208  
CDUS45 KTFX 042240  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
440 PM MDT THU SEP 04 2025  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR SEPTEMBER 4 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 64 253 PM 93 1924 75 -11 83  
2007  
MINIMUM 52 256 AM 20 1929 45 7 50  
AVERAGE 58 60 -2 67  
 
PRECIPITATION (IN)  
TODAY 0.00 0.80 1901 0.05 -0.05 0.04  
MONTH TO DATE 0.00 0.19 -0.19 0.06  
SINCE OCT 1 14.89 15.97 -1.08 14.96  
SINCE JAN 1 13.52 13.52 0.00 12.50  
 
DEGREE DAYS  
HEATING  
TODAY 7 6 1 0  
MONTH TO DATE 7 24 -17 0  
SINCE SEP 1 7 24 -17 0  
SINCE JUL 1 81 170 -89 105  
 
COOLING  
TODAY 0 1 -1 2  
MONTH TO DATE 9 5 4 19  
SINCE SEP 1 9 5 4 19  
SINCE JAN 1 161 215 -54 271    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 10.1  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74  
LOWEST 30  
AVERAGE 52  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 97 2020  
MINIMUM TEMPERATURE (F) 45 28 1956  
 
SUNRISE AND SUNSET  
SEPTEMBER 4 2025.....SUNRISE 642 AM MDT SUNSET 751 PM MDT  
SEPTEMBER 5 2025.....SUNRISE 643 AM MDT SUNSET 749 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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