Severe Thunderstorm Watch 9:00 PM Severe Thunderstorm Watch 9:00 PM Excessive Heat Warning — Dorchester, MD, Wicomico, MD, Somerset, MD, Inland Worcester, MD, Northampton, NC, Hertford, NC, Gates, NC, Pasquotank, NC, Camden, NC, Western Currituck, NC, Bertie, NC, Chowan, NC, Perquimans, NC, Fluvanna, VA, Prince Edward, VA, Cumberland, VA, Goochland, VA, Caroline, VA, Nottoway, VA, Amelia, VA, Powhatan, VA, Westmoreland, VA, Richmond, VA, Northumberland, VA, Lancaster, VA, Dinwiddie, VA, Prince George, VA, Charles City, VA, New Kent, VA, Gloucester, VA, Middlesex, VA, Mathews, VA, Sussex, VA, Surry, VA, James City, VA, Western Louisa, VA, Eastern Louisa, VA, Western Hanover, VA, Eastern Hanover, VA, Western Chesterfield, VA, Eastern Chesterfield (Including Col. Heights), VA, Western Henrico (Including the City of Richmond), VA, Eastern Henrico, VA, Western King William, VA, Eastern King William, VA, Western King and Queen, VA, Eastern King and Queen, VA, Western Essex, VA, Eastern Essex, VA, York, VA, Mecklenburg, VA, Lunenburg, VA, Brunswick, VA, Greensville, VA, Southampton, VA, Chesapeake, VA, Virginia Beach, VA, Accomack, VA, Northampton, VA, Newport News, VA, Hampton/Poquoson, VA, Isle of Wight, VA, Suffolk, VA, Norfolk, VA, Portsmouth, VA, Eastern Currituck, NC 7:00 PM Heat Advisory — Dorchester, MD, Wicomico, MD, Somerset, MD, Inland Worcester, MD, Northampton, NC, Hertford, NC, Gates, NC, Pasquotank, NC, Camden, NC, Western Currituck, NC, Bertie, NC, Chowan, NC, Perquimans, NC, Fluvanna, VA, Prince Edward, VA, Cumberland, VA, Goochland, VA, Caroline, VA, Mecklenburg, VA, Lunenburg, VA, Nottoway, VA, Amelia, VA, Powhatan, VA, Westmoreland, VA, Richmond, VA, Northumberland, VA, Lancaster, VA, Brunswick, VA, Dinwiddie, VA, Prince George, VA, Charles City, VA, New Kent, VA, Gloucester, VA, Middlesex, VA, Mathews, VA, Greensville, VA, Sussex, VA, Surry, VA, James City, VA, Southampton, VA, Chesapeake, VA, Virginia Beach, VA, Western Louisa, VA, Eastern Louisa, VA, Western Hanover, VA, Eastern Hanover, VA, Western Chesterfield, VA, Eastern Chesterfield (Including Col. Heights), VA, Western Henrico (Including the City of Richmond), VA, Eastern Henrico, VA, Western King William, VA, Eastern King William, VA, Western King and Queen, VA, Eastern King and Queen, VA, Western Essex, VA, Eastern Essex, VA, York, VA, Newport News, VA, Hampton/Poquoson, VA, Isle of Wight, VA, Suffolk, VA, Norfolk, VA, Portsmouth, VA, Accomack, VA, Northampton, VA, Eastern Currituck, NC 7:00 PM

Lancaster County, Virginia, United States

Last updated: 3:01 PM CDT  ·  Refresh
37°C
Feels like 43°
Mostly Cloudy
▲ 38°  /  ▼ 24°
Wind
5 mph SSE
Humidity
42%
Dew Point
24°
Pressure
29.83 inHg
Visibility
10 mi
UV Index
6.6
Cloud Cover
65%
Sunrise
5:49 AM
Sunset
8:31 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Lancaster County is currently mostly cloudy at 37°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3542 J/kg) — isolated convective development possible. Sunrise: 5:49AM · Sunset: 8:31PM.

