650  
CDUS45 KCYS 130029  
CLICYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
629 PM MDT SAT SEP 12 2026  
   
...............................
 
 
...THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 12 2026...  
VALID TODAY AS OF 0600 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1871 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 69 MM 89 2017 75 -6 78  
MINIMUM 45 MM 22 1902 47 -2 57  
AVERAGE 57 61 -4 68  
 
PRECIPITATION (IN)  
TODAY 0.15 0.86 1912 0.05 0.10 T  
MONTH TO DATE 0.17 0.61 -0.44 0.26  
SINCE SEP 1 0.17 0.61 -0.44 0.26  
SINCE JAN 1 9.20 12.46 -3.26 13.21  
 
SNOWFALL (IN)  
TODAY 0.0 2.5 1989 0.1 -0.1 0.0  
MONTH TO DATE 0.0 0.2 -0.2 0.0  
SINCE SEP 1 0.0 0.2 -0.2 0.0  
SINCE JUL 1 0.0 0.2 -0.2 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 8 5 3 0  
MONTH TO DATE 9 44 -35 25  
SINCE SEP 1 9 44 -35 25  
SINCE JUL 1 16 94 -78 46  
 
COOLING  
TODAY 0 1 -1 3  
MONTH TO DATE 53 22 31 15  
SINCE SEP 1 53 22 31 15  
SINCE JAN 1 602 387 215 382    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 10.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
LIGHT RAIN  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 600 AM  
LOWEST 46 1200 PM  
AVERAGE 61  
   
......................................................
 
 
THE CHEYENNE WYOMING AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 90 1895  
MINIMUM TEMPERATURE (F) 47 29 1993  
 
SUNRISE AND SUNSET  
SEPTEMBER 12 2026.....SUNRISE 637 AM MDT SUNSET 713 PM MDT  
SEPTEMBER 13 2026.....SUNRISE 638 AM MDT SUNSET 712 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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