769
CDUS43 KILX 212130
CLIMTO
CLIMATE REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
430 PM CDT MON SEP 21 2026
...............................
..THE MATTOON IL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 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 70 237 PM MM MM 77 -7 86
MINIMUM 62 801 AM MM MM 54 8 60
AVERAGE 66 66 0 73
PRECIPITATION (IN)
TODAY 0.38 MM MM 0.11 0.27 0.00
MONTH TO DATE 0.63 2.05 -1.42 0.08
SINCE SEP 1 0.63 2.05 -1.42 0.08
SINCE JAN 1 34.79 27.22 7.57 24.27
DEGREE DAYS
HEATING
TODAY 0 3 -3 0
MONTH TO DATE 0 26 -26 20
SINCE SEP 1 0 26 -26 20
SINCE JUL 1 0 30 -30 24
COOLING
TODAY 1 3 -2 8
MONTH TO DATE 292 109 183 125
SINCE SEP 1 292 109 183 125
SINCE JAN 1 1312 1067 245 1166
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 8.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 200 AM
LOWEST 75 300 PM
AVERAGE 88
......................................................
THE MATTOON IL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 MM MM
MINIMUM TEMPERATURE (F) 54 MM MM
SUNRISE AND SUNSET
SEPTEMBER 21 2026.....SUNRISE 640 AM CDT SUNSET 652 PM CDT
SEPTEMBER 22 2026.....SUNRISE 641 AM CDT SUNSET 650 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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