Areal Flood Watch 11:00 PM

Blair County, Pennsylvania, United States

Last updated: 3:57 AM CDT  ·  Refresh
21°C
Feels like 23°
Mostly Cloudy
▲ 29°  /  ▼ 18°
Wind
3 mph SE
Humidity
95%
Dew Point
20°
Pressure
28.45 inHg
Visibility
4 mi
UV Index
0.0
Cloud Cover
64%
Sunrise
6:42 AM
Sunset
7:42 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Blair County is currently mostly cloudy at 20°C. Precipitation is likely — peak probability 80% around 6 PM. Atmospheric instability is elevated (CAPE up to 2993 J/kg) — isolated convective development possible. Sunrise: 6:42AM · Sunset: 7:42PM.

Alerts

Areal Flood Watch
Expires 11:00 PM
51 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
21°
52%
5 AM
18°
40%
6 AM
19°
42%
7 AM
19°
34%
8 AM
21°
41%
9 AM
21°
45%
10 AM
23°
35%
11 AM
24°
39%
12 PM
26°
30%
1 PM
29°
31%
2 PM
29°
49%
3 PM
29°
50%
4 PM
29°
66%
5 PM
29°
79%
6 PM
27°
79%
7 PM
25°
68%
8 PM
24°
68%
9 PM
22°
67%
10 PM
22°
55%
11 PM
21°
50%
12 AM
21°
47%
1 AM
21°
47%
2 AM
20°
47%
3 AM
20°
48%
7-Day Forecast
Today
29° 18°
Partly Cloudy with a 68% chance of rain.
Fri
28° 18°
Mostly Cloudy with a 59% chance of rain.
Sat
26° 14°
Partly Cloudy.
Sun
21° 11°
Clear.
Mon
23° 11°
Clear.
Tue
26° 12°
Drizzle, 38% chance.
Wed
26° 16°
Rain, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 21° Mostly Cloudy 52% 3 mph SE 95%
5 AM 18° Rain 40% 2 mph SSW 97%
6 AM 19° Haze 42% 3 mph S 97%
7 AM 19° Haze 34% 4 mph S 97%
8 AM 21° Rain 41% 4 mph SW 89%
9 AM 21° Thunderstorm 45% 6 mph W 81%
10 AM 23° Partly Cloudy 35% 7 mph W 75%
11 AM 24° Mostly Clear 39% 8 mph W 69%
12 PM 26° Partly Cloudy 30% 10 mph W 64%
1 PM 29° Mostly Clear 31% 11 mph W 60%
2 PM 29° Partly Cloudy 49% 10 mph W 60%
3 PM 29° Mostly Clear 50% 9 mph W 61%
4 PM 29° Partly Cloudy 66% 8 mph W 62%
5 PM 29° Mostly Cloudy 79% 7 mph NW 69%
6 PM 27° Rain 79% 6 mph WNW 77%
7 PM 25° Heavy Rain 68% 7 mph WNW 83%
8 PM 24° Rain 68% 6 mph W 86%
9 PM 22° Mostly Cloudy 67% 5 mph WSW 88%
10 PM 22° Mostly Cloudy 55% 6 mph WSW 90%
11 PM 21° Mostly Cloudy 50% 5 mph WSW 92%
12 AM 21° Partly Cloudy 47% 5 mph W 92%
1 AM 21° Partly Cloudy 47% 5 mph W 92%
2 AM 20° Partly Cloudy 47% 5 mph W 93%
3 AM 20° Partly Cloudy 48% 5 mph W 93%
15-Day Forecast
Today
9/3
Partly Cloudy
68%
18°
29°
Fri
9/4
Mostly Cloudy
59%
18°
28°
Sat
9/5
Partly Cloudy
18%
14°
26°
Sun
9/6
Clear
8%
11°
21°
Mon
9/7
Clear
3%
11°
23°
Tue
9/8
Drizzle
38%
12°
26°
Wed
9/9
Rain
63%
16°
26°
Thu
9/10
Drizzle
43%
14°
28°
Fri
9/11
Drizzle
44%
12°
24°
Sat
9/12
Drizzle
51%
11°
24°
Sun
9/13
Drizzle
60%
15°
26°
Mon
9/14
Drizzle
60%
13°
24°
Tue
9/15
Clear
60%
12°
23°
Wed
9/16
Drizzle
60%
12°
23°
Thu
9/17
Drizzle
60%
12°
23°
51
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
51 AQI 9.1 µg/m³
O3
Ground-level ozone
30 AQI 33 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 51 Moderate 30 51
Fri 53 Moderate 40 53
Sat 32 Good 31 32
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
SBCAPE272 J/kg
MLCAPE506 J/kg
MUCAPE597 J/kg
SBCIN-232 J/kg
MLCIN-115 J/kg
Lifted Index-2.6
Kinematics
0–6 km Shear34 kt
0–1 km Shear28 kt
Eff. Shear34 kt
0–1 km SRH137
0–3 km SRH125
Eff. SRH125
Storm Motion310° @ 28 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.2
STP (eff)0.1
Supercell1.3
K-Index37.9
Thermo & Levels
PWAT1.61 in
0–3 km LR4.5 °C/km
700–500 LR6.5 °C/km
Total Totals51.4
LCL952 hPa
LFC617 hPa
EL317 hPa
Freezing Lvl13,671 ft