408
CDUS43 KLSX 152126
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
426 PM CDT FRI AUG 15 2025
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR AUGUST 15 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 98 242 PM 105 2007 89 9 94
MINIMUM 76 312 AM 51 1992 70 6 74
AVERAGE 87 79 8 84
PRECIPITATION (IN)
TODAY 0.00 4.31 1946 0.11 -0.11 0.45
MONTH TO DATE 0.31 1.74 -1.43 1.06
SINCE JUN 1 9.27 10.16 -0.89 10.57
SINCE JAN 1 30.92 28.03 2.89 31.36
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 22 14 8 19
MONTH TO DATE 221 222 -1 206
SINCE JUN 1 1174 1049 125 1137
SINCE JAN 1 1345 1244 101 1450
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 5.5
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 1200 AM
LOWEST 38 200 PM
AVERAGE 60
......................................................
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 2025........SUNRISE 616 AM CDT SUNSET 755 PM CDT
AUGUST 16 2025........SUNRISE 617 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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