592  
CDUS45 KTFX 120751  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
151 AM MDT SUN OCT 12 2025  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR OCTOBER 11 2025
 
 
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)  
YESTERDAY  
MAXIMUM 71 1103 AM 90 1934 58 13 66  
MINIMUM 43 1147 PM 10 2019 33 10 43  
AVERAGE 57 46 11 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.34 0.36 1924 0.05 0.29 0.00  
MONTH TO DATE 0.79 0.52 0.27 0.00  
SINCE OCT 1 0.79 0.52 0.27 0.00  
SINCE JAN 1 15.26 15.24 0.02 18.51  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 20 -12 10  
MONTH TO DATE 151 191 -40 117  
SINCE SEP 1 284 480 -196 258  
SINCE JUL 1 358 626 -268 363  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 11 18 -7 46  
SINCE JAN 1 163 228 -65 298    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 7.9  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 700 PM  
LOWEST 39 1100 AM  
AVERAGE 68  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 87 1934  
MINIMUM TEMPERATURE (F) 32 7 2009  
 
SUNRISE AND SUNSET  
OCTOBER 12 2025.......SUNRISE 732 AM MDT SUNSET 635 PM MDT  
OCTOBER 13 2025.......SUNRISE 734 AM MDT SUNSET 633 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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