Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
1137 PM CDT Wed Jul 15 2026

WIZ046-047-051-052-056>060-062>072-170445-
Marquette-Green Lake-Fond du Lac-Sheboygan-Sauk-Columbia-Dodge-
Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee-
Lafayette-Green-Rock-Walworth-Racine-Kenosha-
1137 PM CDT Wed Jul 15 2026

This Hazardous Weather Outlook is for portions of east central
Wisconsin, south central Wisconsin and southeast Wisconsin.

.DAY ONE...Tonight

The Wisconsin Department of Natural Resources has issued an Air
Quality Advisory for all of southern WI. Wildfire smoke expected
to continue through Thursday contributing to lower visibilities
and unhealthy air quality.

.DAYS TWO THROUGH SEVEN...Thursday through Wednesday

Wildfire smoke expected to contribute to lower visibilities and
unhealthy air quality through Thursday.

Chance of thunderstorms Thursday afternoon with additional
chances for the end of the week into the weekend.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

WIZ046-047-051-052-056>060-062>072-161700-
Marquette-Green Lake-Fond du Lac-Sheboygan-Sauk-Columbia-Dodge-
Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee-
Lafayette-Green-Rock-Walworth-Racine-Kenosha-
Including the cities of Montello, Westfield, Oxford, Neshkoro,
Endeavor, Berlin, Princeton, Markesan, Fond Du Lac, Plymouth,
Sheboygan Falls, Howards Grove, Oostburg, Baraboo, Reedsburg,
Prairie Du Sac, Sauk City, Portage, Columbus, Lake Wisconsin,
Lodi, Beaver Dam, Waupun, Mayville, West Bend, Germantown,
Hartford, Mequon, Cedarburg, Grafton, Dodgeville, Mineral Point,
Barneveld, Madison, Watertown, Fort Atkinson, Jefferson,
Waukesha, Brookfield, New Berlin, Menomonee Falls, Muskego,
Milwaukee, Darlington, Shullsburg, Benton, Belmont, Argyle,
Blanchardville, Monroe, Brodhead, Janesville, Beloit, Whitewater,
Delavan, Elkhorn, Lake Geneva, East Troy, Racine, and Kenosha
1140 AM CDT Tue Jul 14 2026

The Wisconsin Department of Natural Resources has issued an Air
Quality Advisory for the following counties: Columbia, Dane,
Dodge, Fond du Lac, Green, Green Lake, Iowa, Jefferson, Kenosha,
Lafayette, Marquette, Milwaukee, Ozaukee, Racine, Rock, Sauk,
Sheboygan, Walworth, Washington, Waukesha.

WHAT...The PM2.5 AQI (24-hour average) is expected to reach the
Unhealthy for Sensitive Groups (Orange) to Very Unhealthy
(Purple) level. Hazardous (Maroon) NowCast AQI (1-hour average)
will be possible.

WHERE...Statewide.

WHEN...From noon Tuesday until noon Thursday.

Precautionary/Preparedness Actions:

For Very Unhealthy (Purple) AQI:
Sensitive groups: Avoid all physical activity outdoors.
Reschedule to a time when air quality is better or move
activities indoors.
People with asthma: Follow your asthma action plan and keep
quick-relief medicine handy.
People with heart disease: Symptoms such as palpitations,
shortness of breath, or unusual fatigue may indicate a serious
problem. If you have any of these, contact your health care
provider.
Everyone else: Limit outdoor physical activity. Go indoors if you
have symptoms.

For Unhealthy (Red) AQI:
Sensitive groups: Consider rescheduling or moving all activities
inside. Go inside if you have symptoms.
People with asthma: Follow your asthma action plan and keep
quick-relief medicine handy.
People with heart disease: Symptoms such as palpitations,
shortness of breath, or unusual fatigue may indicate a serious
problem. If you have any of these, contact your health care
provider.
Everyone else: Keep outdoor activities shorter and less intense.
Go inside if you have symptoms.

For Unhealthy for Sensitive Groups (Orange) AQI:
Sensitive groups: Make outdoor activities shorter and less
intense. It is OK to be active outdoors but take more breaks.
Watch for symptoms such as coughing or shortness of breath.
People with asthma: Follow your asthma action plan and keep quick
relief medicine handy.
People with heart disease: Symptoms such as palpitations,
shortness of breath, or unusual fatigue may indicate a serious
problem. If you have any of these, contact your health care
provider.

Additional Details:
THIS ADVISORY WILL BE RE-EVALUATED THURSDAY MORNING AND WILL
LIKELY BE EXTENDED FOR AT LEAST SOME PORTION OF THE STATE BEYOND
NOON THURSDAY.

Smoke from wildfires in Minnesota and Ontario will enter northern
WI between 8 p.m. and midnight Tuesday night. The smoke will push
south, approximately reaching an Eau Claire to Sheboygan line by
noon Wednesday. Smoke will continue south-southwest,
approximately reaching a La Crosse to Janesville line by midnight
Wednesday night. Statewide impacts will be possible by 6 a.m.
Thursday. The heaviest smoke impacts, including the potential for
Hazardous (Maroon) NowCast AQI, are expected across northwest
Wisconsin, especially in communities along Lake Superior. Lake
enhanced smoke concentrations will also be possible for
communities near Lake Michigan.

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

$$

Sheppard

Hazard Report Provided By forecast.weather.gov