805
CDUS43 KLSX 222136
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
436 PM CDT MON SEP 22 2025
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 22 2025
VALID TODAY AS OF 0400 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 80 259 PM 95 1956 79 1 83
2017
MINIMUM 67 724 AM 40 1974 59 8 70
1995
AVERAGE 74 69 5 77
PRECIPITATION (IN)
TODAY 0.09 1.98 2024 0.09 0.00 1.98
MONTH TO DATE 0.32 2.23 -1.91 2.06
SINCE SEP 1 0.32 2.23 -1.91 2.06
SINCE JAN 1 32.41 31.90 0.51 33.74
SNOWFALL (IN)
TODAY MM 0.0 2015 0.0 MM 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 MM
DEGREE DAYS
HEATING
TODAY 0 2 -2 0
MONTH TO DATE 4 11 -7 3
SINCE SEP 1 4 11 -7 3
SINCE JUL 1 4 12 -8 3
COOLING
TODAY 9 5 4 12
MONTH TO DATE 212 178 34 225
SINCE SEP 1 212 178 34 225
SINCE JAN 1 1733 1628 105 1933
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 6.3
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 300 AM
LOWEST 62 300 PM
AVERAGE 80
......................................................
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 94 1881
1891
MINIMUM TEMPERATURE (F) 58 36 1974
SUNRISE AND SUNSET
SEPTEMBER 22 2025.....SUNRISE 650 AM CDT SUNSET 658 PM CDT
SEPTEMBER 23 2025.....SUNRISE 650 AM CDT SUNSET 656 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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