519  
CDUS45 KTFX 190744  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
144 AM MDT SAT JUL 19 2025  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR JULY 18 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 79 510 PM 100 1955 83 -4 92  
MINIMUM 51 322 AM 36 1919 51 0 56  
AVERAGE 65 67 -2 74  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.60 1972 0.05 -0.05 T  
MONTH TO DATE 1.06 1.13 -0.07 0.51  
SINCE OCT 1 11.05 13.46 -2.41 13.78  
SINCE JAN 1 9.68 11.01 -1.33 11.32  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 41 51 -10 48  
SINCE JUN 1 235 277 -42 291  
SINCE JUL 1 41 51 -10 48  
 
COOLING  
YESTERDAY 0 4 -4 9  
MONTH TO DATE 52 49 3 78  
SINCE JUN 1 55 66 -11 88  
SINCE JAN 1 58 67 -9 88    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 7.1  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 300 AM  
LOWEST 36 400 PM  
AVERAGE 67  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 99 1960  
MINIMUM TEMPERATURE (F) 52 35 1897  
 
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.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab MT Page Main Text Page