504
CDUS43 KFSD 182236
CLISUX
CLIMATE REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
536 PM CDT THU SEP 18 2025
...............................
..THE SIOUX CITY IA CLIMATE SUMMARY FOR SEPTEMBER 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 78 1:10 PM 101 1895 76 2 87
MINIMUM 56 6:20 AM 30 1901 50 6 68
AVERAGE 67 63 4 78
PRECIPITATION (IN)
TODAY 0.00 3.17 1905 0.09 -0.09 0.04
MONTH TO DATE 2.05 1.75 0.30 0.04
SINCE SEP 1 2.05 1.75 0.30 0.04
SINCE JAN 1 24.46 23.72 0.74 28.21
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 SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 4 -4 0
MONTH TO DATE 49 47 2 15
SINCE SEP 1 49 47 2 15
SINCE JUL 1 64 62 2 20
COOLING
TODAY 2 3 -1 13
MONTH TO DATE 71 68 3 90
SINCE SEP 1 71 68 3 90
SINCE JAN 1 935 836 99 818
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 9.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 5:00 AM
LOWEST 62 1:00 PM
AVERAGE 81
......................................................
THE SIOUX CITY IA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 98 1895
1948
MINIMUM TEMPERATURE (F) 50 29 1991
SUNRISE AND SUNSET
SEPTEMBER 18 2025.....SUNRISE 7:09 AM CDT SUNSET 7:29 PM CDT
SEPTEMBER 19 2025.....SUNRISE 7:10 AM CDT SUNSET 7:27 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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