Hazardous Weather Outlook
Issued by NWS Detroit/Pontiac, MI

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FLUS43 KDTX 190832
HWODTX

Hazardous Weather Outlook
National Weather Service Detroit/Pontiac MI
432 AM EDT Tue Aug 19 2025

MIZ047>049-053>055-060>063-068>070-075-076-082-083-200845-
Midland-Bay-Huron-Saginaw-Tuscola-Sanilac-Shiawassee-Genesee-Lapeer-
St. Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe-
432 AM EDT Tue Aug 19 2025

This hazardous weather outlook is for southeast Michigan.

.DAY ONE...Today and Tonight

Showers and thunderstorms spread west to east across southeast
Michigan this morning through early afternoon. Locally heavy rainfall
is the primary hazard in this phase of the system.

There is an additional chance of thunderstorms late this afternoon
and this evening, mainly south of I-69. These storms are not expected
to reach severe intensity, however the storms will be capable of
heavy downpours and wind gusts around 40 mph.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today and tonight.

$$

LCZ460-LEZ444-LHZ361>363-421-422-441>443-462>464-200845-
Lake St Clair-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM
off shore-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw
Bay-Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
Port Austin to Harbor Beach MI-Harbor Beach to Port Sanilac MI-
Port Sanilac to Port Huron MI-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
432 AM EDT Tue Aug 19 2025

This hazardous weather outlook is for portions of Lake Erie, Lake
Huron and Lake St Clair.

.DAY ONE...Today and Tonight

Showers and thunderstorms spread west to east across the central
Great Lakes this morning through early afternoon. Locally heavy
rainfall is the primary hazard in this phase of the system.

There is an additional chance of thunderstorms late this afternoon
and this evening, mainly south of Port Huron. These storms are not
expected to reach severe intensity, however the storms will be
capable of heavy downpours and wind gusts near 35 knots.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Small Craft Advisories are likely Wednesday as gusty northeast wind
develops across southern Lake Huron and Saginaw Bay.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today and tonight.

$$

You can obtain your latest National Weather Service forecasts online
at www.weather.gov/detroit.

BT