495
CDUS43 KLSX 182229
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
529 PM CDT WED MAR 18 2026
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR MARCH 18 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 69 322 PM 84 2025 57 12 84
MINIMUM 34 1209 AM 6 1923 37 -3 53
AVERAGE 52 47 5 69
PRECIPITATION (IN)
TODAY T 2.46 2008 0.11 -0.11 0.00
MONTH TO DATE 4.82 1.85 2.97 0.73
SINCE MAR 1 4.82 1.85 2.97 0.73
SINCE JAN 1 7.24 6.67 0.57 4.72
SNOWFALL (IN)
TODAY T 0.4 1988 0.1 -0.1 0.0
MONTH TO DATE T 1.7 -1.7 0.3
SINCE MAR 1 T 1.7 -1.7 0.3
SINCE JUL 1 18.5 15.8 2.7 18.6
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 13 18 -5 0
MONTH TO DATE 285 374 -89 229
SINCE MAR 1 285 374 -89 229
SINCE JUL 1 3585 3893 -308 3454
COOLING
TODAY 0 0 0 4
MONTH TO DATE 13 0 13 13
SINCE MAR 1 13 0 13 13
SINCE JAN 1 13 1 12 13
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 10.0
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
LIGHT SNOW
RELATIVE HUMIDITY (PERCENT)
HIGHEST 56 500 AM
LOWEST 27 200 PM
AVERAGE 42
......................................................
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 58 84 1907
MINIMUM TEMPERATURE (F) 38 4 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.
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