970
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
1937
SUNRISE 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.
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