Alerts

Severe Thunderstorm Watch
Expires 9:00 PM
Severe Thunderstorm Watch
Expires 9:00 PM
Excessive Heat Warning
Dorchester, MD, Wicomico, MD, Somerset, MD, Inland Worcester, MD, Northampton, NC, Hertford, NC, Gates, NC, Pasquotank, NC, Camden, NC, Western Currituck, NC, Bertie, NC, Chowan, NC, Perquimans, NC, Fluvanna, VA, Prince Edward, VA, Cumberland, VA, Goochland, VA, Caroline, VA, Nottoway, VA, Amelia, VA, Powhatan, VA, Westmoreland, VA, Richmond, VA, Northumberland, VA, Lancaster, VA, Dinwiddie, VA, Prince George, VA, Charles City, VA, New Kent, VA, Gloucester, VA, Middlesex, VA, Mathews, VA, Sussex, VA, Surry, VA, James City, VA, Western Louisa, VA, Eastern Louisa, VA, Western Hanover, VA, Eastern Hanover, VA, Western Chesterfield, VA, Eastern Chesterfield (Including Col. Heights), VA, Western Henrico (Including the City of Richmond), VA, Eastern Henrico, VA, Western King William, VA, Eastern King William, VA, Western King and Queen, VA, Eastern King and Queen, VA, Western Essex, VA, Eastern Essex, VA, York, VA, Mecklenburg, VA, Lunenburg, VA, Brunswick, VA, Greensville, VA, Southampton, VA, Chesapeake, VA, Virginia Beach, VA, Accomack, VA, Northampton, VA, Newport News, VA, Hampton/Poquoson, VA, Isle of Wight, VA, Suffolk, VA, Norfolk, VA, Portsmouth, VA, Eastern Currituck, NC
Expires 7:00 PM
Heat Advisory
Dorchester, MD, Wicomico, MD, Somerset, MD, Inland Worcester, MD, Northampton, NC, Hertford, NC, Gates, NC, Pasquotank, NC, Camden, NC, Western Currituck, NC, Bertie, NC, Chowan, NC, Perquimans, NC, Fluvanna, VA, Prince Edward, VA, Cumberland, VA, Goochland, VA, Caroline, VA, Mecklenburg, VA, Lunenburg, VA, Nottoway, VA, Amelia, VA, Powhatan, VA, Westmoreland, VA, Richmond, VA, Northumberland, VA, Lancaster, VA, Brunswick, VA, Dinwiddie, VA, Prince George, VA, Charles City, VA, New Kent, VA, Gloucester, VA, Middlesex, VA, Mathews, VA, Greensville, VA, Sussex, VA, Surry, VA, James City, VA, Southampton, VA, Chesapeake, VA, Virginia Beach, VA, Western Louisa, VA, Eastern Louisa, VA, Western Hanover, VA, Eastern Hanover, VA, Western Chesterfield, VA, Eastern Chesterfield (Including Col. Heights), VA, Western Henrico (Including the City of Richmond), VA, Eastern Henrico, VA, Western King William, VA, Eastern King William, VA, Western King and Queen, VA, Eastern King and Queen, VA, Western Essex, VA, Eastern Essex, VA, York, VA, Newport News, VA, Hampton/Poquoson, VA, Isle of Wight, VA, Suffolk, VA, Norfolk, VA, Portsmouth, VA, Accomack, VA, Northampton, VA, Eastern Currituck, NC
Expires 7:00 PM
64 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
37°
35%
5 PM
38°
45%
6 PM
36°
44%
7 PM
33°
43%
8 PM
31°
43%
9 PM
30°
42%
10 PM
28°
31%
11 PM
28°
12%
12 AM
27°
12%
1 AM
27°
13%
2 AM
26°
8%
3 AM
26°
5%
4 AM
24°
5%
5 AM
24°
5%
6 AM
25°
5%
7 AM
26°
3%
8 AM
27°
3%
9 AM
28°
3%
10 AM
29°
5%
11 AM
32°
5%
12 PM
32°
5%
1 PM
33°
5%
2 PM
34°
5%
3 PM
35°
10%
7-Day Forecast
Today
38° 24°
Mostly Cloudy with a 43% chance of rain.
