WATCH LIVE: The annual Groundhog Day celebration from Gobbler's Knob in Punxsutawney, Pa.
If Punxsutawney Phil sees his shadow when he emerges from his burrow, there will be six more weeks of winter. If he does not see his shadow, spring will arrive soon.
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Pennsylvania's Punxsutawney Phil is the most well-known, but more than a dozen states celebrate with their own groundhogs, such as Georgia's Gen. Beauregard Lee and Buckeye Chuck in Ohio.