588
CDUS43 KFSD 182228
CLIFSD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
528 PM CDT TUE AUG 18 2026
...............................
..THE SIOUX FALLS CLIMATE SUMMARY FOR AUGUST 18 2026
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 84 3:59 PM 101 1983 83 1 86
MINIMUM 66 6:51 AM 44 2002 61 5 68
AVERAGE 75 72 3 77
PRECIPITATION (IN)
TODAY 0.05 1.37 2025 0.11 -0.06 1.37
MONTH TO DATE 0.88 2.04 -1.16 2.52
SINCE JUN 1 5.32 9.52 -4.20 11.40
SINCE JAN 1 12.78 19.41 -6.63 17.53
SNOWFALL (IN)
TODAY 0.0 0.0 MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUN 1 0.0 0.0 0.0 T
SINCE JUL 1 0.0 0.0 0.0 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 1 0 1 0
SINCE JUN 1 15 37 -22 26
SINCE JUL 1 1 5 -4 4
COOLING
TODAY 10 7 3 12
MONTH TO DATE 153 149 4 150
SINCE JUN 1 704 621 83 648
SINCE JAN 1 780 672 108 693
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 6.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 4:00 AM
LOWEST 47 2:00 PM
AVERAGE 67
......................................................
THE SIOUX FALLS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 98 1955
MINIMUM TEMPERATURE (F) 61 39 2004
SUNRISE AND SUNSET
AUGUST 18 2026........SUNRISE 6:35 AM CDT SUNSET 8:25 PM CDT
AUGUST 19 2026........SUNRISE 6:36 AM CDT SUNSET 8:24 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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