650  
CDUS45 KTFX 210831  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
131 AM MST FRI NOV 21 2025  
   
...............................  
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR NOVEMBER 20 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 55 333 PM 65 1987 42 13 35  
MINIMUM 22 624 AM -25 1900 20 2 8  
AVERAGE 39 31 8 22  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.50 1897 0.02 -0.02 0.00  
MONTH TO DATE 0.04 0.49 -0.45 0.53  
SINCE OCT 1 1.29 1.76 -0.47 0.84  
SINCE JAN 1 15.76 16.48 -0.72 19.35  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 26 34 -8 43  
MONTH TO DATE 415 623 -208 589  
SINCE SEP 1 1189 1582 -393 1196  
SINCE JUL 1 1263 1728 -465 1301  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 11 19 -8 46  
SINCE JAN 1 163 229 -66 298    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 5.3  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 600 AM  
LOWEST 40 300 PM  
AVERAGE 68  
   
......................................................  
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 41 72 1939  
MINIMUM TEMPERATURE (F) 19 -20 1946  
 
SUNRISE AND SUNSET  
NOVEMBER 21 2025......SUNRISE 730 AM MST SUNSET 437 PM MST  
NOVEMBER 22 2025......SUNRISE 732 AM MST SUNSET 436 PM MST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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