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

Webster County, Mississippi, United States

Last updated: 9:39 PM CDT  ·  Refresh
28°C
Feels like 32°
Partly Cloudy
▲ 34°  /  ▼ 23°
Wind
3 mph S
Humidity
85%
Dew Point
24°
Pressure
29.40 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
57%
Sunrise
6:01 AM
Sunset
8:05 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Webster County is currently partly cloudy at 28°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2259 J/kg) — isolated convective development possible. Sunrise: 6:01AM · Sunset: 8:05PM.

60 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
28°
30%
10 PM
26°
21%
11 PM
26°
20%
12 AM
26°
19%
1 AM
25°
7%
2 AM
24°
4%
3 AM
24°
4%
4 AM
24°
4%
5 AM
23°
4%
6 AM
23°
5%
7 AM
24°
5%
8 AM
27°
5%
9 AM
30°
5%
10 AM
31°
3%
11 AM
32°
3%
12 PM
33°
3%
1 PM
35°
3%
2 PM
35°
8%
3 PM
35°
9%
4 PM
36°
9%
5 PM
35°
19%
6 PM
34°
19%
7 PM
33°
19%
8 PM
33°
19%
7-Day Forecast
Tonight
34° 23°
Partly Cloudy with a 30% chance of rain.
Tue
36° 23°
Mostly Clear.
Wed
34° 23°
Mostly Cloudy with a 21% chance of rain.
Thu
32° 21°
Mostly Clear with a 43% chance of rain.
Fri
34° 22°
Drizzle, 50% chance.
Sat
34° 23°
Drizzle, 64% chance.
Sun
37° 21°
Rain, 64% chance.
TimeTempConditionsPrecipWindHumidity
Now 28° Partly Cloudy 30% 3 mph S 85%
10 PM 26° Partly Cloudy 21% 5 mph S 91%
11 PM 26° Mostly Clear 20% 4 mph S 90%
12 AM 26° Clear 19% 3 mph S 89%
1 AM 25° Clear 7% 2 mph S 89%
2 AM 24° Clear 4% 2 mph SSE 89%
3 AM 24° Clear 4% 2 mph SE 89%
4 AM 24° Clear 4% 2 mph SE 90%
5 AM 23° Clear 4% 3 mph SE 90%
6 AM 23° Clear 5% 3 mph SE 90%
7 AM 24° Mostly Clear 5% 4 mph SE 84%
8 AM 27° Partly Cloudy 5% 4 mph SE 75%
9 AM 30° Mostly Clear 5% 4 mph SE 67%
10 AM 31° Mostly Clear 3% 4 mph SE 61%
11 AM 32° Partly Cloudy 3% 4 mph ESE 56%
12 PM 33° Partly Cloudy 3% 4 mph ESE 52%
1 PM 35° Partly Cloudy 3% 4 mph E 50%
2 PM 35° Partly Cloudy 8% 5 mph E 51%
3 PM 35° Partly Cloudy 9% 5 mph E 51%
4 PM 36° Partly Cloudy 9% 5 mph E 54%
5 PM 35° Partly Cloudy 19% 4 mph E 58%
6 PM 34° Partly Cloudy 19% 4 mph E 62%
7 PM 33° Partly Cloudy 19% 4 mph ESE 64%
8 PM 33° Partly Cloudy 19% 4 mph ESE 64%
15-Day Forecast
Today
7/20
Partly Cloudy
30%
23°
34°
Tue
7/21
Mostly Clear
19%
23°
36°
Wed
7/22
Mostly Cloudy
21%
23°
34°
Thu
7/23
Mostly Clear
43%
21°
32°
Fri
7/24
Drizzle
50%
22°
34°
Sat
7/25
Drizzle
64%
23°
34°
Sun
7/26
Rain
64%
21°
37°
Mon
7/27
Rain
28%
22°
37°
Tue
7/28
Drizzle
44%
23°
37°
Wed
7/29
Rain
68%
22°
36°
Thu
7/30
Drizzle
60%
20°
36°
Fri
7/31
Drizzle
60%
22°
34°
Sat
8/1
Drizzle
60%
22°
35°
Sun
8/2
Drizzle
60%
22°
35°
Mon
8/3
Drizzle
60%
22°
34°
60
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
60 AQI 13.9 µg/m³
O3
Ground-level ozone
27 AQI 29 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 60 Moderate 27 60
Wed 60 Moderate 26 60
Thu 44 Good 33 44
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
SBCAPE1864 J/kg
MLCAPE1109 J/kg
MUCAPE1864 J/kg
SBCIN-108 J/kg
MLCIN0 J/kg
Lifted Index-2.9
Kinematics
0–6 km Shear21 kt
0–1 km Shear4 kt
Eff. Shear24 kt
0–1 km SRH-12
0–3 km SRH-28
Eff. SRH-28
Storm Motion311° @ 17 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index36.2
Thermo & Levels
PWAT2.25 in
0–3 km LR5.8 °C/km
700–500 LR4.6 °C/km
Total Totals42.2
LCL946 hPa
LFC830 hPa
EL150 hPa
Freezing Lvl17,579 ft