159
CDUS43 KFSD 212255
CLIFSD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
555 PM CDT FRI AUG 21 2026
...............................
..THE SIOUX FALLS CLIMATE SUMMARY FOR AUGUST 21 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 86 3:20 PM 98 1947 82 4 87
1959
1968
MINIMUM 58 6:08 AM 40 2004 60 -2 63
AVERAGE 72 71 1 75
PRECIPITATION (IN)
TODAY 0.00 2.28 2002 0.10 -0.10 0.00
MONTH TO DATE 1.05 2.34 -1.29 2.52
SINCE JUN 1 5.49 9.82 -4.33 11.40
SINCE JAN 1 12.95 19.71 -6.76 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 7 7 0 10
MONTH TO DATE 172 170 2 184
SINCE JUN 1 723 642 81 682
SINCE JAN 1 799 693 106 727
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 5.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 2:00 AM
LOWEST 36 2:00 PM
AVERAGE 68
......................................................
THE SIOUX FALLS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 103 1971
MINIMUM TEMPERATURE (F) 60 41 1904
SUNRISE AND SUNSET
AUGUST 21 2026........SUNRISE 6:39 AM CDT SUNSET 8:21 PM CDT
AUGUST 22 2026........SUNRISE 6:40 AM CDT SUNSET 8:19 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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