


Hazardous Weather Outlook
Issued by NWS Detroit/Pontiac, MI
Issued by NWS Detroit/Pontiac, MI
408 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