Areal Flood Watch 9:00 PM

Lancaster County, Virginia, United States

Last updated: 7:12 PM CDT  ·  Refresh
21°C
Feels like 20°
Partly Cloudy
▲ 26°  /  ▼ 17°
Wind
10 mph NNW
Humidity
85%
Dew Point
18°
Pressure
29.84 inHg
Visibility
9 mi
UV Index
0.8
Cloud Cover
58%
Sunrise
5:44 AM
Sunset
8:31 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Lancaster County is currently partly cloudy at 20°C. Dry conditions are expected through the next 24 hours. Sunrise: 5:44AM · Sunset: 8:31PM.

Alerts

Areal Flood Watch
Expires 9:00 PM
38 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
21°
27%
9 PM
18°
29%
10 PM
18°
21%
11 PM
18°
21%
12 AM
18°
21%
1 AM
18°
14%
2 AM
17°
3%
3 AM
17°
3%
4 AM
17°
3%
5 AM
17°
3%
6 AM
17°
3%
7 AM
18°
3%
8 AM
20°
3%
9 AM
22°
3%
10 AM
24°
3%
11 AM
25°
3%
12 PM
26°
3%
1 PM
27°
3%
2 PM
27°
3%
3 PM
28°
3%
4 PM
28°
3%
5 PM
27°
3%
6 PM
26°
3%
7 PM
24°
3%
7-Day Forecast
Tonight
26° 17°
Partly Cloudy with a 27% chance of rain.
Wed
28° 17°
Mostly Clear.
Thu
29° 19°
Partly Cloudy.
Fri
33° 23°
Heavy Rain, 79% chance.
Sat
31° 21°
Rain, 73% chance.
Sun
29° 19°
Clear with a 34% chance of rain.
Mon
29° 18°
Clear with a 21% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 21° Partly Cloudy 27% 10 mph NNW 85%
9 PM 18° Partly Cloudy 29% 8 mph NNW 89%
10 PM 18° Rain 21% 6 mph NNW 88%
11 PM 18° Rain 21% 5 mph NNW 87%
12 AM 18° Rain 21% 5 mph NW 87%
1 AM 18° Drizzle 14% 5 mph NW 87%
2 AM 17° Clear 3% 6 mph WNW 88%
3 AM 17° Clear 3% 6 mph WNW 88%
4 AM 17° Clear 3% 5 mph NW 88%
5 AM 17° Clear 3% 5 mph NW 88%
6 AM 17° Clear 3% 6 mph NW 84%
7 AM 18° Clear 3% 6 mph NW 80%
8 AM 20° Clear 3% 8 mph NNW 73%
9 AM 22° Clear 3% 8 mph NNW 64%
10 AM 24° Clear 3% 8 mph NNW 55%
11 AM 25° Clear 3% 8 mph NNW 48%
12 PM 26° Mostly Clear 3% 7 mph NNW 44%
1 PM 27° Mostly Clear 3% 7 mph NW 42%
2 PM 27° Mostly Clear 3% 6 mph NW 40%
3 PM 28° Mostly Clear 3% 5 mph NW 40%
4 PM 28° Mostly Clear 3% 4 mph NNW 40%
5 PM 27° Mostly Clear 3% 4 mph NNW 41%
6 PM 26° Mostly Clear 3% 3 mph NNW 47%
7 PM 24° Partly Cloudy 3% 3 mph SSE 53%
15-Day Forecast
Today
6/23
Partly Cloudy
27%
17°
26°
Wed
6/24
Mostly Clear
3%
17°
28°
Thu
6/25
Partly Cloudy
3%
19°
29°
Fri
6/26
Heavy Rain
79%
23°
33°
Sat
6/27
Rain
73%
21°
31°
Sun
6/28
Clear
34%
19°
29°
Mon
6/29
Clear
21%
18°
29°
Tue
6/30
Clear
21%
18°
31°
Wed
7/1
Rain
67%
19°
36°
Thu
7/2
Rain
67%
21°
34°
Fri
7/3
Drizzle
67%
21°
34°
Sat
7/4
Rain
69%
21°
34°
Sun
7/5
Drizzle
66%
21°
34°
Mon
7/6
Drizzle
66%
20°
32°
Tue
7/7
Drizzle
66%
20°
32°
38
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
26 AQI 4.8 µg/m³
O3
Ground-level ozone
Dominant
38 AQI 42 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 38 Good 38 26
Thu 45 Good 45 28
Fri 47 Good 47 38
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 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Tue Jun 23, 22:00'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
SBCAPE0 J/kg
MLCAPE7 J/kg
MUCAPE0 J/kg
SBCIN-6814 J/kg
MLCIN0 J/kg
Lifted Index2.5
Kinematics
0–6 km Shear30 kt
0–1 km Shear10 kt
Eff. Shear—
0–1 km SRH-8
0–3 km SRH-55
Eff. SRH—
Storm Motion217° @ 12 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado-0.0
STP (eff)—
Supercell—
K-Index33.5
Thermo & Levels
PWAT1.94 in
0–3 km LR4.5 °C/km
700–500 LR5.7 °C/km
Total Totals43.6
LCL977 hPa
LFC—
EL—
Freezing Lvl14,337 ft