Rubber boots will be practical footwear, and an umbrella, on Tuesday if you're heading to the International Plowing Match and Rural Expo.
The Walton site has been praised in recent weeks for its good drainage, but there is more rain in the forecast for this afternoon, with a slight chance of a thunderstorm.
The Bruce Power parade through the Tented City, which was scheduled for 10am Tuesday morning, has been postponed until Saturday.
The opening ceremonies are still on at this point with Premier Kathleen Wynne joining dozens of others on stage at 11:30am for the official ceremonies.
Horse plowing and tractor plowing has also been cancelled for Tuesday.
The extended forecast is calling for sunshine Wednesday through Saturday with highs in the upper 20 C range.
