655  
CDUS45 KTFX 082240  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
440 PM MDT FRI AUG 08 2025  
   
...............................  
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR AUGUST 8 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 66 230 PM 96 1991 83 -17 69  
MINIMUM 48 608 AM 33 1896 52 -4 49  
AVERAGE 57 68 -11 59  
 
PRECIPITATION (IN)  
TODAY 0.01 2.99 2002 0.05 -0.04 0.00  
MONTH TO DATE 1.19 0.40 0.79 0.16  
SINCE OCT 1 13.70 14.49 -0.79 13.95  
SINCE JAN 1 12.33 12.04 0.29 11.49  
 
DEGREE DAYS  
HEATING  
TODAY 8 1 7 6  
MONTH TO DATE 10 8 2 14  
SINCE JUN 1 255 299 -44 305  
SINCE JUL 1 61 73 -12 62  
 
COOLING  
TODAY 0 4 -4 0  
MONTH TO DATE 13 32 -19 44  
SINCE JUN 1 92 150 -58 201  
SINCE JAN 1 95 151 -56 201    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 9.4  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93  
LOWEST 45  
AVERAGE 69  
   
......................................................  
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 100 1940  
MINIMUM TEMPERATURE (F) 51 31 1902  
 
SUNRISE AND SUNSET  
AUGUST 8 2025........SUNRISE 606 AM MDT SUNSET 840 PM MDT  
AUGUST 9 2025........SUNRISE 608 AM MDT SUNSET 838 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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