FRASER, Colo. (AP) – The search has been called off for a missing hunter in the Colorado mountains.

Rich Kothanek (credit: CBS)

Rich Kothanek (credit: CBS)

Grand County Sheriff Rod Johnson says the search for 51-year-old Richard Kothanek of Littleton ended on Tuesday.

READ MORE: Denver Public Schools To Discuss Extension To School Year

Johnson says temperatures dropped to minus-16 Saturday night making it unlikely Kothanek survived.

READ MORE: Hunting, Fishing Applications Open In Colorado
(credit: CBS)

(credit: CBS)

Authorities say Kothanek went on a short hunting trip by himself on Saturday and never returned.

RELATED: Search For Hunter Missing Near Fraser Hindered By Weather

MORE NEWS: Stimulus Check Update: Some May See Even More Money From Potential Economic Relief Package

(© Copyright 2014 The Associated Press. All Rights Reserved. This material may not be published, broadcast, rewritten or redistributed.)