960  
CDUS45 KBOI 201637  
CLITWF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
1037 AM MDT SAT SEP 20 2025  
   
...............................
 
 
   
..THE TWIN FALLS ID CLIMATE SUMMARY FOR SEPTEMBER 20 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 75 859 AM 86 2013 75 77  
2022  
MINIMUM 56 300 AM 35 2013 46 50  
AVERAGE 66 60 64  
 
PRECIPITATION (IN)  
TODAY 0.00 0.17 2017 0.02 0.00  
MONTH TO DATE T 0.31 0.23  
SINCE OCT 1 6.82 10.06 8.04  
SINCE JAN 1 4.03 7.24 5.59  
   
.......................................................
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 55 300 AM  
   
......................................................
 
 
THE TWIN FALLS ID CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 86 2012  
MINIMUM TEMPERATURE (F) 46 32 2021  
 
SUNRISE AND SUNSET  
SEPTEMBER 20 2025.....SUNRISE 724 AM MDT SUNSET 738 PM MDT  
SEPTEMBER 21 2025.....SUNRISE 725 AM MDT SUNSET 736 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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