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

Franklin County, Pennsylvania, United States

Last updated: 3:56 AM CDT  ·  Refresh
21°C
Feels like 23°
Mostly Cloudy
▲ 32°  /  ▼ 21°
Wind
4 mph SE
Humidity
96%
Dew Point
20°
Pressure
29.27 inHg
Visibility
8 mi
UV Index
0.0
Cloud Cover
76%
Sunrise
6:40 AM
Sunset
7:39 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Franklin County is currently mostly cloudy at 21°C. Precipitation is likely — peak probability 55% around 7 PM. Atmospheric instability is elevated (CAPE up to 2439 J/kg) — isolated convective development possible. Sunrise: 6:40AM · Sunset: 7:39PM.

Alerts

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
46 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
21°
32%
5 AM
19°
21%
6 AM
19°
22%
7 AM
19°
36%
8 AM
21°
20%
9 AM
22°
21%
10 AM
24°
18%
11 AM
26°
19%
12 PM
28°
19%
1 PM
32°
19%
2 PM
32°
33%
3 PM
32°
38%
4 PM
32°
38%
5 PM
32°
50%
6 PM
29°
51%
7 PM
27°
54%
8 PM
26°
51%
9 PM
24°
48%
10 PM
24°
42%
11 PM
23°
39%
12 AM
23°
31%
1 AM
23°
32%
2 AM
23°
32%
3 AM
23°
32%
7-Day Forecast
Today
32° 21°
Mostly Clear with a 54% chance of rain.
Fri
30° 20°
Partly Cloudy with a 41% chance of rain.
Sat
27° 15°
Mostly Cloudy.
Sun
21° 13°
Clear.
Mon
24° 12°
Clear.
Tue
26° 13°
Clear.
Wed
28° 17°
Rain, 28% chance.
TimeTempConditionsPrecipWindHumidity
Now 21° Mostly Cloudy 32% 4 mph SE 96%
5 AM 19° Partly Cloudy 21% 5 mph NNE 95%
6 AM 19° Mostly Cloudy 22% 5 mph E 95%
7 AM 19° Partly Cloudy 36% 5 mph SE 95%
8 AM 21° Mostly Cloudy 20% 3 mph SSW 90%
9 AM 22° Partly Cloudy 21% 5 mph SSW 84%
10 AM 24° Partly Cloudy 18% 6 mph SW 79%
11 AM 26° Mostly Clear 19% 6 mph WSW 71%
12 PM 28° Mostly Clear 19% 8 mph WSW 63%
1 PM 32° Mostly Clear 19% 9 mph W 55%
2 PM 32° Clear 33% 10 mph W 54%
3 PM 32° Clear 38% 9 mph W 54%
4 PM 32° Clear 38% 8 mph W 54%
5 PM 32° Partly Cloudy 50% 7 mph WNW 62%
6 PM 29° Mostly Cloudy 51% 6 mph WNW 71%
7 PM 27° Overcast 54% 8 mph NNW 78%
8 PM 26° Overcast 51% 6 mph NNW 81%
9 PM 24° Rain 48% 5 mph WNW 84%
10 PM 24° Rain 42% 6 mph W 86%
11 PM 23° Rain 39% 6 mph W 88%
12 AM 23° Mostly Cloudy 31% 6 mph WSW 90%
1 AM 23° Mostly Cloudy 32% 6 mph WSW 92%
2 AM 23° Mostly Cloudy 32% 5 mph W 92%
3 AM 23° Mostly Cloudy 32% 5 mph WNW 92%
15-Day Forecast
Today
9/3
Mostly Clear
54%
21°
32°
Fri
9/4
Partly Cloudy
41%
20°
30°
Sat
9/5
Mostly Cloudy
14%
15°
27°
Sun
9/6
Clear
8%
13°
21°
Mon
9/7
Clear
8%
12°
24°
Tue
9/8
Clear
8%
13°
26°
Wed
9/9
Rain
28%
17°
28°
Thu
9/10
Drizzle
43%
16°
31°
Fri
9/11
Drizzle
44%
13°
25°
Sat
9/12
Drizzle
51%
13°
24°
Sun
9/13
Drizzle
60%
17°
28°
Mon
9/14
Drizzle
60%
15°
27°
Tue
9/15
Clear
25%
13°
25°
Wed
9/16
Clear
25%
13°
24°
Thu
9/17
Drizzle
60%
14°
25°
46
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
46 AQI 8.3 µg/m³
O3
Ground-level ozone
37 AQI 41 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 46 Good 37 46
Fri 52 Moderate 41 52
Sat 38 Good 38 31
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
SBCAPE91 J/kg
MLCAPE292 J/kg
MUCAPE583 J/kg
SBCIN-489 J/kg
MLCIN-285 J/kg
Lifted Index-1.4
Kinematics
0–6 km Shear35 kt
0–1 km Shear23 kt
Eff. Shear22 kt
0–1 km SRH157
0–3 km SRH157
Eff. SRH48
Storm Motion309° @ 26 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.1
STP (eff)0.0
Supercell0.3
K-Index31.0
Thermo & Levels
PWAT1.57 in
0–3 km LR3.6 °C/km
700–500 LR7.0 °C/km
Total Totals51.1
LCL980 hPa
LFC575 hPa
EL406 hPa
Freezing Lvl14,564 ft