Northumberland County, Pennsylvania, United States

Last updated: 3:58 AM CDT · Refresh

20°C

Feels like 22°

Thunderstorm

▲ 31° / ▼ 19°

Wind

6 mph ESE

Humidity

98%

Dew Point

19°

Pressure

29.24 inHg

Visibility

2 mi

UV Index

0.0

Cloud Cover

89%

Sunrise

6:35 AM

Sunset

7:35 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Northumberland County is currently thunderstorm at 20°C. Precipitation is likely — peak probability 87% around 4 AM. Atmospheric instability is elevated (CAPE up to 2589 J/kg) — isolated convective development possible. Sunrise: 6:35AM · Sunset: 7:35PM.

44 AQI · Good Dominant: PM2.5 Air Quality

Hourly Forecast · Next 24 Hours

Now

20°

87%

5 AM

18°

73%

6 AM

18°

65%

7 AM

19°

38%

8 AM

21°

16%

9 AM

22°

19%

10 AM

24°

19%

11 AM

25°

29%

12 PM

27°

29%

1 PM

29°

29%

2 PM

29°

36%

3 PM

29°

37%

4 PM

29°

35%

5 PM

28°

65%

6 PM

27°

69%

7 PM

26°

81%

8 PM

25°

81%

9 PM

23°

78%

10 PM

23°

69%

11 PM

22°

53%

12 AM

22°

53%

1 AM

22°

53%

2 AM

21°

52%

3 AM

21°

52%

7-Day Forecast

Today

31° 19°

Partly Cloudy with a 87% chance of rain.

Fri

28° 18°

Partly Cloudy with a 59% chance of rain.

Sat

24° 14°

Partly Cloudy.

Sun

22° 11°

Partly Cloudy.

Mon

26° 11°

Clear.

Tue

27° 11°

Drizzle, 38% chance.

Wed

26° 16°

Rain, 63% chance.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 20° Thunderstorm 87% 6 mph ESE 98%

5 AM 18° Rain 73% 5 mph W 98%

6 AM 18° Rain 65% 4 mph S 97%

7 AM 19° Mostly Cloudy 38% 4 mph SSW 96%

8 AM 21° Partly Cloudy 16% 5 mph SW 92%

9 AM 22° Partly Cloudy 19% 6 mph SW 87%

10 AM 24° Mostly Clear 19% 7 mph SW 82%

11 AM 25° Mostly Clear 29% 7 mph WSW 78%

12 PM 27° Mostly Clear 29% 7 mph WSW 73%

1 PM 29° Partly Cloudy 29% 7 mph WSW 68%

2 PM 29° Mostly Cloudy 36% 7 mph W 67%

3 PM 29° Mostly Cloudy 37% 7 mph W 67%

4 PM 29° Mostly Cloudy 35% 6 mph W 67%

5 PM 28° Mostly Cloudy 65% 5 mph W 71%

6 PM 27° Mostly Cloudy 69% 4 mph WSW 76%

7 PM 26° Rain 81% 4 mph SW 80%

8 PM 25° Overcast 81% 4 mph SSW 84%

9 PM 23° Overcast 78% 4 mph SSW 89%

10 PM 23° Overcast 69% 4 mph WSW 94%

11 PM 22° Mostly Cloudy 53% 4 mph SW 95%

12 AM 22° Mostly Cloudy 53% 4 mph WSW 95%

1 AM 22° Partly Cloudy 53% 4 mph WSW 96%

2 AM 21° Partly Cloudy 52% 4 mph WSW 96%

3 AM 21° Partly Cloudy 52% 4 mph WSW 96%

15-Day Forecast

Today

9/3

Partly Cloudy

87%

19°

31°

Fri

9/4

Partly Cloudy

59%

18°

28°

Sat

9/5

Partly Cloudy

14°

24°

Sun

9/6

Partly Cloudy

15%

11°

22°

Mon

9/7

Clear

11°

26°

Tue

9/8

Drizzle

38%

11°

27°

Wed

9/9

Rain

63%

16°

26°

Thu

9/10

Drizzle

43%

14°

32°

Fri

9/11

Clear

44%

10°

25°

Sat

9/12

Drizzle

51%

9°

24°

Sun

9/13

Drizzle

60%

15°

28°

Mon

9/14

Drizzle

60%

14°

27°

Tue

9/15

Clear

25%

12°

25°

Wed

9/16

Drizzle

60%

12°

25°

Thu

9/17

Drizzle

60%

13°

25°

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

PM_2.5

Fine particulate matter

Dominant

44 AQI 7.9 µg/m³

O₃

Ground-level ozone

43 AQI 46 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Today 44 Good 43 44

Fri 34 Good 34 32

Sat 32 Good 32 32

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 Thu Sep 3, 07:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE24 J/kg

MLCAPE57 J/kg

MUCAPE699 J/kg

SBCIN-170 J/kg

MLCIN-137 J/kg

Lifted Index-0.3

Kinematics

0–6 km Shear45 kt

0–1 km Shear10 kt

Eff. Shear35 kt

0–1 km SRH66

0–3 km SRH110

Eff. SRH96

Storm Motion308° @ 26 kt

0–1 km EHI0.0

Composite Parameters

Sig. Tornado0.0

STP (eff)0.0

Supercell1.2

K-Index38.1

Thermo & Levels

PWAT2.10 in

0–3 km LR4.2 °C/km

700–500 LR6.1 °C/km

Total Totals48.4

LCL984 hPa

LFC639 hPa

EL481 hPa

Freezing Lvl13,543 ft

Northumberland County, Pennsylvania, United States

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