Freeze Watch 8:00 AM

Northumberland County, Pennsylvania, United States

Last updated: 9:09 PM CDT  ·  Refresh
14°C
Feels like 12°
Partly Cloudy
▲ 20°  /  ▼ 5°
Wind
8 mph NW
Humidity
82%
Dew Point
11°
Pressure
29.08 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
50%
Sunrise
7:19 AM
Sunset
6:24 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Northumberland County is currently partly cloudy at 14°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:19AM · Sunset: 6:24PM.

Alerts

Freeze Watch
Expires 8:00 AM
29 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
14°
9%
11 PM
13°
10%
12 AM
11°
8%
1 AM
9°
8%
2 AM
8°
4%
3 AM
7°
4%
4 AM
7°
4%
5 AM
6°
3%
6 AM
6°
3%
7 AM
5°
13%
8 AM
5°
15%
9 AM
5°
13%
10 AM
5°
3%
11 AM
6°
3%
12 PM
6°
3%
1 PM
10°
3%
2 PM
10°
3%
3 PM
10°
3%
4 PM
9°
3%
5 PM
9°
3%
6 PM
8°
3%
7 PM
7°
3%
8 PM
7°
3%
9 PM
4°
3%
7-Day Forecast
Tonight
20° 5°
Partly Cloudy.
Sat
16° 1°
Partly Cloudy.
Sun
17° -1°
Clear.
Mon
20° 2°
Clear.
Tue
22° 4°
Clear.
Wed
20° 3°
Clear.
Thu
19° 2°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 14° Partly Cloudy 9% 8 mph NW 82%
11 PM 13° Partly Cloudy 10% 10 mph NW 84%
12 AM 11° Partly Cloudy 8% 11 mph NNW 84%
1 AM 9° Mostly Clear 8% 11 mph NNW 82%
2 AM 8° Partly Cloudy 4% 10 mph NNW 81%
3 AM 7° Mostly Cloudy 4% 10 mph NNW 80%
4 AM 7° Mostly Cloudy 4% 10 mph NNW 79%
5 AM 6° Overcast 3% 9 mph N 78%
6 AM 6° Overcast 3% 9 mph NNW 77%
7 AM 5° Overcast 13% 10 mph NNW 75%
8 AM 5° Overcast 15% 10 mph NNW 73%
9 AM 5° Overcast 13% 12 mph NNW 68%
10 AM 5° Overcast 3% 13 mph NNW 62%
11 AM 6° Mostly Cloudy 3% 14 mph N 56%
12 PM 6° Mostly Cloudy 3% 14 mph NNW 52%
1 PM 10° Partly Cloudy 3% 14 mph NNW 49%
2 PM 10° Partly Cloudy 3% 14 mph NNW 46%
3 PM 10° Partly Cloudy 3% 13 mph NNW 46%
4 PM 9° Partly Cloudy 3% 12 mph NNW 46%
5 PM 9° Mostly Clear 3% 11 mph NNW 46%
6 PM 8° Mostly Clear 3% 10 mph NNW 47%
7 PM 7° Mostly Clear 3% 9 mph NNW 48%
8 PM 7° Mostly Clear 3% 8 mph NNW 50%
9 PM 4° Clear 3% 7 mph NNW 52%
15-Day Forecast
Today
10/16
Partly Cloudy
9%
5°
20°
Sat
10/17
Partly Cloudy
13%
1°
16°
Sun
10/18
Clear
3%
-1°
17°
Mon
10/19
Clear
3%
2°
20°
Tue
10/20
Clear
3%
4°
22°
Wed
10/21
Clear
3%
3°
20°
Thu
10/22
Clear
3%
2°
19°
Fri
10/23
Clear
3%
4°
21°
Sat
10/24
Clear
3%
3°
19°
Sun
10/25
Clear
3%
2°
19°
Mon
10/26
Clear
25%
3°
19°
Tue
10/27
Clear
60%
6°
19°
Wed
10/28
Clear
25%
4°
18°
Thu
10/29
Clear
60%
4°
17°
Fri
10/30
Drizzle
60%
4°
18°
29
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
21 AQI 3.8 µg/m³
O3
Ground-level ozone
Dominant
29 AQI 32 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 29 Good 29 21
Sun 31 Good 31 2
Mon 26 Good 26 6
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 Fri Oct 16, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 90 100 110 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE4 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index8.7
Kinematics
0–6 km Shear76 kt
0–1 km Shear24 kt
Eff. Shear—
0–1 km SRH-197
0–3 km SRH-197
Eff. SRH—
Storm Motion260° @ 52 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index19.9
Thermo & Levels
PWAT1.01 in
0–3 km LR4.3 °C/km
700–500 LR5.6 °C/km
Total Totals35.3
LCL937 hPa
LFC—
EL—
Freezing Lvl10,538 ft