174  
CDUS45 KBOI 160226  
CLITWF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
726 PM MST MON DEC 15 2025  
   
...............................
 
 
   
..THE TWIN FALLS ID CLIMATE SUMMARY FOR DECEMBER 15 2025
 
 
VALID TODAY AS OF 0700 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1997 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 52 353 PM 56 2006 36 16 40  
MINIMUM 25 751 AM 2 2005 20 5 24  
AVERAGE 39 28 11 32  
 
PRECIPITATION (IN)  
TODAY 0.00 0.46 2009 0.04 -0.04 0.01  
MONTH TO DATE 0.15 0.60 -0.45 0.36  
SINCE OCT 1 1.37 2.19 -0.82 1.14  
SINCE JAN 1 5.89 9.65 -3.76 6.73  
 
DEGREE DAYS  
HEATING  
TODAY 26 37 -11 33  
MONTH TO DATE 348 538 -190 490  
SINCE DEC 1 348 538 -190 490  
SINCE JUL 1 1515 2056 -541 1758  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 832 616 216 843    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 5.6  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 68 800 AM  
LOWEST 36 400 PM  
AVERAGE 52  
   
......................................................
 
 
THE TWIN FALLS ID CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 49 2002  
MINIMUM TEMPERATURE (F) 20 1 2005  
 
SUNRISE AND SUNSET  
DECEMBER 15 2025......SUNRISE 801 AM MST SUNSET 506 PM MST  
DECEMBER 16 2025......SUNRISE 801 AM MST SUNSET 506 PM MST  
 
- 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 ID Page
The Nexlab OR Page Main Text Page