375  
CDUS45 KTFX 040740  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
140 AM MDT SAT OCT 04 2025  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR OCTOBER 3 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 65 314 PM 87 1943 62 3 60  
MINIMUM 45 637 AM 17 1950 36 9 35  
AVERAGE 55 49 6 48  
 
PRECIPITATION (IN)  
YESTERDAY 0.07 1.09 2016 0.05 0.02 0.00  
MONTH TO DATE 0.12 0.15 -0.03 0.00  
SINCE OCT 1 0.12 0.15 -0.03 0.00  
SINCE JAN 1 14.59 14.87 -0.28 18.51  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 10 16 -6 17  
MONTH TO DATE 27 47 -20 41  
SINCE SEP 1 160 336 -176 182  
SINCE JUL 1 234 482 -248 287  
 
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 18 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 6.9  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 1000 PM  
LOWEST 45 300 PM  
AVERAGE 71  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 92 1905  
MINIMUM TEMPERATURE (F) 35 11 1916  
 
SUNRISE AND SUNSET  
OCTOBER 4 2025.......SUNRISE 721 AM MDT SUNSET 651 PM MDT  
OCTOBER 5 2025.......SUNRISE 723 AM MDT SUNSET 649 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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