The following charts depict the probability of snowfall reaching or exceeding the specified amount.

All viewing options are available through the links below.

Final Forecasts

Day 1 Day 2 Day 3 ≥ 4 inches



≥ 4 inches



≥ 4 inches



≥ 8 inches



≥ 8 inches



≥ 8 inches



≥ 12 inches



≥ 12 inches



≥ 12 inches





Day 4-7 Outlook



Day 4



Day 5



Day 6



Day 7



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

The following charts depict the probability of freezing rain reaching or exceeding the specified amount.

Preliminary Forecasts



Final Forecasts

The charts below depict the probability of freezing rain reaching or exceeding 0.25 inch for Days 1-3. ≥ 0.25 inch



Day 1 ≥ 0.25 inch



Day 2 ≥ 0.25 inch



Day 3 The charts below depict the probability of freezing rain reaching or exceedingfor Days 1-3.

Composite Charts

The following charts depict in a 4-panel format the final forecast of the probabilities of snow reaching or exceeding 4, 8, and 12 inches and the probability of freezing rain reaching or exceeding 0.25 inch.



Day 1

Day 2

Day 3

Day 1-3 Surface Low Tracks

The low track charts depict WPC's Day 1-3 forecast of surface low tracks associated with significant winter weather.



Current Surface Low Positions

Forecast Surface Low Positions (with uncertainty circles)

Forecast Surface Low Positions (with ensemble clusters)