Areal Flood Warning — Northumberland County, PA, Snyder County, PA, Union County, PA 5:00 AM Flood Warning — Snyder County, PA, Union County, PA 3:00 PM Areal Flood Watch 11:00 PM

Snyder County, Pennsylvania, United States

Last updated: 3:55 AM CDT  ·  Refresh
20°C
Feels like 22°
Rain
▲ 31°  /  ▼ 19°
Wind
5 mph E
Humidity
98%
Dew Point
19°
Pressure
29.09 inHg
Visibility
2 mi
UV Index
0.0
Cloud Cover
79%
Sunrise
6:37 AM
Sunset
7:37 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Snyder County is currently rain at 20°C. Precipitation is likely — peak probability 86% around 6 PM. Atmospheric instability is elevated (CAPE up to 2784 J/kg) — isolated convective development possible. Sunrise: 6:37AM · Sunset: 7:37PM.

47 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
20°
68%
5 AM
18°
55%
6 AM
18°
56%
7 AM
19°
23%
8 AM
21°
25%
9 AM
21°
35%
10 AM
23°
20%
11 AM
24°
24%
12 PM
26°
33%
1 PM
29°
36%
2 PM
29°
48%
3 PM
29°
45%
4 PM
28°
59%
5 PM
28°
69%
6 PM
27°
85%
7 PM
26°
73%
8 PM
24°
64%
9 PM
23°
67%
10 PM
22°
62%
11 PM
22°
41%
12 AM
22°
38%
1 AM
21°
38%
2 AM
21°
39%
3 AM
21°
39%
7-Day Forecast
Today
31° 19°
Partly Cloudy with a 73% chance of rain.
Fri
28° 18°
Partly Cloudy with a 49% chance of rain.
Sat
24° 14°
Partly Cloudy.
Sun
22° 12°
Partly Cloudy.
Mon
25° 11°
Clear.
Tue
27° 12°
Clear.
Wed
26° 16°
Rain, 41% chance.
TimeTempConditionsPrecipWindHumidity
Now 20° Rain 68% 5 mph E 98%
5 AM 18° Rain 55% 3 mph SW 97%
6 AM 18° Mostly Cloudy 56% 4 mph S 97%
7 AM 19° Partly Cloudy 23% 6 mph SSW 96%
8 AM 21° Mostly Clear 25% 6 mph SW 92%
9 AM 21° Rain 35% 7 mph WSW 87%
10 AM 23° Partly Cloudy 20% 7 mph WSW 81%
11 AM 24° Mostly Clear 24% 8 mph WSW 76%
12 PM 26° Mostly Clear 33% 8 mph WSW 71%
1 PM 29° Partly Cloudy 36% 8 mph WSW 66%
2 PM 29° Mostly Cloudy 48% 8 mph W 65%
3 PM 29° Mostly Cloudy 45% 7 mph W 65%
4 PM 28° Mostly Cloudy 59% 7 mph W 65%
5 PM 28° Overcast 69% 7 mph W 70%
6 PM 27° Mostly Cloudy 85% 8 mph WSW 76%
7 PM 26° Rain 73% 8 mph WSW 80%
8 PM 24° Rain 64% 8 mph WSW 84%
9 PM 23° Mostly Cloudy 67% 7 mph WSW 88%
10 PM 22° Mostly Cloudy 62% 6 mph WSW 93%
11 PM 22° Mostly Cloudy 41% 5 mph WSW 93%
12 AM 22° Partly Cloudy 38% 5 mph WSW 94%
1 AM 21° Partly Cloudy 38% 4 mph WSW 94%
2 AM 21° Partly Cloudy 39% 4 mph WSW 94%
3 AM 21° Mostly Clear 39% 4 mph WSW 94%
15-Day Forecast
Today
9/3
Partly Cloudy
73%
19°
31°
Fri
9/4
Partly Cloudy
49%
18°
28°
Sat
9/5
Partly Cloudy
7%
14°
24°
Sun
9/6
Partly Cloudy
8%
12°
22°
Mon
9/7
Clear
3%
11°
25°
Tue
9/8
Clear
17%
12°
27°
Wed
9/9
Rain
41%
16°
26°
Thu
9/10
Drizzle
43%
14°
32°
Fri
9/11
Clear
44%
11°
24°
Sat
9/12
Drizzle
51%
10°
24°
Sun
9/13
Drizzle
60%
16°
27°
Mon
9/14
Drizzle
60%
14°
27°
Tue
9/15
Clear
25%
12°
24°
Wed
9/16
Drizzle
60%
12°
24°
Thu
9/17
Drizzle
60%
13°
25°
47
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
47 AQI 8.4 µg/m³
O3
Ground-level ozone
40 AQI 44 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 47 Good 40 47
Fri 38 Good 33 38
Sat 35 Good 35 29
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 Sep 3, 07:00'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
SBCAPE49 J/kg
MLCAPE120 J/kg
MUCAPE809 J/kg
SBCIN-254 J/kg
MLCIN-170 J/kg
Lifted Index-1.1
Kinematics
0–6 km Shear43 kt
0–1 km Shear14 kt
Eff. Shear35 kt
0–1 km SRH75
0–3 km SRH121
Eff. SRH87
Storm Motion309° @ 26 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell1.3
K-Index40.9
Thermo & Levels
PWAT2.14 in
0–3 km LR4.0 °C/km
700–500 LR6.8 °C/km
Total Totals51.1
LCL978 hPa
LFC580 hPa
EL454 hPa
Freezing Lvl13,691 ft