Much of Earth’s excess heat is now stored in the Pacific Ocean, which is the source of Prairie precipitation. This will likely cause more overall precipitation during wet times and less than expected in dry times because natural oscillation of the atmosphere and ocean is occurring in a warmer climate.

https://www.producer.com/news/prairie-precipitation-predictions-right-amounts-at-the-wrong-times/?utm_source=Western+Producer&utm_campaign=e0e77dc1e8-Producer+Daily+-+2021-12-31&utm_medium=email&utm_term=0_a5b062b4c9-e0e77dc1e8-89242371