WARSAW — The season’s first frost advisory has been issued for northern Indiana.

Overnight lows are expected to be in the mid-30s Monday night, Oct. 14, the National Weather Service said.

The advisory is for portions of northern Indiana, southwest Michigan and northwest Ohio.

Frost could kill sensitive outdoor vegetation if left uncovered. Frost will linger until about 8 a.m. Tuesday.

Tuesday’s forecast calls for breezy conditions and a high near 66. The overnight low will be 42.