463  
CDUS45 KTFX 150741  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
141 AM MDT WED OCT 15 2025  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR OCTOBER 14 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 39 229 PM 82 1958 57 -18 80  
MINIMUM 30 631 AM 10 1969 32 -2 40  
AVERAGE 35 44 -9 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.92 1962 0.04 -0.04 0.00  
MONTH TO DATE 0.81 0.65 0.16 0.00  
SINCE OCT 1 0.81 0.65 0.16 0.00  
SINCE JAN 1 15.28 15.37 -0.09 18.51  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 30 21 9 5  
MONTH TO DATE 243 252 -9 150  
SINCE SEP 1 376 541 -165 291  
SINCE JUL 1 450 687 -237 396  
 
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 13 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 5.2  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 600 AM  
LOWEST 75 1200 PM  
AVERAGE 86  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 56 87 1924  
MINIMUM TEMPERATURE (F) 31 14 1976  
 
SUNRISE AND SUNSET  
OCTOBER 15 2025.......SUNRISE 737 AM MDT SUNSET 630 PM MDT  
OCTOBER 16 2025.......SUNRISE 738 AM MDT SUNSET 628 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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