A Warm, Humid Storm Looms Over Michigan

The forecast office has already flagged a possible thunderstorm threat for much of Lower Michigan as early as Monday.

• A weather system will emerge from the southwest U.S., cross the Great Lakes by late Monday or early Tuesday, and bring a warm, humid air mass into the state.
• Monday’s temperatures will feel like mid‑summer because of heat and moisture, both ingredients that spark severe storms.
• An upper‑level jet stream will also be present; its fast movement helps power powerful thunderstorms.

Although the outlook is weeks away, the agency has assigned a 15‑percent chance of severe weather for Monday or Monday night. The exact timing could shift, and the storms might actually arrive on Tuesday instead of earlier in the week.

• No immediate action required at present, but residents should keep up with daily updates.
• By Saturday or early Sunday, forecasters expect a clearer picture of any impending severe weather next week.

Stay alert and stay safe.