Hazard Report Provided By forecast.weather.gov

MIZ050-056-057-064-071-050400-
Muskegon-Ottawa-Kent-Allegan-Van Buren-
Including the cities of Muskegon, Grand Haven, Jenison,
Grand Rapids, Holland, and South Haven
1129 AM EDT Thu Jul 3 2025

...Air Quality Advisory for July 4, 2025...

The Michigan Department of Environment, Great Lakes, and
Energy (EGLE) has declared an Air Quality Advisory for July 4, 2025,
for elevated levels of ozone along the Lake Michigan shoreline.

Pollutants within those areas are expected to be in the Unhealthy for
Sensitive Groups (USG, Orange AQI) range.

The Air Quality Advisory  is in effect for the following Michigan
counties:

Allegan, Berrien, Kent, Muskegon, Ottawa, Van Buren

Ample sunshine, surface temperatures in the 80s and favorable winds
will create a conducive environment for Ozone development along the
Lake Michigan shoreline on July 4th.

It is recommended that, when possible, you avoid strenuous outdoor
activities, especially those with respiratory diseases such as
asthma. People and businesses are urged to avoid activities which can
lead to ozone formation.

These activities include:
refueling vehicles or topping off when refueling;
using gasoline powered lawn equipment;
using charcoal lighter fluid.

Positive activities include:
driving less;
telecommuting;
walking or bike riding;
delaying or combining errands;
using water-based paints.

For up-to-date air quality data for Michigan visit the MiAir site:
https://air-egle.hub.arcgis.com/

For up-to-date air quality data nationally visit EPAs Air Now site:
https://www.airnow.gov/

$$

Thomas

Hazardous Weather Outlook
National Weather Service Grand Rapids MI
239 PM EDT Thu Jul 3 2025

MIZ037>040-043>046-050>052-056>059-064>067-071>074-041845-
Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon-
Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton-
Ingham-Van Buren-Kalamazoo-Calhoun-Jackson-
239 PM EDT Thu Jul 3 2025

This hazardous weather outlook is for portions of southwest Lower
Michigan.

.DAY ONE...This Afternoon and Tonight

Scattered showers and thunderstorms are possible through this
evening for areas near and east of US131/south of M46. Severe
weather is not expected.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

There is a slight chance of an isolated thunderstorm on Friday
July 4. Scattered thunderstorms with heavy downpours and isolated
strong wind gusts are possible on Sunday.

Increasing heat and humidity on Friday and Saturday, July 4 and
5, will be of some concern for those active outdoors or without
air conditioning.

A moderate or high swim risk at Lake Michigan beaches is possible
Saturday and Sunday, due to waves and currents kicked up by
breezy winds.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

Hazard Report Provided By forecast.weather.gov