493
CDUS43 KLSX 180727
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
227 AM CDT WED MAR 18 2026
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR MARCH 17 2026
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)
YESTERDAY
MAXIMUM 35 1042 PM 83 2011 57 -22 69
MINIMUM 15 647 AM 10 1900 37 -22 30
AVERAGE 25 47 -22 50
PRECIPITATION (IN)
YESTERDAY T 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)
YESTERDAY T 2.5 1949 0.0 0.0 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 0
DEGREE DAYS
HEATING
YESTERDAY 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
YESTERDAY 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 9.8
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
RELATIVE HUMIDITY (PERCENT)
HIGHEST 61 700 AM
LOWEST 25 400 PM
AVERAGE 43
......................................................
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 84 2025
MINIMUM TEMPERATURE (F) 37 6 1923
SUNRISE AND SUNSET
MARCH 18 2026.........SUNRISE 708 AM CDT SUNSET 712 PM CDT
MARCH 19 2026.........SUNRISE 706 AM CDT SUNSET 713 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