Hourly Weather Forecast for Milwaukee, Wisconsin

Hourly Weather | Today › Monday, June 29, 2026

Active Weather Warnings

Extreme Heat Warning
Air Quality Alert

Milwaukee, Wisconsin

11 PM

79°

Feels Like 82°

Humidity: 82%

UV Index: 0

Wind: 9 mph

Hourly Air Quality Forecast - AQI (US EPA)

11 PM

38 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 9.04 µg/m³
PM₁₀: 11.32 µg/m³
O₃: 0.028 ppm
NO₂: 2.4 ppb
SO₂: 1 ppb
CO: 0.11 ppm

Health Recommendations:

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

Current Real-Time Air Quality Report

Weather Alerts and Warnings for Milwaukee

Severe Expected Likely

Extreme Heat Warning

Extreme Heat Warning issued June 29 at 7:32PM CDT until July 1 at 7:00PM CDT by NWS Milwaukee/Sullivan WI

Jun 29, 7:32 PM → Jul 1, 7:00 PM

WHAT: Dangerously hot conditions with heat index values up to 106.

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

WHEN: Until 7 PM CDT Wednesday.

IMPACTS: Heat related illnesses increase significantly during
extreme heat and high humidity events.

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Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. Stay cool, stay hydrated, stay informed.

Updated: Jun 29, 10:45 PM Source: NWS Alert

Air Quality Alert

Air Quality Alert issued June 29 at 7:58AM CDT by NWS Milwaukee/Sullivan WI

Jun 29, 7:58 AM → Jun 29, 11:00 PM

The Wisconsin Department of Natural Resources has issued an Air
Quality Advisory for the following counties: Kenosha, Milwaukee,
Ozaukee, Racine, Sheboygan.

WHAT...The Ozone AQI is expected to reach the Unhealthy for
Sensitive Groups (Orange) level.

WHERE...Lake Michigan shoreline counties.

WHEN...From 11 a.m. until 11 p.m.

Precautionary/Preparedness Actions:

Sensitive groups: Make outdoor activities shorter and less
intense. Take more breaks. Watch for symptoms such as coughing or
shortness of breath. Plan outdoor activities in the morning when
ozone is lower.

People with asthma: Follow your asthma action plan and keep
quick-relief medicine handy.

For more information on current air quality, please see:
https://airquality.wi.gov