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. $$