CDUS43 KLOT 182134 CLIMDW CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 434 PM CDT MON MAY 18 2026 ................................... ...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR MAY 18 2026... VALID TODAY AS OF 0400 PM LOCAL TIME. CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1928 TO 2026 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) TODAY MAXIMUM 80 2:01 PM 93 1934 72 8 62 1962 1996 MINIMUM 68 10:12 AM 34 2002 53 15 48 AVERAGE 74 62 12 55 PRECIPITATION (IN) TODAY 0.50 0.79 1986 0.14 0.36 0.00 MONTH TO DATE 0.88 2.39 -1.51 0.60 SINCE MAR 1 10.61 7.84 2.77 7.18 SINCE JAN 1 13.17 10.78 2.39 8.54 DEGREE DAYS HEATING TODAY 0 5 -5 10 MONTH TO DATE 164 129 35 103 SINCE MAR 1 1113 1356 -243 1080 SINCE JUL 1 5323 5679 -356 5018 COOLING TODAY 9 2 7 0 MONTH TO DATE 30 28 2 38 SINCE MAR 1 51 39 12 51 SINCE JAN 1 51 39 12 51 ................................................................... WIND (MPH) HIGHEST WIND SPEED 43 HIGHEST WIND DIRECTION SW (210) HIGHEST GUST SPEED 79 HIGHEST GUST DIRECTION SW (210) AVERAGE WIND SPEED 15.7 SKY COVER AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. THUNDERSTORM HEAVY RAIN LIGHT RAIN FOG FOG W/VISIBILITY <= 1/4 MILE RELATIVE HUMIDITY (PERCENT) HIGHEST 93 10:00 AM LOWEST 50 1:00 AM AVERAGE 72 .......................................................... THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 72 95 1934 MINIMUM TEMPERATURE (F) 53 37 1929 1937SUNRISE AND SUNSET MAY 18 2026...........SUNRISE 5:28 AM CDT SUNSET 8:07 PM CDT MAY 19 2026...........SUNRISE 5:27 AM CDT SUNSET 8:08 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$