


Hazardous Weather Outlook
Issued by NWS Detroit/Pontiac, MI
Issued by NWS Detroit/Pontiac, MI
507 FLUS43 KDTX 120823 HWODTX Hazardous Weather Outlook National Weather Service Detroit/Pontiac MI 423 AM EDT Sat Jul 12 2025 MIZ047>049-053>055-060>063-068>070-075-076-082-083-130830- Midland-Bay-Huron-Saginaw-Tuscola-Sanilac-Shiawassee-Genesee-Lapeer- St. Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe- 423 AM EDT Sat Jul 12 2025 This hazardous weather outlook is for southeast Michigan. .DAY ONE...Today and Tonight Thunderstorms become increasingly likely early this afternoon. Some of these storms could be severe, with gusts to 60 mph possible. Localized flooding may also occur where rainfall rates exceed 2 inches per hour. SPC Convective Outlook maintains a Slight Risk for severe storms. WPC Excessive Rainfall Outlook maintains a Marginal Risk for flooding. The combination of heat and humidity today will lead to max heat indices in the upper 90s for Metro Detroit, prior to the arrival of thunderstorms. .DAYS TWO THROUGH SEVEN...Sunday through Friday No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed this afternoon and evening. $$ LCZ460-LEZ444-LHZ361>363-421-422-441>443-462>464-130830- Lake St Clair- Michigan Waters of Lake Erie from Detroit River to North Cape MI- Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt beyond 5 NM off shore- Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM off shore- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay-Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- Port Austin to Harbor Beach MI-Harbor Beach to Port Sanilac MI- Port Sanilac to Port Huron MI- Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore- Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore- Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore- 423 AM EDT Sat Jul 12 2025 This hazardous weather outlook is for portions of Lake Erie, Lake Huron and Lake St Clair. .DAY ONE...Today and Tonight Thunderstorms become increasingly likely early this afternoon. Some of these storms could be severe, with gusts to 50 kts possible. SPC Convective Outlook maintains a Slight Risk for severe storms. .DAYS TWO THROUGH SEVEN...Sunday through Friday No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed this afternoon and evening. $$ You can obtain your latest National Weather Service forecasts online at www.weather.gov/detroit. KGK