MICHIGAN — A slow-moving batch of rain is set to move across Michigan from Wednesday, September 30, through Friday, October 2, ending the recent dry stretch. West Michigan is expected to see the highest totals, with 1 to 1.5 inches possible around Grand Rapids, Muskegon, Holland, and Kalamazoo. Thunderstorms may also develop on Thursday in extreme southern Michigan, while totals taper off farther north and east.
Rain Moves In From the Southwest
Heavy rain is expected to move into Michigan from west to east, or southwest to northeast, depending on the day and time. The rain will arrive slowly, allowing steady totals to build over several days.
Precipitable water values are forecast to climb back to around 2 inches, a sign of strong moisture flowing into the region. Some of that moisture is coming from the Pacific Southwest, where the remnants of Hurricane Polo are bringing even heavier rain to areas farther southwest.
West Michigan Leads With 1 to 1.5 Inches
The heaviest rain is focused across west Michigan, where 1 to 1.5 inches is forecast. That zone includes Ludington, Muskegon, Holland, Grand Rapids, Kalamazoo, and Niles.
This area will be closest to the incoming moisture as it spreads northeast. Periods of steady rain could lead to ponding on roads and slower travel, especially during heavier bursts.
Central and Southeast Michigan See 0.5 to 1 Inch
Much of central and southeast Lower Michigan is expected to see 0.5 to 1 inch of rain. That includes Cadillac, Mount Pleasant, Lansing, Jackson, Coldwater, and Adrian…