645
CDUS43 KLSX 172235
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
535 PM CDT TUE MAR 17 2026
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR MARCH 17 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 34 245 PM 83 2011 57 -23 69
MINIMUM 15 647 AM 10 1900 37 -22 30
AVERAGE 25 47 -22 50
PRECIPITATION (IN)
TODAY 0.00 1.34 2012 0.12 -0.12 0.00
MONTH TO DATE 4.82 1.74 3.08 0.73
SINCE MAR 1 4.82 1.74 3.08 0.73
SINCE JAN 1 7.24 6.56 0.68 4.72
SNOWFALL (IN)
TODAY MM 2.5 1949 0.0 MM 0.0
MONTH TO DATE T 1.6 -1.6 0.3
SINCE MAR 1 T 1.6 -1.6 0.3
SINCE JUL 1 18.5 15.7 2.8 18.6
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 40 18 22 15
MONTH TO DATE 272 356 -84 229
SINCE MAR 1 272 356 -84 229
SINCE JUL 1 3572 3875 -303 3454
COOLING
TODAY 0 0 0 0
MONTH TO DATE 13 0 13 9
SINCE MAR 1 13 0 13 9
SINCE JAN 1 13 1 12 9
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 9.4
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 61 700 AM
LOWEST 25 400 PM
AVERAGE 43
......................................................
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 84 2025
MINIMUM TEMPERATURE (F) 37 6 1923
SUNRISE AND SUNSET
MARCH 17 2026.........SUNRISE 710 AM CDT SUNSET 711 PM CDT
MARCH 18 2026.........SUNRISE 708 AM CDT SUNSET 712 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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