Hourly Weather | Today Monday, April 27, 2026
Active Weather Warnings
Hammond, Indiana
4 PM
Stormy Weather
68°
Feels Like 61°
74
Humidity: 75%
UV Index: 1
Wind: 20 mph
5 PM
Cloudy Weather
68°
Feels Like 64°
40
Humidity: 79%
UV Index: 1
Wind: 21 mph
6 PM
Cloudy Weather
66°
Feels Like 63°
34
Humidity: 82%
UV Index: 0
Wind: 20 mph
7 PM
Cloudy Weather
66°
Feels Like 63°
37
Humidity: 85%
UV Index: 0
Wind: 18 mph
8 PM
Cloudy Weather
66°
Feels Like 63°
47
Humidity: 86%
UV Index: 0
Wind: 17 mph
9 PM
Stormy Weather
64°
Feels Like 54°
51
Humidity: 91%
UV Index: 0
Wind: 16 mph
10 PM
Cloudy Weather
64°
Feels Like 61°
47
Humidity: 90%
UV Index: 0
Wind: 15 mph
11 PM
Cloudy Weather
64°
Feels Like 61°
33
Humidity: 91%
UV Index: 0
Wind: 14 mph

Hourly Air Quality Forecast - AQI (US EPA)

4 PM
44 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.83 µg/m³
  • PM10: 4.88 µg/m³
  • O3: 0.047 ppm
  • NO2: 0.8 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

5 PM
42 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.21 µg/m³
  • PM10: 4.24 µg/m³
  • O3: 0.046 ppm
  • NO2: 1 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

6 PM
41 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.88 µg/m³
  • PM10: 3.91 µg/m³
  • O3: 0.044 ppm
  • NO2: 1.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

7 PM
39 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.52 µg/m³
  • PM10: 3.56 µg/m³
  • O3: 0.042 ppm
  • NO2: 1.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 PM
36 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.06 µg/m³
  • PM10: 3.1 µg/m³
  • O3: 0.039 ppm
  • NO2: 1.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 PM
32 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.32 µg/m³
  • PM10: 2.37 µg/m³
  • O3: 0.035 ppm
  • NO2: 1.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 PM
28 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.79 µg/m³
  • PM10: 1.84 µg/m³
  • O3: 0.031 ppm
  • NO2: 1.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 PM
27 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.75 µg/m³
  • PM10: 1.79 µg/m³
  • O3: 0.029 ppm
  • NO2: 1.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Weather Alerts and Warnings for Hammond

Moderate Expected Likely

Wind Advisory

Wind Advisory issued April 27 at 12:50PM CDT until April 27 at 4:00PM CDT by NWS Chicago IL
Apr 27, 12:50 PM Apr 27, 4:00 PM
WHAT: Southeast to south winds 20 to 25 mph with gusts up to 50
mph.

WHERE: Portions of north central and northeast Illinois and
northwest Indiana.

WHEN: Until 4 PM CDT this afternoon.

IMPACTS: Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
+ Read More
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
Updated: Apr 27, 1:48 PM Source: NWS Alert