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

Marion County, Mississippi, United States

Last updated: 9:41 PM CDT  ·  Refresh
29°C
Feels like 34°
Clear
▲ 36°  /  ▼ 23°
Wind
3 mph N
Humidity
72%
Dew Point
23°
Pressure
29.65 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
6%
Sunrise
6:08 AM
Sunset
8:02 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Marion County is currently clear at 29°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1641 J/kg) — isolated convective development possible. Sunrise: 6:08AM · Sunset: 8:02PM.

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°
13%
10 PM
28°
23%
11 PM
28°
23%
12 AM
27°
16%
1 AM
27°
11%
2 AM
26°
12%
3 AM
26°
12%
4 AM
25°
17%
5 AM
24°
21%
6 AM
24°
16%
7 AM
25°
16%
8 AM
27°
16%
9 AM
29°
11%
10 AM
31°
5%
11 AM
32°
5%
12 PM
33°
5%
1 PM
34°
5%
2 PM
35°
5%
3 PM
35°
5%
4 PM
36°
5%
5 PM
36°
5%
6 PM
36°
5%
7 PM
34°
5%
8 PM
34°
5%
7-Day Forecast
Tonight
36° 23°
Clear.
Tue
36° 24°
Mostly Clear.
Wed
37° 23°
Partly Cloudy with a 24% chance of rain.
Thu
36° 25°
Mostly Cloudy with a 69% chance of rain.
Fri
36° 24°
Drizzle, 50% chance.
Sat
36° 23°
Rain, 70% chance.
Sun
36° 22°
Drizzle, 52% chance.
TimeTempConditionsPrecipWindHumidity
Now 29° Clear 13% 3 mph N 72%
10 PM 28° Clear 23% 2 mph NNW 76%
11 PM 28° Partly Cloudy 23% 2 mph N 76%
12 AM 27° Mostly Cloudy 16% 3 mph N 76%
1 AM 27° Mostly Cloudy 11% 2 mph NNE 77%
2 AM 26° Partly Cloudy 12% 2 mph NE 78%
3 AM 26° Mostly Clear 12% 3 mph ENE 80%
4 AM 25° Mostly Clear 17% 3 mph ENE 81%
5 AM 24° Mostly Clear 21% 3 mph ENE 82%
6 AM 24° Mostly Clear 16% 3 mph ENE 82%
7 AM 25° Mostly Clear 16% 4 mph ENE 78%
8 AM 27° Mostly Clear 16% 4 mph NE 73%
9 AM 29° Mostly Clear 11% 4 mph NE 68%
10 AM 31° Mostly Clear 5% 4 mph NNE 63%
11 AM 32° Mostly Clear 5% 6 mph NNE 58%
12 PM 33° Partly Cloudy 5% 7 mph NNE 54%
1 PM 34° Partly Cloudy 5% 7 mph N 52%
2 PM 35° Partly Cloudy 5% 7 mph N 52%
3 PM 35° Partly Cloudy 5% 7 mph N 52%
4 PM 36° Partly Cloudy 5% 7 mph NNE 54%
5 PM 36° Mostly Clear 5% 6 mph NNE 56%
6 PM 36° Mostly Clear 5% 6 mph NNE 59%
7 PM 34° Mostly Clear 5% 6 mph NNE 61%
8 PM 34° Mostly Clear 5% 6 mph NNE 63%
15-Day Forecast
Today
7/20
Clear
13%
23°
36°
Tue
7/21
Mostly Clear
16%
24°
36°
Wed
7/22
Partly Cloudy
24%
23°
37°
Thu
7/23
Mostly Cloudy
69%
25°
36°
Fri
7/24
Drizzle
50%
24°
36°
Sat
7/25
Rain
70%
23°
36°
Sun
7/26
Drizzle
52%
22°
36°
Mon
7/27
Clear
31%
23°
37°
Tue
7/28
Drizzle
44%
24°
37°
Wed
7/29
Drizzle
44%
23°
38°
Thu
7/30
Drizzle
60%
23°
37°
Fri
7/31
Drizzle
60%
23°
36°
Sat
8/1
Drizzle
60%
22°
36°
Sun
8/2
Drizzle
60%
23°
37°
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 15.0 µg/m³
O3
Ground-level ozone
26 AQI 29 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 62 Moderate 26 62
Wed 58 Moderate 24 58
Thu 44 Good 28 44
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
SBCAPE1113 J/kg
MLCAPE955 J/kg
MUCAPE1800 J/kg
SBCIN-164 J/kg
MLCIN0 J/kg
Lifted Index-3.1
Kinematics
0–6 km Shear25 kt
0–1 km Shear11 kt
Eff. Shear25 kt
0–1 km SRH-48
0–3 km SRH-48
Eff. SRH-48
Storm Motion356° @ 23 kt
0–1 km EHI-0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.5
Thermo & Levels
PWAT2.10 in
0–3 km LR6.3 °C/km
700–500 LR5.1 °C/km
Total Totals46.6
LCL916 hPa
LFC813 hPa
EL174 hPa
Freezing Lvl16,821 ft