067
CDUS43 KILX 172131
CLIMTO
CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
431 PM CDT SUN MAY 17 2026
...............................
..THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR MAY 17 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 83 208 PM MM MM 74 9 69
MINIMUM 65 509 AM MM MM 54 11 54
AVERAGE 74 64 10 62
PRECIPITATION (IN)
TODAY 0.00 MM MM 0.12 -0.12 0.00
MONTH TO DATE 2.54 2.28 0.26 2.89
SINCE MAR 1 15.37 8.64 6.73 12.18
SINCE JAN 1 17.28 12.49 4.79 13.54
DEGREE DAYS
HEATING
TODAY 0 4 -4 3
MONTH TO DATE 126 89 37 76
SINCE MAR 1 808 1140 -332 855
SINCE JUL 1 4690 5250 -560 4788
COOLING
TODAY 9 3 6 0
MONTH TO DATE 14 32 -18 34
SINCE MAR 1 77 47 30 43
SINCE JAN 1 77 47 30 43
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WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 12.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 300 AM
LOWEST 55 100 PM
AVERAGE 76
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THE MATTOON IL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 MM MM
MINIMUM TEMPERATURE (F) 55 MM MM
SUNRISE AND SUNSET
MAY 17 2026...........SUNRISE 537 AM CDT SUNSET 802 PM CDT
MAY 18 2026...........SUNRISE 537 AM CDT SUNSET 803 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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