Heat Advisory — Bolivar, MS, Sunflower, MS, Leflore, MS, Washington, MS, Humphreys, MS, Holmes, MS, Issaquena, MS, Sharkey, MS, Yazoo, MS, Madison, MS, Warren, MS, Hinds, MS, Rankin, MS, Scott, 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 7:00 PM

Marion County, Mississippi, United States

Last updated: 3:35 AM CDT  ·  Refresh
25°C
Feels like 29°
Clear
▲ 36°  /  ▼ 24°
Wind
3 mph NW
Humidity
84%
Dew Point
22°
Pressure
29.78 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
8%
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 25°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2073 J/kg) — isolated convective development possible. Sunrise: 6:08AM · Sunset: 8:02PM.

Alerts

Heat Advisory
Bolivar, MS, Sunflower, MS, Leflore, MS, Washington, MS, Humphreys, MS, Holmes, MS, Issaquena, MS, Sharkey, MS, Yazoo, MS, Madison, MS, Warren, MS, Hinds, MS, Rankin, MS, Scott, 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 7:00 PM
55 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
25°
3%
4 AM
24°
4%
5 AM
23°
4%
6 AM
23°
4%
7 AM
25°
9%
8 AM
27°
16%
9 AM
30°
16%
10 AM
32°
15%
11 AM
33°
15%
12 PM
34°
15%
1 PM
36°
16%
2 PM
36°
16%
3 PM
36°
19%
4 PM
36°
21%
5 PM
36°
22%
6 PM
34°
13%
7 PM
33°
11%
8 PM
32°
11%
9 PM
29°
20%
10 PM
27°
5%
11 PM
27°
5%
12 AM
26°
5%
1 AM
26°
5%
2 AM
26°
5%
7-Day Forecast
Today
36° 24°
Mostly Clear with a 20% chance of rain.
Mon
37° 24°
Mostly Cloudy with a 58% chance of rain.
Tue
37° 23°
Drizzle, 54% chance.
Wed
36° 24°
Mostly Clear with a 29% chance of rain.
Thu
38° 24°
Clear with a 30% chance of rain.
Fri
38° 23°
Drizzle, 52% chance.
Sat
37° 23°
Rain, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 25° Clear 3% 3 mph NW 84%
4 AM 24° Clear 4% 4 mph NW 83%
5 AM 23° Clear 4% 4 mph NW 84%
6 AM 23° Clear 4% 4 mph NW 84%
7 AM 25° Clear 9% 4 mph NW 80%
8 AM 27° Clear 16% 5 mph NNW 74%
9 AM 30° Clear 16% 6 mph NNW 67%
10 AM 32° Clear 15% 6 mph NNW 61%
11 AM 33° Mostly Clear 15% 6 mph NNW 55%
12 PM 34° Mostly Clear 15% 5 mph NNW 50%
1 PM 36° Mostly Clear 16% 5 mph NNW 46%
2 PM 36° Mostly Clear 16% 5 mph NNW 44%
3 PM 36° Mostly Clear 19% 5 mph NNW 43%
4 PM 36° Mostly Clear 21% 5 mph NNW 45%
5 PM 36° Partly Cloudy 22% 4 mph NNW 49%
6 PM 34° Partly Cloudy 13% 4 mph NW 54%
7 PM 33° Partly Cloudy 11% 3 mph NW 60%
8 PM 32° Partly Cloudy 11% 3 mph WNW 65%
9 PM 29° Partly Cloudy 20% 4 mph SSE 70%
10 PM 27° Partly Cloudy 5% 4 mph SSE 75%
11 PM 27° Partly Cloudy 5% 4 mph SSE 79%
12 AM 26° Partly Cloudy 5% 3 mph S 83%
1 AM 26° Mostly Clear 5% 3 mph SSW 86%
2 AM 26° Mostly Clear 5% 2 mph SW 86%
15-Day Forecast
Today
7/19
Mostly Clear
20%
24°
36°
Mon
7/20
Mostly Cloudy
58%
24°
37°
Tue
7/21
Drizzle
54%
23°
37°
Wed
7/22
Mostly Clear
29%
24°
36°
Thu
7/23
Clear
30%
24°
38°
Fri
7/24
Drizzle
52%
23°
38°
Sat
7/25
Rain
63%
23°
37°
Sun
7/26
Rain
69%
23°
34°
Mon
7/27
Drizzle
68%
23°
36°
Tue
7/28
Drizzle
68%
23°
35°
Wed
7/29
Drizzle
60%
23°
36°
Thu
7/30
Drizzle
60%
23°
36°
Fri
7/31
Drizzle
60%
23°
36°
Sat
8/1
Drizzle
60%
23°
37°
Sun
8/2
Drizzle
60%
23°
37°
55
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
55 AQI 11.3 µg/m³
O3
Ground-level ozone
21 AQI 24 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 55 Moderate 21 55
Mon 55 Moderate 28 55
Tue 59 Moderate 30 59
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 Sun Jul 19, 07:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE555 J/kg
MLCAPE1301 J/kg
MUCAPE1672 J/kg
SBCIN-349 J/kg
MLCIN0 J/kg
Lifted Index-3.3
Kinematics
0–6 km Shear15 kt
0–1 km Shear4 kt
Eff. Shear9 kt
0–1 km SRH-17
0–3 km SRH-65
Eff. SRH-46
Storm Motion310° @ 21 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index22.5
Thermo & Levels
PWAT1.59 in
0–3 km LR4.6 °C/km
700–500 LR6.6 °C/km
Total Totals46.2
LCL962 hPa
LFC683 hPa
EL261 hPa
Freezing Lvl15,020 ft