027  
CDUS45 KBYZ 152239  
CLISHR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
439 PM MDT FRI MAY 15 2026  
   
...............................  
 
   
..THE SHERIDAN WY CLIMATE SUMMARY FOR MAY 15 2026  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1907 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 69 259 PM 92 1987 66 3 56  
MINIMUM 34 415 AM 27 1909 39 -5 43  
1974  
1983  
AVERAGE 52 52 0 50  
 
PRECIPITATION (IN)  
TODAY 0.00 1.48 1952 0.09 -0.09 0.13  
MONTH TO DATE 0.36 1.26 -0.90 1.91  
SINCE OCT 1 8.23 8.28 -0.05 10.63  
SINCE JAN 1 4.14 5.41 -1.27 8.84  
 
DEGREE DAYS  
HEATING  
TODAY 13 13 0 15  
MONTH TO DATE 209 233 -24 160  
SINCE MAR 1 1534 1795 -261 1575  
SINCE JUL 1 5849 7243 -1394 6603  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 5  
SINCE MAR 1 0 0 0 5  
SINCE JAN 1 0 0 0 5    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 6.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 68 600 AM  
LOWEST 27 1200 PM  
AVERAGE 48  
   
......................................................  
 
THE SHERIDAN WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 89 1934  
MINIMUM TEMPERATURE (F) 39 26 1923  
1974  
 
SUNRISE AND SUNSET  
MAY 15 2026...........SUNRISE 539 AM MDT SUNSET 830 PM MDT  
MAY 16 2026...........SUNRISE 538 AM MDT SUNSET 831 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 MT Page
The Nexlab WY Page
Main Text Page