National Weather Service United States Department of Commerce

Severe Thunderstorms in the East Sunday; Excessive Heat Lingers in the Southern U.S. and Returning to California

Scattered damaging winds from severe thunderstorms will be possible across parts of the Northeast and Mid-Atlantic States Sunday. Excessive heat will continue over the southern U.S. Sunday before another round of heat arrives Monday through the central and southern U.S. spreading into the East by Independence Day. California will see excessive heat starting Tuesday. Read More >

As an update to the story published earlier this week on dew point records, the following table includes sites from Sioux Falls’ area as well. The day that story was published (8/1), Aberdeen and Sisseton tied their records. Notice that both Huron and Sisseton set records this summer. By comparing recent dew point temperatures to the records, this summer’s uncomfortable conditions can be confirmed!

 

Site

Highest Recent Dew Point Temperature

Recent Date

Record Dew Point Temperature

Record Date

Period of Record

Aberdeen

82°F

8/1/2011,

7/17/2011

82°F

8/1/2011, 7/17/2011, 7/18/2001, 7/29/1999

1948-2011

Huron

81°F

7/18/2011, 7/17/2011

81°F

7/18/2011, 7/17/2011

1892-2011

Mitchell

80°F

7/18/2011, 7/16/2011

86°F

7/15/2002, 8/8/1975

1973-2011

Mobridge

80°F

7/18/2011, 7/17/2011

83°F

6/12/1987

1977-2011

Pierre

80°F

7/16/2011

84°F

7/1/2000

1948-2011

Sioux Falls

81°F

7/17/2011

82°F

7/10/2004

1942-2011

Sisseton

83°F

8/1/2011, 7/17/2011

83°F

8/1/2011, 7/17/2011

2001-2011

Watertown

80°F

7/19/2011, 7/18/2011, 7/17/2011

81°F

7/29/1999, 7/12/1995

1948-2011