Tornado Watch 8:00 PM

Northampton County, Pennsylvania, United States

Last updated: 6:25 PM CDT  ·  Refresh
23°C
Feels like 27°
Overcast
▲ 26°  /  ▼ 19°
Wind
5 mph S
Humidity
92%
Dew Point
22°
Pressure
29.10 inHg
Visibility
10 mi
UV Index
1.1
Cloud Cover
92%
Sunrise
5:47 AM
Sunset
8:27 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Northampton County is currently overcast at 23°C. Precipitation is likely — peak probability 69% around 9 PM. Atmospheric instability is elevated (CAPE up to 1161 J/kg) — isolated convective development possible. Sunrise: 5:47AM · Sunset: 8:27PM.

Alerts

Tornado Watch
Expires 8:00 PM
92 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
60%
8 PM
24°
67%
9 PM
23°
69%
10 PM
23°
64%
11 PM
22°
65%
12 AM
22°
65%
1 AM
22°
51%
2 AM
21°
48%
3 AM
21°
49%
4 AM
21°
37%
5 AM
20°
33%
6 AM
20°
33%
7 AM
21°
26%
8 AM
22°
21%
9 AM
23°
26%
10 AM
23°
12%
11 AM
24°
16%
12 PM
24°
16%
1 PM
26°
16%
2 PM
27°
16%
3 PM
27°
17%
4 PM
26°
17%
5 PM
27°
11%
6 PM
26°
12%
7-Day Forecast
Tonight
26° 19°
Overcast with a 64% chance of rain.
Wed
28° 16°
Mostly Clear with a 51% chance of rain.
Thu
27° 14°
Clear.
Fri
27° 14°
Mostly Clear.
Sat
27° 14°
Clear.
Sun
28° 16°
Rain, 71% chance.
Mon
28° 17°
Drizzle, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 23° Overcast 60% 5 mph S 92%
8 PM 24° Overcast 67% 7 mph SSW 95%
9 PM 23° Overcast 69% 8 mph SSW 97%
10 PM 23° Rain 64% 8 mph SSW 97%
11 PM 22° Overcast 65% 9 mph SSW 96%
12 AM 22° Mostly Cloudy 65% 8 mph SSW 96%
1 AM 22° Mostly Cloudy 51% 7 mph SW 97%
2 AM 21° Mostly Cloudy 48% 8 mph SW 97%
3 AM 21° Mostly Cloudy 49% 7 mph SW 96%
4 AM 21° Mostly Cloudy 37% 7 mph SW 96%
5 AM 20° Mostly Cloudy 33% 7 mph SW 96%
6 AM 20° Partly Cloudy 33% 7 mph SW 95%
7 AM 21° Partly Cloudy 26% 8 mph SW 93%
8 AM 22° Partly Cloudy 21% 8 mph WSW 89%
9 AM 23° Partly Cloudy 26% 8 mph W 80%
10 AM 23° Mostly Clear 12% 10 mph W 71%
11 AM 24° Mostly Clear 16% 10 mph W 65%
12 PM 24° Mostly Clear 16% 11 mph W 62%
1 PM 26° Mostly Clear 16% 12 mph W 58%
2 PM 27° Mostly Clear 16% 12 mph W 55%
3 PM 27° Mostly Clear 17% 11 mph W 55%
4 PM 26° Mostly Clear 17% 11 mph W 55%
5 PM 27° Mostly Clear 11% 10 mph W 56%
6 PM 26° Mostly Clear 12% 9 mph W 59%
15-Day Forecast
Today
7/21
Overcast
64%
19°
26°
Wed
7/22
Mostly Clear
51%
16°
28°
Thu
7/23
Clear
3%
14°
27°
Fri
7/24
Mostly Clear
3%
14°
27°
Sat
7/25
Clear
17%
14°
27°
Sun
7/26
Rain
71%
16°
28°
Mon
7/27
Drizzle
63%
17°
28°
Tue
7/28
Drizzle
63%
16°
27°
Wed
7/29
Drizzle
68%
15°
27°
Thu
7/30
Drizzle
68%
15°
28°
Fri
7/31
Drizzle
46%
17°
28°
Sat
8/1
Drizzle
60%
17°
27°
Sun
8/2
Drizzle
60%
17°
29°
Mon
8/3
Drizzle
60%
18°
28°
Tue
8/4
Drizzle
60%
18°
29°
92
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
92 AQI 31.1 µg/m³
O3
Ground-level ozone
41 AQI 44 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 92 Moderate 41 92
Thu 56 Moderate 37 56
Fri 59 Moderate 41 59
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 Tue Jul 21, 22:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE908 J/kg
MLCAPE783 J/kg
MUCAPE920 J/kg
SBCIN-23 J/kg
MLCIN0 J/kg
Lifted Index-4.4
Kinematics
0–6 km Shear48 kt
0–1 km Shear18 kt
Eff. Shear48 kt
0–1 km SRH36
0–3 km SRH92
Eff. SRH92
Storm Motion231° @ 40 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.3
STP (eff)0.8
Supercell2.1
K-Index37.3
Thermo & Levels
PWAT1.90 in
0–3 km LR5.3 °C/km
700–500 LR6.0 °C/km
Total Totals50.2
LCL960 hPa
LFC849 hPa
EL201 hPa
Freezing Lvl14,469 ft