598
CDUS43 KFSD 182236
CLISUX
CLIMATE REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
436 PM CST THU DEC 18 2025
...............................
..THE SIOUX CITY IA CLIMATE SUMMARY FOR DECEMBER 18 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1889 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 47 1:06 AM 60 1976 32 15 33
MINIMUM 17 3:19 PM -20 2016 14 3 21
AVERAGE 32 23 9 27
PRECIPITATION (IN)
TODAY 0.04 0.39 1968 0.03 0.01 0.00
MONTH TO DATE 0.54 0.59 -0.05 0.09
SINCE DEC 1 0.54 0.59 -0.05 0.09
SINCE JAN 1 27.47 28.87 -1.40 31.87
SNOWFALL (IN)
TODAY MM 4.4 2000 0.3 MM 0.0
MONTH TO DATE 7.6 4.3 3.3 1.3
SINCE DEC 1 7.6 4.3 3.3 1.3
SINCE JUL 1 15.6 8.3 7.3 2.5
SNOW DEPTH 1
DEGREE DAYS
HEATING
TODAY 33 42 -9 38
MONTH TO DATE 777 704 73 679
SINCE DEC 1 777 704 73 679
SINCE JUL 1 1952 2177 -225 1738
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1019 865 154 858
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 45 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 63 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 24.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
LIGHT SNOW
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 1:00 AM
LOWEST 56 3:00 PM
AVERAGE 73
......................................................
THE SIOUX CITY IA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 32 54 1894
1979
MINIMUM TEMPERATURE (F) 14 -19 1983
SUNRISE AND SUNSET
DECEMBER 18 2025......SUNRISE 7:50 AM CST SUNSET 4:55 PM CST
DECEMBER 19 2025......SUNRISE 7:51 AM CST SUNSET 4:55 PM CST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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