889  
CDUS45 KTFX 030735  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
135 AM MDT WED SEP 03 2025  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR SEPTEMBER 2 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 86 254 PM 96 1945 76 10 90  
MINIMUM 52 536 AM 29 1900 45 7 50  
AVERAGE 69 61 8 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.41 1953 0.04 -0.04 0.00  
MONTH TO DATE 0.00 0.09 -0.09 0.00  
SINCE OCT 1 14.89 15.87 -0.98 14.90  
SINCE JAN 1 13.52 13.42 0.10 12.44  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 6 -6 0  
MONTH TO DATE 0 12 -12 0  
SINCE SEP 1 0 12 -12 0  
SINCE JUL 1 74 158 -84 105  
 
COOLING  
YESTERDAY 4 1 3 5  
MONTH TO DATE 7 3 4 11  
SINCE SEP 1 7 3 4 11  
SINCE JAN 1 159 213 -54 263    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 6.3  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 600 AM  
LOWEST 21 300 PM  
AVERAGE 46  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 97 2022  
MINIMUM TEMPERATURE (F) 45 29 1929  
 
SUNRISE AND SUNSET  
SEPTEMBER 3 2025.....SUNRISE 640 AM MDT SUNSET 753 PM MDT  
SEPTEMBER 4 2025.....SUNRISE 642 AM MDT SUNSET 751 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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