138  
CDUS45 KBYZ 101730  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
1130 AM MDT SUN MAY 10 2026  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR MAY 10 2026
 
 
VALID AS OF 1100 AM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1934 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 67 959 AM 87 2025 65 2 87  
MINIMUM 43 600 AM 25 1967 42 1 53  
AVERAGE 55 53 2 70  
 
PRECIPITATION (IN)  
TODAY 0.00 1.51 2011 0.08 -0.08 0.00  
MONTH TO DATE 0.06 0.61 -0.55 0.40  
SINCE OCT 1 6.28 6.89 -0.61 8.90  
SINCE JAN 1 2.40 4.35 -1.95 7.60  
 
SNOWFALL (IN)  
TODAY MM 5.7 1967 0.0 MM 0.0  
MONTH TO DATE T 0.5 -0.5 T  
SINCE MAR 1 16.6 16.2 0.4 16.2  
SINCE JUL 1 40.9 57.0 -16.1 64.2  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 10 12 -2 0  
MONTH TO DATE 101 135 -34 77  
SINCE MAR 1 1307 1551 -244 1296  
SINCE JUL 1 5131 6486 -1355 6059  
 
COOLING  
TODAY 0 0 0 5  
MONTH TO DATE 0 0 0 5  
SINCE MAR 1 2 1 1 5  
SINCE JAN 1 2 1 1 5    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 11.3  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 500 AM  
LOWEST 34 1000 AM  
AVERAGE 60  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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