Heat Advisory — Ashley, AR, Chicot, AR, Morehouse, LA, West Carroll, LA, East Carroll, LA, Richland, LA, Madison, LA, Franklin, LA, Catahoula, 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

Winston County, Mississippi, United States

Last updated: 9:37 AM CDT  ·  Refresh
85°F
Feels like 90°
Mostly Clear
▲ 100°  /  ▼ 73°
Wind
5 mph WNW
Humidity
62%
Dew Point
72°
Pressure
29.52 inHg
Visibility
10 mi
UV Index
7.4
Cloud Cover
11%
Sunrise
6:21 AM
Sunset
7:38 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Winston County is currently mostly clear at 85°F. Precipitation is likely — peak probability 60% around 4 PM. Atmospheric instability is elevated (CAPE up to 1891 J/kg) — isolated convective development possible. Sunrise: 6:21AM · Sunset: 7:38PM.

Alerts

Heat Advisory
Ashley, AR, Chicot, AR, Morehouse, LA, West Carroll, LA, East Carroll, LA, Richland, LA, Madison, LA, Franklin, LA, Catahoula, 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
Expires 8:00 PM
54 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
85°
4%
10 AM
90°
23%
11 AM
93°
23%
12 PM
96°
23%
1 PM
99°
36%
2 PM
100°
51%
3 PM
99°
51%
4 PM
96°
59%
5 PM
94°
49%
6 PM
90°
36%
7 PM
87°
45%
8 PM
84°
46%
9 PM
77°
43%
10 PM
76°
35%
11 PM
76°
31%
12 AM
76°
23%
1 AM
75°
5%
2 AM
75°
5%
3 AM
74°
5%
4 AM
73°
5%
5 AM
73°
3%
6 AM
73°
3%
7 AM
73°
3%
8 AM
77°
3%
7-Day Forecast
Today
100° 73°
Mostly Clear with a 51% chance of rain.
Wed
103° 73°
Partly Cloudy with a 36% chance of rain.
Thu
104° 73°
Clear with a 63% chance of rain.
Fri
96° 72°
Partly Cloudy with a 31% chance of rain.
Sat
96° 68°
Clear with a 30% chance of rain.
Sun
99° 67°
Drizzle, 43% chance.
Mon
95° 64°
Drizzle, 44% chance.
TimeTempConditionsPrecipWindHumidity
Now 85° Mostly Clear 4% 5 mph WNW 62%
10 AM 90° Clear 23% 7 mph WNW 53%
11 AM 93° Clear 23% 8 mph WNW 46%
12 PM 96° Clear 23% 8 mph WNW 40%
1 PM 99° Mostly Clear 36% 8 mph WNW 37%
2 PM 100° Partly Cloudy 51% 7 mph WNW 36%
3 PM 99° Partly Cloudy 51% 8 mph NW 38%
4 PM 96° Partly Cloudy 59% 6 mph NW 45%
5 PM 94° Partly Cloudy 49% 5 mph NNW 56%
6 PM 90° Partly Cloudy 36% 5 mph N 68%
7 PM 87° Partly Cloudy 45% 4 mph NE 77%
8 PM 84° Partly Cloudy 46% 4 mph E 83%
9 PM 77° Rain 43% 4 mph SE 88%
10 PM 76° Rain 35% 5 mph SSE 90%
11 PM 76° Partly Cloudy 31% 4 mph S 90%
12 AM 76° Partly Cloudy 23% 4 mph S 90%
1 AM 75° Partly Cloudy 5% 4 mph S 93%
2 AM 75° Partly Cloudy 5% 4 mph SSW 93%
3 AM 74° Partly Cloudy 5% 4 mph SSW 93%
4 AM 73° Partly Cloudy 5% 4 mph SW 93%
5 AM 73° Partly Cloudy 3% 4 mph SW 93%
6 AM 73° Partly Cloudy 3% 4 mph SW 92%
7 AM 73° Partly Cloudy 3% 5 mph WSW 88%
8 AM 77° Partly Cloudy 3% 5 mph WSW 80%
15-Day Forecast
Today
8/18
Mostly Clear
51%
73°
100°
Wed
8/19
Partly Cloudy
36%
73°
103°
Thu
8/20
Clear
63%
73°
104°
Fri
8/21
Partly Cloudy
31%
72°
96°
Sat
8/22
Clear
30%
68°
96°
Sun
8/23
Drizzle
43%
67°
99°
Mon
8/24
Drizzle
44%
64°
95°
Tue
8/25
Drizzle
43%
68°
99°
Wed
8/26
Drizzle
44%
70°
98°
Thu
8/27
Drizzle
51%
65°
91°
Fri
8/28
Drizzle
60%
57°
95°
Sat
8/29
Clear
60%
68°
92°
Sun
8/30
Drizzle
60%
67°
92°
Mon
8/31
Drizzle
60%
68°
93°
Tue
9/1
Drizzle
60%
68°
93°
54
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
54 AQI 10.6 µg/m³
O3
Ground-level ozone
35 AQI 38 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 54 Moderate 35 54
Thu 52 Moderate 34 52
Fri 52 Moderate 32 52
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 Aug 18, 11:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1703 J/kg
MLCAPE580 J/kg
MUCAPE1703 J/kg
SBCIN-156 J/kg
MLCIN-187 J/kg
Lifted Index-4.5
Kinematics
0–6 km Shear15 kt
0–1 km Shear12 kt
Eff. Shear10 kt
0–1 km SRH68
0–3 km SRH77
Eff. SRH77
Storm Motion344° @ 20 kt
0–1 km EHI0.7
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index27.3
Thermo & Levels
PWAT1.60 in
0–3 km LR6.4 °C/km
700–500 LR5.8 °C/km
Total Totals43.3
LCL899 hPa
LFC766 hPa
EL165 hPa
Freezing Lvl14,688 ft