Skip Navigation Links weather.gov 
NOAA logo - Click to go to the NOAA homepage National Weather Service   NWS logo - Click to go to the NWS homepage
The Weather Prediction Center

 
 

 

Follow the Weather Prediction Center on Facebook Follow the Weather Prediction Center on Twitter
NCEP Quarterly Newsletter
WPC Home
Analyses and Forecasts
   National High & Low
   WPC Discussions
   Surface Analysis
   Days ½-2½ CONUS
   Days 3-7 CONUS
   Days 4-8 Alaska
   QPF
   PQPF
   Flood Outlook
   Winter Weather
   Storm Summaries
   Heat Index
   Tropical Products
   Daily Weather Map
   GIS Products
Current Watches/
Warnings

Satellite and Radar Imagery
   Satellite Images
   National Radar
Product Archive
WPC Verification
   QPF
   Medium Range
   Model Diagnostics
   Event Reviews
   Winter Weather
International Desks
Development and Training
   Development
WPC Overview
   About the WPC
   Staff
   WPC History
   Accomplishments
   Other Sites
   FAQs
Meteorological Calculators
Contact Us
   About Our Site
 
USA.gov is the U.S. Government's official web portal to all federal, state, and local government web resources and services.
 
WPC Probabilistic Winter Precipitation Guidance
 
Product Selection
Precipitation Type Forecast Product Forecast Duration





User Interface

24-Hour Probability of Snow Accumulating ≥ 1"
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending:
12 UTC
Thu Jan 19
18 UTC
Thu Jan 19
00 UTC
Fri Jan 20
06 UTC
Fri Jan 20
12 UTC
Fri Jan 20
18 UTC
Fri Jan 20
00 UTC
Sat Jan 21
06 UTC
Sat Jan 21
12 UTC
Sat Jan 21
24-Hour Probability of Snow Accumulating ≥ 2"
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending:
12 UTC
Thu Jan 19
18 UTC
Thu Jan 19
00 UTC
Fri Jan 20
06 UTC
Fri Jan 20
12 UTC
Fri Jan 20
18 UTC
Fri Jan 20
00 UTC
Sat Jan 21
06 UTC
Sat Jan 21
12 UTC
Sat Jan 21
24-Hour Probability of Snow Accumulating ≥ 4"
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending:
12 UTC
Thu Jan 19
18 UTC
Thu Jan 19
00 UTC
Fri Jan 20
06 UTC
Fri Jan 20
12 UTC
Fri Jan 20
18 UTC
Fri Jan 20
00 UTC
Sat Jan 21
06 UTC
Sat Jan 21
12 UTC
Sat Jan 21
24-Hour Probability of Snow Accumulating ≥ 6"
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending:
12 UTC
Thu Jan 19
18 UTC
Thu Jan 19
00 UTC
Fri Jan 20
06 UTC
Fri Jan 20
12 UTC
Fri Jan 20
18 UTC
Fri Jan 20
00 UTC
Sat Jan 21
06 UTC
Sat Jan 21
12 UTC
Sat Jan 21
24-Hour Probability of Snow Accumulating ≥ 8"
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending:
12 UTC
Thu Jan 19
18 UTC
Thu Jan 19
00 UTC
Fri Jan 20
06 UTC
Fri Jan 20
12 UTC
Fri Jan 20
18 UTC
Fri Jan 20
00 UTC
Sat Jan 21
06 UTC
Sat Jan 21
12 UTC
Sat Jan 21
24-Hour Probability of Snow Accumulating ≥ 12"
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending:
12 UTC
Thu Jan 19
18 UTC
Thu Jan 19
00 UTC
Fri Jan 20
06 UTC
Fri Jan 20
12 UTC
Fri Jan 20
18 UTC
Fri Jan 20
00 UTC
Sat Jan 21
06 UTC
Sat Jan 21
12 UTC
Sat Jan 21
24-Hour Probability of Snow Accumulating ≥ 18"
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending:
12 UTC
Thu Jan 19
18 UTC
Thu Jan 19
00 UTC
Fri Jan 20
06 UTC
Fri Jan 20
12 UTC
Fri Jan 20
18 UTC
Fri Jan 20
00 UTC
Sat Jan 21
06 UTC
Sat Jan 21
12 UTC
Sat Jan 21
Viewing Options
Choose an accumulation for the specified time:







OR
Choose a 24-hour period for the specified amount:
12Z Jan 19
18Z Jan 19
00Z Jan 20
06Z Jan 20
12Z Jan 20
18Z Jan 20
00Z Jan 21
06Z Jan 21
12Z Jan 21
Map Overlays
 
Opacity (%): 0 20 40 60 80 100
 
 
(Note: The GRIB2 download page contains 4 directories corresponding to the accumulation period of the forecast)
 
Download latest KML files
 
**Information about the KML files available for download (Click to show/hide)**
 
WPC Winter Weather Products Home Page

NOAA/ National Weather Service
National Centers for Environmental Prediction
Weather Prediction Center
5830 University Research Court
College Park, Maryland 20740
Weather Prediction Center Web Team
Disclaimer
Credits
Glossary
Privacy Policy
About Us
Career Opportunities
Page last modified: