958
CDUS43 KFSD 182236
CLISUX
CLIMATE REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
536 PM CDT MON MAY 18 2026
...............................
..THE SIOUX CITY IA CLIMATE SUMMARY FOR MAY 18 2026
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1889 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 57 2:46 PM 99 1934 73 -16 76
MINIMUM 52 10:35 AM 33 1915 50 2 37
AVERAGE 55 61 -6 57
PRECIPITATION (IN)
TODAY 0.09 1.35 1962 0.13 -0.04 0.25
MONTH TO DATE 0.78 2.14 -1.36 0.38
SINCE MAR 1 5.91 7.05 -1.14 5.05
SINCE JAN 1 6.20 8.60 -2.40 5.61
SNOWFALL (IN)
TODAY 0.0 T 1968 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE MAR 1 3.6 8.0 -4.4 8.0
SINCE JUL 1 20.5 36.0 -15.5 18.6
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 10 6 4 8
MONTH TO DATE 139 148 -9 75
SINCE MAR 1 1241 1515 -274 1207
SINCE JUL 1 5802 6786 -984 5999
COOLING
TODAY 0 2 -2 0
MONTH TO DATE 21 22 -1 33
SINCE MAR 1 47 30 17 43
SINCE JAN 1 47 30 17 43
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 12.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 4:00 PM
LOWEST 86 4:00 AM
AVERAGE 93
......................................................
THE SIOUX CITY IA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 99 1934
MINIMUM TEMPERATURE (F) 50 32 1895
2002
SUNRISE AND SUNSET
MAY 18 2026...........SUNRISE 6:01 AM CDT SUNSET 8:44 PM CDT
MAY 19 2026...........SUNRISE 6:00 AM CDT SUNSET 8:45 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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