Key facts
- Much of the Upper Midwest had dry conditions with infrequent rainfall in May.
- The Ohio Valley experienced multiple heavy rain events in May.
- May was nearly a top 10 wettest month for the Ohio Valley.
- Conditions improved across the Great Plains in May.
May precipitation patterns showed significant regional differences. The Upper Midwest experienced a dry month with infrequent rainfall, while the Ohio Valley saw multiple heavy rain events, bringing it close to being one of the top 10 wettest Mays on record. Meanwhile, conditions improved across the Great Plains.