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: 5:35 PM CDT  ·  Refresh
34°C
Feels like 41°
Mostly Clear
▲ 36°  /  ▼ 24°
Wind
6 mph NW
Humidity
52%
Dew Point
22°
Pressure
29.79 inHg
Visibility
10 mi
UV Index
5.9
Cloud Cover
12%
Sunrise
6:07 AM
Sunset
8:03 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Marion County is currently mostly clear at 34°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2441 J/kg) — isolated convective development possible. Sunrise: 6:07AM · Sunset: 8:03PM.

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
34°
3%
6 PM
36°
23%
7 PM
34°
27%
8 PM
32°
25%
9 PM
29°
25%
10 PM
28°
28%
11 PM
27°
28%
12 AM
27°
21%
1 AM
26°
8%
2 AM
26°
8%
3 AM
25°
8%
4 AM
24°
9%
5 AM
24°
5%
6 AM
24°
5%
7 AM
25°
11%
8 AM
27°
21%
9 AM
30°
22%
10 AM
31°
20%
11 AM
32°
20%
12 PM
34°
20%
1 PM
36°
23%
2 PM
36°
28%
3 PM
36°
29%
4 PM
35°
29%
7-Day Forecast
Today
36° 24°
Mostly Clear with a 28% chance of rain.
Sun
37° 24°
Mostly Clear with a 40% chance of rain.
Mon
37° 24°
Partly Cloudy with a 37% chance of rain.
Tue
34° 24°
Rain, 64% chance.
Wed
38° 23°
Thunderstorm, 50% chance.
Thu
38° 24°
Thunderstorm, 81% chance.
Fri
38° 23°
Overcast.
TimeTempConditionsPrecipWindHumidity
Now 34° Mostly Clear 3% 6 mph NW 52%
6 PM 36° Mostly Clear 23% 5 mph NW 56%
7 PM 34° Mostly Clear 27% 3 mph NW 61%
8 PM 32° Mostly Clear 25% 3 mph NW 64%
9 PM 29° Mostly Clear 25% 3 mph NNW 67%
10 PM 28° Clear 28% 2 mph NW 70%
11 PM 27° Clear 28% 2 mph NW 73%
12 AM 27° Clear 21% 3 mph NW 76%
1 AM 26° Clear 8% 3 mph NW 78%
2 AM 26° Clear 8% 3 mph NW 79%
3 AM 25° Mostly Clear 8% 3 mph NW 80%
4 AM 24° Mostly Clear 9% 4 mph NW 81%
5 AM 24° Mostly Clear 5% 4 mph NW 82%
6 AM 24° Clear 5% 4 mph NW 82%
7 AM 25° Clear 11% 5 mph NW 78%
8 AM 27° Clear 21% 6 mph NW 70%
9 AM 30° Clear 22% 6 mph NW 62%
10 AM 31° Clear 20% 6 mph NW 57%
11 AM 32° Clear 20% 6 mph NNW 53%
12 PM 34° Mostly Clear 20% 6 mph NNW 49%
1 PM 36° Mostly Clear 23% 6 mph NNW 47%
2 PM 36° Mostly Clear 28% 6 mph NNW 47%
3 PM 36° Mostly Clear 29% 5 mph NNW 46%
4 PM 35° Mostly Clear 29% 5 mph NNW 48%
15-Day Forecast
Today
7/18
Mostly Clear
28%
24°
36°
Sun
7/19
Mostly Clear
40%
24°
37°
Mon
7/20
Partly Cloudy
37%
24°
37°
Tue
7/21
Rain
64%
24°
34°
Wed
7/22
Thunderstorm
50%
23°
38°
Thu
7/23
Thunderstorm
81%
24°
38°
Fri
7/24
Overcast
19%
23°
38°
Sat
7/25
Rain
81%
24°
37°
Sun
7/26
Thunderstorm
60%
24°
36°
Mon
7/27
Drizzle
60%
24°
36°
Tue
7/28
Drizzle
60%
24°
36°
Wed
7/29
Drizzle
60%
23°
36°
Thu
7/30
Drizzle
60%
23°
37°
Fri
7/31
Drizzle
60%
23°
37°
Sat
8/1
Drizzle
60%
23°
36°
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
Sun 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 Sat Jul 18, 21:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2861 J/kg
MLCAPE2538 J/kg
MUCAPE2861 J/kg
SBCIN-36 J/kg
MLCIN0 J/kg
Lifted Index-7.2
Kinematics
0–6 km Shear10 kt
0–1 km Shear6 kt
Eff. Shear5 kt
0–1 km SRH-16
0–3 km SRH-30
Eff. SRH-30
Storm Motion308° @ 24 kt
0–1 km EHI-0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.0
Thermo & Levels
PWAT1.93 in
0–3 km LR8.1 °C/km
700–500 LR6.0 °C/km
Total Totals51.2
LCL847 hPa
LFC819 hPa
EL148 hPa
Freezing Lvl15,791 ft