369
CDUS43 KILX 112131
CLIMTO
CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
431 PM CDT FRI SEP 11 2026
...............................
..THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 11 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 85 243 PM MM MM 80 5 87
MINIMUM 62 454 AM MM MM 58 4 60
AVERAGE 74 69 5 74
PRECIPITATION (IN)
TODAY 0.00 MM MM 0.10 -0.10 0.00
MONTH TO DATE 0.08 1.07 -0.99 0.08
SINCE SEP 1 0.08 1.07 -0.99 0.08
SINCE JAN 1 34.24 26.24 8.00 24.27
DEGREE DAYS
HEATING
TODAY 0 1 -1 0
MONTH TO DATE 0 7 -7 20
SINCE SEP 1 0 7 -7 20
SINCE JUL 1 0 11 -11 24
COOLING
TODAY 9 5 4 9
MONTH TO DATE 161 67 94 22
SINCE SEP 1 161 67 94 22
SINCE JAN 1 1181 1025 156 1063
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SE (120)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 4.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1200 AM
LOWEST 53 300 PM
AVERAGE 77
......................................................
THE MATTOON IL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 MM MM
MINIMUM TEMPERATURE (F) 57 MM MM
SUNRISE AND SUNSET
SEPTEMBER 11 2026.....SUNRISE 631 AM CDT SUNSET 708 PM CDT
SEPTEMBER 12 2026.....SUNRISE 632 AM CDT SUNSET 706 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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