Excessive Heat Warning — Adams, MS, Grenada, MS, Carroll, MS, Holmes, MS, Issaquena, MS, Sharkey, MS, Yazoo, MS, Madison, MS, Warren, MS, Hinds, MS, Rankin, MS, Claiborne, MS, Copiah, MS, Simpson, MS, Jefferson, MS, Bolivar, MS, Sunflower, MS, Leflore, MS, Washington, MS, Humphreys, 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, Newton, MS, Lauderdale, MS, Scott, MS, Smith, MS, Jasper, MS, Clarke, MS, Franklin, MS, Lincoln, MS, Lawrence, MS, Jefferson Davis, MS, Covington, MS, Jones, MS, Marion, MS, Lamar, MS, Forrest, MS 9:00 PM Heat Advisory — Montgomery, MS, Webster, MS, Clay, MS, Lowndes, MS, Choctaw, MS, Oktibbeha, MS, Attala, MS, Winston, MS, Noxubee, MS, Leake, MS, Neshoba, MS, Kemper, MS, Newton, MS, Lauderdale, MS 9:00 PM

Winston County, Mississippi, United States

Last updated: 9:40 PM CDT  ·  Refresh
27°C
Feels like 29°
Partly Cloudy
▲ 34°  /  ▼ 23°
Wind
3 mph SSE
Humidity
80%
Dew Point
24°
Pressure
29.37 inHg
Visibility
9 mi
UV Index
0.0
Cloud Cover
53%
Sunrise
6:01 AM
Sunset
8:03 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Winston County is currently partly cloudy at 27°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1672 J/kg) — isolated convective development possible. Sunrise: 6:01AM · Sunset: 8:03PM.

61 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
26%
10 PM
26°
27%
11 PM
26°
24%
12 AM
26°
23%
1 AM
25°
13%
2 AM
24°
11%
3 AM
24°
8%
4 AM
24°
3%
5 AM
23°
6%
6 AM
24°
6%
7 AM
24°
6%
8 AM
26°
3%
9 AM
28°
3%
10 AM
29°
3%
11 AM
31°
3%
12 PM
32°
3%
1 PM
34°
3%
2 PM
34°
3%
3 PM
34°
3%
4 PM
34°
3%
5 PM
34°
3%
6 PM
33°
3%
7 PM
33°
3%
8 PM
32°
3%
7-Day Forecast
Tonight
34° 23°
Partly Cloudy with a 26% chance of rain.
Tue
36° 23°
Mostly Clear with a 23% chance of rain.
Wed
36° 22°
Mostly Cloudy with a 24% chance of rain.
Thu
33° 22°
Mostly Clear with a 57% chance of rain.
Fri
35° 22°
Clear with a 29% chance of rain.
Sat
34° 23°
Drizzle, 51% chance.
Sun
36° 21°
Rain, 64% chance.
TimeTempConditionsPrecipWindHumidity
Now 27° Partly Cloudy 26% 3 mph SSE 80%
10 PM 26° Mostly Clear 27% 2 mph NNE 85%
11 PM 26° Clear 24% 2 mph NE 86%
12 AM 26° Clear 23% 2 mph ENE 88%
1 AM 25° Clear 13% 2 mph ESE 88%
2 AM 24° Clear 11% 2 mph ESE 88%
3 AM 24° Clear 8% 3 mph ESE 88%
4 AM 24° Clear 3% 3 mph ESE 87%
5 AM 23° Clear 6% 3 mph ESE 86%
6 AM 24° Clear 6% 3 mph SE 85%
7 AM 24° Mostly Clear 6% 4 mph SE 80%
8 AM 26° Clear 3% 4 mph SE 74%
9 AM 28° Mostly Clear 3% 4 mph SE 68%
10 AM 29° Mostly Clear 3% 4 mph ESE 63%
11 AM 31° Mostly Clear 3% 4 mph E 59%
12 PM 32° Partly Cloudy 3% 5 mph E 56%
1 PM 34° Partly Cloudy 3% 5 mph E 54%
2 PM 34° Partly Cloudy 3% 5 mph E 52%
3 PM 34° Partly Cloudy 3% 5 mph E 51%
4 PM 34° Partly Cloudy 3% 5 mph E 52%
5 PM 34° Partly Cloudy 3% 5 mph E 56%
6 PM 33° Partly Cloudy 3% 5 mph E 59%
7 PM 33° Partly Cloudy 3% 5 mph ESE 62%
8 PM 32° Partly Cloudy 3% 5 mph ESE 64%
15-Day Forecast
Today
7/20
Partly Cloudy
26%
23°
34°
Tue
7/21
Mostly Clear
23%
23°
36°
Wed
7/22
Mostly Cloudy
24%
22°
36°
Thu
7/23
Mostly Clear
57%
22°
33°
Fri
7/24
Clear
29%
22°
35°
Sat
7/25
Drizzle
51%
23°
34°
Sun
7/26
Rain
64%
21°
36°
Mon
7/27
Clear
41%
23°
37°
Tue
7/28
Drizzle
68%
23°
37°
Wed
7/29
Drizzle
68%
22°
37°
Thu
7/30
Rain
64%
21°
37°
Fri
7/31
Drizzle
60%
22°
35°
Sat
8/1
Drizzle
60%
22°
35°
Sun
8/2
Drizzle
60%
23°
35°
Mon
8/3
Drizzle
60%
22°
35°
61
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
61 AQI 14.2 µg/m³
O3
Ground-level ozone
26 AQI 28 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 61 Moderate 26 61
Wed 57 Moderate 24 57
Thu 38 Good 28 38
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 Jul 21, 01:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1300 J/kg
MLCAPE764 J/kg
MUCAPE1300 J/kg
SBCIN-163 J/kg
MLCIN0 J/kg
Lifted Index-2.8
Kinematics
0–6 km Shear22 kt
0–1 km Shear3 kt
Eff. Shear21 kt
0–1 km SRH-6
0–3 km SRH-36
Eff. SRH-36
Storm Motion329° @ 18 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.8
Thermo & Levels
PWAT2.18 in
0–3 km LR5.4 °C/km
700–500 LR5.1 °C/km
Total Totals43.2
LCL952 hPa
LFC811 hPa
EL172 hPa
Freezing Lvl16,903 ft