National Weather Service United States Department of Commerce

Heavy to Excessive Rainfall for the Southwest;

Tropical moisture from Priscilla will bring a multi-day thunderstorm, widespread heavy rainfall and flash flooding event across the Southwest/Four Corners region. Flash flooding will be a concern in burn scars, slot canyons, and urban areas. Widespread storms are expected in central/South Florida with some isolated flash flooding possible. 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.