595
CDUS43 KLSX 162231
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
531 PM CDT TUE SEP 16 2025
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 16 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 92 358 PM 98 1927 81 11 88
1954
MINIMUM 68 531 AM 44 1966 61 7 68
AVERAGE 80 71 9 78
PRECIPITATION (IN)
TODAY 0.00 2.78 1969 0.09 -0.09 0.00
MONTH TO DATE 0.17 1.67 -1.50 0.08
SINCE SEP 1 0.17 1.67 -1.50 0.08
SINCE JAN 1 32.26 31.34 0.92 31.76
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 4 4 0 3
SINCE SEP 1 4 4 0 3
SINCE JUL 1 4 5 -1 3
COOLING
TODAY 15 7 8 13
MONTH TO DATE 141 142 -1 134
SINCE SEP 1 141 142 -1 134
SINCE JAN 1 1662 1592 70 1842
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 4.7
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 500 AM
LOWEST 28 300 PM
AVERAGE 56
......................................................
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 97 1931
MINIMUM TEMPERATURE (F) 60 37 1937
SUNRISE AND SUNSET
SEPTEMBER 16 2025.....SUNRISE 644 AM CDT SUNSET 708 PM CDT
SEPTEMBER 17 2025.....SUNRISE 645 AM CDT SUNSET 706 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page