Severe Thunderstorm Watch 12:00 AM Heat Advisory — Ashley, AR, Chicot, AR, 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, Leake, MS, Neshoba, MS, Kemper, MS, Scott, MS, Newton, MS, Lauderdale, MS, Smith, MS, Jasper, MS, Clarke, MS, Covington, MS, Jones, MS, Lamar, MS, Forrest, MS 8:00 PM

Winston County, Mississippi, United States

Last updated: 11:28 PM CDT  ·  Refresh
25°C
Feels like 28°
Overcast
▲ 36°  /  ▼ 22°
Wind
9 mph SW
Humidity
87%
Dew Point
23°
Pressure
29.50 inHg
Visibility
3 mi
UV Index
0.0
Cloud Cover
96%
Sunrise
6:22 AM
Sunset
7:35 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Winston County is currently overcast at 25°C. Precipitation is likely — peak probability 68% around 11 PM. Atmospheric instability is elevated (CAPE up to 2825 J/kg) — isolated convective development possible. Sunrise: 6:22AM · Sunset: 7:35PM.

50 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
25°
68%
12 AM
26°
20%
1 AM
25°
8%
2 AM
24°
9%
3 AM
24°
14%
4 AM
23°
30%
5 AM
22°
35%
6 AM
22°
40%
7 AM
22°
42%
8 AM
24°
42%
9 AM
25°
34%
10 AM
27°
29%
11 AM
29°
29%
12 PM
30°
29%
1 PM
32°
29%
2 PM
32°
32%
3 PM
32°
27%
4 PM
32°
31%
5 PM
34°
25%
6 PM
33°
18%
7 PM
33°
18%
8 PM
32°
18%
9 PM
27°
20%
10 PM
25°
15%
7-Day Forecast
Tonight
36° 22°
Overcast with a 68% chance of rain.
Fri
34° 22°
Partly Cloudy with a 42% chance of rain.
Sat
38° 21°
Mostly Clear.
Sun
38° 21°
Clear with a 58% chance of rain.
Mon
34° 21°
Drizzle, 51% chance.
Tue
37° 22°
Rain, 70% chance.
Wed
38° 23°
Rain, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 25° Overcast 68% 9 mph SW 87%
12 AM 26° Overcast 20% 6 mph S 87%
1 AM 25° Overcast 8% 5 mph S 87%
2 AM 24° Overcast 9% 4 mph SW 88%
3 AM 24° Mostly Cloudy 14% 3 mph WSW 89%
4 AM 23° Mostly Cloudy 30% 3 mph W 90%
5 AM 22° Mostly Cloudy 35% 2 mph WNW 91%
6 AM 22° Partly Cloudy 40% 3 mph WNW 92%
7 AM 22° Partly Cloudy 42% 4 mph W 90%
8 AM 24° Partly Cloudy 42% 3 mph WSW 85%
9 AM 25° Partly Cloudy 34% 3 mph SW 79%
10 AM 27° Partly Cloudy 29% 3 mph WSW 74%
11 AM 29° Partly Cloudy 29% 2 mph NNW 70%
12 PM 30° Partly Cloudy 29% 3 mph NW 66%
1 PM 32° Mostly Clear 29% 4 mph NW 65%
2 PM 32° Mostly Clear 32% 4 mph NW 65%
3 PM 32° Mostly Clear 27% 3 mph WNW 64%
4 PM 32° Mostly Clear 31% 3 mph WNW 65%
5 PM 34° Mostly Clear 25% 3 mph NW 67%
6 PM 33° Clear 18% 4 mph NW 68%
7 PM 33° Clear 18% 4 mph NW 70%
8 PM 32° Clear 18% 3 mph WNW 72%
9 PM 27° Mostly Clear 20% 4 mph W 75%
10 PM 25° Mostly Clear 15% 4 mph W 76%
15-Day Forecast
Today
8/20
Overcast
68%
22°
36°
Fri
8/21
Partly Cloudy
42%
22°
34°
Sat
8/22
Mostly Clear
13%
21°
38°
Sun
8/23
Clear
58%
21°
38°
Mon
8/24
Drizzle
51%
21°
34°
Tue
8/25
Rain
70%
22°
37°
Wed
8/26
Rain
63%
23°
38°
Thu
8/27
Rain
82%
20°
34°
Fri
8/28
Drizzle
44%
20°
38°
Sat
8/29
Rain
44%
21°
38°
Sun
8/30
Drizzle
60%
21°
39°
Mon
8/31
Drizzle
60%
22°
37°
Tue
9/1
Drizzle
60%
22°
37°
Wed
9/2
Drizzle
60%
22°
37°
Thu
9/3
Drizzle
60%
22°
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 9.0 µg/m³
O3
Ground-level ozone
33 AQI 37 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 50 Good 33 50
Sat 47 Good 35 47
Sun 47 Good 36 47
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 Fri Aug 21, 03:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1315 J/kg
MLCAPE1358 J/kg
MUCAPE1440 J/kg
SBCIN-253 J/kg
MLCIN-183 J/kg
Lifted Index-4.7
Kinematics
0–6 km Shear26 kt
0–1 km Shear2 kt
Eff. Shear27 kt
0–1 km SRH0
0–3 km SRH61
Eff. SRH89
Storm Motion47° @ 12 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell1.8
K-Index37.6
Thermo & Levels
PWAT2.13 in
0–3 km LR4.9 °C/km
700–500 LR6.4 °C/km
Total Totals51.0
LCL963 hPa
LFC723 hPa
EL175 hPa
Freezing Lvl14,925 ft