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

Lake County, Indiana, United States

Last updated: 9:36 PM CDT  ·  Refresh
23°C
Feels like 24°
Partly Cloudy
▲ 28°  /  ▼ 21°
Wind
12 mph SSW
Humidity
91%
Dew Point
22°
Pressure
28.92 inHg
Visibility
9 mi
UV Index
0.0
Cloud Cover
35%
Sunrise
5:39 AM
Sunset
8:11 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Lake County is currently partly cloudy at 23°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1507 J/kg) — isolated convective development possible. Sunrise: 5:39AM · Sunset: 8:11PM.

Alerts

Flood Warning
Cook County, IL, Lake County, IN
Expires 10:00 AM
Beach Hazards Statement
Lake, IL, Northern Cook, IL, Central Cook, IL, Lake, IN, Porter, IN
Expires 10:00 AM
43 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
13%
10 PM
24°
32%
11 PM
24°
47%
12 AM
24°
45%
1 AM
24°
3%
2 AM
23°
5%
3 AM
22°
6%
4 AM
22°
6%
5 AM
21°
15%
6 AM
21°
15%
7 AM
21°
15%
8 AM
21°
6%
9 AM
22°
15%
10 AM
22°
3%
11 AM
23°
3%
12 PM
23°
3%
1 PM
22°
3%
2 PM
22°
3%
3 PM
22°
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°
Partly Cloudy.
Tue
24° 19°
Mostly Cloudy with a 45% chance of rain.
Wed
27° 17°
Clear.
Thu
28° 18°
Partly Cloudy.
Fri
22° 17°
Rain, 72% chance.
Sat
26° 17°
Rain, 64% chance.
Sun
27° 18°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 23° Partly Cloudy 13% 12 mph SSW 91%
10 PM 24° Mostly Clear 32% 13 mph SW 90%
11 PM 24° Mostly Clear 47% 11 mph WSW 91%
12 AM 24° Mostly Clear 45% 11 mph WSW 92%
1 AM 24° Mostly Clear 3% 10 mph W 92%
2 AM 23° Partly Cloudy 5% 9 mph NW 93%
3 AM 22° Mostly Cloudy 6% 12 mph NNW 93%
4 AM 22° Overcast 6% 14 mph N 93%
5 AM 21° Overcast 15% 14 mph N 93%
6 AM 21° Overcast 15% 14 mph N 93%
7 AM 21° Overcast 15% 14 mph N 92%
8 AM 21° Overcast 6% 14 mph N 90%
9 AM 22° Overcast 15% 14 mph N 88%
10 AM 22° Mostly Cloudy 3% 15 mph N 85%
11 AM 23° Mostly Cloudy 3% 15 mph N 82%
12 PM 23° Partly Cloudy 3% 15 mph N 79%
1 PM 22° Partly Cloudy 3% 15 mph N 76%
2 PM 22° Partly Cloudy 3% 15 mph N 72%
3 PM 22° Mostly Clear 3% 16 mph N 69%
4 PM 22° Mostly Clear 3% 15 mph N 68%
5 PM 22° Mostly Clear 3% 15 mph N 69%
6 PM 21° Mostly Clear 3% 15 mph N 69%
7 PM 21° Partly Cloudy 3% 14 mph N 69%
8 PM 21° Partly Cloudy 3% 14 mph N 68%
15-Day Forecast
Today
7/27
Partly Cloudy
13%
21°
28°
Tue
7/28
Mostly Cloudy
45%
19°
24°
Wed
7/29
Clear
3%
17°
27°
Thu
7/30
Partly Cloudy
14%
18°
28°
Fri
7/31
Rain
72%
17°
22°
Sat
8/1
Rain
64%
17°
26°
Sun
8/2
Clear
17%
18°
27°
Mon
8/3
Clear
8%
17°
27°
Tue
8/4
Drizzle
44%
18°
29°
Wed
8/5
Drizzle
44%
20°
29°
Thu
8/6
Drizzle
60%
19°
31°
Fri
8/7
Drizzle
60%
19°
31°
Sat
8/8
Drizzle
60%
19°
26°
Sun
8/9
Drizzle
60%
19°
25°
Mon
8/10
Clear
60%
19°
26°
43
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
43 AQI 7.7 µg/m³
O3
Ground-level ozone
38 AQI 41 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 43 Good 38 43
Wed 33 Good 33 21
Thu 34 Good 34 18
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
SBCAPE398 J/kg
MLCAPE1594 J/kg
MUCAPE3582 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-2.1
Kinematics
0–6 km Shear55 kt
0–1 km Shear29 kt
Eff. Shear58 kt
0–1 km SRH267
0–3 km SRH198
Eff. SRH198
Storm Motion279° @ 36 kt
0–1 km EHI0.7
Composite Parameters
Sig. Tornado1.2
STP (eff)0.9
Supercell21.1
K-Index-1.7
Thermo & Levels
PWAT1.46 in
0–3 km LR3.5 °C/km
700–500 LR6.9 °C/km
Total Totals51.1
LCL958 hPa
LFC979 hPa
EL278 hPa
Freezing Lvl15,922 ft