Sun
37° 24°
Partly Cloudy with a 25% chance of rain.
Mon
33° 24°
Mostly Cloudy with a 85% chance of rain.
Tue
31° 22°
Partly Cloudy with a 39% chance of rain.
Wed
30° 21°
Clear with a 29% chance of rain.
Thu
34° 22°
Rain, 70% chance.
Fri
37° 23°
Rain, 82% chance.
TimeTempConditionsPrecipWindHumidity
Now 37° Mostly Cloudy 35% 5 mph SSE 42%
5 PM 38° Partly Cloudy 45% 7 mph SSE 41%
6 PM 36° Partly Cloudy 44% 6 mph SE 50%
7 PM 33° Mostly Cloudy 43% 7 mph N 58%
8 PM 31° Mostly Cloudy 43% 9 mph NNE 69%
9 PM 30° Mostly Cloudy 42% 8 mph NNE 69%
10 PM 28° Partly Cloudy 31% 5 mph SW 69%
11 PM 28° Partly Cloudy 12% 4 mph S 68%
12 AM 27° Partly Cloudy 12% 3 mph SW 71%
1 AM 27° Mostly Cloudy 13% 3 mph SW 73%
2 AM 26° Mostly Cloudy 8% 5 mph NW 76%
3 AM 26° Partly Cloudy 5% 5 mph NNW 79%
4 AM 24° Partly Cloudy 5% 3 mph ENE 83%
5 AM 24° Partly Cloudy 5% 3 mph ESE 86%
6 AM 25° Partly Cloudy 5% 4 mph ESE 85%
7 AM 26° Mostly Cloudy 3% 4 mph ESE 82%
8 AM 27° Mostly Cloudy 3% 5 mph ESE 79%
9 AM 28° Mostly Cloudy 3% 5 mph SE 73%
10 AM 29° Partly Cloudy 5% 5 mph SE 66%
11 AM 32° Partly Cloudy 5% 6 mph SE 60%
12 PM 32° Partly Cloudy 5% 6 mph SE 58%
1 PM 33° Partly Cloudy 5% 6 mph SE 55%
2 PM 34° Mostly Cloudy 5% 6 mph SE 52%
3 PM 35° Mostly Clear 10% 8 mph SE 53%
15-Day Forecast
Today
7/4
Mostly Cloudy
43%
24°
38°
Sun
7/5
Partly Cloudy
25%
24°
37°
Mon
7/6
Mostly Cloudy
85%
24°
33°
Tue
7/7
Partly Cloudy
39%
22°
31°
Wed
7/8
Clear
29%
21°
30°
Thu
7/9
Rain
70%
22°
34°
Fri
7/10
Rain
82%
23°
37°
Sat
7/11
Drizzle
69%
22°
33°
Sun
7/12
Drizzle
68%
22°
33°
Mon
7/13
Drizzle
64%
21°
31°
Tue
7/14
Drizzle
64%
21°
29°
Wed
7/15
Drizzle
60%
21°
29°
Thu
7/16
Drizzle
90%
22°
31°
Fri
7/17
Drizzle
60%
22°
31°
Sat
7/18
Drizzle
60%
22°
30°
64
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
64 AQI 16.3 µg/m³
O3
Ground-level ozone
58 AQI 57 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sun 64 Moderate 58 64
Mon 53 Moderate 41 53
Tue 43 Good 36 43
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 Sat Jul 4, 18:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE4615 J/kg
MLCAPE3758 J/kg
MUCAPE4615 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-9.6
Kinematics
0–6 km Shear14 kt
0–1 km Shear4 kt
Eff. Shear19 kt
0–1 km SRH-12
0–3 km SRH-57
Eff. SRH-57
Storm Motion206° @ 21 kt
0–1 km EHI-0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index28.0
Thermo & Levels
PWAT1.75 in
0–3 km LR8.4 °C/km
700–500 LR6.7 °C/km
Total Totals52.0
LCL828 hPa
LFC1010 hPa
EL141 hPa
Freezing Lvl14,485 ft