345  
CDUS45 KTFX 042240  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
440 PM MDT MON AUG 04 2025  
   
...............................
 
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR AUGUST 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 83 234 PM 98 1961 84 -1 86  
MINIMUM 56 415 AM 38 1937 52 4 60  
AVERAGE 70 68 2 73  
 
PRECIPITATION (IN)  
TODAY 0.00 0.49 2002 0.05 -0.05 0.02  
MONTH TO DATE 0.40 0.20 0.20 0.02  
SINCE OCT 1 12.91 14.29 -1.38 13.81  
SINCE JAN 1 11.54 11.84 -0.30 11.35  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 0 4 -4 0  
SINCE JUN 1 245 295 -50 291  
SINCE JUL 1 51 69 -18 48  
 
COOLING  
TODAY 5 4 1 8  
MONTH TO DATE 10 16 -6 38  
SINCE JUN 1 89 134 -45 195  
SINCE JAN 1 92 135 -43 195    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 8.3  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80  
LOWEST 38  
AVERAGE 59  
   
......................................................
 
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 103 1961  
MINIMUM TEMPERATURE (F) 52 35 1940  
 
SUNRISE AND SUNSET  
AUGUST 4 2025........SUNRISE 601 AM MDT SUNSET 846 PM MDT  
AUGUST 5 2025........SUNRISE 603 AM MDT SUNSET 844 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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