Beach Hazards Statement — Lake, IL, Northern Cook, IL, Central Cook, IL, Lake, IN, Porter, IN 10:00 AM

Porter County, Indiana, United States

Last updated: 9:33 PM CDT  ·  Refresh
23°C
Feels like 24°
Mostly Clear
▲ 28°  /  ▼ 21°
Wind
11 mph SSW
Humidity
90%
Dew Point
21°
Pressure
28.91 inHg
Visibility
9 mi
UV Index
0.0
Cloud Cover
16%
Sunrise
5:38 AM
Sunset
8:10 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Porter County is currently mostly clear at 23°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1497 J/kg) — isolated convective development possible. Sunrise: 5:38AM · Sunset: 8:10PM.

Alerts

Beach Hazards Statement
Lake, IL, Northern Cook, IL, Central Cook, IL, Lake, IN, Porter, IN
Expires 10:00 AM
46 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
8%
10 PM
24°
27%
11 PM
24°
31%
12 AM
24°
25%
1 AM
23°
18%
2 AM
22°
5%
3 AM
22°
15%
4 AM
22°
15%
5 AM
21°
15%
6 AM
21°
15%
7 AM
21°
15%
8 AM
21°
15%
9 AM
22°
3%
10 AM
22°
3%
11 AM
23°
3%
12 PM
23°
3%
1 PM
22°
3%
2 PM
22°
3%
3 PM
21°
3%
4 PM
22°
3%
5 PM
22°
3%
6 PM
21°
3%
7 PM
21°
3%
8 PM
21°
3%
7-Day Forecast
Tonight
28° 21°
Mostly Clear.
Tue
24° 18°
Mostly Cloudy with a 25% chance of rain.
Wed
26° 16°
Clear.
Thu
28° 18°
Mostly Clear.
Fri
22° 18°
Drizzle, 57% chance.
Sat
26° 18°
Rain, 71% chance.
Sun
26° 17°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 23° Mostly Clear 8% 11 mph SSW 90%
10 PM 24° Clear 27% 12 mph SW 90%
11 PM 24° Mostly Clear 31% 11 mph SW 92%
12 AM 24° Mostly Clear 25% 10 mph WSW 93%
1 AM 23° Mostly Clear 18% 9 mph W 94%
2 AM 22° Partly Cloudy 5% 9 mph NW 94%
3 AM 22° Mostly Cloudy 15% 12 mph NNW 94%
4 AM 22° Overcast 15% 13 mph NNW 94%
5 AM 21° Overcast 15% 14 mph NNW 94%
6 AM 21° Overcast 15% 14 mph NNW 94%
7 AM 21° Overcast 15% 14 mph N 94%
8 AM 21° Overcast 15% 14 mph N 92%
9 AM 22° Mostly Cloudy 3% 14 mph N 90%
10 AM 22° Mostly Cloudy 3% 15 mph N 87%
11 AM 23° Partly Cloudy 3% 16 mph N 84%
12 PM 23° Partly Cloudy 3% 16 mph NNW 81%
1 PM 22° Partly Cloudy 3% 16 mph NNW 79%
2 PM 22° Mostly Clear 3% 16 mph NNW 77%
3 PM 21° Mostly Clear 3% 16 mph NNW 75%
4 PM 22° Mostly Clear 3% 16 mph NNW 74%
5 PM 22° Mostly Clear 3% 16 mph NNW 74%
6 PM 21° Mostly Clear 3% 16 mph NNW 74%
7 PM 21° Mostly Clear 3% 15 mph NNW 73%
8 PM 21° Mostly Clear 3% 15 mph N 71%
15-Day Forecast
Today
7/27
Mostly Clear
8%
21°
28°
Tue
7/28
Mostly Cloudy
25%
18°
24°
Wed
7/29
Clear
3%
16°
26°
Thu
7/30
Mostly Clear
14%
18°
28°
Fri
7/31
Drizzle
57%
18°
22°
Sat
8/1
Rain
71%
18°
26°
Sun
8/2
Clear
17%
17°
26°
Mon
8/3
Clear
17%
17°
26°
Tue
8/4
Drizzle
44%
18°
28°
Wed
8/5
Drizzle
44%
19°
29°
Thu
8/6
Drizzle
60%
18°
30°
Fri
8/7
Drizzle
60%
18°
30°
Sat
8/8
Drizzle
60%
18°
24°
Sun
8/9
Drizzle
60%
19°
24°
Mon
8/10
Drizzle
60%
18°
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 8.2 µg/m³
O3
Ground-level ozone
41 AQI 45 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 46 Good 41 46
Wed 34 Good 34 19
Thu 34 Good 34 13
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 Tue Jul 28, 01:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 90 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE259 J/kg
MLCAPE1274 J/kg
MUCAPE3353 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-1.3
Kinematics
0–6 km Shear57 kt
0–1 km Shear30 kt
Eff. Shear57 kt
0–1 km SRH307
0–3 km SRH249
Eff. SRH249
Storm Motion278° @ 37 kt
0–1 km EHI0.5
Composite Parameters
Sig. Tornado0.9
STP (eff)0.8
Supercell24.5
K-Index8.1
Thermo & Levels
PWAT1.47 in
0–3 km LR3.5 °C/km
700–500 LR6.8 °C/km
Total Totals50.9
LCL957 hPa
LFC979 hPa
EL288 hPa
Freezing Lvl15,896 ft