Police were looking for Wade Elliot Charlson, 37, of Holland, who took his children with him from their home in the 2000 block of Oak Hollow about 8:30 p.m. on Monday.
The boys are Jack, 6, and Colt, 4, Charlson.
Wade Charlson was driving a black 2001 Kia Spectra with a license plate of DBU1656.
A search continued throughout the night.
The vehicle was stopped by Kent County Sheriff's deputies just before 11 a.m. today on M-21 near Lowell.
The father is in police custody and will be taken in for mental health evaluation, pending possible charges.
The children are being reunited with their mother.