346
CDUS43 KLSX 212125
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
425 PM CDT TUE APR 21 2026
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR APRIL 21 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 82 252 PM 89 1902 70 12 70
1965
MINIMUM 52 450 AM 30 2021 49 3 54
AVERAGE 67 60 7 62
PRECIPITATION (IN)
TODAY 0.00 1.75 1984 0.17 -0.17 T
MONTH TO DATE 3.67 3.19 0.48 8.70
SINCE MAR 1 8.83 6.69 2.14 11.61
SINCE JAN 1 11.25 11.51 -0.26 15.60
SNOWFALL (IN)
TODAY 0.0 T 1918 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 0 7 -7 3
MONTH TO DATE 99 212 -113 184
SINCE MAR 1 467 788 -321 539
SINCE JUL 1 3767 4307 -540 3764
COOLING
TODAY 2 1 1 0
MONTH TO DATE 70 21 49 19
SINCE MAR 1 121 28 93 41
SINCE JAN 1 121 29 92 41
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 12.4
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 67 100 AM
LOWEST 35 200 PM
AVERAGE 51
......................................................
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 91 1925
MINIMUM TEMPERATURE (F) 49 31 1875
1936
SUNRISE AND SUNSET
APRIL 21 2026.........SUNRISE 617 AM CDT SUNSET 744 PM CDT
APRIL 22 2026.........SUNRISE 615 AM CDT SUNSET 745 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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