National Weather Service United States Department of Commerce

Storm Impacting the Northwest U.S.; Fire Weather Conditions in Southern California; Severe Weather in the South

A Pacific storm is bringing areas of low elevation rain, moderate to heavy mountain snow, and high winds to the Northwest. Strong Santa Ana winds and very dry conditions are producing elevated to critical fire weather conditions in southern California. Isolated strong to severe thunderstorms are possible through early Wednesday morning across parts of northeast Texas into western Tennessee. Read More >

Check Out Our Probabilistic Snowfall Experiment Page

Please Note: This Snowfall Forecast graphic reflects the total snow accumulation expected within the next 60-72 hours. 
This graphic may often indicate ADDITIONAL snowfall expected, and will not always reflect the total snowfall for an entire event.
The times at the top of the graphic specify the time period during which this forecast graphic is valid.

Key for Total Snowfall Map:
White = zero. Zero: White
Pale gray blue = less than 1 inch. <1": Pale Gray Blue
Light Blue = 1 to 2 inches. 1"-2": Light Blue
Medium Blue = 2 to 3 inches. 2"-3": Medium Blue
Blue = 3 to 4 inches. 3"-4": Blue
Dark Blue = 4 to 6 inches. 4"-6": Dark Blue
Pale Yellow = 6 to 8 inches. 6"-8": Pale Yellow
Light Orange = 8 to 12 inches. 8"-12": Light Orange
Orange = 12 to 18 inches. 12"-18": Orange
Red = 18 to 24 inches. 18"-24": Red
Dark Red = greater than 24 inches. >24": Dark Red
 

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