440  
CDUS45 KTFX 220749  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
149 AM MDT TUE APR 22 2025  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR APRIL 21 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 54 142 PM 82 1906 54 0 65  
MINIMUM 27 1153 PM 0 2008 30 -3 25  
AVERAGE 41 42 -1 45  
 
PRECIPITATION (IN)  
YESTERDAY T 0.70 1904 0.06 -0.06 0.00  
MONTH TO DATE 1.09 1.14 -0.05 2.32  
SINCE OCT 1 4.07 5.53 -1.46 6.39  
SINCE JAN 1 2.70 3.08 -0.38 3.93  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 24 23 1 20  
MONTH TO DATE 525 528 -3 503  
SINCE MAR 1 1382 1525 -143 1556  
SINCE JUL 1 6944 7291 -347 6788  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 9.3  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 100 AM  
LOWEST 25 100 PM  
AVERAGE 61  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 55 86 1906  
MINIMUM TEMPERATURE (F) 30 1 1967  
 
SUNRISE AND SUNSET  
APRIL 22 2025.........SUNRISE 617 AM MDT SUNSET 817 PM MDT  
APRIL 23 2025.........SUNRISE 615 AM MDT SUNSET 818 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