484
CDUS43 KILX 152131
CLIMTO
CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
431 PM CDT TUE SEP 15 2026
...............................
..THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 15 2026
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1998 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 97 247 PM MM MM 79 18 91
MINIMUM 66 519 AM MM MM 56 10 62
AVERAGE 82 68 14 77
PRECIPITATION (IN)
TODAY 0.00 MM MM 0.10 -0.10 0.00
MONTH TO DATE 0.08 1.47 -1.39 0.08
SINCE SEP 1 0.08 1.47 -1.39 0.08
SINCE JAN 1 34.24 26.64 7.60 24.27
DEGREE DAYS
HEATING
TODAY 0 2 -2 0
MONTH TO DATE 0 13 -13 20
SINCE SEP 1 0 13 -13 20
SINCE JUL 1 0 17 -17 24
COOLING
TODAY 17 4 13 12
MONTH TO DATE 205 86 119 72
SINCE SEP 1 205 86 119 72
SINCE JAN 1 1225 1044 181 1113
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 11.2
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 79 600 AM
LOWEST 39 200 PM
AVERAGE 59
......................................................
THE MATTOON IL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 MM MM
MINIMUM TEMPERATURE (F) 56 MM MM
SUNRISE AND SUNSET
SEPTEMBER 15 2026.....SUNRISE 634 AM CDT SUNSET 701 PM CDT
SEPTEMBER 16 2026.....SUNRISE 635 AM CDT SUNSET 700 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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