367
CDUS43 KLSX 102227
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
527 PM CDT WED SEP 10 2025
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 10 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 89 320 PM 98 1933 83 6 85
1983
2013
MINIMUM 62 534 AM 46 1976 63 -1 54
AVERAGE 76 73 3 70
PRECIPITATION (IN)
TODAY 0.00 2.89 1984 0.10 -0.10 0.00
MONTH TO DATE 0.17 1.05 -0.88 0.00
SINCE SEP 1 0.17 1.05 -0.88 0.00
SINCE JAN 1 32.26 30.72 1.54 31.68
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 0 0 0
MONTH TO DATE 4 0 4 3
SINCE SEP 1 4 0 4 3
SINCE JUL 1 4 1 3 3
COOLING
TODAY 11 8 3 5
MONTH TO DATE 43 97 -54 67
SINCE SEP 1 43 97 -54 67
SINCE JAN 1 1564 1547 17 1775
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 5.0
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 75 500 AM
LOWEST 26 200 PM
AVERAGE 51
......................................................
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 98 2013
MINIMUM TEMPERATURE (F) 63 42 1940
SUNRISE AND SUNSET
SEPTEMBER 10 2025.....SUNRISE 639 AM CDT SUNSET 717 PM CDT
SEPTEMBER 11 2025.....SUNRISE 640 AM CDT SUNSET 716 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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