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

Webster County, Mississippi, United States

Last updated: 11:27 PM CDT  ·  Refresh
24°C
Feels like 27°
Overcast
▲ 37°  /  ▼ 21°
Wind
6 mph S
Humidity
89%
Dew Point
22°
Pressure
29,49 inHg
Visibility
10 mi
UV Index
0,0
Cloud Cover
87%
Sunrise
6:22 AM
Sunset
7:37 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Webster County is currently overcast at 24°C. Precipitation is likely — peak probability 58% around 11 PM. Atmospheric instability is elevated (CAPE up to 2580 J/kg) — isolated convective development possible. Sunrise: 6:22AM · Sunset: 7:37PM.

46 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
58%
12 AM
24°
46%
1 AM
24°
44%
2 AM
23°
45%
3 AM
23°
34%
4 AM
23°
26%
5 AM
21°
32%
6 AM
21°
29%
7 AM
22°
29%
8 AM
23°
20%
9 AM
26°
28%
10 AM
27°
13%
11 AM
28°
17%
12 PM
29°
16%
1 PM
33°
16%
2 PM
33°
17%
3 PM
34°
19%
4 PM
34°
19%
5 PM
33°
18%
6 PM
32°
14%
7 PM
31°
14%
8 PM
30°
14%
9 PM
27°
15%
10 PM
24°
15%
7-Day Forecast
Tonight
37° 21°
Overcast with a 58% chance of rain.
Fri
36° 21°
Mostly Clear with a 45% chance of rain.
Sat
39° 20°
Mostly Clear.
Sun
40° 20°
Clear with a 58% chance of rain.
Mon
36° 20°
Overcast with a 40% chance of rain.
Tue
39° 22°
Rain, 70% chance.
Wed
40° 22°
Rain, 71% chance.
TimeTempConditionsPrecipWindHumidity
Now 24° Overcast 58% 6 mph S 89%
12 AM 24° Overcast 46% 8 mph S 91%
1 AM 24° Overcast 44% 6 mph S 90%
2 AM 23° Mostly Cloudy 45% 4 mph SW 88%
3 AM 23° Mostly Cloudy 34% 4 mph W 87%
4 AM 23° Mostly Cloudy 26% 4 mph WNW 87%
5 AM 21° Partly Cloudy 32% 4 mph NW 88%
6 AM 21° Mostly Cloudy 29% 4 mph NW 89%
7 AM 22° Mostly Cloudy 29% 4 mph N 87%
8 AM 23° Mostly Cloudy 20% 4 mph NNW 81%
9 AM 26° Partly Cloudy 28% 4 mph WNW 74%
10 AM 27° Mostly Clear 13% 3 mph NW 70%
11 AM 28° Mostly Clear 17% 3 mph NNE 67%
12 PM 29° Clear 16% 3 mph NNE 64%
1 PM 33° Clear 16% 2 mph N 60%
2 PM 33° Clear 17% 2 mph NNE 58%
3 PM 34° Clear 19% 3 mph NNE 55%
4 PM 34° Clear 19% 3 mph NNE 55%
5 PM 33° Clear 18% 3 mph NNE 57%
6 PM 32° Clear 14% 3 mph NNE 59%
7 PM 31° Clear 14% 3 mph NNE 61%
8 PM 30° Clear 14% 3 mph NNE 63%
9 PM 27° Clear 15% 3 mph NNE 65%
10 PM 24° Clear 15% 3 mph NNE 67%
15-Day Forecast
Today
8/20
Overcast
58%
21°
37°
Fri
8/21
Mostly Clear
45%
21°
36°
Sat
8/22
Mostly Clear
13%
20°
39°
Sun
8/23
Clear
58%
20°
40°
Mon
8/24
Overcast
40%
20°
36°
Tue
8/25
Rain
70%
22°
39°
Wed
8/26
Rain
71%
22°
40°
Thu
8/27
Rain
63%
19°
37°
Fri
8/28
Drizzle
44%
19°
39°
Sat
8/29
Drizzle
44%
21°
39°
Sun
8/30
Drizzle
60%
20°
39°
Mon
8/31
Drizzle
60%
23°
39°
Tue
9/1
Drizzle
60%
22°
38°
Wed
9/2
Drizzle
60%
22°
38°
Thu
9/3
Drizzle
60%
22°
38°
46
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
46 AQI 8.2 µg/m³
O3
Ground-level ozone
42 AQI 46 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 46 Good 42 46
Sat 42 Good 42 39
Sun 45 Good 39 45
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 ven. août 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
SBCAPE736 J/kg
MLCAPE1561 J/kg
MUCAPE1897 J/kg
SBCIN-328 J/kg
MLCIN-160 J/kg
Lifted Index-2.9
Kinematics
0–6 km Shear26 kt
0–1 km Shear13 kt
Eff. Shear31 kt
0–1 km SRH57
0–3 km SRH52
Eff. SRH36
Storm Motion21° @ 14 kt
0–1 km EHI0.3
Composite Parameters
Sig. Tornado0.1
STP (eff)0.1
Supercell1.1
K-Index38.1
Thermo & Levels
PWAT2.00 in
0–3 km LR4.7 °C/km
700–500 LR6.1 °C/km
Total Totals51.9
LCL967 hPa
LFC708 hPa
EL199 hPa
Freezing Lvl15,259 ft