Excessive Heat Watch 10:00 PM Heat Advisory — Lake, IN, Porter, IN, Newton, IN, Jasper, IN, Benton, IN, Northern Cook, IL, Central Cook, IL, Southern Cook, IL 10:00 PM Excessive Heat Warning — Northern Cook, IL, Central Cook, IL, Southern Cook, IL, Lake, IN, Porter, IN, Newton, IN, Jasper, IN, Benton, IN 12:00 AM

Porter County, Indiana, United States

Last updated: 4:42 PM CDT  ·  Refresh
32°C
Feels like 41°
Mostly Clear
▲ 33°  /  ▼ 23°
Wind
14 mph SSW
Humidity
68%
Dew Point
25°
Pressure
29.17 inHg
Visibility
10 mi
UV Index
7.1
Cloud Cover
21%
Sunrise
5:17 AM
Sunset
8:25 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Porter County is currently mostly clear at 32°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3983 J/kg) — isolated convective development possible. Sunrise: 5:17AM · Sunset: 8:25PM.

Alerts

Excessive Heat Watch
Expires 10:00 PM
Heat Advisory
Lake, IN, Porter, IN, Newton, IN, Jasper, IN, Benton, IN, Northern Cook, IL, Central Cook, IL, Southern Cook, IL
Expires 10:00 PM
Excessive Heat Warning
Northern Cook, IL, Central Cook, IL, Southern Cook, IL, Lake, IN, Porter, IN, Newton, IN, Jasper, IN, Benton, IN
Expires 12:00 AM
70 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
32°
3%
5 PM
33°
23%
6 PM
32°
23%
7 PM
31°
23%
8 PM
29°
23%
9 PM
28°
23%
10 PM
27°
23%
11 PM
27°
16%
12 AM
26°
16%
1 AM
25°
3%
2 AM
25°
3%
3 AM
24°
3%
4 AM
24°
3%
5 AM
23°
3%
6 AM
24°
3%
7 AM
26°
3%
8 AM
27°
3%
9 AM
28°
3%
10 AM
29°
3%
11 AM
31°
3%
12 PM
32°
3%
1 PM
33°
3%
2 PM
33°
3%
3 PM
33°
3%
7-Day Forecast
Today
33° 23°
Mostly Clear with a 23% chance of rain.
Wed
35° 23°
Clear.
Thu
35° 24°
Mostly Clear.
Fri
33° 23°
Partly Cloudy with a 71% chance of rain.
Sat
31° 22°
Drizzle, 60% chance.
Sun
29° 21°
Drizzle, 60% chance.
Mon
28° 20°
Mostly Cloudy.
TimeTempConditionsPrecipWindHumidity
Now 32° Mostly Clear 3% 14 mph SSW 68%
5 PM 33° Mostly Clear 23% 15 mph SW 68%
6 PM 32° Clear 23% 14 mph SSW 71%
7 PM 31° Clear 23% 13 mph SSW 75%
8 PM 29° Clear 23% 11 mph SW 79%
9 PM 28° Clear 23% 9 mph SW 83%
10 PM 27° Clear 23% 8 mph SW 86%
11 PM 27° Clear 16% 7 mph SSW 89%
12 AM 26° Clear 16% 7 mph SSW 92%
1 AM 25° Clear 3% 7 mph SSW 93%
2 AM 25° Clear 3% 7 mph SSW 94%
3 AM 24° Clear 3% 7 mph SSW 94%
4 AM 24° Clear 3% 7 mph SSW 94%
5 AM 23° Mostly Clear 3% 7 mph SSW 92%
6 AM 24° Mostly Clear 3% 8 mph SW 89%
7 AM 26° Mostly Clear 3% 9 mph SW 84%
8 AM 27° Clear 3% 9 mph SW 78%
9 AM 28° Clear 3% 10 mph SW 72%
10 AM 29° Clear 3% 10 mph SW 69%
11 AM 31° Clear 3% 10 mph SW 66%
12 PM 32° Clear 3% 10 mph SW 64%
1 PM 33° Clear 3% 10 mph SW 64%
2 PM 33° Clear 3% 11 mph SW 63%
3 PM 33° Mostly Clear 3% 12 mph SW 63%
15-Day Forecast
Today
6/30
Mostly Clear
23%
23°
33°
Wed
7/1
Clear
7%
23°
35°
Thu
7/2
Mostly Clear
16%
24°
35°
Fri
7/3
Partly Cloudy
71%
23°
33°
Sat
7/4
Drizzle
60%
22°
31°
Sun
7/5
Drizzle
60%
21°
29°
Mon
7/6
Mostly Cloudy
19%
20°
28°
Tue
7/7
Mostly Cloudy
60%
19°
28°
Wed
7/8
Drizzle
60%
19°
28°
Thu
7/9
Drizzle
60%
20°
28°
Fri
7/10
Drizzle
60%
19°
26°
Sat
7/11
Drizzle
60%
19°
26°
Sun
7/12
Drizzle
60%
18°
27°
Mon
7/13
Drizzle
60%
18°
25°
Tue
7/14
Drizzle
60%
17°
24°
70
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
70 AQI 19.2 µg/m³
O3
Ground-level ozone
32 AQI 35 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 70 Moderate 32 70
Thu 63 Moderate 32 63
Fri 43 Good 33 43
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 Jun 30, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE4676 J/kg
MLCAPE3459 J/kg
MUCAPE4676 J/kg
SBCIN-51 J/kg
MLCIN0 J/kg
Lifted Index-8.3
Kinematics
0–6 km Shear20 kt
0–1 km Shear10 kt
Eff. Shear19 kt
0–1 km SRH21
0–3 km SRH-12
Eff. SRH-12
Storm Motion229° @ 36 kt
0–1 km EHI0.6
Composite Parameters
Sig. Tornado0.2
STP (eff)0.0
Supercell0.0
K-Index15.4
Thermo & Levels
PWAT1.36 in
0–3 km LR6.4 °C/km
700–500 LR6.8 °C/km
Total Totals45.0
LCL887 hPa
LFC758 hPa
EL128 hPa
Freezing Lvl15,925 ft