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 Heat Advisory — Grenada, MS, Carroll, MS, Montgomery, MS, Webster, MS, Clay, MS, Lowndes, MS, Choctaw, MS, Oktibbeha, 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, Forrest, MS 8:00 PM

Winston County, Mississippi, United States

Last updated: 1:16 AM CDT  ·  Refresh
27°C
Feels like 30°
Mostly Clear
▲ 38°  /  ▼ 23°
Wind
5 mph SW
Humidity
72%
Dew Point
22°
Pressure
29.51 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
11%
Sunrise
6:20 AM
Sunset
7:39 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Winston County is currently mostly clear at 27°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1595 J/kg) — isolated convective development possible. Sunrise: 6:20AM · Sunset: 7:39PM.

52 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
3%
2 AM
26°
3%
3 AM
26°
3%
4 AM
25°
3%
5 AM
24°
3%
6 AM
24°
3%
7 AM
25°
3%
8 AM
27°
7%
9 AM
30°
15%
10 AM
32°
19%
11 AM
34°
24%
12 PM
36°
24%
1 PM
38°
25%
2 PM
38°
27%
3 PM
38°
32%
4 PM
38°
32%
5 PM
38°
33%
6 PM
37°
32%
7 PM
36°
15%
8 PM
34°
15%
9 PM
29°
11%
10 PM
29°
11%
11 PM
28°
12%
12 AM
28°
5%
7-Day Forecast
Today
38° 23°
Mostly Clear with a 32% chance of rain.
Tue
40° 23°
Mostly Clear with a 51% chance of rain.
Wed
42° 23°
Partly Cloudy with a 43% chance of rain.
Thu
38° 23°
Rain, 51% chance.
Fri
37° 20°
Drizzle, 43% chance.
Sat
37° 19°
Rain, 42% chance.
Sun
37° 21°
Clear with a 31% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 27° Mostly Clear 3% 5 mph SW 72%
2 AM 26° Mostly Clear 3% 6 mph SW 74%
3 AM 26° Clear 3% 6 mph WSW 76%
4 AM 25° Clear 3% 6 mph WSW 78%
5 AM 24° Clear 3% 6 mph WSW 79%
6 AM 24° Mostly Clear 3% 6 mph WSW 79%
7 AM 25° Mostly Clear 3% 7 mph WSW 76%
8 AM 27° Clear 7% 8 mph W 68%
9 AM 30° Clear 15% 9 mph W 60%
10 AM 32° Clear 19% 9 mph W 52%
11 AM 34° Clear 24% 9 mph W 46%
12 PM 36° Clear 24% 8 mph W 40%
1 PM 38° Mostly Clear 25% 8 mph W 36%
2 PM 38° Mostly Clear 27% 7 mph W 35%
3 PM 38° Rain 32% 6 mph W 35%
4 PM 38° Rain 32% 6 mph W 35%
5 PM 38° Partly Cloudy 33% 6 mph WSW 38%
6 PM 37° Partly Cloudy 32% 6 mph WSW 41%
7 PM 36° Partly Cloudy 15% 6 mph WSW 45%
8 PM 34° Partly Cloudy 15% 6 mph SW 49%
9 PM 29° Partly Cloudy 11% 6 mph SW 52%
10 PM 29° Mostly Cloudy 11% 6 mph SW 55%
11 PM 28° Partly Cloudy 12% 5 mph SW 58%
12 AM 28° Partly Cloudy 5% 5 mph WSW 60%
15-Day Forecast
Today
8/17
Mostly Clear
32%
23°
38°
Tue
8/18
Mostly Clear
51%
23°
40°
Wed
8/19
Partly Cloudy
43%
23°
42°
Thu
8/20
Rain
51%
23°
38°
Fri
8/21
Drizzle
43%
20°
37°
Sat
8/22
Rain
42%
19°
37°
Sun
8/23
Clear
31%
21°
37°
Mon
8/24
Drizzle
43%
21°
37°
Tue
8/25
Drizzle
44%
19°
34°
Wed
8/26
Drizzle
60%
19°
37°
Thu
8/27
Drizzle
60%
23°
38°
Fri
8/28
Drizzle
60%
22°
37°
Sat
8/29
Drizzle
60%
22°
37°
Sun
8/30
Drizzle
60%
22°
36°
Mon
8/31
Drizzle
60%
22°
35°
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
29 AQI 31 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 52 Moderate 29 52
Tue 52 Moderate 32 52
Wed 53 Moderate 32 53
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
SBCAPE675 J/kg
MLCAPE900 J/kg
MUCAPE1432 J/kg
SBCIN-316 J/kg
MLCIN-137 J/kg
Lifted Index-2.0
Kinematics
0–6 km Shear3 kt
0–1 km Shear9 kt
Eff. Shear9 kt
0–1 km SRH38
0–3 km SRH79
Eff. SRH83
Storm Motion65° @ 12 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index27.6
Thermo & Levels
PWAT1.62 in
0–3 km LR5.6 °C/km
700–500 LR5.4 °C/km
Total Totals43.7
LCL926 hPa
LFC734 hPa
EL198 hPa
Freezing Lvl16,798 ft