841  
CDUS45 KBOI 200129  
CLITWF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
729 PM MDT FRI SEP 19 2025  
   
...............................  
 
   
..THE TWIN FALLS ID CLIMATE SUMMARY FOR SEPTEMBER 19 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 82 357 PM 89 2009 75 7 74  
MINIMUM 50 354 AM 35 2005 46 4 43  
AVERAGE 66 61 5 59  
 
PRECIPITATION (IN)  
TODAY 0.00 0.31 2004 0.02 -0.02 0.00  
MONTH TO DATE T 0.29 -0.29 0.23  
SINCE OCT 1 6.82 10.04 -3.22 8.04  
SINCE JAN 1 4.03 7.22 -3.19 5.59  
 
DEGREE DAYS  
HEATING  
TODAY 0 6 -6 6  
MONTH TO DATE 17 68 -51 53  
SINCE SEP 1 17 68 -51 53  
SINCE JUL 1 17 95 -78 72  
 
COOLING  
TODAY 1 1 0 0  
MONTH TO DATE 52 45 7 57  
SINCE SEP 1 52 45 7 57  
SINCE JAN 1 817 605 212 821    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 7.6  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 61 700 AM  
LOWEST 21 400 PM  
AVERAGE 41  
   
......................................................  
 
THE TWIN FALLS ID CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 86 2013  
2022  
MINIMUM TEMPERATURE (F) 46 35 2013  
 
SUNRISE AND SUNSET  
SEPTEMBER 19 2025.....SUNRISE 722 AM MDT SUNSET 740 PM MDT  
SEPTEMBER 20 2025.....SUNRISE 724 AM MDT SUNSET 738 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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