The weather was expected to be clear for the PGA Championship in Pittsford, N.Y. this weekend, but Mother Nature still found a way to wreak some havoc ahead of the major tournament's first round.
An early morning frost set in on the course at Oak Hill Country Club on Thursday before the PGA Championship began. That will delay the start of play at the course, which was originally expected to begin at 7 a.m. ET.
Here's what to know about the delay, the weather in Rochester area and when golfers can be expected to tee off in the quest for the Wanamaker Trophy.
LIVE: Follow Thursday's PGA Championship action at Oak Hill Country Club
PGA Championship weather updates
The frost delay at Oak Hill Country Club isn't expected to be a long-term issue. While it was a cold morning in Rochester, temperatures are expected to reach a high of 62 degrees, per Weather.com. There is a zero percent chance of precipitation, so it should be a clear day at the course once the frost thaws.
Still, the frozen course caused delays for golfers who were expected to tee off in the first two hours of the tournament.
The PGA Championship announced that tee times would be delayed by a total of 1 hour and 50 minutes. That meant the first groups of the day — Shaun Micheel, Braden Shattuck and Steven Alker on the first tee and Sam Ryder, Gabe Reynolds, Brandon Wu on the 10th tee — would begin play at 8:50 a.m. ET.
Additionally, the practice facilities available to golfers did not open until 7:35 a.m. ET with the practice greens opening at 7:45 a.m. ET. Meanwhile, fans and patrons were not able to begin entering the facility until 8 a.m. ET.
Nonetheless, the issue is only expected to be a short-term one and soon enough, the action will be underway at Oak Hill.
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PGA Championship frost delay
Frost delays are exceedingly rare in golf given that the sport is often played in the summer or in areas with typically warm or mild climates. As such, Thursday morning's delay was something that golf fans don't often see — especially at a major event.
So, what does a frost delay look like? Here's a smattering of images from Oak Hill before the course thawed on Thursday morning.
PGA Championship updated tee times
Below is a full look at the updated tee times for play on Thursday.
First tee
| Time | Grouping |
| 8:50 a.m. | Shaun Micheel, Braden Shattuck, Steven Alker |
| 9:01 a.m. | Ben Griffin, Chris French, Joel Dahmen |
| 9:12 a.m. | Wyatt Worthington II, Nico Echavarria, Wyndham Clark |
| 9:23 a.m. | Tom Hoge, Ryan Fox, K.H. Lee |
| 9:34 a.m. | Paul Casey, Adam Svensson, Beau Hossler |
| 9:45 a.m. | Zach Johnson, Kurt Kitayama, Sahith Theegala |
| 9:56 a.m. | Corey Conners, Ockie Strydom, Joaquin Niemann |
| 10:07 a.m. | Kevin Kisner, Jimmy Walker, Padraig Harrington |
| 10:18 a.m. | Alex Noren, J.T. Poston, Mackenzie Hughes |
| 10:29 a.m. | Lee Hodges, Callum Tarren, David Lingmerth |
| 10:40 a.m. | Taylor Moore, Denny McCarthy, Brendan Steele |
| 10:51 a.m. | Jeremy Wells, Justin Suh, Adri Arnaus |
| 11:02 a.m. | Anthony Cordes, Mark Hubbard, Dean Burmester |
| 2:20 p.m. | Matt Cahill, Taylor Montgomery, Cam Davis |
| 2:31 p.m. | Michael Block, Hayden Buckley, Taylor Pendrith |
| 2:42 p.m. | Alex Beach, Brendon Todd, Sihwan Kim |
| 2:53 p.m. | Patrick Reed, Rasmus Hojgaard, Nick Taylor |
| 3:04 p.m. | Christiaan Bezuidenhout, John Somers, Chez Reavie |
| 3:15 p.m. | Tommy Fleetwood, Cameron Young, Hideki Matsuyama |
| 3:26 p.m. | Adam Scott, Max Homa, Tony Finau |
| 3:37 p.m. | Xander Schauffele, Tyrrell Hatton, Dustin Johnson |
| 3:48 p.m. | Patrick Cantlay, Rickie Fowler, Phil Mickelson |
| 3:59 p.m. | Alex Smalley, Russell Henley, Mito Pereira |
| 4:10 p.m. | Adam Hadwin, Matt Kuchar, Talor Gooch |
| 4:21 p.m. | Justin Rose, Billy Horschel, Francesco Molinari |
| 4:32 p.m. | Russell Grove, Patrick Rodgers, Ben Taylor |
10th tee
| Time (ET) | Grouping |
| 8:55 a.m. | Trey Mullinax, Josh Speight, Kazuki Higa |
| 9:06 a.m. | Adam Schenk, Colin Inglis, Thriston Lawrence |
| 9:17 a.m. | Min Woo Lee, Andrew Putnam, Emiliano Grillo |
| 9:28 a.m. | Harold Varner III, Scott Stallings, Nicolai Hojgaard |
| 9:39 a.m. | Steve Holmes, Adrian Otaegui, Davis Riley |
| 9:50 a.m. | Scottie Scheffler, Brooks Koepka, Gary Woodland |
| 10:01 a.m. | Rory McIlroy, Justin Thomas, Collin Morikawa |
| 10:12 a.m. | Shane Lowry, Jordan Spieth, Viktor Hovland |
| 10:23 a.m. | Matthew Fitzpatrick, Cameron Smith, Jon Rahm |
| 10:34 a.m. | Luke Donald, Adrian Meronk, Yannik Paul |
| 10:45 a.m. | Kenny Pigman, Davis Thompson, Maverick McNealy |
| 10:56 a.m. | Keegan Bradley, Jason Day, Bryson DeChambeau |
| 11:07 a.m. | Jesse Droemer, Matt NeSmith, Rikuya Hoshino |
| 2:15 p.m. | Sam Ryder, Gabe Reynolds, Brandon Wu |
| 2:26 p.m. | Sadom Kaewkanjana, Ben Kern, Thorbjorn Olesen |
| 2:37 p.m. | Webb Simpson, Y.E. Yang, Danny Willett |
| 2:48 p.m. | Sepp Straka, Harris English, Robert MacIntyre |
| 2:59 p.m. | Thomas Pieters, Keith Mitchell, Pablo Larrazabal |
| 3:10 p.m. | Lucas Herbert, Brian Harman, Callum Shinkwin |
| 3:21 p.m. | Tom Kim, Sam Burns, Abraham Ancer |
| 3:32 p.m. | Sungjae Im, Chris Kirk, Seamus Power |
| 3:43 p.m. | Si Woo Kim, Stephan Jaeger, Anirban Lahiri |
| 3:54 p.m. | Victor Perez, Aaron Wise, Jordan Smith |
| 4:05 p.m. | Chris Sanger, J.J. Spaun, David Micheluzzie |
| 4:16 p.m. | Thomas Detry, J.J. Killeen, Matt Wallace |
| 4:27 p.m. | Nick Hardy, Greg Koch, Eric Cole |
It isn't yet clear whether the near-two-hour delay will impact the anticipated tee times for Friday. Those have not yet changed, but they may, depending on whether the golfers can complete all of the Round 1 play by day's end on Thursday.
