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WPC Probabilistic Winter Precipitation Guidance
 
24-Hour Forecasts 48-Hour Forecasts 72-Hour Forecast
 Snowfall 
Probability Forecasts 		 Freezing Rain 
Probability Forecasts 		   Snowfall 
Probability Forecasts 		 Freezing Rain 
Probability Forecasts 		   Snowfall 
Probability Forecast 		 Freezing Rain 
Probability Forecast
Snowfall Accumulation
by Percentile 		Freezing Rain
Accumulation by Percentile 		  Snowfall Accumulation
by Percentile 		Freezing Rain
Accumulation by Percentile 		  Snowfall Accumulation
by Percentile 		Freezing Rain
Accumulation by Percentile
24-Hour Probability of Snow Accumulating ≥ 1"
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending: 		12Z Wed
Nov 26 		18Z Wed
Nov 26 		00Z Thu
Nov 27 		06Z Thu
Nov 27 		12Z Thu
Nov 27 		18Z Thu
Nov 27 		00Z Fri
Nov 28 		06Z Fri
Nov 28 		12Z Fri
Nov 28
24-Hour Probability of Snow Accumulating ≥ 2"
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending: 		12Z Wed
Nov 26 		18Z Wed
Nov 26 		00Z Thu
Nov 27 		06Z Thu
Nov 27 		12Z Thu
Nov 27 		18Z Thu
Nov 27 		00Z Fri
Nov 28 		06Z Fri
Nov 28 		12Z Fri
Nov 28
24-Hour Probability of Snow Accumulating ≥ 4"
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending: 		12Z Wed
Nov 26 		18Z Wed
Nov 26 		00Z Thu
Nov 27 		06Z Thu
Nov 27 		12Z Thu
Nov 27 		18Z Thu
Nov 27 		00Z Fri
Nov 28 		06Z Fri
Nov 28 		12Z Fri
Nov 28
24-Hour Probability of Snow Accumulating ≥ 6"
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending: 		12Z Wed
Nov 26 		18Z Wed
Nov 26 		00Z Thu
Nov 27 		06Z Thu
Nov 27 		12Z Thu
Nov 27 		18Z Thu
Nov 27 		00Z Fri
Nov 28 		06Z Fri
Nov 28 		12Z Fri
Nov 28
24-Hour Probability of Snow Accumulating ≥ 8"
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending: 		12Z Wed
Nov 26 		18Z Wed
Nov 26 		00Z Thu
Nov 27 		06Z Thu
Nov 27 		12Z Thu
Nov 27 		18Z Thu
Nov 27 		00Z Fri
Nov 28 		06Z Fri
Nov 28 		12Z Fri
Nov 28
24-Hour Probability of Snow Accumulating ≥ 12"
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending: 		12Z Wed
Nov 26 		18Z Wed
Nov 26 		00Z Thu
Nov 27 		06Z Thu
Nov 27 		12Z Thu
Nov 27 		18Z Thu
Nov 27 		00Z Fri
Nov 28 		06Z Fri
Nov 28 		12Z Fri
Nov 28
24-Hour Probability of Snow Accumulating ≥ 18"
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending: 		12Z Wed
Nov 26 		18Z Wed
Nov 26 		00Z Thu
Nov 27 		06Z Thu
Nov 27 		12Z Thu
Nov 27 		18Z Thu
Nov 27 		00Z Fri
Nov 28 		06Z Fri
Nov 28 		12Z Fri
Nov 28
Viewing Options
Choose an accumulation for the specified time:







OR
Choose a -hour period for the specified amount:
12Z Nov 26
18Z Nov 26
00Z Nov 27
06Z Nov 27
12Z Nov 27
18Z Nov 27
00Z Nov 28
06Z Nov 28
12Z Nov 28
 
Opacity (%): 0 20 40 60 80 100
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