Climatological Report (Daily)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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984
CDUS43 KLOT 202134
CLIRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CDT WED AUG 20 2025
...................................
...THE ROCKFORD IL CLIMATE SUMMARY FOR AUGUST 20 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 81 1:54 PM 100 1947 82 -1 74
MINIMUM 64 3:26 AM 47 1897 62 2 54
1940
AVERAGE 73 72 1 64
PRECIPITATION (IN)
TODAY 0.03 1.37 1937 0.13 -0.10 0.00
MONTH TO DATE 2.97 2.68 0.29 1.18
SINCE JUN 1 12.84 11.72 1.12 13.44
SINCE JAN 1 21.24 25.28 -4.04 28.44
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 1
MONTH TO DATE 0 0 0 3
SINCE JUN 1 9 30 -21 11
SINCE JUL 1 0 3 -3 5
COOLING
TODAY 8 7 1 0
MONTH TO DATE 188 154 34 140
SINCE JUN 1 806 610 196 672
SINCE JAN 1 844 671 173 740
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 4.2
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 2:00 AM
LOWEST 58 1:00 PM
AVERAGE 79
..........................................................
THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 100 1916
1955
MINIMUM TEMPERATURE (F) 61 45 1950
SUNRISE AND SUNSET
AUGUST 20 2025........SUNRISE 6:09 AM CDT SUNSET 7:49 PM CDT
AUGUST 21 2025........SUNRISE 6:11 AM CDT SUNSET 7:48 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$