Overview

• National Weather Service guidance calls for a significant front to sweep Michigan on Wednesday with widespread rain, a sharp cool‑down, and breezy conditions.
• Temperatures in Michigan fall from near 80 degrees Wednesday to 60s Thursday with some 40s at night, while Lake Superior may see 5–7 foot waves and gusts near gale force.
• Maryland turns warmer and more humid late week, with clusters of showers and thunderstorms possible Thursday afternoon and evening and a stronger front likely bringing additional storms Saturday.
• Greater Boston and much of New England stay dry and seasonable through Thursday before humidity rises and a line of showers likely arrives Friday evening into the overnight.
• Maine remains drought‑stressed and is watching for potentially beneficial showers late week, while a separate local report notes a chance for Northern Lights visibility in parts of the Midwest tonight.