334
CDUS43 KILX 172139
CLIMTO
CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
439 PM CDT MON AUG 17 2026
...............................
..THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR AUGUST 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 81 252 PM MM MM 84 -3 90
MINIMUM 72 635 AM MM MM 64 8 72
AVERAGE 77 74 3 81
PRECIPITATION (IN)
TODAY 0.01 MM MM 0.07 -0.06 0.00
MONTH TO DATE 3.61 1.30 2.31 0.30
SINCE JUN 1 15.57 9.98 5.59 9.59
SINCE JAN 1 33.94 24.05 9.89 24.10
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 13 -13 1
SINCE JUL 1 0 1 -1 0
COOLING
TODAY 12 9 3 16
MONTH TO DATE 208 165 43 191
SINCE JUN 1 777 740 37 912
SINCE JAN 1 906 846 60 969
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 8.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 500 AM
LOWEST 58 300 PM
AVERAGE 79
......................................................
THE MATTOON IL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 MM MM
MINIMUM TEMPERATURE (F) 64 MM MM
SUNRISE AND SUNSET
AUGUST 17 2026........SUNRISE 608 AM CDT SUNSET 746 PM CDT
AUGUST 18 2026........SUNRISE 609 AM CDT SUNSET 745 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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