CDUS45 KTFX 182240
CLILWT

CLIMATE REPORT 
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT MON MAY 18 2026

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

...THE LEWISTOWN MT CLIMATE SUMMARY FOR MAY 18 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)                                                          
 TODAY                                                               
  MAXIMUM         MM        MM  86    1937  64     MM       52        
  MINIMUM         MM        MM  23    1929  38     MM       42        
  AVERAGE         MM                        51     MM       47       

PRECIPITATION (IN)                                                    
  TODAY            0.00          1.82 1959   0.10  -0.10     0.20     
  MONTH TO DATE    0.45                      1.41  -0.96     2.54     
  SINCE OCT 1      8.01                      7.51   0.50     6.71     
  SINCE JAN 1      5.42                      5.06   0.36     5.34     

DEGREE DAYS                                                           
 HEATING                                                              
  TODAY           MM                        14     MM       18        
  MONTH TO DATE  217                       308    -91      249        
  SINCE MAR 1   1765                      2028   -263     1814        
  SINCE JUL 1   6452                      7794  -1342     7376        

 COOLING                                                              
  TODAY           MM                         0     MM        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    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 TODAY.                             
  NO SIGNIFICANT WEATHER WAS OBSERVED.                                  


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    MM                                                        
 LOWEST     MM                                                        
 AVERAGE    MM                                                        

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


THE LEWISTOWN MT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   64        87      1954                      
 MINIMUM TEMPERATURE (F)   39        25      1997                      


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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