800
CDUS43 KLSX 180018
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
618 PM CST SAT JAN 17 2026
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR JANUARY 17 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 26 1211 AM 72 1894 40 -14 56
MINIMUM 19 359 PM -14 1930 23 -4 26
AVERAGE 23 32 -9 41
PRECIPITATION (IN)
TODAY 0.01 1.02 2004 0.08 -0.07 T
MONTH TO DATE 0.29 1.53 -1.24 2.14
SINCE DEC 1 1.03 4.03 -3.00 5.02
SINCE JAN 1 0.29 1.53 -1.24 2.14
SNOWFALL (IN)
TODAY T 2.3 1960 0.2 -0.2 0.0
MONTH TO DATE T 3.3 -3.3 10.6
SINCE DEC 1 3.8 6.5 -2.7 11.0
SINCE JUL 1 10.2 7.4 2.8 14.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 42 33 9 24
MONTH TO DATE 426 557 -131 619
SINCE DEC 1 1313 1441 -128 1366
SINCE JUL 1 1975 2263 -288 1900
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 12.0
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 1000 AM
LOWEST 41 400 AM
AVERAGE 63
......................................................
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 40 72 1880
MINIMUM TEMPERATURE (F) 23 -19 1930
SUNRISE AND SUNSET
JANUARY 17 2026.......SUNRISE 717 AM CST SUNSET 506 PM CST
JANUARY 18 2026.......SUNRISE 717 AM CST SUNSET 507 PM CST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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