Oakmont, Pa. Purse: $21.5 million. Yardage: 7,372; Par: 70. All Times EDT.

Today's forecast calls for about a 50% chance rain throughout the morning, according to AccuWeather, with a slight break about the time the final pairings are scheduled to tee off in the afternoon. But that gives way to a 60% chance of rain starting about 5 p.m. through close to sunset.

The start of the 125th U.S. Open at Oakmont is here for the world's best golfers. A look at are tee times and groups for the first round on Thursday.

Oakmont, Pa. 6:45 a.m.-12:30 p.m. — a-Matt Vogt, United States; Kevin Velo, United States; Trent Phillips, United States. 6:56 a.m.-12:41 p.m. — Chandler Blanchet, United States; Alvaro Ortiz, Mexico; Doug Ghim, United States.

The third round of the U.S. Open on June 14 at the Oakmont Country Club will begin at 9:12 a.m. when Philip Barbaree tees off as a single player, due to an odd number making the 7-over cut. The last twosome of leader Sam Burns (3-under) and J.J. Spaun (2-under) will tee off at 3:35 p.m.