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

Lamar County, Mississippi, United States

Last updated: 9:41 PM CDT  ·  Refresh
29°C
Feels like 33°
Mostly Clear
▲ 36°  /  ▼ 23°
Wind
2 mph NNE
Humidity
71%
Dew Point
24°
Pressure
29.51 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
16%
Sunrise
6:07 AM
Sunset
8:01 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Lamar County is currently mostly clear at 29°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1950 J/kg) — isolated convective development possible. Sunrise: 6:07AM · Sunset: 8:01PM.

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
62 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
29°
4%
10 PM
27°
23%
11 PM
27°
23%
12 AM
27°
16%
1 AM
27°
4%
2 AM
26°
4%
3 AM
25°
4%
4 AM
24°
4%
5 AM
24°
4%
6 AM
24°
5%
7 AM
24°
5%
8 AM
26°
5%
9 AM
29°
5%
10 AM
31°
5%
11 AM
32°
5%
12 PM
33°
5%
1 PM
35°
5%
2 PM
35°
5%
3 PM
36°
5%
4 PM
37°
5%
5 PM
36°
5%
6 PM
36°
5%
7 PM
34°
5%
8 PM
34°
5%
7-Day Forecast
Tonight
36° 23°
Mostly Clear.
Tue
37° 24°
Mostly Clear.
Wed
36° 23°
Partly Cloudy with a 55% chance of rain.
Thu
35° 24°
Mostly Cloudy with a 69% chance of rain.
Fri
36° 24°
Drizzle, 50% chance.
Sat
36° 23°
Rain, 70% chance.
Sun
37° 22°
Drizzle, 52% chance.
TimeTempConditionsPrecipWindHumidity
Now 29° Mostly Clear 4% 2 mph NNE 71%
10 PM 27° Clear 23% 3 mph NNE 76%
11 PM 27° Mostly Clear 23% 2 mph NNE 76%
12 AM 27° Mostly Cloudy 16% 3 mph NE 76%
1 AM 27° Partly Cloudy 4% 3 mph NE 76%
2 AM 26° Mostly Clear 4% 3 mph ENE 77%
3 AM 25° Mostly Clear 4% 3 mph E 78%
4 AM 24° Clear 4% 3 mph ENE 79%
5 AM 24° Mostly Clear 4% 3 mph NE 81%
6 AM 24° Mostly Clear 5% 3 mph NE 82%
7 AM 24° Mostly Clear 5% 4 mph NE 78%
8 AM 26° Mostly Clear 5% 5 mph NE 72%
9 AM 29° Mostly Clear 5% 6 mph NE 66%
10 AM 31° Clear 5% 6 mph NNE 60%
11 AM 32° Clear 5% 8 mph NNE 55%
12 PM 33° Clear 5% 9 mph NNE 50%
1 PM 35° Mostly Clear 5% 9 mph NNE 48%
2 PM 35° Mostly Clear 5% 10 mph NNE 47%
3 PM 36° Mostly Clear 5% 10 mph NNE 46%
4 PM 37° Mostly Clear 5% 10 mph NNE 48%
5 PM 36° Mostly Clear 5% 9 mph NE 52%
6 PM 36° Mostly Clear 5% 9 mph NE 56%
7 PM 34° Mostly Clear 5% 8 mph NE 60%
8 PM 34° Mostly Clear 5% 8 mph NE 63%
15-Day Forecast
Today
7/20
Mostly Clear
4%
23°
36°
Tue
7/21
Mostly Clear
16%
24°
37°
Wed
7/22
Partly Cloudy
55%
23°
36°
Thu
7/23
Mostly Cloudy
69%
24°
35°
Fri
7/24
Drizzle
50%
24°
36°
Sat
7/25
Rain
70%
23°
36°
Sun
7/26
Drizzle
52%
22°
37°
Mon
7/27
Drizzle
53%
24°
38°
Tue
7/28
Drizzle
44%
24°
37°
Wed
7/29
Drizzle
44%
24°
38°
Thu
7/30
Drizzle
60%
23°
38°
Fri
7/31
Drizzle
60%
23°
36°
Sat
8/1
Drizzle
60%
23°
36°
Sun
8/2
Drizzle
60%
23°
36°
Mon
8/3
Drizzle
60%
23°
35°
62
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
62 AQI 14.9 µg/m³
O3
Ground-level ozone
24 AQI 27 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 62 Moderate 24 62
Wed 55 Moderate 27 55
Thu 43 Good 30 43
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
SBCAPE1494 J/kg
MLCAPE867 J/kg
MUCAPE1494 J/kg
SBCIN-148 J/kg
MLCIN0 J/kg
Lifted Index-3.8
Kinematics
0–6 km Shear26 kt
0–1 km Shear10 kt
Eff. Shear25 kt
0–1 km SRH-58
0–3 km SRH-58
Eff. SRH-58
Storm Motion356° @ 24 kt
0–1 km EHI-0.5
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.2
Thermo & Levels
PWAT1.94 in
0–3 km LR6.2 °C/km
700–500 LR5.1 °C/km
Total Totals45.8
LCL922 hPa
LFC818 hPa
EL162 hPa
Freezing Lvl16,742 ft