782
CDUS43 KLSX 152231
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
531 PM CDT TUE SEP 15 2026
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 15 2026
VALID AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 98 356 PM 101 1939 81 17 92
MINIMUM 76 611 AM 45 1961 61 15 72
2007
AVERAGE 87 71 16 82
PRECIPITATION (IN)
TODAY 0.00 2.05 1914 0.10 -0.10 0.00
MONTH TO DATE 0.25 1.58 -1.33 0.17
SINCE SEP 1 0.25 1.58 -1.33 0.17
SINCE JAN 1 36.51 31.25 5.26 32.26
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 1 -1 0
MONTH TO DATE 0 3 -3 4
SINCE SEP 1 0 3 -3 4
SINCE JUL 1 0 4 -4 4
COOLING
TODAY 22 7 15 17
MONTH TO DATE 272 135 137 126
SINCE SEP 1 272 135 137 126
SINCE JAN 1 1840 1585 255 1647
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 10.4
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 74 500 AM
LOWEST 38 300 PM
AVERAGE 56
......................................................
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 98 1927
1954
MINIMUM TEMPERATURE (F) 61 44 1966
SUNRISE AND SUNSET
SEPTEMBER 15 2026.....SUNRISE 643 AM CDT SUNSET 710 PM CDT
SEPTEMBER 16 2026.....SUNRISE 644 AM CDT SUNSET 708 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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