Areal Flood Watch 9:00 PM

Lancaster County, Virginia, United States

Last updated: 8:53 PM CDT  ·  Refresh
20°C
Feels like 20°
Partly Cloudy
▲ 26°  /  ▼ 17°
Wind
7 mph NW
Humidity
85%
Dew Point
17°
Pressure
29.87 inHg
Visibility
8 mi
UV Index
0.0
Cloud Cover
39%
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
20°
13%
10 PM
18°
23%
11 PM
18°
21%
12 AM
17°
14%
1 AM
18°
7%
2 AM
17°
3%
3 AM
17°
3%
4 AM
17°
3%
5 AM
17°
3%
6 AM
18°
3%
7 AM
19°
3%
8 AM
21°
3%
9 AM
23°
3%
10 AM
25°
3%
11 AM
26°
3%
12 PM
27°
3%
1 PM
28°
3%
2 PM
28°
3%
3 PM
28°
3%
4 PM
28°
3%
5 PM
26°
3%
6 PM
25°
3%
7 PM
24°
3%
8 PM
23°
3%
7-Day Forecast
Tonight
26° 17°
Partly Cloudy.
Wed
28° 17°
Mostly Clear.
Thu
29° 19°
Partly Cloudy.
Fri
34° 23°
Rain, 83% chance.
Sat
30° 20°
Rain, 73% chance.
Sun
29° 19°
Clear with a 34% chance of rain.
Mon
29° 18°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 20° Partly Cloudy 13% 7 mph NW 85%
10 PM 18° Clear 23% 6 mph NNW 89%
11 PM 18° Rain 21% 5 mph NNW 89%
12 AM 17° Drizzle 14% 5 mph NW 89%
1 AM 18° Clear 7% 6 mph WNW 89%
2 AM 17° Clear 3% 6 mph WNW 89%
3 AM 17° Clear 3% 5 mph WNW 88%
4 AM 17° Clear 3% 5 mph WNW 88%
5 AM 17° Clear 3% 6 mph NW 85%
6 AM 18° Clear 3% 6 mph NW 81%
7 AM 19° Clear 3% 7 mph NNW 76%
8 AM 21° Clear 3% 8 mph NNW 67%
9 AM 23° Clear 3% 8 mph NNW 57%
10 AM 25° Clear 3% 8 mph NNW 49%
11 AM 26° Mostly Clear 3% 7 mph NNW 45%
12 PM 27° Mostly Clear 3% 7 mph NW 43%
1 PM 28° Mostly Clear 3% 6 mph NW 40%
2 PM 28° Mostly Clear 3% 5 mph NW 40%
3 PM 28° Mostly Clear 3% 4 mph NW 40%
4 PM 28° Mostly Clear 3% 4 mph NW 40%
5 PM 26° Mostly Clear 3% 4 mph NW 45%
6 PM 25° Mostly Clear 3% 4 mph WNW 51%
7 PM 24° Mostly Clear 3% 5 mph SW 57%
8 PM 23° Partly Cloudy 3% 5 mph SSW 58%
15-Day Forecast
Today
6/23
Partly Cloudy
13%
17°
26°
Wed
6/24
Mostly Clear
14%
17°
28°
Thu
6/25
Partly Cloudy
7%
19°
29°
Fri
6/26
Rain
83%
23°
34°
Sat
6/27
Rain
73%
20°
30°
Sun
6/28
Clear
34%
19°
29°
Mon
6/29
Clear
13%
18°
29°
Tue
6/30
Clear
13%
18°
31°
Wed
7/1
Drizzle
71%
20°
36°
Thu
7/2
Drizzle
67%
22°
34°
Fri
7/3
Clear
53%
24°
34°
Sat
7/4
Clear
66%
22°
34°
Sun
7/5
Drizzle
66%
22°
34°
Mon
7/6
Drizzle
66%
21°
32°
Tue
7/7
Clear
66%
21°
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, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE2 J/kg
MUCAPE0 J/kg
SBCIN-7763 J/kg
MLCIN0 J/kg
Lifted Index3.2
Kinematics
0–6 km Shear24 kt
0–1 km Shear19 kt
Eff. Shear—
0–1 km SRH-13
0–3 km SRH-81
Eff. SRH—
Storm Motion220° @ 8 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado-0.0
STP (eff)—
Supercell—
K-Index29.6
Thermo & Levels
PWAT1.60 in
0–3 km LR4.1 °C/km
700–500 LR6.1 °C/km
Total Totals43.3
LCL976 hPa
LFC—
EL—
Freezing Lvl14,193 ft