Hourly Weather | Today Sunday, December 14, 2025
Active Weather Warnings
Milwaukee, Wisconsin
8 AM
Cloudy Weather
-2°
Feels Like -22°
0
Humidity: 85%
Wind: 13 mph
UV Index: 0
9 AM
Cloudy Weather
Feels Like -18°
0
Humidity: 80%
Wind: 13 mph
UV Index: 1
10 AM
Cloudy Weather
Feels Like -15°
0
Humidity: 75%
Wind: 13 mph
UV Index: 2
11 AM
Cloudy Weather
Feels Like -9°
0
Humidity: 72%
Wind: 13 mph
UV Index: 2
12 PM
Cloudy Weather
Feels Like -6°
0
Humidity: 71%
Wind: 13 mph
UV Index: 2
1 PM
Cloudy Weather
Feels Like -2°
0
Humidity: 70%
Wind: 12 mph
UV Index: 2
2 PM
Cloudy Weather
10°
Feels Like -2°
0
Humidity: 69%
Wind: 12 mph
UV Index: 2
3 PM
Cloudy Weather
10°
Feels Like
0
Humidity: 69%
Wind: 10 mph
UV Index: 1
4 PM
Cloudy Weather
Feels Like -4°
0
Humidity: 74%
Wind: 10 mph
UV Index: 0
5 PM
Cloudy Night
Feels Like -6°
0
Humidity: 75%
Wind: 10 mph
UV Index: 0
6 PM
Cloudy Night
Feels Like -6°
0
Humidity: 76%
Wind: 9 mph
UV Index: 0
7 PM
Cloudy Night
Feels Like -6°
0
Humidity: 79%
Wind: 9 mph
UV Index: 0
8 PM
Cloudy Night
Feels Like -6°
0
Humidity: 77%
Wind: 9 mph
UV Index: 0
9 PM
Cloudy Night
Feels Like -6°
0
Humidity: 77%
Wind: 10 mph
UV Index: 0
10 PM
Cloudy Night
Feels Like -6°
0
Humidity: 76%
Wind: 10 mph
UV Index: 0
11 PM
Cloudy Night
Feels Like -8°
0
Humidity: 74%
Wind: 12 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

8 AM
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.62 µg/m³
  • PM10: 1.99 µg/m³
  • O3: 0.035 ppm
  • NO2: 2.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

9 AM
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.62 µg/m³
  • PM10: 2.02 µg/m³
  • O3: 0.036 ppm
  • NO2: 2.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

10 AM
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.66 µg/m³
  • PM10: 2.09 µg/m³
  • O3: 0.036 ppm
  • NO2: 2.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

11 AM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.84 µg/m³
  • PM10: 2.3 µg/m³
  • O3: 0.036 ppm
  • NO2: 1.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

12 PM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.16 µg/m³
  • PM10: 2.63 µg/m³
  • O3: 0.036 ppm
  • NO2: 1.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

1 PM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.61 µg/m³
  • PM10: 3.1 µg/m³
  • O3: 0.036 ppm
  • NO2: 2 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

2 PM
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.07 µg/m³
  • PM10: 3.59 µg/m³
  • O3: 0.036 ppm
  • NO2: 2.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.4 µg/m³
  • PM10: 3.95 µg/m³
  • O3: 0.035 ppm
  • NO2: 3.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.66 µg/m³
  • PM10: 4.25 µg/m³
  • O3: 0.033 ppm
  • NO2: 4.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.93 µg/m³
  • PM10: 4.55 µg/m³
  • O3: 0.031 ppm
  • NO2: 6.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.29 µg/m³
  • PM10: 4.93 µg/m³
  • O3: 0.030 ppm
  • NO2: 6.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.67 µg/m³
  • PM10: 5.38 µg/m³
  • O3: 0.030 ppm
  • NO2: 6.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.93 µg/m³
  • PM10: 5.71 µg/m³
  • O3: 0.029 ppm
  • NO2: 6.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.96 µg/m³
  • PM10: 5.76 µg/m³
  • O3: 0.030 ppm
  • NO2: 6.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.17 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: 4.89 µg/m³
  • PM10: 5.69 µg/m³
  • O3: 0.030 ppm
  • NO2: 5.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.74 µg/m³
  • PM10: 5.47 µg/m³
  • O3: 0.030 ppm
  • NO2: 5.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

Weather Alerts and Warnings for Milwaukee

Moderate Expected Likely

Cold Weather Advisory

Cold Weather Advisory issued December 14 at 2:53AM CST until December 14 at 10:00AM CST by NWS Milwaukee/Sullivan WI
Dec 14, 2:53 AM Dec 14, 10:00 AM
WHAT: Very cold wind chills around 25 below zero.

WHERE: Portions of east central, south central, and southeast
Wisconsin.

WHEN: Until 10 AM CST this morning.

IMPACTS: The dangerously cold wind chills as low as 25 below zero
could cause frostbite on exposed skin in as little as 30 minutes.
+ Read More
Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.
Updated: Dec 14, 6:20 AM Source: NWS Alert