042  
CDUS45 KBOI 210936  
CLITWF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
336 AM MDT FRI AUG 21 2026  
   
...............................  
 
   
..THE TWIN FALLS ID CLIMATE SUMMARY FOR AUGUST 20 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 96R 238 PM 96 2009 86 10 89  
MINIMUM 63 601 AM 46 2021 55 8 68  
AVERAGE 80 70 10 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.10 2014 0.01 -0.01 T  
MONTH TO DATE 0.11 0.31 -0.20 T  
SINCE OCT 1 6.37 9.63 -3.26 6.34  
SINCE JAN 1 4.17 6.81 -2.64 3.55  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 75 120 -45 69  
SINCE JUL 1 1 10 -9 0  
 
COOLING  
YESTERDAY 15 6 9 14  
MONTH TO DATE 219 160 59 178  
SINCE JUN 1 736 493 243 647  
SINCE JAN 1 770 508 262 692    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 7.5  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 41 800 AM  
LOWEST 14 600 PM  
AVERAGE 28  
   
......................................................  
 
THE TWIN FALLS ID CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 99 2009  
MINIMUM TEMPERATURE (F) 55 49 2002  
 
SUNRISE AND SUNSET  
AUGUST 21 2026........SUNRISE 651 AM MDT SUNSET 830 PM MDT  
AUGUST 22 2026........SUNRISE 653 AM MDT SUNSET 828 PM MDT  
 
- 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