505
CDUS43 KFSD 182236
CLIFSD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
536 PM CDT THU SEP 18 2025
...............................
..THE SIOUX FALLS CLIMATE SUMMARY FOR SEPTEMBER 18 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1893 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 78 3:37 PM 94 1947 75 3 85
MINIMUM 60 7:21 AM 27 1902 51 9 69
AVERAGE 69 63 6 77
PRECIPITATION (IN)
TODAY 0.00 2.07 1986 0.09 -0.09 T
MONTH TO DATE 0.13 1.63 -1.50 0.03
SINCE SEP 1 0.13 1.63 -1.50 0.03
SINCE JAN 1 17.95 22.34 -4.39 26.90
SNOWFALL (IN)
TODAY 0.0 T 1929 0.0 0.0 0.0
MONTH TO DATE T 0.0 0.0 0.0
SINCE SEP 1 T 0.0 0.0 0.0
SINCE JUL 1 T 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 5 -5 0
MONTH TO DATE 48 49 -1 11
SINCE SEP 1 48 49 -1 11
SINCE JUL 1 70 66 4 16
COOLING
TODAY 4 3 1 12
MONTH TO DATE 86 70 16 114
SINCE SEP 1 86 70 16 114
SINCE JAN 1 844 820 24 790
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 11.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 2:00 AM
LOWEST 50 2:00 PM
AVERAGE 75
......................................................
THE SIOUX FALLS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 100 1895
MINIMUM TEMPERATURE (F) 51 27 1991
SUNRISE AND SUNSET
SEPTEMBER 18 2025.....SUNRISE 7:10 AM CDT SUNSET 7:31 PM CDT
SEPTEMBER 19 2025.....SUNRISE 7:11 AM CDT SUNSET 7:29 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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