482  
CDUS45 KTFX 122240  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
440 PM MDT SAT JUL 12 2025  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR JULY 12 2025
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 87 259 PM 99 2002 81 6 85  
MINIMUM 46 309 AM 36 2008 50 -4 56  
AVERAGE 67 66 1 71  
 
PRECIPITATION (IN)  
TODAY 0.00 0.78 1943 0.07 -0.07 0.00  
MONTH TO DATE 0.18 0.80 -0.62 0.51  
SINCE OCT 1 10.17 13.13 -2.96 13.78  
SINCE JAN 1 8.80 10.68 -1.88 11.32  
 
DEGREE DAYS  
HEATING  
TODAY 0 2 -2 0  
MONTH TO DATE 15 39 -24 48  
SINCE JUN 1 209 265 -56 291  
SINCE JUL 1 15 39 -24 48  
 
COOLING  
TODAY 2 3 -1 6  
MONTH TO DATE 39 28 11 33  
SINCE JUN 1 42 45 -3 43  
SINCE JAN 1 45 46 -1 43    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 10.0  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74  
LOWEST 19  
AVERAGE 47  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 101 2002  
MINIMUM TEMPERATURE (F) 51 37 1909  
 
SUNRISE AND SUNSET  
JULY 12 2025..........SUNRISE 535 AM MDT SUNSET 911 PM MDT  
JULY 13 2025..........SUNRISE 536 AM MDT SUNSET 911 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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