435  
CDUS45 KTFX 302240  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
440 PM MDT WED APR 30 2025  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR APRIL 30 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 56 255 PM 83 1926 57 -1 48  
MINIMUM 40 527 AM 5 1909 32 8 27  
AVERAGE 48 44 4 38  
 
PRECIPITATION (IN)  
TODAY T 0.52 1951 0.06 -0.06 0.00  
MONTH TO DATE 1.19 1.71 -0.52 2.55  
SINCE OCT 1 4.17 6.10 -1.93 6.62  
SINCE JAN 1 2.80 3.65 -0.85 4.16  
 
DEGREE DAYS  
HEATING  
TODAY 17 20 -3 27  
MONTH TO DATE 709 722 -13 670  
SINCE MAR 1 1566 1719 -153 1723  
SINCE JUL 1 7128 7485 -357 6955  
 
COOLING  
TODAY 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 17 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 9.4  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86  
LOWEST 40  
AVERAGE 63  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 82 2000  
MINIMUM TEMPERATURE (F) 32 13 2013  
 
SUNRISE AND SUNSET  
APRIL 30 2025.........SUNRISE 603 AM MDT SUNSET 828 PM MDT  
MAY 1 2025...........SUNRISE 602 AM MDT SUNSET 829 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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