518
CDUS43 KLSX 152226
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
526 PM CDT WED OCT 15 2025
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR OCTOBER 15 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 84 107 PM 90 1897 70 14 58
MINIMUM 62 612 AM 30 1937 50 12 43
AVERAGE 73 60 13 51
PRECIPITATION (IN)
TODAY 0.00 1.29 1914 0.11 -0.11 T
MONTH TO DATE T 1.41 -1.41 T
SINCE SEP 1 0.74 4.37 -3.63 5.75
SINCE JAN 1 32.83 34.04 -1.21 37.43
SNOWFALL (IN)
TODAY 0.0 T 1954 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 7 -7 14
MONTH TO DATE 9 74 -65 33
SINCE SEP 1 13 106 -93 36
SINCE JUL 1 13 107 -94 36
COOLING
TODAY 8 1 7 0
MONTH TO DATE 94 35 59 46
SINCE SEP 1 363 247 116 314
SINCE JAN 1 1884 1697 187 2022
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WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 4.1
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 400 AM
LOWEST 38 100 PM
AVERAGE 58
......................................................
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 89 1950
MINIMUM TEMPERATURE (F) 49 32 1943
SUNRISE AND SUNSET
OCTOBER 15 2025.......SUNRISE 711 AM CDT SUNSET 623 PM CDT
OCTOBER 16 2025.......SUNRISE 712 AM CDT SUNSET 621 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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