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

Webster County, Mississippi, United States

Last updated: 1:15 AM CDT  ·  Refresh
28°C
Feels like 30°
Clear
▲ 39°  /  ▼ 23°
Wind
4 mph SW
Humidity
68%
Dew Point
22°
Pressure
29.54 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
4%
Sunrise
6:20 AM
Sunset
7:40 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Webster County is currently clear at 28°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1401 J/kg) — isolated convective development possible. Sunrise: 6:20AM · Sunset: 7:40PM.

48 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
28°
3%
2 AM
26°
3%
3 AM
26°
3%
4 AM
26°
4%
5 AM
24°
4%
6 AM
24°
4%
7 AM
24°
4%
8 AM
27°
4%
9 AM
31°
4%
10 AM
33°
5%
11 AM
33°
5%
12 PM
34°
9%
1 PM
37°
8%
2 PM
38°
12%
3 PM
38°
12%
4 PM
39°
30%
5 PM
39°
30%
6 PM
38°
38%
7 PM
36°
28%
8 PM
34°
29%
9 PM
29°
29%
10 PM
29°
19%
11 PM
28°
13%
12 AM
27°
9%
7-Day Forecast
Today
39° 23°
Mostly Clear with a 30% chance of rain.
Tue
39° 23°
Clear with a 26% chance of rain.
Wed
42° 22°
Partly Cloudy with a 39% chance of rain.
Thu
38° 23°
Mostly Cloudy with a 69% chance of rain.
Fri
38° 20°
Drizzle, 51% chance.
Sat
37° 19°
Rain, 29% chance.
Sun
38° 21°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 28° Clear 3% 4 mph SW 68%
2 AM 26° Mostly Clear 3% 5 mph SW 70%
3 AM 26° Mostly Clear 3% 6 mph SW 71%
4 AM 26° Mostly Clear 4% 6 mph SW 72%
5 AM 24° Mostly Clear 4% 6 mph WSW 72%
6 AM 24° Mostly Clear 4% 6 mph WSW 73%
7 AM 24° Clear 4% 7 mph WSW 71%
8 AM 27° Clear 4% 8 mph WSW 62%
9 AM 31° Clear 4% 8 mph W 54%
10 AM 33° Clear 5% 9 mph W 48%
11 AM 33° Mostly Clear 5% 9 mph W 44%
12 PM 34° Mostly Clear 9% 8 mph W 41%
1 PM 37° Mostly Clear 8% 8 mph W 38%
2 PM 38° Partly Cloudy 12% 8 mph W 34%
3 PM 38° Partly Cloudy 12% 8 mph W 32%
4 PM 39° Partly Cloudy 30% 8 mph W 30%
5 PM 39° Partly Cloudy 30% 7 mph W 34%
6 PM 38° Partly Cloudy 38% 6 mph W 38%
7 PM 36° Partly Cloudy 28% 6 mph W 43%
8 PM 34° Partly Cloudy 29% 5 mph W 48%
9 PM 29° Partly Cloudy 29% 4 mph WNW 53%
10 PM 29° Partly Cloudy 19% 4 mph WNW 57%
11 PM 28° Partly Cloudy 13% 4 mph WNW 62%
12 AM 27° Mostly Clear 9% 5 mph WNW 66%
15-Day Forecast
Today
8/17
Mostly Clear
30%
23°
39°
Tue
8/18
Clear
26%
23°
39°
Wed
8/19
Partly Cloudy
39%
22°
42°
Thu
8/20
Mostly Cloudy
69%
23°
38°
Fri
8/21
Drizzle
51%
20°
38°
Sat
8/22
Rain
29%
19°
37°
Sun
8/23
Clear
17%
21°
38°
Mon
8/24
Drizzle
42%
20°
36°
Tue
8/25
Rain
68%
21°
35°
Wed
8/26
Rain
64%
20°
37°
Thu
8/27
Drizzle
60%
23°
38°
Fri
8/28
Drizzle
60%
22°
37°
Sat
8/29
Drizzle
60%
22°
36°
Sun
8/30
Drizzle
60%
21°
36°
Mon
8/31
Drizzle
60%
22°
36°
48
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
48 AQI 8.7 µg/m³
O3
Ground-level ozone
31 AQI 33 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 48 Good 31 48
Tue 51 Moderate 34 51
Wed 52 Moderate 36 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 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
SBCAPE756 J/kg
MLCAPE253 J/kg
MUCAPE756 J/kg
SBCIN-327 J/kg
MLCIN-186 J/kg
Lifted Index-2.1
Kinematics
0–6 km Shear4 kt
0–1 km Shear9 kt
Eff. Shear8 kt
0–1 km SRH30
0–3 km SRH65
Eff. SRH68
Storm Motion77° @ 11 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index27.7
Thermo & Levels
PWAT1.55 in
0–3 km LR5.5 °C/km
700–500 LR5.5 °C/km
Total Totals44.8
LCL924 hPa
LFC746 hPa
EL192 hPa
Freezing Lvl16,729 ft