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Arctic Air Plunges into the Great Lakes, Northeast and Mid-Atlantic

Arctic air dropping through the northern and eastern U.S. and a storm off the east coast will bring periods of snow, very cold wind chills and hazardous traveling conditions from the Upper Great Lakes to the Northeast. Meanwhile in southern California, Santa Ana winds will decrease but hot, dry air will remain over the area with elevated fire weather conditions. Read More >

       100 Degree Temperatures or Higher in Sioux Falls, SD

Weather records for Sioux Falls, South Dakota commenced in 1893 and
continue to the present day.

The maximum temperature has reached 100 degrees or higher during
the months of May through September on 223 occasions.  This event
occurred in 61 of 123 years, slightly less than one half (49.6%) of
the years on record.

...Monthly Data...

100 degrees or higher occurs most often in July.  Breakdown by month
follows:
               May           3 days
               June         29 days
               July        135 days
               August       45 days
               September    11 days

...Annual Data...

Occurrence of 100 degree or higher temperatures was most frequent
in 1936. The top 10 years for frequency of occurrence were:

                 1936      21 days
                 1988      14 days
                 1894      12 days
                 1934      10 days
                 2012       9 days
                 1974       8 days
                 1947       7 days
                 1941       7 days
                 1931       7 days
                 1930       7 days

...Decadal Data...

100 degrees or higher occurred most often during the decade from 1930-1939.
The breakdown by decades follows:

               1893 - 1899    19 days  (partial decade)
               1900 - 1909     9 days
               1910 - 1919    12 days
               1920 - 1929     8 days
               1930 - 1939    58 days
               1940 - 1949    22 days
               1950 - 1959    13 days
               1960 - 1969    10 days
               1970 - 1979    31 days
               1980 - 1989    23 days
               1990 - 1999     6 days
               2000 - 2009     3 days
               2010 - 2016     9 days  (partial decade)

...Record Data...

The highest temperature on record for Sioux Falls is 110 degrees,
reached on July 17 1936 and June 21 1988.

Highest temperatures recorded in each month from May through September:

          May         104 on May 30 1934
          June        110 on June 21 1988
          July        110 on July 17 1936
          August      109 on August 24 1936
          September   104 on September 4 1913
                             September 5 1913
                             September 6 1913
                             September 6 1922
                             September 6 1976

The earliest occurrence of 100 degrees or higher was on May 25 1967
 (100 degrees).

The latest occurrence of 100 degrees or higher was on September 19 1895
 (103 degrees).


The records for consecutive days of 100 degrees or higher:

                 9 days    July  9 through July 17 1936

                 6 days    July 19 through July 24 1934 

                 5 days    July 16 through July 20 1926

                 4 days    June 18 through June 21 1988
                           July 22 through July 25 1941
                           July 26 through July 29 1935
                           June 27 through June 30 1931

                 3 days    July 5 through July 7 1988
                           August 26 through August 28 1973
                           July 17 through July 19 1940
                           July 4 through July 6 1936
                           July  9 through July 11 1930
                           September 4 through September 6 1913
                           June 24 through June 26 1911
                           July 22 through July 24 1901
                           July 21 through July 23 1894
       

updated Feb '17 
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