397  
CDUS45 KTFX 280739  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
139 AM MDT MON JUL 28 2025  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR JULY 27 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 81 207 PM 100 1947 84 -3 81  
MINIMUM 50 448 AM 38 1913 52 -2 48  
AVERAGE 66 68 -2 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.35 0.88 1909 0.05 0.30 0.00  
MONTH TO DATE 2.31 1.58 0.73 0.51  
SINCE OCT 1 12.30 13.91 -1.61 13.78  
SINCE JAN 1 10.93 11.46 -0.53 11.32  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 50 61 -11 48  
SINCE JUN 1 244 287 -43 291  
SINCE JUL 1 50 61 -11 48  
 
COOLING  
YESTERDAY 1 4 -3 0  
MONTH TO DATE 69 85 -16 142  
SINCE JUN 1 72 102 -30 152  
SINCE JAN 1 75 103 -28 152    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 5.3  
 
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 90 1100 PM  
LOWEST 33 100 PM  
AVERAGE 62  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 99 1914  
MINIMUM TEMPERATURE (F) 52 35 1929  
 
SUNRISE AND SUNSET  
JULY 28 2025..........SUNRISE 553 AM MDT SUNSET 855 PM MDT  
JULY 29 2025..........SUNRISE 554 AM MDT SUNSET 854 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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