045  
CDUS45 KBOI 171631  
CLITWF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
1031 AM MDT WED SEP 17 2025  
   
...............................
 
 
   
..THE TWIN FALLS ID CLIMATE SUMMARY FOR SEPTEMBER 17 2025
 
 
VALID AS OF 1000 AM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1997 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL LAST  
VALUE (LST) VALUE VALUE YEAR    
.......................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 64 859 AM 92 1998 76 65  
MINIMUM 48 1202 AM 30 2017 47 44  
AVERAGE 56 61 55  
 
PRECIPITATION (IN)  
TODAY 0.00 0.14 2002 0.02 0.01  
MONTH TO DATE T 0.25 0.23  
SINCE OCT 1 6.82 10.00 8.04  
SINCE JAN 1 4.03 7.18 5.59  
   
.......................................................
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 66 300 AM  
   
......................................................
 
 
THE TWIN FALLS ID CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 87 2009  
MINIMUM TEMPERATURE (F) 46 31 2003  
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2025.....SUNRISE 720 AM MDT SUNSET 743 PM MDT  
SEPTEMBER 18 2025.....SUNRISE 721 AM MDT SUNSET 742 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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