National Weather Service United States Department of Commerce

Enhanced Risk for Severe Thunderstorms Across the Upper Midwest; Flash Flooding Possible from the Upper Midwest to Southern Plains and Desert Southwest Through Friday

Portions of the Upper Midwest will see an increased threat for severe thunderstorms through this evening, with a few strong tornadoes possible. The same region remains on alert for additional flash flood concerns. Heavy rainfall may lead to flash flooding across the Desert Southwest today, and Southern Plains by Friday. Finally, Major-to-record river flooding continues across the Carolinas. Read More >

May was one of the driest on record for many locations across central and northeast South Dakota. Below are several locations across the area with their May 2009 total precipitation, where it ranked in history, along with the driest May on record and the year it occurred.
 
Location           May Precip       Ranking            Driest May/Year
 
 
Ipswich             0.42                  4th driest           0.03 1900
Blunt                0.85                  4th driest           0.55 2006
Murdo               0.66                  5th driest           0.30 1934
Redfield            0.79                  4th driest           0.36 1952
Aberdeen          0.47                  5th driest           0.25 1900
Columbia 8N     0.84                  3rd driest           0.61 1967 (60 year)
Milbank 2SSW   0.70                 5th driest (t)       0.16 1976
Summit 1W       1.05                  5th driest          0.52 1976 (50 year)
Waubay NWR    0.98                  4th driest          0.56 1967