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List of active weather alerts as storms move through Southeast Michigan Tuesday

Thunderstorms moving across SE Michigan July 21

Storms in SE Michigan on July 21, 2026. (WDIV)

4Warn Weather – Thunderstorms are moving across Metro Detroit on Tuesday, July 21.

Click here for the latest forecast from our 4Warn Weather team.

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Here’s a list of the alerts by county.

Wayne County

  • No active weather alerts.

Oakland County

  • No active weather alerts.

Macomb County

  • No active weather alerts.

Washtenaw County

  • No active weather alerts.

Monroe County

  • No active weather alerts.

Livingston County

  • No active weather alerts.

Lenawee County

  • No active weather alerts.

Lapeer County

  • A severe thunderstorm warning has been issued until 1:30 p.m.
  • A severe thunderstorm warning has been issued until 12:45 p.m.

Genesee County

  • No active weather alerts.

St. Clair County

  • A severe thunderstorm warning has been issued until 2 p.m.
  • A severe thunderstorm warning has been issued until 1:30 p.m.

Sanilac County

  • A severe thunderstorm warning has been issued until 1:30 p.m.
  • A severe thunderstorm warning has been issued until 12:45 p.m.