National Weather Service United States Department of Commerce

Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Weather History - April 21st

Local and Regional Events:

April 21st, 2007:

Heavy rains of 2 to 2.50 inches caused flash flooding in and around Watertown. Many streets and several roads outside of town were flooded. During the evening, a warm front extending across the region was the focus for heavy rain and severe weather across far northeast South Dakota. Hail up to the size of quarters, along with heavy rains of over 2 inches, caused some flooding, mainly in Codington and Hamlin counties.