715
CDUS43 KLSX 152128
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
428 PM CDT SAT AUG 15 2026
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR AUGUST 15 2026
VALID TODAY AS OF 0400 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 90 259 PM 105 2007 89 1 98
MINIMUM 78 744 AM 51 1992 70 8 76
AVERAGE 84 79 5 87
PRECIPITATION (IN)
TODAY 0.00 4.31 1946 0.11 -0.11 0.00
MONTH TO DATE 2.15 1.74 0.41 0.31
SINCE JUN 1 16.10 10.16 5.94 9.27
SINCE JAN 1 34.77 28.03 6.74 30.92
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 JUN 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 0 0 0 0
SINCE JUN 1 0 4 -4 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 19 14 5 22
MONTH TO DATE 246 222 24 221
SINCE JUN 1 1079 1049 30 1174
SINCE JAN 1 1351 1244 107 1345
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 9.7
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 600 AM
LOWEST 63 400 AM
AVERAGE 73
......................................................
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 103 1936
MINIMUM TEMPERATURE (F) 70 56 1964
1992
SUNRISE AND SUNSET
AUGUST 15 2026........SUNRISE 616 AM CDT SUNSET 756 PM CDT
AUGUST 16 2026........SUNRISE 616 AM CDT SUNSET 754 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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