Northumberland County, Virginia, United States

Last updated: 10:36 PM CDT · Refresh

23°C

Feels like 26°

Overcast

▲ 28° / ▼ 21°

Wind

9 mph WSW

Humidity

93%

Dew Point

22°

Pressure

29.74 inHg

Visibility

10 mi

UV Index

0.0

Cloud Cover

95%

Sunrise

6:00 AM

Sunset

8:24 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Northumberland County is currently overcast at 24°C. Precipitation is likely — peak probability 90% around 11 PM. Atmospheric instability is elevated (CAPE up to 1662 J/kg) — isolated convective development possible. Sunrise: 6:00AM · Sunset: 8:24PM.

34 AQI · Good Dominant: O3 Air Quality

Hourly Forecast · Next 24 Hours

Now

23°

90%

12 AM

23°

90%

1 AM

23°

90%

2 AM

23°

90%

3 AM

23°

84%

4 AM

23°

75%

5 AM

23°

66%

6 AM

23°

66%

7 AM

24°

47%

8 AM

25°

61%

9 AM

26°

56%

10 AM

27°

51%

11 AM

28°

41%

12 PM

28°

44%

1 PM

29°

54%

2 PM

29°

62%

3 PM

29°

62%

4 PM

29°

69%

5 PM

27°

74%

6 PM

27°

75%

7 PM

27°

80%

8 PM

26°

80%

9 PM

26°

73%

10 PM

26°

71%

7-Day Forecast

Tonight

28° 21°

Overcast with a 90% chance of rain.

Wed

30° 21°

Mostly Cloudy with a 90% chance of rain.

Thu

26° 21°

Partly Cloudy with a 39% chance of rain.

Fri

27° 21°

Partly Cloudy with a 44% chance of rain.

Sat

26° 19°

Overcast with a 45% chance of rain.

Sun

28° 19°

Rain, 70% chance.

Mon

32° 21°

Rain, 71% chance.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 23° Overcast 90% 9 mph WSW 93%

12 AM 23° Rain 90% 8 mph W 95%

1 AM 23° Heavy Rain 90% 6 mph SW 96%

2 AM 23° Heavy Rain 90% 7 mph SSW 96%

3 AM 23° Overcast 84% 9 mph SSW 96%

4 AM 23° Overcast 75% 12 mph SSW 95%

5 AM 23° Heavy Rain 66% 13 mph SSW 93%

6 AM 23° Mostly Cloudy 66% 13 mph SW 92%

7 AM 24° Partly Cloudy 47% 14 mph SW 90%

8 AM 25° Partly Cloudy 61% 13 mph SW 87%

9 AM 26° Mostly Cloudy 56% 13 mph SW 82%

10 AM 27° Mostly Cloudy 51% 13 mph SW 78%

11 AM 28° Mostly Cloudy 41% 12 mph SW 75%

12 PM 28° Mostly Cloudy 44% 12 mph SW 71%

1 PM 29° Mostly Cloudy 54% 11 mph SW 67%

2 PM 29° Mostly Cloudy 62% 11 mph SW 67%

3 PM 29° Partly Cloudy 62% 11 mph SW 70%

4 PM 29° Partly Cloudy 69% 11 mph SW 72%

5 PM 27° Partly Cloudy 74% 10 mph SW 75%

6 PM 27° Partly Cloudy 75% 9 mph SW 79%

7 PM 27° Mostly Cloudy 80% 8 mph SW 83%

8 PM 26° Mostly Cloudy 80% 7 mph SW 86%

9 PM 26° Mostly Cloudy 73% 6 mph SW 88%

10 PM 26° Heavy Rain 71% 6 mph SW 90%

15-Day Forecast

Today

7/21

Overcast

90%

21°

28°

Wed

7/22

Mostly Cloudy

90%

21°

30°

Thu

7/23

Partly Cloudy

39%

21°

26°

Fri

7/24

Partly Cloudy

44%

21°

27°

Sat

7/25

Overcast

45%

19°

26°

Sun

7/26

Rain

70%

19°

28°

Mon

7/27

Rain

71%

21°

32°

Tue

7/28

Thunderstorm

71%

21°

33°

Wed

7/29

Rain

69%

20°

29°

Thu

7/30

Drizzle

44%

19°

28°

Fri

7/31

Drizzle

60%

19°

28°

Sat

8/1

Drizzle

60%

20°

28°

Sun

8/2

Drizzle

60%

20°

28°

Mon

8/3

Drizzle

60%

21°

30°

Tue

8/4

Drizzle

60%

22°

31°

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

PM_2.5

Fine particulate matter

24 AQI 4.4 µg/m³

O₃

Ground-level ozone

Dominant

34 AQI 37 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Today 34 Good 34 24

Thu 38 Good 38 29

Fri 33 Good 33 28

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. PM_2.5 (fine particles) is reported in µg/m³ and ozone (O₃) in ppb. Forecast source: NWS NAQFC.

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

0–1 1–3 3–6 6–9 km

Instability

SBCAPE425 J/kg

MLCAPE748 J/kg

MUCAPE996 J/kg

SBCIN-56 J/kg

MLCIN0 J/kg

Lifted Index-1.9

Kinematics

0–6 km Shear40 kt

0–1 km Shear30 kt

Eff. Shear41 kt

0–1 km SRH-75

0–3 km SRH-80

Eff. SRH-80

Storm Motion226° @ 40 kt

0–1 km EHI-0.2

Composite Parameters

Sig. Tornado0.0

STP (eff)0.0

Supercell0.0

K-Index36.8

Thermo & Levels

PWAT2.43 in

0–3 km LR4.8 °C/km

700–500 LR5.5 °C/km

Total Totals47.4

LCL989 hPa

LFC807 hPa

EL293 hPa

Freezing Lvl15,289 ft

Northumberland County, Virginia, United States

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