052
CDUS43 KLSX 182231
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
531 PM CDT SAT OCT 18 2025
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR OCTOBER 18 2025
VALID AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 74 902 AM 87 1953 68 6 71
MINIMUM 65 358 PM 27 1976 48 17 41
AVERAGE 70 58 12 56
PRECIPITATION (IN)
TODAY 0.99 2.21 1883 0.11 0.88 0.00
MONTH TO DATE 0.99 1.72 -0.73 T
SINCE SEP 1 1.73 4.68 -2.95 5.75
SINCE JAN 1 33.82 34.35 -0.53 37.43
SNOWFALL (IN)
TODAY 0.0 T 1898 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 8 -8 9
MONTH TO DATE 9 96 -87 70
SINCE SEP 1 13 128 -115 73
SINCE JUL 1 13 129 -116 73
COOLING
TODAY 5 1 4 0
MONTH TO DATE 114 38 76 46
SINCE SEP 1 383 250 133 314
SINCE JAN 1 1904 1700 204 2022
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 7.8
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 1000 AM
LOWEST 70 1200 AM
AVERAGE 84
......................................................
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 87 1953
MINIMUM TEMPERATURE (F) 48 25 1972
SUNRISE AND SUNSET
OCTOBER 18 2025.......SUNRISE 714 AM CDT SUNSET 618 PM CDT
OCTOBER 19 2025.......SUNRISE 715 AM CDT SUNSET 617 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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