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: 1:19 AM CDT  ·  Refresh
25°C
Feels like 29°
Mostly Clear
▲ 37°  /  ▼ 24°
Wind
2 mph SW
Humidity
85%
Dew Point
23°
Pressure
29.84 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
19%
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 1913 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%
2 AM
25°
4%
3 AM
25°
4%
4 AM
24°
3%
5 AM
23°
3%
6 AM
23°
3%
7 AM
24°
3%
8 AM
27°
7%
9 AM
29°
7%
10 AM
32°
26%
11 AM
33°
30%
12 PM
35°
35%
1 PM
37°
35%
2 PM
37°
36%
3 PM
36°
31%
4 PM
35°
29%
5 PM
36°
20%
6 PM
34°
20%
7 PM
33°
15%
8 PM
33°
15%
9 PM
29°
15%
10 PM
29°
9%
11 PM
28°
9%
12 AM
28°
9%
7-Day Forecast
Today
37° 24°
Mostly Clear with a 35% chance of rain.
Tue
42° 24°
Mostly Clear with a 57% chance of rain.
Wed
42° 24°
Mostly Clear with a 72% chance of rain.
Thu
39° 23°
Rain, 64% chance.
Fri
39° 23°
Rain, 64% chance.
Sat
39° 23°
Drizzle, 52% chance.
Sun
39° 22°
Thunderstorm, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 25° Mostly Clear 4% 2 mph SW 85%
2 AM 25° Mostly Clear 4% 3 mph SSW 82%
3 AM 25° Partly Cloudy 4% 3 mph SSW 82%
4 AM 24° Partly Cloudy 3% 3 mph SW 84%
5 AM 23° Mostly Clear 3% 3 mph SW 87%
6 AM 23° Mostly Clear 3% 3 mph SW 90%
7 AM 24° Clear 3% 3 mph W 89%
8 AM 27° Mostly Clear 7% 6 mph WNW 79%
9 AM 29° Mostly Clear 7% 6 mph WNW 69%
10 AM 32° Mostly Clear 26% 6 mph WNW 60%
11 AM 33° Mostly Clear 30% 6 mph WNW 52%
12 PM 35° Mostly Clear 35% 5 mph WNW 45%
1 PM 37° Mostly Clear 35% 5 mph W 42%
2 PM 37° Mostly Clear 36% 5 mph WSW 45%
3 PM 36° Partly Cloudy 31% 6 mph SW 48%
4 PM 35° Partly Cloudy 29% 7 mph SW 51%
5 PM 36° Partly Cloudy 20% 6 mph SW 54%
6 PM 34° Partly Cloudy 20% 6 mph SW 58%
7 PM 33° Partly Cloudy 15% 6 mph SW 62%
8 PM 33° Partly Cloudy 15% 6 mph SW 64%
9 PM 29° Partly Cloudy 15% 6 mph SW 66%
10 PM 29° Partly Cloudy 9% 6 mph SSW 67%
11 PM 28° Partly Cloudy 9% 6 mph SW 69%
12 AM 28° Partly Cloudy 9% 6 mph SW 71%
15-Day Forecast
Today
8/17
Mostly Clear
35%
24°
37°
Tue
8/18
Mostly Clear
57%
24°
42°
Wed
8/19
Mostly Clear
72%
24°
42°
Thu
8/20
Rain
64%
23°
39°
Fri
8/21
Rain
64%
23°
39°
Sat
8/22
Drizzle
52%
23°
39°
Sun
8/23
Thunderstorm
63%
22°
39°
Mon
8/24
Thunderstorm
43%
23°
39°
Tue
8/25
Rain
68%
23°
37°
Wed
8/26
Drizzle
60%
23°
38°
Thu
8/27
Drizzle
60%
23°
40°
Fri
8/28
Drizzle
60%
23°
40°
Sat
8/29
Drizzle
60%
22°
39°
Sun
8/30
Drizzle
60%
22°
38°
Mon
8/31
Drizzle
60%
22°
38°
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, 05:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE361 J/kg
MLCAPE417 J/kg
MUCAPE754 J/kg
SBCIN-298 J/kg
MLCIN-192 J/kg
Lifted Index-1.1
Kinematics
0–6 km Shear5 kt
0–1 km Shear12 kt
Eff. Shear20 kt
0–1 km SRH25
0–3 km SRH97
Eff. SRH149
Storm Motion134° @ 14 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell1.2
K-Index32.3
Thermo & Levels
PWAT2.10 in
0–3 km LR4.8 °C/km
700–500 LR5.3 °C/km
Total Totals45.5
LCL974 hPa
LFC746 hPa
EL243 hPa
Freezing Lvl16,788 ft