141
CDUS43 KLOT 200641
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
141 AM CDT WED MAY 20 2026
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR MAY 19 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 79 2:22 PM 95 1934 72 7 57
MINIMUM 61 11:59 PM 37 1929 53 8 45
1937
AVERAGE 70 63 7 51
PRECIPITATION (IN)
YESTERDAY T 1.54 1931 0.14 -0.14 0.00
MONTH TO DATE 0.88 2.53 -1.65 0.60
SINCE MAR 1 10.61 7.98 2.63 7.18
SINCE JAN 1 13.17 10.92 2.25 8.54
DEGREE DAYS
HEATING
YESTERDAY 0 5 -5 14
MONTH TO DATE 164 134 30 117
SINCE MAR 1 1113 1361 -248 1094
SINCE JUL 1 5323 5684 -361 5032
COOLING
YESTERDAY 5 2 3 0
MONTH TO DATE 34 30 4 38
SINCE MAR 1 55 41 14 51
SINCE JAN 1 55 41 14 51
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 15.9
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 12:00 AM
LOWEST 58 12:00 PM
AVERAGE 73
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 95 1977
MINIMUM TEMPERATURE (F) 53 36 1981
SUNRISE AND SUNSET
MAY 20 2026...........SUNRISE 5:26 AM CDT SUNSET 8:09 PM CDT
MAY 21 2026...........SUNRISE 5:26 AM CDT SUNSET 8:10 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