MINNEAPOLIS (WCCO) — A missing St. Louis County woman and her vehicle were found submerged in a lake early Saturday, just one day before her 80th birthday.

Darlene Lukovsky, 79, was reported missing by her family Friday afternoon after she didn’t return from grocery shopping.

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Several law enforcement agencies searched for Lukovsky, eventually finding her and her Honda CR-V in the west side of Island Lake at about 1 a.m. Saturday.

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Investigators believe foggy conditions may have led to Lukovsky missing a curve in the road, causing her to drive into the lake in Fredenburg Township.

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The fatal crash is still under investigation.