036  
CDUS45 KTFX 192240  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
440 PM MDT SAT JUL 19 2025  
   
...............................  
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR JULY 19 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 81 126 PM 99 1960 83 -2 86  
MINIMUM 60 552 AM 35 1897 52 8 54  
AVERAGE 71 67 4 70  
 
PRECIPITATION (IN)  
TODAY T 0.83 1948 0.05 -0.05 0.00  
MONTH TO DATE 1.06 1.18 -0.12 0.51  
SINCE OCT 1 11.05 13.51 -2.46 13.78  
SINCE JAN 1 9.68 11.06 -1.38 11.32  
 
DEGREE DAYS  
HEATING  
TODAY 0 2 -2 0  
MONTH TO DATE 41 53 -12 48  
SINCE JUN 1 235 279 -44 291  
SINCE JUL 1 41 53 -12 48  
 
COOLING  
TODAY 6 4 2 5  
MONTH TO DATE 58 53 5 83  
SINCE JUN 1 61 70 -9 93  
SINCE JAN 1 64 71 -7 93    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 8.2  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78  
LOWEST 28  
AVERAGE 53  
   
......................................................  
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 96 1934  
2003  
MINIMUM TEMPERATURE (F) 52 36 1900  
 
SUNRISE AND SUNSET  
JULY 19 2025..........SUNRISE 542 AM MDT SUNSET 905 PM MDT  
JULY 20 2025..........SUNRISE 544 AM MDT SUNSET 904 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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