Climatological Report (Daily)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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917
CDUS43 KLOT 152141
CLIRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
441 PM CDT FRI AUG 15 2025
...................................
...THE ROCKFORD IL CLIMATE SUMMARY FOR AUGUST 15 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1905 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 87 1:49 PM 99 1988 82 5 78
MINIMUM 64 5:04 AM 44 1921 62 2 67
1929
AVERAGE 76 72 4 73
PRECIPITATION (IN)
TODAY 0.00 3.90 1898 0.15 -0.15 0.60
MONTH TO DATE 2.21 1.99 0.22 0.74
SINCE JUN 1 12.08 11.03 1.05 13.00
SINCE JAN 1 20.48 24.59 -4.11 28.00
SNOWFALL (IN)
TODAY 0.0 0.0 MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUN 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 0 0 0
MONTH TO DATE 0 0 0 2
SINCE JUN 1 9 30 -21 10
SINCE JUL 1 0 3 -3 4
COOLING
TODAY 11 7 4 8
MONTH TO DATE 132 119 13 105
SINCE JUN 1 750 575 175 637
SINCE JAN 1 788 636 152 705
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 3.6
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 3:00 AM
LOWEST 57 2:00 PM
AVERAGE 74
..........................................................
THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 104 1988
MINIMUM TEMPERATURE (F) 62 44 1992
SUNRISE AND SUNSET
AUGUST 15 2025........SUNRISE 6:04 AM CDT SUNSET 7:57 PM CDT
AUGUST 16 2025........SUNRISE 6:05 AM CDT SUNSET 7:55 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$