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: 6:37 AM CDT  ·  Refresh
20°C
Feels like 22°
Mostly Cloudy
▲ 31°  /  ▼ 19°
Wind
6 mph S
Humidity
97%
Dew Point
19°
Pressure
29.20 inHg
Visibility
7 mi
UV Index
2.2
Cloud Cover
70%
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 mostly cloudy at 20°C. Precipitation is likely — peak probability 64% around 11 PM. Atmospheric instability is elevated (CAPE up to 2286 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
38 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
20°
27%
8 AM
20°
33%
9 AM
21°
53%
10 AM
22°
44%
11 AM
24°
43%
12 PM
26°
35%
1 PM
29°
29%
2 PM
29°
37%
3 PM
29°
41%
4 PM
29°
50%
5 PM
30°
50%
6 PM
29°
40%
7 PM
27°
51%
8 PM
26°
49%
9 PM
24°
59%
10 PM
23°
59%
11 PM
23°
63%
12 AM
23°
56%
1 AM
22°
53%
2 AM
22°
53%
3 AM
21°
53%
4 AM
21°
48%
5 AM
19°
35%
6 AM
20°
35%
7-Day Forecast
Today
31° 19°
Partly Cloudy with a 59% chance of rain.
Fri
29° 19°
Partly Cloudy with a 53% chance of rain.
Sat
25° 15°
Overcast with a 28% chance of rain.
Sun
23° 12°
Partly Cloudy.
Mon
25° 12°
Clear.
Tue
27° 12°
Drizzle, 37% chance.
Wed
26° 15°
Rain, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 20° Mostly Cloudy 27% 6 mph S 97%
8 AM 20° Partly Cloudy 33% 5 mph SSW 93%
9 AM 21° Mostly Cloudy 53% 4 mph WSW 88%
10 AM 22° Heavy Rain 44% 6 mph WSW 82%
11 AM 24° Rain 43% 7 mph WSW 77%
12 PM 26° Partly Cloudy 35% 7 mph WSW 70%
1 PM 29° Mostly Clear 29% 8 mph W 64%
2 PM 29° Mostly Clear 37% 8 mph W 61%
3 PM 29° Partly Cloudy 41% 8 mph WNW 62%
4 PM 29° Partly Cloudy 50% 7 mph WNW 64%
5 PM 30° Partly Cloudy 50% 6 mph WNW 67%
6 PM 29° Partly Cloudy 40% 5 mph WNW 72%
7 PM 27° Partly Cloudy 51% 4 mph W 77%
8 PM 26° Mostly Cloudy 49% 4 mph W 80%
9 PM 24° Mostly Cloudy 59% 6 mph WNW 83%
10 PM 23° Overcast 59% 6 mph WNW 84%
11 PM 23° Rain 63% 6 mph WNW 86%
12 AM 23° Drizzle 56% 6 mph WNW 87%
1 AM 22° Drizzle 53% 6 mph WNW 88%
2 AM 22° Partly Cloudy 53% 6 mph WNW 90%
3 AM 21° Partly Cloudy 53% 5 mph WNW 92%
4 AM 21° Partly Cloudy 48% 5 mph WNW 94%
5 AM 19° Partly Cloudy 35% 5 mph WNW 95%
6 AM 20° Partly Cloudy 35% 6 mph WNW 94%
15-Day Forecast
Today
9/3
Partly Cloudy
59%
19°
31°
Fri
9/4
Partly Cloudy
53%
19°
29°
Sat
9/5
Overcast
28%
15°
25°
Sun
9/6
Partly Cloudy
14%
12°
23°
Mon
9/7
Clear
8%
12°
25°
Tue
9/8
Drizzle
37%
12°
27°
Wed
9/9
Rain
63%
15°
26°
Thu
9/10
Rain
69%
16°
28°
Fri
9/11
Clear
44%
13°
24°
Sat
9/12
Drizzle
51%
10°
23°
Sun
9/13
Drizzle
60%
9°
27°
Mon
9/14
Drizzle
60%
14°
27°
Tue
9/15
Clear
60%
13°
25°
Wed
9/16
Clear
60%
13°
24°
Thu
9/17
Drizzle
60%
13°
25°
38
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
26 AQI 4.8 µg/m³
O3
Ground-level ozone
Dominant
38 AQI 42 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Fri 38 Good 38 26
Sat 31 Good 31 17
Sun 29 Good 29 14
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, 10:00'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
SBCAPE0 J/kg
MLCAPE39 J/kg
MUCAPE799 J/kg
SBCIN0 J/kg
MLCIN-219 J/kg
Lifted Index0.0
Kinematics
0–6 km Shear48 kt
0–1 km Shear9 kt
Eff. Shear42 kt
0–1 km SRH13
0–3 km SRH37
Eff. SRH45
Storm Motion315° @ 29 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.8
K-Index39.3
Thermo & Levels
PWAT1.91 in
0–3 km LR4.0 °C/km
700–500 LR6.3 °C/km
Total Totals50.0
LCL977 hPa
LFC989 hPa
EL989 hPa
Freezing Lvl13,960 ft