691
CDUS43 KLSX 272235
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
535 PM CDT SAT SEP 27 2025
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 27 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 85 358 PM 92 2019 77 8 71
2021
MINIMUM 57 616 AM 36 1940 57 0 63
AVERAGE 71 67 4 67
PRECIPITATION (IN)
TODAY 0.00 1.62 2023 0.09 -0.09 0.89
MONTH TO DATE 0.74 2.69 -1.95 5.75
SINCE SEP 1 0.74 2.69 -1.95 5.75
SINCE JAN 1 32.83 32.36 0.47 37.43
SNOWFALL (IN)
TODAY 0.0 0.0 2015 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 2 -2 0
MONTH TO DATE 4 21 -17 3
SINCE SEP 1 4 21 -17 3
SINCE JUL 1 4 22 -18 3
COOLING
TODAY 6 4 2 2
MONTH TO DATE 241 201 40 242
SINCE SEP 1 241 201 40 242
SINCE JAN 1 1762 1651 111 1950
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 1.7
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 500 AM
LOWEST 30 400 PM
AVERAGE 59
......................................................
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 97 1953
MINIMUM TEMPERATURE (F) 56 32 1942
SUNRISE AND SUNSET
SEPTEMBER 27 2025.....SUNRISE 654 AM CDT SUNSET 650 PM CDT
SEPTEMBER 28 2025.....SUNRISE 655 AM CDT SUNSET 648 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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