715
CDUS43 KLSX 202227
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
527 PM CDT MON APR 20 2026
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR APRIL 20 2026
VALID AS OF 0500 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 66 359 PM 89 1987 70 -4 78
MINIMUM 42 537 AM 28 1904 49 -7 55
AVERAGE 54 59 -5 67
PRECIPITATION (IN)
TODAY 0.00 1.84 1966 0.17 -0.17 1.82
MONTH TO DATE 3.67 3.02 0.65 8.70
SINCE MAR 1 8.83 6.52 2.31 11.61
SINCE JAN 1 11.25 11.34 -0.09 15.60
SNOWFALL (IN)
TODAY 0.0 5.5 1904 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 11 7 4 0
MONTH TO DATE 99 205 -106 181
SINCE MAR 1 467 781 -314 536
SINCE JUL 1 3767 4300 -533 3761
COOLING
TODAY 0 1 -1 2
MONTH TO DATE 68 20 48 19
SINCE MAR 1 119 27 92 41
SINCE JAN 1 119 28 91 41
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 7.5
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 62 600 AM
LOWEST 35 900 AM
AVERAGE 49
......................................................
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 89 1902
1965
MINIMUM TEMPERATURE (F) 49 30 2021
SUNRISE AND SUNSET
APRIL 20 2026.........SUNRISE 618 AM CDT SUNSET 743 PM CDT
APRIL 21 2026.........SUNRISE 617 AM CDT SUNSET 744 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page