Flash Flood Warning — Somerset County, MD, Wicomico County, MD, Worcester County, MD 11:00 PM

Worcester County, Maryland, United States

Last updated: 9:08 PM CDT  ·  Refresh
24°C
Feels like 27°
Thunderstorm
▲ 28°  /  ▼ 19°
Wind
7 mph WSW
Humidity
92%
Dew Point
23°
Pressure
29.92 inHg
Visibility
5 mi
UV Index
0.0
Cloud Cover
54%
Sunrise
6:20 AM
Sunset
7:48 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Worcester County is currently thunderstorm at 24°C. Precipitation is likely — peak probability 80% around 10 PM. Sunrise: 6:20AM · Sunset: 7:48PM.

Alerts

Flash Flood Warning
Somerset County, MD, Wicomico County, MD, Worcester County, MD
Expires 11:00 PM
43 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
80%
11 PM
23°
62%
12 AM
23°
44%
1 AM
22°
41%
2 AM
22°
10%
3 AM
21°
11%
4 AM
21°
13%
5 AM
19°
13%
6 AM
19°
13%
7 AM
19°
6%
8 AM
19°
6%
9 AM
21°
7%
10 AM
22°
3%
11 AM
23°
6%
12 PM
23°
11%
1 PM
25°
14%
2 PM
26°
14%
3 PM
25°
22%
4 PM
25°
35%
5 PM
25°
36%
6 PM
25°
36%
7 PM
24°
25%
8 PM
24°
28%
9 PM
23°
36%
7-Day Forecast
Tonight
28° 19°
Thunderstorm, 80% chance.
Fri
27° 19°
Mostly Cloudy with a 51% chance of rain.
Sat
26° 22°
Heavy Rain, 90% chance.
Sun
29° 21°
Partly Cloudy with a 69% chance of rain.
Mon
28° 20°
Clear with a 30% chance of rain.
Tue
29° 21°
Rain, 70% chance.
Wed
28° 21°
Rain, 82% chance.
TimeTempConditionsPrecipWindHumidity
Now 24° Thunderstorm 80% 7 mph WSW 92%
11 PM 23° Overcast 62% 6 mph WNW 94%
12 AM 23° Mostly Cloudy 44% 7 mph WNW 95%
1 AM 22° Overcast 41% 7 mph NW 94%
2 AM 22° Overcast 10% 7 mph NW 95%
3 AM 21° Overcast 11% 7 mph NNW 95%
4 AM 21° Overcast 13% 7 mph NNW 94%
5 AM 19° Overcast 13% 8 mph NNW 95%
6 AM 19° Overcast 13% 8 mph NNW 94%
7 AM 19° Mostly Cloudy 6% 8 mph NNW 93%
8 AM 19° Mostly Cloudy 6% 9 mph N 91%
9 AM 21° Mostly Cloudy 7% 8 mph N 87%
10 AM 22° Partly Cloudy 3% 8 mph N 83%
11 AM 23° Partly Cloudy 6% 8 mph N 78%
12 PM 23° Partly Cloudy 11% 7 mph N 76%
1 PM 25° Mostly Cloudy 14% 7 mph N 74%
2 PM 26° Mostly Cloudy 14% 7 mph NNE 73%
3 PM 25° Mostly Cloudy 22% 7 mph NNE 74%
4 PM 25° Mostly Cloudy 35% 7 mph NNE 76%
5 PM 25° Mostly Cloudy 36% 7 mph NNE 78%
6 PM 25° Mostly Cloudy 36% 6 mph NNE 79%
7 PM 24° Mostly Cloudy 25% 6 mph NNE 79%
8 PM 24° Mostly Cloudy 28% 6 mph NNE 80%
9 PM 23° Mostly Cloudy 36% 5 mph NE 81%
15-Day Forecast
Today
8/20
Thunderstorm
80%
19°
28°
Fri
8/21
Mostly Cloudy
51%
19°
27°
Sat
8/22
Heavy Rain
90%
22°
26°
Sun
8/23
Partly Cloudy
69%
21°
29°
Mon
8/24
Clear
30%
20°
28°
Tue
8/25
Rain
70%
21°
29°
Wed
8/26
Rain
82%
21°
28°
Thu
8/27
Rain
82%
22°
28°
Fri
8/28
Rain
68%
22°
29°
Sat
8/29
Rain
68%
22°
29°
Sun
8/30
Drizzle
64%
22°
30°
Mon
8/31
Drizzle
60%
22°
29°
Tue
9/1
Drizzle
60%
21°
27°
Wed
9/2
Drizzle
60%
20°
27°
Thu
9/3
Drizzle
60%
21°
26°
43
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
39 AQI 7.0 µg/m³
O3
Ground-level ozone
Dominant
43 AQI 47 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 43 Good 43 39
Sat 34 Good 34 26
Sun 39 Good 39 14
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 Thu Aug 20, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE594 J/kg
MLCAPE970 J/kg
MUCAPE1279 J/kg
SBCIN-78 J/kg
MLCIN-28 J/kg
Lifted Index-2.7
Kinematics
0–6 km Shear32 kt
0–1 km Shear23 kt
Eff. Shear32 kt
0–1 km SRH29
0–3 km SRH22
Eff. SRH22
Storm Motion272° @ 32 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.1
STP (eff)0.1
Supercell0.5
K-Index38.9
Thermo & Levels
PWAT2.46 in
0–3 km LR5.1 °C/km
700–500 LR5.4 °C/km
Total Totals46.6
LCL989 hPa
LFC791 hPa
EL249 hPa
Freezing Lvl14,941 ft