817
CDUS43 KFSD 180819
CLIFSD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
319 AM CDT MON MAY 18 2026
...............................
..THE SIOUX FALLS CLIMATE SUMMARY FOR MAY 17 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1893 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 78 1:53 PM 97 1934 71 7 55
MINIMUM 52 11:47 PM 27 1930 48 4 37
AVERAGE 65 60 5 46
PRECIPITATION (IN)
YESTERDAY 1.05 1.63 2000 0.13 0.92 T
MONTH TO DATE 1.05 1.95 -0.90 1.02
SINCE MAR 1 4.11 6.55 -2.44 4.47
SINCE JAN 1 4.31 7.98 -3.67 4.95
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.1 -0.1 0.0
SINCE MAR 1 7.1 12.4 -5.3 3.8
SINCE JUL 1 30.4 45.3 -14.9 16.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 7 -7 19
MONTH TO DATE 167 162 5 81
SINCE MAR 1 1475 1642 -167 1271
SINCE JUL 1 6447 7151 -704 6401
COOLING
YESTERDAY 0 2 -2 0
MONTH TO DATE 3 14 -11 44
SINCE MAR 1 13 20 -7 44
SINCE JAN 1 13 20 -7 44
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WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 13.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 4:00 PM
LOWEST 34 1:00 AM
AVERAGE 64
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THE SIOUX FALLS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 98 1934
MINIMUM TEMPERATURE (F) 48 28 1915
SUNRISE AND SUNSET
MAY 18 2026...........SUNRISE 5:59 AM CDT SUNSET 8:48 PM CDT
MAY 19 2026...........SUNRISE 5:58 AM CDT SUNSET 8:49 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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