CDUS45 KTFX 181426
CLILWT

CLIMATE REPORT 
NATIONAL WEATHER SERVICE GREAT FALLS MT
826 AM MDT MON MAY 18 2026

...................................

...THE LEWISTOWN MT CLIMATE SUMMARY FOR MAY 17 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         43    218 PM  87    1948  63    -20       63       
  MINIMUM         32   1151 PM  27    1930  38     -6       37       
  AVERAGE         38                        50    -12       50     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.15          1.54 1944   0.10   0.05     0.27     
  MONTH TO DATE    0.45                      1.31  -0.86     2.34     
  SINCE OCT 1      8.01                      7.41   0.60     6.51     
  SINCE JAN 1      5.42                      4.96   0.46     5.14     

SNOWFALL (IN)                                                              
  YESTERDAY       MM                                                  
  SNOW DEPTH      MM                                                  

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       27                        14     13       15        
  MONTH TO DATE  217                       294    -77      231        
  SINCE MAR 1   1765                      2014   -249     1796        
  SINCE JUL 1   6452                      7780  -1328     7358        

 COOLING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    0                         0      0        2        
  SINCE MAR 1      0                         0      0        2        
  SINCE JAN 1      0                         0      0        2        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    NW (300)       
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION    NW (320)       
  AVERAGE WIND SPEED    12.1                                        


SKY COVER                                                             
  AVERAGE SKY COVER  MM                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  LIGHT RAIN                                                          
  LIGHT SNOW                                                          


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    MM                                                        
 LOWEST     MM                                                        
 AVERAGE    MM                                                        

..........................................................


THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   64        86      1937                      
 MINIMUM TEMPERATURE (F)   38        23      1929                      


SUNRISE AND SUNSET                                                    
MAY 18 2026...........SUNRISE   539 AM MDT   SUNSET   851 PM MDT     
MAY 19 2026...........SUNRISE   538 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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