815
CDUS43 KLSX 152136
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
436 PM CDT FRI MAY 15 2026
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR MAY 15 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 83 300 PM 94 1944 77 6 88
MINIMUM 61 MM 39 1959 58 3 69
AVERAGE 72 67 5 79
PRECIPITATION (IN)
TODAY MM 1.91 1990 0.15 MM T
MONTH TO DATE 1.03 2.44 -1.41 1.28
SINCE MAR 1 13.07 10.67 2.40 15.04
SINCE JAN 1 15.49 15.49 0.00 19.03
SNOWFALL (IN)
TODAY MM 0.0 2015 0.0 MM 0.0
MONTH TO DATE 0.0 0.0 0.0 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 MM
DEGREE DAYS
HEATING
TODAY 0 2 -2 0
MONTH TO DATE 68 49 19 45
SINCE MAR 1 562 887 -325 597
SINCE JUL 1 3862 4406 -544 3822
COOLING
TODAY 7 5 2 14
MONTH TO DATE 22 50 -28 45
SINCE MAR 1 164 94 70 111
SINCE JAN 1 164 95 69 111
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 12.4
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
RELATIVE HUMIDITY (PERCENT)
HIGHEST 52 800 AM
LOWEST 43 100 AM
AVERAGE 48
......................................................
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 93 2001
MINIMUM TEMPERATURE (F) 58 39 1875
SUNRISE AND SUNSET
MAY 15 2026...........SUNRISE 549 AM CDT SUNSET 807 PM CDT
MAY 16 2026...........SUNRISE 548 AM CDT SUNSET 808 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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