Northumberland County, Virginia, United States

Last updated: 9:11 PM CDT  ·  Refresh
25°C
Feels like 27°
Rain
▲ 30°  /  ▼ 21°
Wind
7 mph NW
Humidity
83%
Dew Point
23°
Pressure
29.91 inHg
Visibility
6 mi
UV Index
0.0
Cloud Cover
94%
Sunrise
6:25 AM
Sunset
7:52 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Northumberland County is currently rain at 25°C. Precipitation is likely — peak probability 60% around 11 PM. Atmospheric instability is elevated (CAPE up to 573 J/kg) — isolated convective development possible. Sunrise: 6:25AM · Sunset: 7:52PM.

Alerts

No active alerts for this location.
42 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
25°
49%
11 PM
24°
60%
12 AM
23°
41%
1 AM
23°
28%
2 AM
22°
10%
3 AM
21°
11%
4 AM
21°
8%
5 AM
21°
3%
6 AM
21°
3%
7 AM
21°
3%
8 AM
21°
6%
9 AM
22°
11%
10 AM
23°
11%
11 AM
24°
13%
12 PM
24°
13%
1 PM
26°
13%
2 PM
26°
22%
3 PM
26°
31%
4 PM
26°
32%
5 PM
26°
36%
6 PM
26°
40%
7 PM
25°
40%
8 PM
24°
41%
9 PM
23°
49%
7-Day Forecast
Tonight
30° 21°
Rain, 49% chance.
Fri
28° 21°
Partly Cloudy with a 47% chance of rain.
Sat
27° 22°
Rain, 90% chance.
Sun
30° 22°
Partly Cloudy with a 51% chance of rain.
Mon
29° 20°
Clear.
Tue
27° 19°
Heavy Rain, 82% chance.
Wed
28° 21°
Rain, 82% chance.
TimeTempConditionsPrecipWindHumidity
Now 25° Rain 49% 7 mph NW 83%
11 PM 24° Overcast 60% 6 mph N 83%
12 AM 23° Mostly Cloudy 41% 8 mph N 85%
1 AM 23° Partly Cloudy 28% 9 mph NNW 88%
2 AM 22° Mostly Cloudy 10% 9 mph N 89%
3 AM 21° Mostly Cloudy 11% 9 mph N 89%
4 AM 21° Partly Cloudy 8% 9 mph N 89%
5 AM 21° Mostly Cloudy 3% 9 mph N 89%
6 AM 21° Partly Cloudy 3% 9 mph N 89%
7 AM 21° Mostly Cloudy 3% 9 mph N 88%
8 AM 21° Mostly Cloudy 6% 10 mph N 86%
9 AM 22° Mostly Cloudy 11% 10 mph N 83%
10 AM 23° Mostly Cloudy 11% 10 mph N 80%
11 AM 24° Partly Cloudy 13% 9 mph N 77%
12 PM 24° Partly Cloudy 13% 8 mph N 76%
1 PM 26° Partly Cloudy 13% 7 mph N 75%
2 PM 26° Partly Cloudy 22% 6 mph N 74%
3 PM 26° Partly Cloudy 31% 6 mph NNE 73%
4 PM 26° Partly Cloudy 32% 6 mph NNE 72%
5 PM 26° Partly Cloudy 36% 6 mph NNE 73%
6 PM 26° Partly Cloudy 40% 6 mph NE 74%
7 PM 25° Mostly Cloudy 40% 7 mph NE 76%
8 PM 24° Mostly Cloudy 41% 7 mph ENE 78%
9 PM 23° Overcast 49% 7 mph ENE 79%
15-Day Forecast
Today
8/20
Rain
49%
21°
30°
Fri
8/21
Partly Cloudy
47%
21°
28°
Sat
8/22
Rain
90%
22°
27°
Sun
8/23
Partly Cloudy
51%
22°
30°
Mon
8/24
Clear
16%
20°
29°
Tue
8/25
Heavy Rain
82%
19°
27°
Wed
8/26
Rain
82%
21°
28°
Thu
8/27
Rain
90%
21°
29°
Fri
8/28
Rain
68%
21°
29°
Sat
8/29
Rain
68%
21°
30°
Sun
8/30
Drizzle
60%
21°
32°
Mon
8/31
Drizzle
60%
21°
31°
Tue
9/1
Drizzle
60%
20°
28°
Wed
9/2
Drizzle
60%
20°
27°
Thu
9/3
Drizzle
60%
20°
27°
42
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

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

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
42 AQI 7.5 µg/m³
O3
Ground-level ozone
41 AQI 45 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 42 Good 41 42
Sat 33 Good 33 19
Sun 36 Good 36 12
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
SBCAPE602 J/kg
MLCAPE782 J/kg
MUCAPE1185 J/kg
SBCIN-47 J/kg
MLCIN-18 J/kg
Lifted Index-1.9
Kinematics
0–6 km Shear30 kt
0–1 km Shear13 kt
Eff. Shear31 kt
0–1 km SRH-22
0–3 km SRH59
Eff. SRH59
Storm Motion281° @ 30 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.2
Supercell1.1
K-Index38.8
Thermo & Levels
PWAT2.32 in
0–3 km LR5.4 °C/km
700–500 LR4.9 °C/km
Total Totals45.5
LCL979 hPa
LFC812 hPa
EL255 hPa
Freezing Lvl15,486 ft