648
CDUS43 KLOT 180644
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
144 AM CDT SAT APR 18 2026
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR APRIL 17 2026
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)
YESTERDAY
MAXIMUM 82 3:32 PM 88 1976 61 21 66
MINIMUM 48 3:47 AM 29 1944 42 6 42
1983
AVERAGE 65 51 14 54
PRECIPITATION (IN)
YESTERDAY 0.89 1.87 2013 0.13 0.76 0.06
MONTH TO DATE 4.25 1.78 2.47 2.10
SINCE MAR 1 8.35 3.66 4.69 5.49
SINCE JAN 1 10.91 6.60 4.31 6.85
DEGREE DAYS
HEATING
YESTERDAY 0 14 -14 11
MONTH TO DATE 187 288 -101 302
SINCE MAR 1 809 1076 -267 891
SINCE JUL 1 5019 5399 -380 4829
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 17 0 17 0
SINCE MAR 1 19 2 17 0
SINCE JAN 1 19 2 17 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 35 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 53 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 13.8
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1:00 AM
LOWEST 49 3:00 PM
AVERAGE 75
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 61 89 2002
MINIMUM TEMPERATURE (F) 42 25 1983
SUNRISE AND SUNSET
APRIL 18 2026.........SUNRISE 6:06 AM CDT SUNSET 7:35 PM CDT
APRIL 19 2026.........SUNRISE 6:05 AM CDT SUNSET 7:36 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page