Climatological Report (Daily)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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CDUS43 KLOT 312138
CLIRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
438 PM CDT SUN MAY 31 2026
...................................
...THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 31 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 80 2:34 PM 106 1934 77 3 74
MINIMUM 55 4:57 AM 36 1897 55 0 46
AVERAGE 68 66 2 60
PRECIPITATION (IN)
TODAY 0.00 1.54 1969 0.16 -0.16 0.00
MONTH TO DATE 0.47 4.18 -3.71 2.17
SINCE MAR 1 9.99 10.33 -0.34 7.15
SINCE JAN 1 10.93 13.56 -2.63 8.40
SNOWFALL (IN)
TODAY 0.0 0.0 MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 T
SINCE MAR 1 6.8 5.8 1.0 4.2
SINCE JUL 1 30.8 37.1 -6.3 17.1
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 3 -3 5
MONTH TO DATE 216 198 18 210
SINCE MAR 1 1260 1540 -280 1334
SINCE JUL 1 6084 6468 -384 5929
COOLING
TODAY 3 4 -1 0
MONTH TO DATE 53 54 -1 34
SINCE MAR 1 68 61 7 38
SINCE JAN 1 68 61 7 38
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 5.0
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 57 1:00 AM
LOWEST 32 2:00 PM
AVERAGE 45
..........................................................
THE ROCKFORD IL CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 106 1934
MINIMUM TEMPERATURE (F) 55 36 1897
SUNRISE AND SUNSET
MAY 31 2026...........SUNRISE 5:23 AM CDT SUNSET 8:25 PM CDT
JUNE 1 2026..........SUNRISE 5:23 AM CDT SUNSET 8:26 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$