Flash Flood Warning — Centre County, PA, Clearfield County, PA, Huntingdon County, PA, Juniata County, PA, Mifflin County, PA, Perry County, PA 5:00 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: 4:47 AM CDT  ·  Refresh
20°C
Feels like 22°
Rain
▲ 30°  /  ▼ 19°
Wind
2 mph W
Humidity
97%
Dew Point
19°
Pressure
29.20 inHg
Visibility
9 mi
UV Index
0.0
Cloud Cover
74%
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 62% around 6 AM. Atmospheric instability is elevated (CAPE up to 2354 J/kg) — isolated convective development possible. Sunrise: 6:38AM · Sunset: 7:37PM.

Alerts

Flash Flood Warning
Centre County, PA, Clearfield County, PA, Huntingdon County, PA, Juniata County, PA, Mifflin County, PA, Perry County, PA
Expires 5:00 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%
6 AM
18°
62%
7 AM
19°
41%
8 AM
21°
29%
9 AM
21°
31%
10 AM
22°
45%
11 AM
24°
29%
12 PM
26°
35%
1 PM
29°
29%
2 PM
29°
29%
3 PM
29°
30%
4 PM
29°
44%
5 PM
30°
49%
6 PM
28°
50%
7 PM
27°
50%
8 PM
26°
46%
9 PM
25°
47%
10 PM
24°
54%
11 PM
24°
54%
12 AM
23°
46%
1 AM
23°
43%
2 AM
23°
43%
3 AM
22°
43%
4 AM
21°
38%
7-Day Forecast
Today
30° 19°
Partly Cloudy with a 59% chance of rain.
Fri
29° 19°
Partly Cloudy with a 38% chance of rain.
Sat
25° 15°
Overcast.
Sun
23° 12°
Mostly Clear.
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 W 97%
6 AM 18° Mostly Cloudy 62% 2 mph WSW 98%
7 AM 19° Partly Cloudy 41% 4 mph SSW 97%
8 AM 21° Partly Cloudy 29% 4 mph SW 93%
9 AM 21° Mostly Cloudy 31% 4 mph WSW 87%
10 AM 22° Mostly Cloudy 45% 6 mph SW 82%
11 AM 24° Partly Cloudy 29% 6 mph WSW 76%
12 PM 26° Mostly Clear 35% 7 mph W 68%
1 PM 29° Mostly Clear 29% 8 mph W 62%
2 PM 29° Mostly Clear 29% 8 mph W 60%
3 PM 29° Mostly Clear 30% 8 mph WNW 61%
4 PM 29° Mostly Clear 44% 8 mph WNW 62%
5 PM 30° Partly Cloudy 49% 6 mph WNW 67%
6 PM 28° Partly Cloudy 50% 4 mph W 72%
7 PM 27° Partly Cloudy 50% 4 mph WSW 77%
8 PM 26° Partly Cloudy 46% 4 mph SW 80%
9 PM 25° Mostly Cloudy 47% 4 mph SW 82%
10 PM 24° Rain 54% 4 mph SW 84%
11 PM 24° Rain 54% 4 mph WSW 86%
12 AM 23° Drizzle 46% 4 mph WSW 88%
1 AM 23° Drizzle 43% 4 mph WSW 90%
2 AM 23° Partly Cloudy 43% 4 mph WSW 92%
3 AM 22° Partly Cloudy 43% 3 mph WSW 93%
4 AM 21° Partly Cloudy 38% 3 mph WSW 95%
15-Day Forecast
Today
9/3
Partly Cloudy
59%
19°
30°
Fri
9/4
Partly Cloudy
38%
19°
29°
Sat
9/5
Overcast
17%
15°
25°
Sun
9/6
Mostly Clear
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%
11°
24°
Sun
9/13
Drizzle
60%
16°
28°
Mon
9/14
Drizzle
60%
14°
27°
Tue
9/15
Clear
25%
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, 08:00'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
SBCAPE5 J/kg
MLCAPE25 J/kg
MUCAPE452 J/kg
SBCIN-247 J/kg
MLCIN0 J/kg
Lifted Index0.2
Kinematics
0–6 km Shear36 kt
0–1 km Shear12 kt
Eff. Shear25 kt
0–1 km SRH30
0–3 km SRH56
Eff. SRH50
Storm Motion315° @ 29 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.3
K-Index37.1
Thermo & Levels
PWAT1.95 in
0–3 km LR4.0 °C/km
700–500 LR6.3 °C/km
Total Totals47.8
LCL980 hPa
LFC576 hPa
EL512 hPa
Freezing Lvl13,648 ft