National Weather Service United States Department of Commerce

Snow Across the Great Lakes, Central Appalachians, and Northeast; Unsettled Weather in the West

Light to moderate snow will continue into Saturday over the Great Lakes, Central Appalachians, and Northeast. This weekend into next week, a series of atmospheric rivers will bring gusty winds, periods of heavy rain, and mountain snow to northern California and the Pacific Northwest. Colder temperatures are in store for the weekend from the Great Lakes to East Coast. Read More >

TAM MCARTHUR RIM
 
 DATE                    SUNDAY 12/22/24                         MONDAY 12/23/24                    
 TIME (LT)          04   07   10   13   16   19   22   01   04   07   10   13   16   19   22   01   04
                    4A   7A   10A  1P   4P   7P   10P  1A   4A   7A   10A  1P   4P   7P   10P  1A   4A   
 
 CLOUD COVER        OV   OV   OV   OV   OV   OV   OV   OV   SC   SC   BK   BK   OV   OV   OV   OV   OV
 CLOUD COVER (%)    90   80   75   80   85   85   85   75   50   35   65   60   90   95   85   90   85
 TEMPERATURE        26   27   31   33   34   33   32   30   26   25   30   32   31   32   34   32   30
 MAX/MIN TEMP                           34                  24                  33                  27
 WIND DIR           SW   SW   SW   SW   SW   SW    W   SW   SW   SW    S    S    S    S    S    S   SW
 WIND (MPH)         14   18   19   21   23   21   20   21   16   13   16   20   21   31   33   29   19
 WIND GUST (MPH)              39   42   41   41   42   42                  39   42   55   50   51     
 PRECIP PROB (%)    20   20   60   90   90   90   80   60   10   10   10   10   80   80  100  100   90
 PRECIP TYPE         S    S    S    S    S    S    S    S                        S    S    S    S    S
 6 HOUR QPF                 0.03      0.37      0.60      0.21      0.00      0.00      0.49      0.52
 6 HOUR SNOW                 0.3       1.5       3.4       2.0       0.0       0.0       1.5       2.2
 12 HOUR SNOW                          1.8                 5.4                 0.0                 3.7
 6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
 SNOW LEVEL (KFT)  4.8  5.0  6.0  6.9  6.9  6.5  5.8  5.1  4.4  3.8  4.2  5.0  6.1  7.1  7.4  6.6  5.5
 
 

--- PRECIP TYPE CODES --- 
CODE   TYPE
 T     THUNDERSTORMS
 R     RAIN
 S     SNOW
 I     SLEET
 Z     FREEZING RAIN