Extreme Heat Warning — Chicot, AR, West Carroll, LA, East Carroll, LA, Madison, 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

Marion County, Mississippi, United States

Last updated: 2:46 AM CDT  ·  Refresh
25°C
Feels like 29°
Mostly Clear
▲ 38°  /  ▼ 24°
Wind
3 mph SSW
Humidity
84%
Dew Point
22°
Pressure
29.84 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
15%
Sunrise
6:26 AM
Sunset
7:39 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Marion County is currently mostly clear at 25°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1923 J/kg) — isolated convective development possible. Sunrise: 6:26AM · Sunset: 7:39PM.

52 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
25°
4%
3 AM
25°
4%
4 AM
24°
3%
5 AM
23°
3%
6 AM
23°
3%
7 AM
26°
7%
8 AM
28°
7%
9 AM
31°
15%
10 AM
32°
27%
11 AM
34°
33%
12 PM
36°
33%
1 PM
37°
33%
2 PM
37°
30%
3 PM
36°
28%
4 PM
35°
19%
5 PM
35°
20%
6 PM
34°
14%
7 PM
33°
14%
8 PM
32°
18%
9 PM
29°
19%
10 PM
29°
9%
11 PM
28°
9%
12 AM
28°
9%
1 AM
28°
9%
7-Day Forecast
Today
38° 24°
Mostly Clear with a 33% chance of rain.
Tue
42° 24°
Mostly Clear with a 57% chance of rain.
Wed
42° 24°
Clear with a 78% chance of rain.
Thu
38° 23°
Mostly Clear with a 64% chance of rain.
Fri
39° 23°
Rain, 64% chance.
Sat
39° 23°
Drizzle, 52% chance.
Sun
40° 22°
Thunderstorm, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 25° Mostly Clear 4% 3 mph SSW 84%
3 AM 25° Partly Cloudy 4% 3 mph SSW 82%
4 AM 24° Partly Cloudy 3% 3 mph SSW 84%
5 AM 23° Mostly Clear 3% 3 mph SW 88%
6 AM 23° Clear 3% 3 mph WSW 91%
7 AM 26° Mostly Clear 7% 5 mph W 84%
8 AM 28° Mostly Clear 7% 6 mph WNW 74%
9 AM 31° Mostly Clear 15% 6 mph WNW 64%
10 AM 32° Mostly Clear 27% 6 mph WNW 56%
11 AM 34° Mostly Clear 33% 6 mph WNW 49%
12 PM 36° Mostly Clear 33% 6 mph WNW 42%
1 PM 37° Mostly Clear 33% 5 mph W 43%
2 PM 37° Mostly Clear 30% 6 mph WSW 46%
3 PM 36° Partly Cloudy 28% 7 mph SW 49%
4 PM 35° Partly Cloudy 19% 7 mph SW 52%
5 PM 35° Partly Cloudy 20% 6 mph SW 56%
6 PM 34° Partly Cloudy 14% 6 mph SW 60%
7 PM 33° Partly Cloudy 14% 6 mph SW 63%
8 PM 32° Partly Cloudy 18% 6 mph SW 65%
9 PM 29° Partly Cloudy 19% 6 mph SW 66%
10 PM 29° Partly Cloudy 9% 6 mph SW 68%
11 PM 28° Partly Cloudy 9% 6 mph SW 70%
12 AM 28° Mostly Clear 9% 6 mph SW 72%
1 AM 28° Mostly Clear 9% 6 mph SW 74%
15-Day Forecast
Today
8/17
Mostly Clear
33%
24°
38°
Tue
8/18
Mostly Clear
57%
24°
42°
Wed
8/19
Clear
78%
24°
42°
Thu
8/20
Mostly Clear
64%
23°
38°
Fri
8/21
Rain
64%
23°
39°
Sat
8/22
Drizzle
52%
23°
39°
Sun
8/23
Thunderstorm
63%
22°
40°
Mon
8/24
Thunderstorm
43%
23°
39°
Tue
8/25
Rain
68%
23°
38°
Wed
8/26
Drizzle
60%
23°
37°
Thu
8/27
Drizzle
60%
23°
39°
Fri
8/28
Drizzle
60%
23°
38°
Sat
8/29
Rain
90%
22°
39°
Sun
8/30
Drizzle
60%
22°
38°
Mon
8/31
Drizzle
60%
22°
37°
52
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
52 AQI 9.8 µg/m³
O3
Ground-level ozone
26 AQI 28 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 52 Moderate 26 52
Tue 52 Moderate 29 52
Wed 51 Moderate 28 51
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 Mon Aug 17, 06:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE239 J/kg
MLCAPE432 J/kg
MUCAPE967 J/kg
SBCIN-339 J/kg
MLCIN-206 J/kg
Lifted Index-1.1
Kinematics
0–6 km Shear4 kt
0–1 km Shear12 kt
Eff. Shear22 kt
0–1 km SRH23
0–3 km SRH89
Eff. SRH145
Storm Motion149° @ 13 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell1.6
K-Index31.0
Thermo & Levels
PWAT2.10 in
0–3 km LR4.5 °C/km
700–500 LR5.7 °C/km
Total Totals46.6
LCL974 hPa
LFC661 hPa
EL276 hPa
Freezing Lvl16,503 ft