117  
CDUS45 KTFX 112240  
CLIGTF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
440 PM MDT MON MAY 11 2026  
   
...............................  
 
   
..THE GREAT FALLS MT CLIMATE SUMMARY FOR MAY 11 2026  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1886 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 75 250 PM 88 1960 63 12 75  
MINIMUM 45 525 AM 23 1983 37 8 47  
AVERAGE 60 50 10 61  
 
PRECIPITATION (IN)  
TODAY 0.00 1.40 2018 0.07 -0.07 0.07  
MONTH TO DATE 0.31 0.63 -0.32 1.38  
SINCE OCT 1 6.03 6.46 -0.43 6.14  
SINCE JAN 1 4.19 4.18 0.01 5.06  
 
DEGREE DAYS  
HEATING  
TODAY 5 15 -10 4  
MONTH TO DATE 126 184 -58 103  
SINCE MAR 1 1562 1820 -258 1503  
SINCE JUL 1 5805 7290 -1485 6802  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 2  
SINCE MAR 1 1 0 1 2  
SINCE JAN 1 1 0 1 2    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 10.9  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 63 500 AM  
LOWEST 17 300 PM  
AVERAGE 40  
   
......................................................  
 
THE GREAT FALLS MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 90 2001  
MINIMUM TEMPERATURE (F) 37 22 1943  
 
SUNRISE AND SUNSET  
MAY 11 2026...........SUNRISE 554 AM MDT SUNSET 851 PM MDT  
MAY 12 2026...........SUNRISE 552 AM MDT SUNSET 852 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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