403
CDUS43 KLSX 202237
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
437 PM CST THU NOV 20 2025
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR NOVEMBER 20 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 54 242 PM 76 1942 53 1 56
MINIMUM 48 507 AM 14 1914 36 12 44
AVERAGE 51 44 7 50
PRECIPITATION (IN)
TODAY T 1.64 1956 0.11 -0.11 T
MONTH TO DATE 0.32 2.37 -2.05 9.27
SINCE SEP 1 4.26 8.48 -4.22 15.84
SINCE JAN 1 36.35 38.15 -1.80 47.52
SNOWFALL (IN)
TODAY MM 3.3 1926 0.0 MM 0.0
MONTH TO DATE T 0.4 -0.4 0.0
SINCE SEP 1 T 0.4 -0.4 0.0
SINCE JUL 1 T 0.4 -0.4 0.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 14 20 -6 15
MONTH TO DATE 273 333 -60 186
SINCE SEP 1 430 594 -164 301
SINCE JUL 1 430 595 -165 301
COOLING
TODAY 0 0 0 0
MONTH TO DATE 3 0 3 6
SINCE SEP 1 383 260 123 349
SINCE JAN 1 1904 1710 194 2057
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (120)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 7.1
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 900 AM
LOWEST 86 200 PM
AVERAGE 92
......................................................
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 53 75 1913
1990
MINIMUM TEMPERATURE (F) 35 9 1880
SUNRISE AND SUNSET
NOVEMBER 20 2025......SUNRISE 650 AM CST SUNSET 444 PM CST
NOVEMBER 21 2025......SUNRISE 651 AM CST SUNSET 444 PM CST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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