228
CDUS43 KILX 152136
CLIMTO
CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
436 PM CDT FRI MAY 15 2026
...............................
..THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR MAY 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 73 300 PM MM MM 74 -1 86
MINIMUM 50 MM MM MM 54 -4 67
AVERAGE 62 64 -2 77
PRECIPITATION (IN)
TODAY 0.25 MM MM 0.12 0.13 0.00
MONTH TO DATE 2.47 2.04 0.43 2.32
SINCE MAR 1 15.30 8.40 6.90 11.61
SINCE JAN 1 17.21 12.25 4.96 12.97
DEGREE DAYS
HEATING
TODAY 3 4 -1 0
MONTH TO DATE 127 81 46 73
SINCE MAR 1 809 1132 -323 852
SINCE JUL 1 4691 5242 -551 4785
COOLING
TODAY 0 3 -3 12
MONTH TO DATE 0 26 -26 26
SINCE MAR 1 63 41 22 35
SINCE JAN 1 63 41 22 35
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 10.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 600 AM
LOWEST 51 300 PM
AVERAGE 74
......................................................
THE MATTOON IL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 MM MM
MINIMUM TEMPERATURE (F) 54 MM MM
SUNRISE AND SUNSET
MAY 15 2026...........SUNRISE 539 AM CDT SUNSET 800 PM CDT
MAY 16 2026...........SUNRISE 538 AM CDT SUNSET 801 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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