If the groundhog sees its shadow there'll be six more weeks of winter, but if it doesn't, there will be an early spring.
At around 7:30 a.m. Eastern this morning, Punxsutawney Phil was summoned from his ceremonial burrow at Gobbler's Knob in Punxsutawney, PA. After emerging from his den into the 8°F (-13°C) morning air and overcast skies, Phil failed to see his shadow, signaling that weather for the remainder of winter will be mild and spring-like.
Phil's accuracy is somewhere in the 30-60% range, but this is one year Phil's prediction may actually hit the mark. According to the NOAA Climate Prediction Center, temperatures for February to April are expected to be warmer than normal for much of the nation.
2013 is one of only 17 occasions on which Phil has not seen his shadow. (Since the first prediction in 1887, he has seen his shadow 100 times. Nine years of predictions are unknown/missing.)