National Weather Service United States Department of Commerce

Locally Heavy Rainfall for the Carolinas; Thunderstorms and Fire Weather Concerns for Intermountain West

Heavy rainfall from scattered thunderstorms is expected across the Southwest, Intermountain West, and Plains. Isolated dry thunderstorms may initiate additional fires across the west. The coastal Carolinas may experience flash floods in the coming days due to repeated thunderstorms. Additionally, a wave of intense summer heat will hit the Southern Plains and central Gulf Coast States this week. Read More >

Mother's Day in Sioux Falls

Average High Temperature (period of record):  68 Degrees

Average Low Temperature (period of record):  44 Degrees

Average Temperature (period of record):  56 Degrees

Average Precipitation (period of record):  0.14"

Percentage of Days with Precipitation (period of record):  56%

Percentage of Days with Snowfall (period of record):  0%

Most Precipitation Recorded: 1.96" on May 12, 1935

Most Snowfall Recorded:  none!

Record High Temperature:  90 on May 11, 1958 and May 10, 1987

Record Low Temperature: 20 on May 12, 1946

Coldest High Temperature: 43 on May 12, 1996

Warmest Overnight Low: 64 on May 13, 2007

 

Year

Date

Max

Min

Precip

Snowfall

SOG*

1914
5/10
72
45
0
0
M
1915
5/9
70
35
0
0
M
1916
5/14
52
44
1.26
0
M
1917
5/13
72
35
0
0
M
1918
5/12
52
40
0
0
M
1919
5/11
66
52
T
0
M
1920
5/9
79
59
0.06
0
M
1921
5/8
70
55
0.14
0
M
1922
5/14
65
44
T
0
M
1923
5/13
60
40
T
0
M
1924
5/11
73
39
0
0
M
1925
5/10
64
35
0
0
M
1926
5/9
73
58
T
0
M
1927
5/8
70
52
1.17
0
M
1928
5/13
68
42
0
0
M
1929
5/12
65
45
0
0
M
1930
5/11
70
51
0.35
0
M
1931
5/10
45
42
0.05
0
M
1932
5/8
60
45
0.14
0
0
1933
5/14
73
45
T
0
0
1934
5/13
64
45
0
0
0
1935
5/12
65
47
1.96
0
0
1936
5/10
74
53
0.57
0
0
1937
5/9
70
38
0
0
0
1938
5/8
58
38
0
0
0
1939
5/14
75
53
0
0
0
1940
5/12
89
59
T
0
0
1941
5/11
73
41
0.02
0
0
1942
5/10
60
46
1.39
0
0
1943
5/9
65
42
0
0
0
1944
5/14
85
58
0
0
0
1945
5/13
56
36
0.17
0
0
1946
5/12
63
20
0
0
0
1947
5/11
74
54
0
0
0
1948
5/9
49
43
0.37
0
0
1949
5/8
65
51
T
0
0
1950
5/14
72
48
0
0
0
1951
5/13
73
54
0.22
0
0
1952
5/11
62
35
0
0
0
1953
5/10
65
47
1.18
T
0
1954
5/9
62
29
0
0
0
1955
5/8
67
30
T
0
0
1956
5/13
61
44
0.69
0
0
1957
5/12
60
51
0.63
0
0
1958
5/11
90
51
0
0
0
1959
5/10
63
42
T
0
0
1960
5/8
64
31
0
0
0
1961
5/14
61
48
0.39
0
0
1962
5/13
88
61
0.16
0
0
1963
5/12
58
48
0.66
0
0
1964
5/10
78
44
0
0
0
1965
5/9
58
40
0
0
0
1966
5/8
53
36
T
0
0
1967
5/14
62
37
T
0
0
1968
5/12
72
30
0
0
0
1969
5/11
61
33
0.02
0
0
1970
5/10
73
37
0
0
0
1971
5/9
73
43
T
0
0
1972
5/14
64
43
T
0
0
1973
5/13
63
35
T
0
0
1974
5/12
60
40
0
0
0
1975
5/11
72
49
0.11
0
0
1976
5/9
78
47
0
0
0
1977
5/8
79
49
0
0
0
1978
5/14
71
38
0
0
0
1979
5/13
68
40
0.01
0
0
1980
5/11
61
36
0
0
0
1981
5/10
61
25
0
0
0
1982
5/9
79
56
0.01
0
0
1983
5/8
64
32
0
0
0
1984
5/13
70
46
0
0
0
1985
5/12
70
46
0.03
0
0
1986
5/11
78
49
0
0
0
1987
5/10
90
58
T
0
0
1988
5/8
65
44
T
0
0
1989
5/14
78
46
0
0
0
1990
5/13
62
37
0.38
0
0
1991
5/12
86
62
0.23
T
0
1992
5/10
79
62
0.04
0
0
1993
5/9
62
52
0.01
0
0
1994
5/8
71
43
0
0
0
1995
5/14
63
44
0
0
0
1996
5/12
43
38
0.05
0
0
1997
5/11
58
38
T
0
0
1998
5/10
74
49
0.08
0
0
1999
5/9
72
34
0
0
0
2000
5/14
65
36
0
0
0
2001
5/13
81
50
0
0
0
2002
5/12
54
42
T
0
0
2003
5/11
58
40
0.07
0
0
2004
5/9
89
61
0.01
0
0
2005
5/8
78
57
0.02
0
0
2006
5/14
65
47
0.07
0
0
2007 5/13 88 64 0 0 0
2008 5/11 59 34 0 0 0
2009 5/10 60 35 0 0 0
2010 5/9 56 28 T 0 0
2011 5/8 79 54 0.70 0 0
2012 5/13 74 37 0 0 0
2013 5/12 63 26 0 0 0
2014 5/11 62 48 0.75 0 0
2015 5/10 71 42 0.88 0 0
2016 5/8 72 45 T 0 0
2017 5/14 85 59 0 0 0
2018 5/13 66 49 0.03 0 0
2019 5/12 57 45 0.01 0 0
2020 5/10 50 34 0 0 0
2021 5/9 61 41 T 0 0
2022 5/8          


*SOG=Snow On Ground