780  
CDUS43 KDMX 102329  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
529 PM CST WED DEC 10 2025  
   
...............................  
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR DECEMBER 10 2025  
 
VALID TODAY AS OF 0520 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1895 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 39 1230 AM 60 2020 36 3 33  
MINIMUM 22 459 PM -29 1919 19 3 22  
AVERAGE 31 27 4 28  
 
PRECIPITATION (IN)  
TODAY 0.01 1.28 1964 0.05 -0.04 T  
MONTH TO DATE 0.27 0.51 -0.24 0.03  
SINCE DEC 1 0.27 0.51 -0.24 0.03  
SINCE JAN 1 35.15 35.36 -0.21 39.53  
 
SNOWFALL (IN)  
TODAY T 3.5 1909 0.3 -0.3 T  
MONTH TO DATE 3.2 2.8 0.4 0.7  
SINCE DEC 1 3.2 2.8 0.4 0.7  
SINCE JUL 1 17.7 6.2 11.5 0.9  
SNOW DEPTH 5  
 
DEGREE DAYS  
HEATING  
TODAY 34 38 -4 37  
MONTH TO DATE 478 362 116 368  
SINCE DEC 1 478 362 116 368  
SINCE JUL 1 1651 1740 -89 1390  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 985 916 69 996    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 37 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 48 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 21.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT SNOW  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 600 AM  
LOWEST 75 200 AM  
AVERAGE 84  
   
......................................................  
 
THE WATERLOO IA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 61 1965  
MINIMUM TEMPERATURE (F) 18 -18 1976  
 
SUNRISE AND SUNSET  
DECEMBER 10 2025......SUNRISE 729 AM CST SUNSET 436 PM CST  
DECEMBER 11 2025......SUNRISE 730 AM CST SUNSET 436 PM CST  
 
- 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.
The Nexlab IA Page
Main Text Page