Areal Flood Warning — Centre County, PA, Clearfield County, PA, Huntingdon County, PA, Juniata County, PA, Mifflin County, PA, Perry County, PA 7:00 AM Heat Advisory — Huntingdon, PA, Mifflin, PA, Juniata, PA, Fulton, PA, Franklin, PA, Perry, PA, Dauphin, PA, Lebanon, PA, Cumberland, PA, Adams, PA, York, PA, Lancaster, PA 7:00 PM Areal Flood Watch 11:00 PM

Perry County, Pennsylvania, United States

Last updated: 5:34 AM CDT  ·  Refresh
20°C
Feels like 23°
Rain
▲ 30°  /  ▼ 20°
Wind
2 mph SSE
Humidity
98%
Dew Point
19°
Pressure
29.19 inHg
Visibility
8 mi
UV Index
0.0
Cloud Cover
79%
Sunrise
6:38 AM
Sunset
7:37 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Perry County is currently rain at 20°C. Precipitation is likely — peak probability 65% around 10 PM. Atmospheric instability is elevated (CAPE up to 2279 J/kg) — isolated convective development possible. Sunrise: 6:38AM · Sunset: 7:37PM.

Alerts

Areal Flood Warning
Centre County, PA, Clearfield County, PA, Huntingdon County, PA, Juniata County, PA, Mifflin County, PA, Perry County, PA
Expires 7:00 AM
Heat Advisory
Huntingdon, PA, Mifflin, PA, Juniata, PA, Fulton, PA, Franklin, PA, Perry, PA, Dauphin, PA, Lebanon, PA, Cumberland, PA, Adams, PA, York, PA, Lancaster, PA
Expires 7:00 PM
Areal Flood Watch
Expires 11:00 PM
44 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
20°
59%
7 AM
19°
59%
8 AM
20°
27%
9 AM
21°
29%
10 AM
22°
28%
11 AM
24°
26%
12 PM
26°
35%
1 PM
29°
29%
2 PM
30°
29%
3 PM
29°
29%
4 PM
29°
39%
5 PM
30°
48%
6 PM
29°
49%
7 PM
27°
50%
8 PM
27°
57%
9 PM
24°
58%
10 PM
24°
65%
11 PM
23°
64%
12 AM
23°
56%
1 AM
22°
53%
2 AM
22°
53%
3 AM
22°
53%
4 AM
21°
47%
5 AM
20°
44%
7-Day Forecast
Today
30° 20°
Partly Cloudy with a 59% chance of rain.
Fri
29° 20°
Partly Cloudy with a 56% chance of rain.
Sat
25° 15°
Overcast with a 28% chance of rain.
Sun
23° 12°
Partly Cloudy.
Mon
24° 12°
Clear.
Tue
27° 12°
Clear with a 37% chance of rain.
Wed
26° 16°
Rain, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 20° Rain 59% 2 mph SSE 98%
7 AM 19° Partly Cloudy 59% 3 mph S 97%
8 AM 20° Partly Cloudy 27% 4 mph SSW 94%
9 AM 21° Mostly Cloudy 29% 4 mph SW 88%
10 AM 22° Mostly Cloudy 28% 5 mph WSW 83%
11 AM 24° Partly Cloudy 26% 6 mph WSW 77%
12 PM 26° Mostly Clear 35% 7 mph W 70%
1 PM 29° Mostly Clear 29% 8 mph W 63%
2 PM 30° Mostly Clear 29% 8 mph W 60%
3 PM 29° Mostly Clear 29% 8 mph WNW 61%
4 PM 29° Partly Cloudy 39% 8 mph WNW 62%
5 PM 30° Mostly Cloudy 48% 6 mph WNW 66%
6 PM 29° Partly Cloudy 49% 5 mph W 71%
7 PM 27° Partly Cloudy 50% 3 mph W 76%
8 PM 27° Partly Cloudy 57% 4 mph WSW 79%
9 PM 24° Mostly Cloudy 58% 4 mph WSW 82%
10 PM 24° Mostly Cloudy 65% 5 mph WSW 83%
11 PM 23° Rain 64% 5 mph WSW 85%
12 AM 23° Drizzle 56% 5 mph WSW 88%
1 AM 22° Drizzle 53% 5 mph WSW 90%
2 AM 22° Partly Cloudy 53% 5 mph WSW 91%
3 AM 22° Partly Cloudy 53% 5 mph WSW 93%
4 AM 21° Partly Cloudy 47% 4 mph WSW 95%
5 AM 20° Partly Cloudy 44% 4 mph WSW 95%
15-Day Forecast
Today
9/3
Partly Cloudy
59%
20°
30°
Fri
9/4
Partly Cloudy
56%
20°
29°
Sat
9/5
Overcast
28%
15°
25°
Sun
9/6
Partly Cloudy
7%
12°
23°
Mon
9/7
Clear
8%
12°
24°
Tue
9/8
Clear
37%
12°
27°
Wed
9/9
Rain
63%
16°
26°
Thu
9/10
Drizzle
43%
16°
31°
Fri
9/11
Drizzle
44%
12°
24°
Sat
9/12
Drizzle
51%
12°
23°
Sun
9/13
Drizzle
60%
16°
27°
Mon
9/14
Drizzle
60%
14°
27°
Tue
9/15
Clear
60%
13°
25°
Wed
9/16
Drizzle
60%
13°
24°
Thu
9/17
Drizzle
60%
13°
25°
44
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
44 AQI 8.0 µg/m³
O3
Ground-level ozone
36 AQI 39 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 44 Good 36 44
Fri 40 Good 38 40
Sat 36 Good 36 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, 09:00'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
SBCAPE23 J/kg
MLCAPE65 J/kg
MUCAPE782 J/kg
SBCIN-306 J/kg
MLCIN-234 J/kg
Lifted Index0.1
Kinematics
0–6 km Shear47 kt
0–1 km Shear11 kt
Eff. Shear39 kt
0–1 km SRH2
0–3 km SRH39
Eff. SRH38
Storm Motion311° @ 31 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.6
K-Index39.5
Thermo & Levels
PWAT2.10 in
0–3 km LR3.8 °C/km
700–500 LR6.4 °C/km
Total Totals48.9
LCL980 hPa
LFC606 hPa
EL506 hPa
Freezing Lvl13,583 ft