207
CDUS43 KLSX 202133
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
433 PM CDT THU AUG 20 2026
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR AUGUST 20 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 85 259 PM 104 1962 88 -3 86
MINIMUM 73 603 AM 52 1950 69 4 72
AVERAGE 79 78 1 79
PRECIPITATION (IN)
TODAY 0.00 6.85 1915 0.11 -0.11 T
MONTH TO DATE 3.62 2.28 1.34 1.48
SINCE JUN 1 17.57 10.70 6.87 10.44
SINCE JAN 1 36.24 28.57 7.67 32.09
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 14 14 0 14
MONTH TO DATE 316 292 24 322
SINCE JUN 1 1149 1119 30 1275
SINCE JAN 1 1421 1314 107 1446
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 5.7
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 500 AM
LOWEST 59 200 PM
AVERAGE 78
......................................................
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 104 2003
MINIMUM TEMPERATURE (F) 69 50 1940
1950
SUNRISE AND SUNSET
AUGUST 20 2026........SUNRISE 620 AM CDT SUNSET 749 PM CDT
AUGUST 21 2026........SUNRISE 621 AM CDT SUNSET 748 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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