537
CDUS43 KLSX 182130
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
430 PM CDT SAT APR 18 2026
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR APRIL 18 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 62 227 AM 93 2002 69 -7 80
MINIMUM 48 610 AM 29 1953 48 0 62
AVERAGE 55 58 -3 71
PRECIPITATION (IN)
TODAY 0.58 2.48 2013 0.16 0.42 0.06
MONTH TO DATE 3.67 2.68 0.99 5.55
SINCE MAR 1 8.83 6.18 2.65 8.46
SINCE JAN 1 11.25 11.00 0.25 12.45
SNOWFALL (IN)
TODAY 0.0 2.0 1901 0.0 0.0 0.0
MONTH TO DATE 0.0 0.2 -0.2 0.0
SINCE MAR 1 T 2.5 -2.5 0.3
SINCE JUL 1 18.5 16.6 1.9 18.6
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 10 8 2 0
MONTH TO DATE 77 190 -113 176
SINCE MAR 1 445 766 -321 531
SINCE JUL 1 3745 4285 -540 3756
COOLING
TODAY 0 1 -1 6
MONTH TO DATE 68 18 50 17
SINCE MAR 1 119 25 94 39
SINCE JAN 1 119 26 93 39
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 12.2
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1200 AM
LOWEST 38 300 PM
AVERAGE 66
......................................................
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 88 1948
2011
2017
MINIMUM TEMPERATURE (F) 48 26 1983
SUNRISE AND SUNSET
APRIL 18 2026.........SUNRISE 621 AM CDT SUNSET 741 PM CDT
APRIL 19 2026.........SUNRISE 619 AM CDT SUNSET 742 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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