417
CDUS43 KLOT 010641
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1241 AM CST SUN FEB 01 2026
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JANUARY 31 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 25 4:23 PM 65 1989 32 -7 40
MINIMUM 11 1:01 AM -21 2019 18 -7 33
AVERAGE 18 25 -7 37
PRECIPITATION (IN)
YESTERDAY T 1.52 1914 0.06 -0.06 1.24
MONTH TO DATE 2.53 1.99 0.54 1.98
SINCE DEC 1 4.60 4.10 0.50 3.91
SINCE JAN 1 2.53 1.99 0.54 1.98
SNOWFALL (IN)
YESTERDAY T 9.5 1914 0.4 -0.4 T
MONTH TO DATE 11.3 11.3 0.0 4.6
SINCE DEC 1 20.8 18.9 1.9 7.0
SINCE JUL 1 31.2 20.9 10.3 9.9
SNOW DEPTH 4
DEGREE DAYS
HEATING
YESTERDAY 47 40 7 28
MONTH TO DATE 1329 1228 101 1306
SINCE DEC 1 2501 2297 204 2319
SINCE JUL 1 3470 3448 22 3086
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 12.9
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
RELATIVE HUMIDITY (PERCENT)
HIGHEST 77 8:00 AM
LOWEST 62 5:00 PM
AVERAGE 70
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 32 56 1968
MINIMUM TEMPERATURE (F) 19 -14 1985
SUNRISE AND SUNSET
FEBRUARY 1 2026......SUNRISE 7:04 AM CST SUNSET 5:07 PM CST
FEBRUARY 2 2026......SUNRISE 7:03 AM CST SUNSET 5:08 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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