Heat Advisory — Ashley, AR, Chicot, AR, Morehouse, LA, West Carroll, LA, East Carroll, LA, Richland, LA, Madison, LA, Franklin, LA, Catahoula, 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: 9:38 AM CDT  ·  Refresh
29°C
Feels like 33°
Partly Cloudy
▲ 38°  /  ▼ 24°
Wind
5 mph WNW
Humidity
67%
Dew Point
23°
Pressure
29.86 inHg
Visibility
10 mi
UV Index
7.0
Cloud Cover
42%
Sunrise
6:26 AM
Sunset
7:38 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Marion County is currently partly cloudy at 29°C. Precipitation is likely — peak probability 61% around 7 PM. Atmospheric instability is elevated (CAPE up to 1674 J/kg) — isolated convective development possible. Sunrise: 6:26AM · Sunset: 7:38PM.

Alerts

Heat Advisory
Ashley, AR, Chicot, AR, Morehouse, LA, West Carroll, LA, East Carroll, LA, Richland, LA, Madison, LA, Franklin, LA, Catahoula, 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
Expires 8:00 PM
50 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
29°
19%
10 AM
31°
23%
11 AM
33°
23%
12 PM
35°
23%
1 PM
37°
29%
2 PM
38°
34%
3 PM
38°
40%
4 PM
37°
51%
5 PM
34°
60%
6 PM
31°
60%
7 PM
30°
61%
8 PM
29°
57%
9 PM
26°
50%
10 PM
24°
22%
11 PM
24°
23%
12 AM
24°
23%
1 AM
26°
14%
2 AM
25°
14%
3 AM
24°
15%
4 AM
24°
15%
5 AM
24°
15%
6 AM
24°
5%
7 AM
24°
24%
8 AM
26°
29%
7-Day Forecast
Today
38° 24°
Partly Cloudy with a 60% chance of rain.
Wed
39° 24°
Mostly Clear with a 69% chance of rain.
Thu
39° 23°
Clear with a 42% chance of rain.
Fri
38° 22°
Mostly Clear with a 71% chance of rain.
Sat
38° 21°
Clear.
Sun
40° 22°
Drizzle, 51% chance.
Mon
39° 22°
Drizzle, 53% chance.
TimeTempConditionsPrecipWindHumidity
Now 29° Partly Cloudy 19% 5 mph WNW 67%
10 AM 31° Partly Cloudy 23% 6 mph W 59%
11 AM 33° Partly Cloudy 23% 5 mph W 52%
12 PM 35° Partly Cloudy 23% 6 mph WSW 46%
1 PM 37° Partly Cloudy 29% 5 mph WSW 42%
2 PM 38° Mostly Clear 34% 5 mph WSW 40%
3 PM 38° Mostly Clear 40% 6 mph SW 38%
4 PM 37° Mostly Clear 51% 6 mph SW 44%
5 PM 34° Partly Cloudy 60% 6 mph SW 55%
6 PM 31° Partly Cloudy 60% 5 mph SW 72%
7 PM 30° Partly Cloudy 61% 4 mph SSW 80%
8 PM 29° Mostly Cloudy 57% 3 mph S 84%
9 PM 26° Mostly Cloudy 50% 4 mph SSE 87%
10 PM 24° Mostly Cloudy 22% 4 mph SSE 88%
11 PM 24° Partly Cloudy 23% 3 mph S 89%
12 AM 24° Partly Cloudy 23% 4 mph S 89%
1 AM 26° Partly Cloudy 14% 4 mph SSW 84%
2 AM 25° Partly Cloudy 14% 4 mph SW 87%
3 AM 24° Partly Cloudy 15% 5 mph SW 89%
4 AM 24° Partly Cloudy 15% 5 mph SW 90%
5 AM 24° Partly Cloudy 15% 4 mph SW 92%
6 AM 24° Partly Cloudy 5% 4 mph SW 92%
7 AM 24° Partly Cloudy 24% 4 mph WSW 88%
8 AM 26° Partly Cloudy 29% 5 mph WSW 80%
15-Day Forecast
Today
8/18
Partly Cloudy
60%
24°
38°
Wed
8/19
Mostly Clear
69%
24°
39°
Thu
8/20
Clear
42%
23°
39°
Fri
8/21
Mostly Clear
71%
22°
38°
Sat
8/22
Clear
16%
21°
38°
Sun
8/23
Drizzle
51%
22°
40°
Mon
8/24
Drizzle
53%
22°
39°
Tue
8/25
Drizzle
43%
23°
38°
Wed
8/26
Drizzle
44%
24°
39°
Thu
8/27
Drizzle
51%
24°
36°
Fri
8/28
Drizzle
60%
20°
38°
Sat
8/29
Drizzle
60%
21°
38°
Sun
8/30
Drizzle
60%
21°
36°
Mon
8/31
Drizzle
60%
21°
36°
Tue
9/1
Drizzle
60%
21°
37°
50
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
50 AQI 9.1 µg/m³
O3
Ground-level ozone
31 AQI 33 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 50 Good 31 50
Thu 47 Good 28 47
Fri 49 Good 25 49
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 Aug 18, 11:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1630 J/kg
MLCAPE433 J/kg
MUCAPE1630 J/kg
SBCIN-159 J/kg
MLCIN-239 J/kg
Lifted Index-4.6
Kinematics
0–6 km Shear1 kt
0–1 km Shear7 kt
Eff. Shear2 kt
0–1 km SRH19
0–3 km SRH-8
Eff. SRH-8
Storm Motion326° @ 18 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.7
Thermo & Levels
PWAT1.93 in
0–3 km LR6.2 °C/km
700–500 LR5.9 °C/km
Total Totals46.8
LCL916 hPa
LFC776 hPa
EL170 hPa
Freezing Lvl15,236 ft