789  
CDUS45 KTFX 062341  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
441 PM MST SAT DEC 06 2025  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR DECEMBER 6 2025
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1896 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 33 507 AM 64 1939 36 -3 56  
MINIMUM 19 359 PM -27 2013 15 4 30  
AVERAGE 26 26 0 43  
 
PRECIPITATION (IN)  
TODAY 0.08 0.60 1901 0.01 0.07 0.00  
MONTH TO DATE 0.47 0.09 0.38 0.00  
SINCE OCT 1 2.03 2.03 0.00 0.91  
SINCE JAN 1 16.50 16.75 -0.25 19.42  
 
DEGREE DAYS  
HEATING  
TODAY 39 39 0 22  
MONTH TO DATE 234 231 3 178  
SINCE DEC 1 234 231 3 178  
SINCE JUL 1 1873 2322 -449 1869  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 163 229 -66 298    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 5.3  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
SNOW  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100  
LOWEST 88  
AVERAGE 94  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 64 1939  
MINIMUM TEMPERATURE (F) 15 -32 1972  
 
SUNRISE AND SUNSET  
DECEMBER 6 2025......SUNRISE 749 AM MST SUNSET 429 PM MST  
DECEMBER 7 2025......SUNRISE 750 AM MST SUNSET 429 PM MST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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