596  
CDUS45 KTFX 040737  
CLILWT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
137 AM MDT MON MAY 04 2026  
   
...............................  
 
   
..THE LEWISTOWN MT CLIMATE SUMMARY FOR MAY 3 2026  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1896 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM MM MM 82 1918 58 MM 79  
MINIMUM MM MM 16 1954 33 MM 37  
AVERAGE MM 46 MM 58  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.61 1964 0.06 -0.06 0.00  
MONTH TO DATE 0.00 0.19 -0.19 0.00  
SINCE OCT 1 7.40 6.29 1.11 4.17  
SINCE JAN 1 4.81 3.84 0.97 2.80  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY MM 19 MM 7  
MONTH TO DATE MM 59 MM 36  
SINCE MAR 1 1336 1779 -443 1601  
SINCE JUL 1 6023 7545 -1522 7163  
 
COOLING  
YESTERDAY MM 0 MM 0  
MONTH TO DATE MM 0 MM 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED MM HIGHEST WIND DIRECTION MM  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED MM  
 
SKY COVER  
AVERAGE SKY COVER MM  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST MM  
AVERAGE MM  
   
......................................................  
 
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 84 1936  
MINIMUM TEMPERATURE (F) 33 16 1967  
 
SUNRISE AND SUNSET  
MAY 4 2026...........SUNRISE 557 AM MDT SUNSET 833 PM MDT  
MAY 5 2026...........SUNRISE 556 AM MDT SUNSET 834 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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