Severe Thunderstorm Watch 8:00 PM Severe Thunderstorm Watch 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, Lamar, MS, Forrest, MS 8:00 PM Excessive Heat Warning — Issaquena, MS, Sharkey, MS, Yazoo, MS, Madison, MS, Warren, MS, Hinds, MS, Rankin, MS, Claiborne, MS, Copiah, MS, Simpson, MS, Jefferson, MS, Adams, MS, Franklin, MS, Lincoln, MS, Lawrence, MS, Jefferson Davis, MS, Marion, MS, Bolivar, MS, Sunflower, MS, Leflore, MS, Washington, MS, Humphreys, MS, Holmes, MS, 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, Lamar, MS, Forrest, MS 8:00 PM

Lamar County, Mississippi, United States

Last updated: 7:17 PM CDT  ·  Refresh
24°C
Feels like 27°
Overcast
▲ 37°  /  ▼ 21°
Wind
6 mph SW
Humidity
93%
Dew Point
22°
Pressure
29.63 inHg
Visibility
10 mi
UV Index
0.3
Cloud Cover
97%
Sunrise
6:27 AM
Sunset
7:34 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Lamar County is currently overcast at 24°C. Precipitation is likely — peak probability 72% around 8 PM. Atmospheric instability is elevated (CAPE up to 2447 J/kg) — isolated convective development possible. Sunrise: 6:27AM · Sunset: 7:34PM.

41 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
47%
8 PM
24°
72%
9 PM
23°
58%
10 PM
23°
32%
11 PM
23°
30%
12 AM
22°
24%
1 AM
23°
7%
2 AM
23°
8%
3 AM
23°
4%
4 AM
23°
4%
5 AM
21°
4%
6 AM
21°
6%
7 AM
22°
6%
8 AM
24°
6%
9 AM
26°
3%
10 AM
28°
3%
11 AM
29°
3%
12 PM
31°
3%
1 PM
32°
3%
2 PM
34°
3%
3 PM
34°
5%
4 PM
34°
5%
5 PM
33°
5%
6 PM
33°
6%
7-Day Forecast
Tonight
37° 21°
Overcast with a 47% chance of rain.
Sat
36° 21°
Mostly Cloudy.
Sun
38° 24°
Partly Cloudy with a 28% chance of rain.
Mon
32° 23°
Partly Cloudy with a 52% chance of rain.
Tue
35° 23°
Partly Cloudy with a 45% chance of rain.
Wed
34° 23°
Thunderstorm, 83% chance.
Thu
33° 23°
Rain, 67% chance.
TimeTempConditionsPrecipWindHumidity
Now 24° Overcast 47% 6 mph SW 93%
8 PM 24° Rain 72% 5 mph SW 94%
9 PM 23° Heavy Rain 58% 4 mph SW 94%
10 PM 23° Overcast 32% 4 mph WSW 95%
11 PM 23° Overcast 30% 4 mph W 95%
12 AM 22° Overcast 24% 3 mph WSW 95%
1 AM 23° Overcast 7% 3 mph WSW 95%
2 AM 23° Overcast 8% 3 mph WSW 95%
3 AM 23° Overcast 4% 4 mph W 95%
4 AM 23° Overcast 4% 4 mph W 95%
5 AM 21° Overcast 4% 3 mph WNW 95%
6 AM 21° Overcast 6% 2 mph WNW 95%
7 AM 22° Overcast 6% 3 mph WNW 93%
8 AM 24° Overcast 6% 4 mph NW 87%
9 AM 26° Overcast 3% 4 mph NW 81%
10 AM 28° Mostly Cloudy 3% 3 mph NNW 75%
11 AM 29° Mostly Cloudy 3% 3 mph NNW 68%
12 PM 31° Partly Cloudy 3% 3 mph NNW 62%
1 PM 32° Partly Cloudy 3% 4 mph NNW 56%
2 PM 34° Partly Cloudy 3% 4 mph N 51%
3 PM 34° Mostly Clear 5% 4 mph N 47%
4 PM 34° Mostly Clear 5% 4 mph N 45%
5 PM 33° Mostly Clear 5% 3 mph N 48%
6 PM 33° Mostly Clear 6% 2 mph NNE 52%
15-Day Forecast
Today
8/21
Overcast
47%
21°
37°
Sat
8/22
Mostly Cloudy
7%
21°
36°
Sun
8/23
Partly Cloudy
28%
24°
38°
Mon
8/24
Partly Cloudy
52%
23°
32°
Tue
8/25
Partly Cloudy
45%
23°
35°
Wed
8/26
Thunderstorm
83%
23°
34°
Thu
8/27
Rain
67%
23°
33°
Fri
8/28
Drizzle
57%
23°
35°
Sat
8/29
Rain
58%
23°
36°
Sun
8/30
Drizzle
47%
23°
37°
Mon
8/31
Clear
26%
23°
36°
Tue
9/1
Drizzle
60%
23°
37°
Wed
9/2
Drizzle
60%
23°
37°
Thu
9/3
Drizzle
60%
23°
36°
Fri
9/4
Drizzle
60%
22°
36°
41
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
41 AQI 7.3 µg/m³
O3
Ground-level ozone
33 AQI 36 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 41 Good 33 41
Sun 40 Good 35 40
Mon 54 Moderate 37 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 Fri Aug 21, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE384 J/kg
MLCAPE1523 J/kg
MUCAPE2848 J/kg
SBCIN-249 J/kg
MLCIN-119 J/kg
Lifted Index-2.0
Kinematics
0–6 km Shear17 kt
0–1 km Shear13 kt
Eff. Shear15 kt
0–1 km SRH64
0–3 km SRH114
Eff. SRH114
Storm Motion34° @ 15 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index40.2
Thermo & Levels
PWAT2.45 in
0–3 km LR4.8 °C/km
700–500 LR5.5 °C/km
Total Totals50.2
LCL979 hPa
LFC721 hPa
EL273 hPa
Freezing Lvl14,898 ft