Copper Lake, MI Weather Forecast

Key Messages

• Dry pattern with persistent high pressure sets up through much of next week. Below-average temperatures through Wednesday (including morning frost potential), gives way to above-normal temperatures late week.

Discussion

... Issued at 144 PM EDT Sun Sep 20 2026

Early afternoon GOES WV imagery and RAP analysis show a cut-off low over WY, shifting east toward Northern Plains. Further upstream there is a ridge over the Pacific Northwest and a trough off the coast of CA. High pressure of 102...