668
CDUS43 KLOT 172211
CLILOT
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
511 PM CDT THU SEP 17 2026
...............................
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR SEPTEMBER 17 2026
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1992 TO 2026
WEATHER ITEM OBSERVED RECORD YEAR NORMAL DEPARTURE LAST
VALUE VALUE VALUE FROM YEAR
NORMAL
........................................................
TEMPERATURE (F)
TODAY
MAXIMUM 84 91 2018 76 8 84
MINIMUM 67 44 1999 55 12 58
2014
AVERAGE 76 66 10 71
PRECIPITATION (IN)
TODAY 2.69R 1.02 2023 0.10 2.59 0.00
MONTH TO DATE 2.92 1.92 1.00 0.43
SINCE SEP 1 2.92 1.92 1.00 0.43
SINCE JAN 1 38.40 31.26 7.14 25.44
SNOWFALL (IN)
TODAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 3 -3 0
MONTH TO DATE 3 25 -22 49
SINCE SEP 1 3 25 -22 49
SINCE JUL 1 3 31 -28 61
COOLING
TODAY 11 3 8 6
MONTH TO DATE 170 78 92 57
SINCE SEP 1 170 78 92 57
SINCE JAN 1 1005 903 102 960
........................................................
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 88 2000
2007
MINIMUM TEMPERATURE (F) 55 43 1995
SUNRISE AND SUNSET
SEPTEMBER 17 2026.....SUNRISE 6:35 AM CDT SUNSET 6:58 PM CDT
SEPTEMBER 18 2026.....SUNRISE 6:36 AM CDT SUNSET 6:56 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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