 28° Clear 29% 4 mph W 72%
10 AM 29° Mostly Clear 38% 4 mph W 65%
11 AM 31° Mostly Clear 42% 3 mph W 59%
12 PM 32° Partly Cloudy 42% 3 mph WNW 52%
1 PM 34° Partly Cloudy 50% 3 mph WNW 50%
2 PM 34° Partly Cloudy 51% 3 mph WNW 52%
3 PM 33° Partly Cloudy 51% 4 mph NNW 54%
4 PM 33° Partly Cloudy 52% 4 mph ESE 58%
5 PM 32° Rain 53% 4 mph SSE 65%
6 PM 31° Rain 53% 4 mph S 72%
7 PM 30° Rain 54% 5 mph S 77%
8 PM 30° Rain 54% 4 mph SSW 79%
9 PM 26° Drizzle 61% 5 mph SW 81%
10 PM 24° Overcast 43% 5 mph SW 83%
15-Day Forecast
Today
8/20
Mostly Cloudy
12%
22°
35°
Fri
8/21
Partly Cloudy
53%
22°
36°
Sat
8/22
Partly Cloudy
17%
21°
37°
Sun
8/23
Partly Cloudy
62%
24°
38°
Mon
8/24
Rain
64%
24°
35°
Tue
8/25
Rain
70%
23°
37°
Wed
8/26
Rain
70%
23°
37°
Thu
8/27
Rain
72%
22°
34°
Fri
8/28
Drizzle
44%
22°
37°
Sat
8/29
Drizzle
44%
23°
38°
Sun
8/30
Clear
60%
23°
37°
Mon
8/31
Drizzle
60%
23°
37°
Tue
9/1
Drizzle
60%
23°
37°
Wed
9/2
Drizzle
60%
23°
36°
Thu
9/3
Drizzle
60%
22°
36°
39
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
39 AQI 7.1 µg/m³
O3
Ground-level ozone
33 AQI 36 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 39 Good 33 39
Sat 38 Good 31 38
Sun 41 Good 31 41
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 ven. août 21, 03:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1123 J/kg
MLCAPE1377 J/kg
MUCAPE1610 J/kg
SBCIN-262 J/kg
MLCIN-199 J/kg
Lifted Index-4.0
Kinematics
0–6 km Shear9 kt
0–1 km Shear11 kt
Eff. Shear6 kt
0–1 km SRH-19
0–3 km SRH9
Eff. SRH-10
Storm Motion88° @ 14 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index33.7
Thermo & Levels
PWAT2.11 in
0–3 km LR4.6 °C/km
700–500 LR6.4 °C/km
Total Totals47.6
LCL970 hPa
LFC705 hPa
EL180 hPa
Freezing Lvl15,043 ft