534
CDUS43 KILX 172244
CLIMTO
CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
444 PM CST WED DEC 17 2025
...............................
..THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR DECEMBER 17 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 9999 TO 9999
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 46 121 PM MM MM 39 7 52
MINIMUM 36 753 AM MM MM 26 10 35
AVERAGE 41 33 8 44
PRECIPITATION (IN)
TODAY 0.00 MM MM 0.06 -0.06 0.06
MONTH TO DATE 0.33 1.01 -0.68 1.07
SINCE DEC 1 0.33 1.01 -0.68 1.07
SINCE JAN 1 29.20 35.17 -5.97 34.27
DEGREE DAYS
HEATING
TODAY 24 32 -8 21
MONTH TO DATE 694 512 182 556
SINCE DEC 1 694 512 182 556
SINCE JUL 1 1539 1555 -16 1343
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1273 1117 156 1091
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 7.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 73 800 AM
LOWEST 55 1200 AM
AVERAGE 64
......................................................
THE MATTOON IL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 39 MM MM
MINIMUM TEMPERATURE (F) 26 MM MM
SUNRISE AND SUNSET
DECEMBER 17 2025......SUNRISE 708 AM CST SUNSET 431 PM CST
DECEMBER 18 2025......SUNRISE 708 AM CST SUNSET 431 PM CST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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