262  
CDUS45 KBOI 090949  
CLITWF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
349 AM MDT WED SEP 09 2026  
   
...............................
 
 
   
..THE TWIN FALLS ID CLIMATE SUMMARY FOR SEPTEMBER 8 2026
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1997 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 73 449 PM 94 2021 80 -7 84  
MINIMUM 41 540 AM 34 1999 49 -8 48  
AVERAGE 57 65 -8 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.31 2019 0.01 -0.01 0.00  
MONTH TO DATE 0.05 0.10 -0.05 T  
SINCE OCT 1 6.46 9.85 -3.39 6.82  
SINCE JAN 1 4.26 7.03 -2.77 4.03  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 3 5 0  
MONTH TO DATE 32 20 12 0  
SINCE SEP 1 32 20 12 0  
SINCE JUL 1 37 47 -10 0  
 
COOLING  
YESTERDAY 0 3 -3 1  
MONTH TO DATE 11 27 -16 48  
SINCE SEP 1 11 27 -16 48  
SINCE JAN 1 874 587 287 813    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 7.7  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 67 500 AM  
LOWEST 25 600 PM  
AVERAGE 46  
   
......................................................
 
 
THE TWIN FALLS ID CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 93 2012  
2021  
MINIMUM TEMPERATURE (F) 49 30 2020  
 
SUNRISE AND SUNSET  
SEPTEMBER 9 2026.....SUNRISE 712 AM MDT SUNSET 758 PM MDT  
SEPTEMBER 10 2026.....SUNRISE 713 AM MDT SUNSET 756 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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