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Winter Weather Forecasts

 
View the official NWS 6-hour snow accumulation forecasts
 

Snowfall Probability Forecasts
Probability of snowfall greater than or equal to 4 inches Day 1 Probability of snowfall greater than or equal to 8 inches Day 1 Probability of snowfall greater than or equal to 12 inches Day 1
Probability of snowfall greater than or equal to 4 inches Day 2 Probability of snowfall greater than or equal to 8 inches Day 2 Probability of snowfall greater than or equal to 12 inches Day 2
Probability of snowfall greater than or equal to 4 inches Day 3 Probability of snowfall greater than or equal to 8 inches Day 3 Probability of snowfall greater than or equal to 12 inches Day 3


Specific (deterministic) snow accumulations for locations in the United States can be obtained from the National Weather Service's National Digital Forecast Database .

NCEP monitoring of ongoing or imminent (up to six hours in the future) Hazardous Winter Weather can be found at SPC Mesoscale Discussion Link

Freezing Rain Probability Forecasts

Day 1 probability of freezing rain greater than or equal to .25 inch. Day 1 Day 2 probability of freezing rain greater than or equal to .25 inch. Day 2 Day 3 probability of freezing rain greater than or equal to .25 inch. Day 3


Composite Charts

Day 1 probability of snow greater than or equal to 4, 8, and 12 inches and freezing rain greater than or equal to .25 inch Day 1 Day 2 probability of snow greater than or equal to 4, 8, and 12 inches and freezing rain greater than or equal to .25 inch Day 2 Day 3 probability of snow greater than or equal to 4, 8, and 12 inches and freezing rain greater than or equal to .25 inch Day 3


Day 1-3 Surface Low Tracks

Latest HPC surface analysis, NWS Winter Weather Watches/Warnings/Advisories, and radar loop Current Surface Low Positions Day 1-3 forecast of surface low tracks associated with significant winter weather Forecast Surface Low Positions
(with uncertainty circles)
 		Day 1-3 forecast of surface low tracks associated with significant winter weather Forecast Surface Low Positions
(with ensemble clusters)

Heavy Snow/Icing Discussion

Winter Weather Product Information

Winter Weather Links

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Page last modified: Friday, 30-Oct-2009 17:26:04 GMT