836
CDUS43 KILX 212126
CLIMTO
CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
426 PM CDT FRI AUG 21 2026
...............................
..THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR AUGUST 21 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 82 256 PM MM MM 84 -2 80
MINIMUM 59 444 AM MM MM 63 -4 59
AVERAGE 71 74 -3 70
PRECIPITATION (IN)
TODAY 0.00 MM MM 0.07 -0.07 0.00
MONTH TO DATE 3.74 1.58 2.16 0.31
SINCE JUN 1 15.70 10.26 5.44 9.60
SINCE JAN 1 34.07 24.33 9.74 24.11
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 6 8 -2 5
MONTH TO DATE 237 200 37 238
SINCE JUN 1 806 775 31 959
SINCE JAN 1 935 881 54 1016
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 2.2
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 96 500 AM
LOWEST 53 200 PM
AVERAGE 75
......................................................
THE MATTOON IL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 MM MM
MINIMUM TEMPERATURE (F) 63 MM MM
SUNRISE AND SUNSET
AUGUST 21 2026........SUNRISE 611 AM CDT SUNSET 740 PM CDT
AUGUST 22 2026........SUNRISE 612 AM CDT SUNSET 739 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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