Severe Thunderstorm Watch 11:00 PM Flash Flood Warning — Kent County, DE, Sussex County, DE, Caroline County, MD, Queen Anne's County, MD, Talbot County, MD 1:45 AM

Sussex County, Delaware, United States

Last updated: 10:39 PM CDT  ·  Refresh
23°C
Feels like 26°
Rain
▲ 30°  /  ▼ 21°
Wind
6 mph SSW
Humidity
95%
Dew Point
22°
Pressure
29.72 inHg
Visibility
7 mi
UV Index
0.0
Cloud Cover
98%
Sunrise
5:53 AM
Sunset
8:21 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Sussex County is currently rain at 23°C. Precipitation is likely — peak probability 82% around 12 AM. Atmospheric instability is elevated (CAPE up to 1853 J/kg) — isolated convective development possible. Sunrise: 5:53AM · Sunset: 8:21PM.

Alerts

Severe Thunderstorm Watch
Expires 11:00 PM
Flash Flood Warning
Kent County, DE, Sussex County, DE, Caroline County, MD, Queen Anne's County, MD, Talbot County, MD
Expires 1:45 AM
52 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
81%
12 AM
23°
81%
1 AM
23°
76%
2 AM
23°
65%
3 AM
23°
66%
4 AM
23°
67%
5 AM
22°
44%
6 AM
22°
44%
7 AM
23°
44%
8 AM
24°
33%
9 AM
24°
34%
10 AM
26°
45%
11 AM
27°
61%
12 PM
27°
62%
1 PM
29°
65%
2 PM
29°
75%
3 PM
29°
70%
4 PM
28°
65%
5 PM
29°
71%
6 PM
28°
71%
7 PM
27°
71%
8 PM
27°
71%
9 PM
26°
71%
10 PM
25°
72%
7-Day Forecast
Tonight
30° 21°
Rain, 81% chance.
Wed
29° 21°
Mostly Cloudy with a 75% chance of rain.
Thu
28° 19°
Partly Cloudy with a 34% chance of rain.
Fri
28° 18°
Mostly Cloudy with a 37% chance of rain.
Sat
27° 18°
Overcast with a 37% chance of rain.
Sun
29° 18°
Rain, 70% chance.
Mon
32° 19°
Rain, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 23° Rain 81% 6 mph SSW 95%
12 AM 23° Rain 81% 9 mph SW 94%
1 AM 23° Rain 76% 12 mph SW 93%
2 AM 23° Rain 65% 12 mph SW 93%
3 AM 23° Rain 66% 12 mph SW 93%
4 AM 23° Overcast 67% 9 mph SW 94%
5 AM 22° Overcast 44% 8 mph SW 94%
6 AM 22° Overcast 44% 9 mph SW 93%
7 AM 23° Overcast 44% 11 mph SW 92%
8 AM 24° Overcast 33% 12 mph SW 88%
9 AM 24° Overcast 34% 12 mph SW 83%
10 AM 26° Overcast 45% 12 mph WSW 78%
11 AM 27° Rain 61% 13 mph WSW 75%
12 PM 27° Rain 62% 13 mph WSW 72%
1 PM 29° Rain 65% 13 mph WSW 69%
2 PM 29° Mostly Cloudy 75% 12 mph WSW 67%
3 PM 29° Mostly Cloudy 70% 11 mph WSW 67%
4 PM 28° Partly Cloudy 65% 11 mph WSW 67%
5 PM 29° Partly Cloudy 71% 10 mph WSW 70%
6 PM 28° Mostly Cloudy 71% 8 mph SW 75%
7 PM 27° Mostly Cloudy 71% 6 mph SW 79%
8 PM 27° Mostly Cloudy 71% 5 mph SW 81%
9 PM 26° Mostly Cloudy 71% 5 mph WSW 83%
10 PM 25° Mostly Cloudy 72% 5 mph WSW 86%
15-Day Forecast
Today
7/21
Rain
81%
21°
30°
Wed
7/22
Mostly Cloudy
75%
21°
29°
Thu
7/23
Partly Cloudy
34%
19°
28°
Fri
7/24
Mostly Cloudy
37%
18°
28°
Sat
7/25
Overcast
37%
18°
27°
Sun
7/26
Rain
70%
18°
29°
Mon
7/27
Rain
63%
19°
32°
Tue
7/28
Thunderstorm
71%
20°
32°
Wed
7/29
Rain
69%
19°
30°
Thu
7/30
Drizzle
44%
19°
29°
Fri
7/31
Drizzle
60%
19°
29°
Sat
8/1
Drizzle
60%
20°
29°
Sun
8/2
Drizzle
60%
21°
29°
Mon
8/3
Drizzle
60%
21°
30°
Tue
8/4
Drizzle
60%
22°
31°
52
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
52 AQI 9.9 µg/m³
O3
Ground-level ozone
37 AQI 40 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 52 Moderate 37 52
Thu 38 Good 38 32
Fri 38 Good 38 32
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 Wed Jul 22, 02:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE282 J/kg
MLCAPE318 J/kg
MUCAPE742 J/kg
SBCIN-35 J/kg
MLCIN0 J/kg
Lifted Index-1.3
Kinematics
0–6 km Shear39 kt
0–1 km Shear33 kt
Eff. Shear39 kt
0–1 km SRH-49
0–3 km SRH-29
Eff. SRH-29
Storm Motion220° @ 43 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index38.2
Thermo & Levels
PWAT2.41 in
0–3 km LR4.9 °C/km
700–500 LR5.2 °C/km
Total Totals46.8
LCL992 hPa
LFC794 hPa
EL347 hPa
Freezing Lvl14,974 ft