Climatological Report (Daily)
Issued by NWS Chicago, IL

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340
CDUS43 KLOT 260635
CLIRFD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
135 AM CDT WED AUG 26 2026

...................................

...THE ROCKFORD IL CLIMATE SUMMARY FOR AUGUST 25 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1905 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         80   1:20 PM  97    2003  81     -1       70
  MINIMUM         54   5:40 AM  41    1958  61     -7       50
  AVERAGE         67                        71     -4       60

PRECIPITATION (IN)
  YESTERDAY        0.00          4.22 1972   0.14  -0.14     0.00
  MONTH TO DATE    2.06                      3.35  -1.29     2.97
  SINCE JUN 1     10.95                     12.39  -1.44    12.84
  SINCE JAN 1     21.93                     25.95  -4.02    21.24

SNOWFALL (IN)
  YESTERDAY        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
  YESTERDAY        0                         0      0        5
  MONTH TO DATE    0                         0      0        6
  SINCE JUN 1     12                        30    -18       15
  SINCE JUL 1      0                         3     -3        6

 COOLING
  YESTERDAY        2                         6     -4        0
  MONTH TO DATE  165                       186    -21      198
  SINCE JUN 1    628                       642    -14      816
  SINCE JAN 1    696                       703     -7      854
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED     4.4


SKY COVER
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           3:00 AM
 LOWEST     48           2:00 PM
 AVERAGE    74

..........................................................


THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   81        97      1953
 MINIMUM TEMPERATURE (F)   60        42      1934


SUNRISE AND SUNSET
AUGUST 26 2026........SUNRISE   6:16 AM CDT   SUNSET   7:40 PM CDT
AUGUST 27 2026........SUNRISE   6:17 AM CDT   SUNSET   7:38 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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