024
CDUS43 KLOT 290636
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1236 AM CST MON DEC 29 2025
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR DECEMBER 28 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1928 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 59 4:46 PM 67 1984 34 25 53
MINIMUM 22 11:59 PM -3 1961 22 0 45
AVERAGE 41 28 13 49
PRECIPITATION (IN)
YESTERDAY 1.15 1.82 2015 0.05 1.10 0.01
MONTH TO DATE 1.78 1.63 0.15 0.54
SINCE DEC 1 1.78 1.63 0.15 0.54
SINCE JAN 1 31.47 34.26 -2.79 35.73
DEGREE DAYS
HEATING
YESTERDAY 24 37 -13 16
MONTH TO DATE 1011 933 78 894
SINCE DEC 1 1011 933 78 894
SINCE JUL 1 1920 2017 -97 1600
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1410 1112 298 1384
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 36 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 49 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 12.3
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
LIGHT SNOW
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1:00 AM
LOWEST 78 11:00 PM
AVERAGE 89
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THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 34 64 1984
MINIMUM TEMPERATURE (F) 22 -8 1976
SUNRISE AND SUNSET
DECEMBER 29 2025......SUNRISE 7:18 AM CST SUNSET 4:29 PM CST
DECEMBER 30 2025......SUNRISE 7:18 AM CST SUNSET 4:29 PM CST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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