The biggest threat to a delay at The Open is lightning and heavy wind, and there aren't too many threats of that in the forecast. AccuWeather calls for an 80% chance of rain throughout the third round, mostly in the afternoon and evening. The winds shouldn't be too bad either, at least as far as British Opens go.

British Open is down to its final round. Here's how the weather forecast might affect play at Royal Portrush on Sunday.