It will be mostly sunny but cold today.

Highs will reach about 40 degrees with wind chill values as low as 15. Wind gusts could reach as high as 32 mph today.

Temperatures will drop to about 21 degrees tonight with wind chill values as low as 12.

The high for Tuesday is expected to be near 40 degrees with wind chill values as low as 10. The high on Wednesday is expected to reach about 47 degrees.

The National Weather Service has issued a gale warning for boaters through 5 a.m. Tuesday.

A gale warning means wind or frequent gusts could reach 34 to 47 knots. The Weather Service says operating a vessel in gale conditions requires experience and the proper equipment. It suggests that mariners without proper experience seek safe harbor.