618
CDUS43 KILX 152235
CLIMTO
CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
435 PM CST MON DEC 15 2025
...............................
..THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR DECEMBER 15 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 29 359 PM MM MM 40 -11 48
MINIMUM -5 132 AM MM MM 26 -31 35
AVERAGE 12 33 -21 42
PRECIPITATION (IN)
TODAY 0.00 MM MM 0.06 -0.06 0.01
MONTH TO DATE 0.33 0.90 -0.57 0.67
SINCE DEC 1 0.33 0.90 -0.57 0.67
SINCE JAN 1 29.20 35.06 -5.86 33.87
DEGREE DAYS
HEATING
TODAY 53 32 21 23
MONTH TO DATE 638 448 190 520
SINCE DEC 1 638 448 190 520
SINCE JUL 1 1483 1491 -8 1307
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 20 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 11.4
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 82 1200 AM
LOWEST 49 400 PM
AVERAGE 66
......................................................
THE MATTOON IL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 40 MM MM
MINIMUM TEMPERATURE (F) 26 MM MM
SUNRISE AND SUNSET
DECEMBER 15 2025......SUNRISE 706 AM CST SUNSET 430 PM CST
DECEMBER 16 2025......SUNRISE 707 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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