090
CDUS43 KLSX 210728
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
228 AM CDT MON SEP 21 2026
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 20 2026
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)
YESTERDAY
MAXIMUM 92 412 PM 97 2017 80 12 84
2022
MINIMUM 70 1159 PM 40 1875 59 11 67
AVERAGE 81 70 11 76
PRECIPITATION (IN)
YESTERDAY 0.73 1.40 1876 0.09 0.64 0.06
MONTH TO DATE 0.98 2.04 -1.06 0.23
SINCE SEP 1 0.98 2.04 -1.06 0.23
SINCE JAN 1 37.24 31.71 5.53 32.32
SNOWFALL (IN)
YESTERDAY 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
YESTERDAY 0 1 -1 0
MONTH TO DATE 0 8 -8 4
SINCE SEP 1 0 8 -8 4
SINCE JUL 1 0 9 -9 4
COOLING
YESTERDAY 16 6 10 11
MONTH TO DATE 377 167 210 191
SINCE SEP 1 377 167 210 191
SINCE JAN 1 1945 1617 328 1712
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 6.7
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1100 PM
LOWEST 40 400 PM
AVERAGE 67
......................................................
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 97 1881
MINIMUM TEMPERATURE (F) 59 40 1983
SUNRISE AND SUNSET
SEPTEMBER 21 2026.....SUNRISE 648 AM CDT SUNSET 700 PM CDT
SEPTEMBER 22 2026.....SUNRISE 649 AM CDT SUNSET 658 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