646
CDUS43 KLSX 162234
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
534 PM CDT WED SEP 16 2026
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 16 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 94 239 PM 98 1927 81 13 92
1954
MINIMUM 75 619 AM 44 1966 61 14 68
AVERAGE 85 71 14 80
PRECIPITATION (IN)
TODAY 0.00 2.78 1969 0.09 -0.09 0.00
MONTH TO DATE 0.25 1.67 -1.42 0.17
SINCE SEP 1 0.25 1.67 -1.42 0.17
SINCE JAN 1 36.51 31.34 5.17 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 4 -4 4
SINCE SEP 1 0 4 -4 4
SINCE JUL 1 0 5 -5 4
COOLING
TODAY 20 7 13 15
MONTH TO DATE 292 142 150 141
SINCE SEP 1 292 142 150 141
SINCE JAN 1 1860 1592 268 1662
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 6.5
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88 300 AM
LOWEST 51 200 PM
AVERAGE 70
......................................................
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 2026.....SUNRISE 644 AM CDT SUNSET 708 PM CDT
SEPTEMBER 17 2026.....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.
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